WO2020218609A1 - 耐熱性と長波長吸収に優れた紫外線吸収剤 - Google Patents
耐熱性と長波長吸収に優れた紫外線吸収剤 Download PDFInfo
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- WO2020218609A1 WO2020218609A1 PCT/JP2020/017965 JP2020017965W WO2020218609A1 WO 2020218609 A1 WO2020218609 A1 WO 2020218609A1 JP 2020017965 W JP2020017965 W JP 2020017965W WO 2020218609 A1 WO2020218609 A1 WO 2020218609A1
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- DODCFPCPDCLGSS-UHFFFAOYSA-N CC(C)(C)c(cc(C)cc1-[n]2nc(cc(cc3)Nc(cccc4C(c5c6cccc5)=O)c4C6=O)c3n2)c1O Chemical compound CC(C)(C)c(cc(C)cc1-[n]2nc(cc(cc3)Nc(cccc4C(c5c6cccc5)=O)c4C6=O)c3n2)c1O DODCFPCPDCLGSS-UHFFFAOYSA-N 0.000 description 1
- VTUZNEBRNWTXCS-UHFFFAOYSA-N CC(C)(C)c(cc(C)cc1-[n]2nc(cc(cc3)Nc4cccc5c4cccc5)c3n2)c1O Chemical compound CC(C)(C)c(cc(C)cc1-[n]2nc(cc(cc3)Nc4cccc5c4cccc5)c3n2)c1O VTUZNEBRNWTXCS-UHFFFAOYSA-N 0.000 description 1
- XYRJPDBMLNWNAS-UHFFFAOYSA-N CC(C)(C)c(cc1-[n]2nc(cc(cc3)-c4ccccc4)c3n2)cc(C(C)(C)C)c1O Chemical compound CC(C)(C)c(cc1-[n]2nc(cc(cc3)-c4ccccc4)c3n2)cc(C(C)(C)C)c1O XYRJPDBMLNWNAS-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
- C07D249/18—Benzotriazoles
- C07D249/20—Benzotriazoles with aryl radicals directly attached in position 2
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
Definitions
- the present invention relates to an ultraviolet absorber composed of a benzotriazole compound.
- the resin member deteriorates due to the action of ultraviolet rays, causing quality deterioration such as discoloration and deterioration of mechanical strength, which hinders long-term use.
- quality deterioration such as discoloration and deterioration of mechanical strength, which hinders long-term use.
- an ultraviolet absorber it is common practice to add an ultraviolet absorber to the resin member.
- UV absorbers such as benzotriazole type, benzophenone type, triazine type, cyanoacrylate type and salicylate type are known.
- the present inventors particularly use a sulfur-containing group as an ultraviolet absorber that efficiently and sufficiently absorbs harmful light from 380 to 400 nm and suppresses absorption of wavelength light having a wavelength of 400 nm or more, which causes initial yellowing.
- a 2-phenylbenzotriazole derivative having the above was proposed (Patent Documents 1 and 2).
- the present invention has been made in view of the above circumstances, and is particularly excellent in heat resistance, odor suppression during thermal decomposition and long wavelength absorption, and has a high molar extinction coefficient as compared with conventional ultraviolet absorbers.
- the challenge is to provide an absorbent.
- the ultraviolet absorber of the present invention comprises a 2-phenylbenzotriazole derivative having a linking group represented by the following formula (I) or (II):
- X represents a residue obtained by removing a hydrogen atom from a nitrogen atom, an oxygen atom or an amide group
- l represents an integer of 0 or 1
- Y 1 represents an aromatic carbide which may have a substituent.
- m is 1 when X is a residue obtained by removing a hydrogen atom from a nitrogen atom or an amide group
- 0 is when an oxygen atom is used
- Y 2 may have a hydrogen atom or a substituent.
- the ultraviolet absorber of the present invention has heat resistance, odor suppression during thermal decomposition, and long wavelength absorption by introducing a functional group having a linking group represented by the formula (I) or (II) into the benzotriazole skeleton. Excellent and high molar extinction coefficient.
- the substituent includes a hydrocarbon group, an unsaturated group, a nitrogen-containing group, a sulfur-containing group, an oxygen-containing group, a phosphorus-containing group, and a monovalent or divalent group selected from halogen atoms.
- a group capable of adjusting heat resistance, absorption characteristics, refractive index, melting point, light resistance, compatibility with resin, etc. is included, and examples thereof include the following.
- hydrocarbon group examples include an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, and an aromatic hydrocarbon group.
- the aliphatic hydrocarbon group is monovalent or 2 selected from an alicyclic hydrocarbon group, an aromatic hydrocarbon group, an unsaturated group, a nitrogen-containing group, a sulfur-containing group, an oxygen-containing group, a phosphorus-containing group, and a halogen atom.
- the hydrogen atom may be substituted, at least one of both ends may be interrupted, or the carbon-carbon bond may be interrupted.
- the aliphatic hydrocarbon group is not particularly limited, but specifically, for example, a methyl group, an ethane-1-yl group, a propane-1-yl group, a 1-methylethane-1-yl group, and a butane-1-yl group.
- the alicyclic hydrocarbon group is monovalent or 2 selected from an aliphatic hydrocarbon group, an aromatic hydrocarbon group, an unsaturated group, a nitrogen-containing group, a sulfur-containing group, an oxygen-containing group, a phosphorus-containing group, and a halogen atom.
- the hydrogen atom may be substituted, at least one of both ends may be interrupted, or the carbon-carbon bond may be interrupted, with preferably 3-10 carbon atoms, more preferably 3 carbon atoms. ⁇ 8.
- the alicyclic hydrocarbon group is not particularly limited, and examples thereof include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, and a group containing these as a skeleton.
- the aromatic hydrocarbon group is monovalent or 2 selected from an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an unsaturated group, a nitrogen-containing group, a sulfur-containing group, an oxygen-containing group, a phosphorus-containing group, and a halogen atom.
- the hydrogen atom may be substituted, at least one of both ends may be interrupted, or the carbon-carbon bond may be interrupted, and an aromatic ring such as a benzene ring, a naphthalene ring, or an anthracene ring may be interrupted. It contains, and the number of carbon atoms is preferably 6 to 18, and more preferably 6 to 14.
- the monovalent aromatic hydrocarbon group is not particularly limited, and is, for example, a phenyl group, a 2-methylphenyl group, a 3-methylphenyl group, a 4-methylphenyl group, a 2,4-dimethylphenyl group, 2,5.
- the divalent aromatic hydrocarbon group is not particularly limited, but for example, 1,4-phenylene group, 1,3-phenylene group, 1,2-phenylene group, 1,8-naphthylene group, 2,7- Naftyrene group, 2,6-naphthylene group, 1,4-naphthylene group, 1,3-naphthylene group, 9,10-anthracenylene group, 1,8-anthracenylene group, 2,7-anthracenylene group, 2,6-anthracenylene Examples include a group, a 1,4-anthrasenylene group, a 1,3-anthrasenylene group and the like.
- Unsaturated groups include carbon-carbon double bonds, carbon-carbon triple bonds, and carbon-oxygen double bonds (for example, but not limited to, carbonyl group, aldehyde group, ester group, carboxy group, carbamate group, urea group, etc. Amid group, imide group, carbamoyl group, urethane group, etc.), carbon-nitrogen double bond (not particularly limited, for example, isocyanate group, etc.), carbon-nitrogen triple bond (not particularly limited, for example, cyano group, cyanate, etc.) It contains unsaturated bonds of carbon-carbon or carbon-heteroatom such as (group, etc.), and has a carbon number of preferably 1 to 10, more preferably 1 to 8.
- the unsaturated group is not particularly limited, but for example, an acryloyl group, a metachloryl group, a maleic acid monoester group, a styryl group, an allyl group, a vinyl group, an alkenyl group, an alkynyl group, a carbonyl group, an aldehyde group, an ester group and a carboxy group.
- Examples thereof include a group, a carbamate group, a urea group, an amide group, an imide group, a carbamoyl group, a cyano group, a cyanate group, an isocyanate group and a urethane group.
- Nitrogen-containing groups include cyano group, cyanate group, isocyanate group, nitro group, nitroalkyl group, amide group, urea group, urethane group, imide group, carbodiimide group, azo group, pyridine group, imidazole group, amino group, primary group.
- Sulfur-containing groups include thiophene group, thiazole group, thiol group, thioether group, thioalkoxy group, sulfo group, sulfide group, disulfide group, thioester group, thioamide group, sulfonyl group, sulfo group, thiocarbonyl group, thiourea group, It contains a thiocarbamate group, a dithiocarbamate group and the like, and has preferably 0 to 10 carbon atoms.
- the oxygen-containing group preferably has 6 to 12 carbon atoms when it contains an aromatic hydrocarbon group or an alicyclic hydrocarbon group, and carbon when it does not contain an aromatic hydrocarbon group or an alicyclic hydrocarbon group.
- the number is preferably 0-18.
- the oxygen-containing group is not particularly limited, but for example, a hydroxy group, an alkoxy group, an acetyl group, an aldehyde group, a carboxy group, an ether group, a carbonyl group, an ester group, an oxazole group, an amide group, a nitro group, a morpholin group, and a carbamate. Examples thereof include a group, a carbamoyl group, a polyoxyethylene group and an oxo group.
- the phosphorus-containing group contains a phosphine group, a phosphite group, a phosphonic acid group, a phosphinic acid group, a phosphoric acid group, or a phosphoric acid ester group, and carbon when it contains an aromatic hydrocarbon group or an alicyclic hydrocarbon group.
- the number is preferably 6 to 22, and the number of carbon atoms is preferably 0 to 6 when no aromatic hydrocarbon group or alicyclic hydrocarbon group is contained.
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- the 2-phenylbenzotriazole derivative is represented by, for example, the following formula (A).
- R 1 to R 9 are independently each of a bonding group represented by the above formula (I) or (II), a hydrogen atom, a hydrocarbon group, an unsaturated group, a nitrogen-containing group, and a sulfur-containing group.
- At least one of R 1 to R 9 is a binding group represented by the above formula (I) or (II).
- the substitution position of the binding group represented by the above formula (I) or (II) is not particularly limited and may be any of R 1 to R 9 , but R 6 to R 9 Is preferable, and R 7 and R 8 are more preferable.
- the number of substitutions of the binding group represented by the above formula (I) or (II) is also not particularly limited, but is, for example, 1 to 2, preferably 1.
- substituents examples include monovalent or divalent groups described in the above [Substituents and the like] column.
- substituents When the substituent is a divalent group, any two of R 1 to R 9 (preferably two adjacent ones) may be combined to form a ring.
- substituents are monovalent or divalent groups selected from unsaturated groups, nitrogen-containing groups, sulfur-containing groups, oxygen-containing groups, phosphorus-containing groups and halogen atoms as exemplified above, and have hydrogen atoms. It may be replaced, at least one of the ends may be interrupted, or the carbon-carbon bond may be interrupted.
- R 7 or R 8 has a binding group represented by the above formula (I) or (II)
- the above formula (I) or (II) among R 6 to R 9 It is preferable that all the portions other than the represented bonding group are hydrogen atoms.
- a preferable example of the combination of R 1 , R 2 , R 3 , R 4 , and R 5 is as follows. [1] A hydrocarbon group having 1 to 18 carbon atoms (including a hydrocarbon group having 2 to 18 carbon atoms including an alkenyl group and an alkynyl group), a hydroxy group, an aromatic hydrocarbon group having 6 to 18 carbon atoms, and carbon.
- An ether group having a number of 1 to 18, an alkoxy group having a carbon number of 1 to 18, an ester group having a carbon number of 1 to 18, a (meth) acryloyloxy group, or a substituent thereof may be bonded to a group having 1 to 18 carbon atoms. It is selected from 20 polyoxyethylene groups, or hydrocarbon groups having 1 to 18 carbon atoms in which the hydrogen atom may be substituted with those substituents, the base end may be interrupted, or the carbon-carbon bond may be interrupted. In the case of two or more substituents, each contains one or more independently. [2] In [1], the substituent is at least one selected from a hydrocarbon group having 1 to 10 carbon atoms and a hydroxy group.
- the substituent is at least one selected from a hydrocarbon group having 1 to 6 carbon atoms and a hydroxy group.
- the hydrocarbon group of the substituent is a linear or branched alkyl group.
- the substituent is at least one selected from a methyl group, a t-butyl group and a hydroxy group.
- the substituent is at least one selected from a methyl group, a t-butyl group and a hydroxy group, and the number of hydroxy groups is one or less.
- it has at least one methyl group as a substituent.
- the number of substituents is 1 to 4, preferably 2 to 4.
- the substituent is at any position of R 1 to R 4 , and the other R 1 to R 5 are hydrogen atoms.
- the substituent is at any position of R 1 , R 2 , and R 4 , and the other R 1 to R 5 are hydrogen atoms.
- R 1 is a hydroxy group
- R 2 is a t-butyl group
- R 4 is a methyl group
- R 3 and R 5 are hydrogen atoms.
- X represents a residue obtained by removing a hydrogen atom from a nitrogen atom, an oxygen atom or an amide group
- l represents an integer of 0 or 1.
- X is a residue obtained by removing a hydrogen atom from an amide group in the formula (I)
- Y 1 represents an aromatic hydrocarbon group which may have a substituent
- m is 1 when X is a residue obtained by removing a hydrogen atom from a nitrogen atom or an amide group, and 0 when X is an oxygen atom.
- Y 2 represents a hydrogen atom, an aliphatic hydrocarbon group which may have a substituent or an aromatic hydrocarbon group which may have a substituent.
- the aromatic hydrocarbon groups of Y 1 and Y 2 are composed of a monocyclic ring or a condensed ring, and have preferably 6 to 18 carbon atoms, more preferably 6 to 14 carbon atoms.
- the aromatic hydrocarbon group is not particularly limited, and examples thereof include a phenyl group, a naphthyl group, and an anthrasenyl group.
- the aliphatic hydrocarbon group of Y 2 preferably has 1 to 20 carbon atoms, more preferably 1 to 10 carbon atoms, and is a linear or branched alkyl group, a linear or branched alkenyl group, or a linear or branched alkynyl.
- Groups, alicyclic hydrocarbon groups and the like can be mentioned.
- the aliphatic hydrocarbon group is not particularly limited, but for example, a methyl group, an ethane-1-yl group, a propane-1-yl group, a 1-methylethane-1-yl group, a butane-1-yl group, butane- 2-yl group, 2-methylpropan-1-yl group, 2-methylpropan-2-yl group, pentan-1-yl group, pentan-2-yl group, 2-methylbutane-1-yl group, hexane- 1-yl group, 2-methylpentane-1-yl group, 3-methylpentane-1-yl group, heptane-1-yl group, 3-ethylpentan-1-yl group, 2-methylhexane-yl group, 3-Methylhexane-yl group, octane-1-yl group, 2-methylheptan-1-yl group, 3-methylheptan-1-yl group, 4-methylheptan-1-yl group
- a linear or branched alkyl group having 1 to 8 carbon atoms is preferable, and a linear or branched alkyl group having 1 to 4 carbon atoms is more preferable.
- the alicyclic hydrocarbon group preferably has 3 to 10 carbon atoms, and more preferably 3 to 8 carbon atoms. Examples thereof include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, and a group containing these as a skeleton.
- the substituents of Y 1 and Y 2 are not particularly limited, and examples thereof include monovalent or divalent groups described in the above [Substituents and the like] column.
- the substituent is a divalent group, any two (preferably adjacent two) carbon atoms of the aromatic hydrocarbon group or the aliphatic hydrocarbon group form a ring together. You may.
- a preferable example is as follows.
- the bonding group represented by the formula (I) In terms of heat resistance and the molar extinction coefficient of the maximum absorption peak in the wavelength region of 350 to 430 nm, the following are preferable examples of the bonding group represented by the formula (I).
- the bonding group is represented by the formula (I), in which l is 1 and X is an oxygen atom.
- the bonding group is represented by the formula (I).
- l In the formula (I), l is 0 or 1, and when l is 1, X is a nitrogen atom.
- the bonding group is represented by the formula (I).
- l In the formula (I), l is 1, X is a nitrogen atom, and Y 1 has a molecular weight of 190 or more.
- the bonding group is represented by the formula (I).
- the linking group (1-7) is represented by the formula (I), in which the Y 1 has a substituent on the aromatic hydrocarbon group, and the substituent is a hydroxyl group and a (meth) acryloyl group. Includes at least one selected from.
- the substituent is a hydroxyalkyl group (having a carbon number of, for example 1 to 10), a (meth) acryloyl group, or an alkyl group whose terminal is substituted with a (meth) acryloyl group (the number of carbon atoms of the alkyl group is For example, 1 to 10).
- the bonding group is represented by the formula (I).
- l is 1, X is a nitrogen atom, and Y 1 is a bicyclic group or more bonded to a sulfur-containing group (1-8).
- the upper limit is not particularly limited, but includes, for example, a fused ring skeleton of (4 ring type or less).
- the fused ring skeleton is not particularly limited, and examples thereof include a benzotriazole skeleton.
- Y 1 has a substituent on an aromatic hydrocarbon group (preferably a phenyl group), and the substituent contains the sulfur-containing group. More preferably, the substituent is the sulfur-containing group at the base end.
- the bonding group is represented by the formula (I).
- l is 1
- X is a nitrogen atom
- Y 1 has two or more aromatic hydrocarbon groups. It is a fused ring of, or has a substituent on an aromatic hydrocarbon group, and the substituent is combined with the aromatic hydrocarbon group to form a ring.
- the bonding group represented by the formula (II).
- the bonding group is represented by the formula (II), and in the formula (II), the heterocycle is a polycyclic type (for example, not particularly limited, but for example, a bicyclic type or more and a tetracyclic type or less).
- the bonding group is represented by the formula (I).
- the bonding group is represented by the formula (I).
- l is 1, X is a nitrogen atom, Y 2 is a hydrogen atom, and Y 1 is an oxygen-containing group. Or it has a nitrogen-containing group.
- the binding group is represented by the formula (I), in which l is 1, X is a nitrogen atom, and Y 2 may have a substituent. It is an aromatic hydrocarbon group which may have a hydrocarbon group or a substituent.
- the binding group is represented by the formula (I), in which l is 1 and X is a residue obtained by removing a hydrogen atom from a nitrogen atom or an amide group.
- the bonding group is represented by the formula (I).
- l is 1
- X is a nitrogen atom
- Y 1 is a monocyclic ring and has no substituent. It is a hydrogen group (preferably a phenyl group)
- Y 2 is an aliphatic hydrocarbon group which may have a hydrogen atom or a substituent.
- the bonding group is represented by the formula (I).
- l is 1
- X is a nitrogen atom
- Y 1 contains a condensed ring having two or more cyclic compounds (upper limit). Is not particularly limited, but is, for example, a 4-ring type or less).
- the fused ring may contain the aromatic hydrocarbon group or may be contained in the substituent of the aromatic hydrocarbon group (in the latter case, for example, a benzotriazole skeleton may be mentioned. ).
- Y 1 preferably comprises a bicyclic or higher fused ring that is directly attached to the nitrogen atom of X.
- the fused ring is preferably a tricyclic or more.
- the fused ring comprises two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (more preferably a phenyl group).
- the bonding group is represented by the formula (I), in which l is 1, X is a nitrogen atom, Y 1 contains a condensed ring, and the condensed ring is a 6-membered ring.
- the fused ring is, for example, a bicyclic or more and a four-ring type or less).
- the fused ring may contain the aromatic hydrocarbon group or may be contained in the substituent of the aromatic hydrocarbon group (in the latter case, for example, a benzotriazole skeleton may be mentioned. ).
- the fused ring comprises two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (more preferably a phenyl group).
- the bonding group is represented by the formula (I), in which l is 1, X is a nitrogen atom and Y 1 contains a condensed ring (not particularly limited, but for example, for example. Bicyclic or more and 4 or less), the condensed ring contains an oxygen-containing group as a substituent.
- the fused ring may or may not contain the aromatic hydrocarbon group in the skeleton.
- the fused ring contains the aromatic hydrocarbon group in its skeleton.
- the linking group is represented by the formula (II), and in the formula (II), the heterocycle is a polycyclic type (for example, not particularly limited, but for example, a bicyclic type or more and a 4-cyclic type or less).
- the linking group is represented by the formula (II), and in the formula (II), the heterocycle contains one or more 6-membered rings (for example, 1 ring type or more and 4 ring type or less). ..
- the heterocycle comprises two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (preferably a phenyl group).
- the bonding group is represented by the formula (II), and in the formula (II), the heterocycle contains one or more 5-membered rings (not particularly limited, but for example, one-ring or more and four-ring or less). ..
- the heterocycle is bicyclic or more.
- the bonding group is represented by the formula (I), in which l is 0 and Y 1 may have a substituent (preferably phenyl). Group).
- Y 1 has no substituent or has an oxygen-containing group or a nitrogen-containing group as the substituent. More preferably, Y 1 has an oxygen-containing group as a substituent.
- the bonding group is represented by the formula (I).
- l is 1, X is a nitrogen atom, and Y 1 is a bicyclic group or more bonded to a sulfur-containing group.
- the upper limit is not particularly limited, but includes, for example, a fused ring skeleton of (4 ring type or less).
- the fused ring skeleton is not particularly limited, and examples thereof include a benzotriazole skeleton.
- Y 1 has a substituent on an aromatic hydrocarbon group (preferably a phenyl group), and the substituent contains the sulfur-containing group. More preferably, the substituent is the sulfur-containing group at the base end.
- the bonding group is represented by the formula (I), in which l is 1, X is a nitrogen atom and Y 1 is an aromatic hydrocarbon group (preferably a phenyl group). ) Has a substituent, and the substituent contains a hydroxy group, preferably a hydroxyalkyl group (the number of carbon atoms is, for example, 1 to 10). (4-11) The bonding group is represented by the formula (I), in which l is 1 and X is a nitrogen atom and Y 1 is an aromatic hydrocarbon group (preferably a phenyl group).
- the substituent contains a (meth) acryloyl group, preferably a (meth) acryloyl group, or an alkyl group whose terminal is substituted with a (meth) acryloyl group (of an alkyl group).
- the number of carbon atoms is, for example, 1 to 10).
- the bonding group represented by the formulas (I) and (II).
- the bonding group is represented by the formula (I), in which l is 0 and Y 1 may have a substituent (preferably phenyl). Group).
- the bonding group is represented by the formula (II), and in the formula (II), the heterocycle of the formula (II) is a polycyclic type (not particularly limited, but for example, a bicyclic type or a 4-cyclic type). Less than).
- the linking group is represented by the formula (II), and in the formula (II), the heterocycle contains one or more 6-membered rings (for example, 1 ring type or more and 4 ring type or less). ..
- the heterocycle comprises two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (more preferably a phenyl group).
- the bonding group is represented by the formula (II), and in the formula (II), the heterocycle contains one or more 5-membered rings (not particularly limited, but for example, 1-cyclic or more and 4-cyclic or less). ..
- the heterocycle is bicyclic or more.
- R 1 to R 5 in the formula (A) is a methyl group.
- R 4 is a methyl group.
- linking groups represented by the formulas (I) and (II) are as follows. (6-1)
- the bonding group is represented by the formula (I).
- l is 1
- X is a nitrogen atom
- Y 1 contains a condensed ring having two or more cyclic compounds (upper limit). Is not particularly limited, but is, for example, a 4-ring type or less).
- the fused ring may contain the aromatic hydrocarbon group or may be contained in the substituent of the aromatic hydrocarbon group (in the latter case, for example, a benzotriazole skeleton may be mentioned. ).
- Y 1 preferably comprises a bicyclic or higher fused ring that is directly attached to the nitrogen atom of X.
- the fused ring is preferably a tricyclic or more.
- the fused ring comprises two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (more preferably a phenyl group).
- the bonding group is represented by the formula (I).
- l is 1
- X is a nitrogen atom
- Y 1 is a condensed ring skeleton containing one or more 6-membered rings. (Although not particularly limited, for example, a 2-ring type or more and a 4-ring type or less).
- Y 1 has a fused ring containing the aromatic hydrocarbon group in the skeleton.
- the fused ring preferably contains two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (more preferably a phenyl group).
- the bonding group is represented by the formula (I), in which l is 1, X is a nitrogen atom and Y 1 contains a condensed ring (not particularly limited, but for example, for example. Bicyclic or more and 4 or less), the condensed ring contains an oxygen-containing group as a substituent.
- the fused ring may or may not contain the aromatic hydrocarbon group in the skeleton.
- the fused ring contains the aromatic hydrocarbon group in its skeleton.
- the bonding group is represented by the formula (II), and in the formula (II), the heterocycle contains an unsaturated bond (preferably a double bond).
- the linking group is represented by the formula (II), and in the formula (II), the heterocycle is a polycyclic type (for example, not particularly limited, but for example, a bicyclic type or more and a tetracyclic type or less).
- the linking group is represented by the formula (II), and in the formula (II), the heterocycle contains one or more 6-membered rings (for example, 1 ring type or more and 4 ring type or less). ..
- the heterocycle contains two or more 6-membered rings.
- the 6-membered ring is preferably an aromatic hydrocarbon group (more preferably a phenyl group).
- the linking group is represented by the formula (II), and in the formula (II), the heterocycle contains one or more 5-membered rings (not particularly limited, but for example, 1-cyclic or more and 4-cyclic or less). ).
- the heterocycle is bicyclic or more.
- the bonding group is represented by the formula (I), in which l is 0 and Y 1 may have a substituent (preferably phenyl). Group).
- Y 1 has no substituent or has an oxygen-containing group or a nitrogen-containing group as the substituent.
- Y 1 has an oxygen-containing group or a nitrogen-containing group as a substituent.
- the bonding group is represented by the formula (I).
- l is 1
- X is a nitrogen atom
- Y 1 is a bicyclic group or more bonded to a sulfur-containing group (6-9).
- the upper limit is not particularly limited, but includes, for example, a fused ring skeleton of (4 or less).
- the fused ring skeleton is not particularly limited, and examples thereof include a benzotriazole skeleton.
- Y 1 has a substituent on an aromatic hydrocarbon group (preferably a phenyl group), and the substituent contains the sulfur-containing group. More preferably, the substituent is the sulfur-containing group at the base end.
- R 1 to R 5 in the formula (A) is a methyl group.
- R 4 is a methyl group.
- the binder is bonded to the organic or inorganic material and bleeds. It is preferable in terms of preventing outs and ensuring the strength of the organic material.
- the reactive substituent may be any as long as it can react with a functional group of an organic material or an inorganic material, and is not particularly limited. For example, an isocyanate group, an epoxy group, a carboxy group, a carbonyl group, a hydroxy group or an alkenyl group.
- Examples thereof include a cinnamoyl group, a hydrocarbon group to which these groups are bonded (for example, 1 to 20 carbon atoms, preferably an alkyl group), a polyoxyalkylene group (for example, 1 to 20 carbon atoms), and the like, preferably a hydroxy group.
- the linking group represented by the above formula (I) preferably contains a reactive substituent on the aromatic hydrocarbon group of Y 1 , and has a reactive substituent at the terminal from the viewpoint of reactivity.
- An aromatic hydrocarbon group in which an alkyl group is bonded to an aromatic group is more preferable.
- the linking group is represented by formula (I), where l is 1, X is a nitrogen atom and Y 1 is a substituent reactive with an aromatic hydrocarbon group. Have.
- Y 3 forms a heterocycle which may have a substituent together with the nitrogen atom N.
- heteroatoms such as sulfur atom, nitrogen atom and oxygen atom are mentioned as atoms constituting the ring of the heterocycle, and the heteroatom is at least one selected from nitrogen atom and oxygen atom.
- a heterocycle is preferable, and a heterocycle in which the heteroatom is a nitrogen atom is more preferable. Further, a fused ring having two or more rings is more preferable.
- the thermal decomposition temperature of the UV absorber is high. If it is low, it may be decomposed, the effect of ultraviolet absorption cannot be sufficiently exhibited, the device is contaminated, and in the case of a transparent resin member, a high thermal decomposition temperature is desirable in order to prevent loss of transparency. Further, from the viewpoint of suppressing odor when thermally decomposed (oxidatively decomposed), it is desirable that it does not contain sulfur atoms that cause odor.
- the ultraviolet absorber of the present invention has improved heat resistance by introducing a binding group represented by the above formulas (I) and (II) into the 2-phenylbenzotriazole derivative.
- the 5% weight loss temperature of the 2-phenylbenzotriazole derivative in the present invention is preferably 250 ° C. or higher, more preferably 280 ° C. or higher, further preferably 300 ° C. or higher, and particularly preferably 340 ° C. or higher.
- the molding processing temperature is 100 to 250 ° C because the weight loss temperature is 5% higher than the general resin softening temperature of 100 to 250 ° C ("Understanding Plastic", supervision: Japan Plastic Industry Federation, Publishing: Japan Business Publishing Co., Ltd.). It can be applied to thermoplastic resins such as thermosetting resins and thermoplastic resins at 200 ° C., which require a molding processing temperature higher than 200 to 250 ° C.
- the transmittance at 400 nm is preferably 10% or less, more preferably 1% or less, and the transmittance at 430 nm is preferably 75% or less, and the transmittance at 440 nm is preferable. Is preferably 53% or more, and more preferably 75% or more.
- the required absorption region differs depending on the field, and the wavelength of the absorption peak required accordingly also differs, but in many fields, the selectivity of the absorption wavelength and the absorption efficiency are important. Focusing on the shape of the absorption peak, a sharp absorption peak with a large slope of the absorption peak makes it possible to selectively absorb light of a specific wavelength, and is the maximum in the wavelength region of 350 to 430 nm measured with chloroform 50 ⁇ M or 100 ⁇ M.
- the absolute value of the wavelength gradient of the absorption peak is preferably 0.015 or more, more preferably 0.020 or more, further preferably 0.025 or more, particularly preferably 0.030 or more, and even more preferably 0.034 or more.
- the molar extinction coefficient of the maximum absorption peak in the wavelength region of 350 to 430 nm with chloroform 50 ⁇ M or 100 ⁇ M is preferably 17200 L / (mol ⁇ cm) or more, preferably 18000 L /. (Mol ⁇ cm) or more is more preferable, 20000 L / (mol ⁇ cm) or more is further preferable, and 30,000 L / (mol ⁇ cm) or more is particularly preferable.
- Light resistance is important in order to suppress deterioration of the ultraviolet absorber, the organic material or the inorganic material composition containing the ultraviolet absorber, and the organic resin composition.
- the difference between the rates is preferably 76% or less, more preferably 45% or less, further preferably 30% or less, particularly preferably 15% or less, and 10% or less. More preferably, it is 5% or less, and most preferably 5% or less.
- the molar extinction coefficient affects the amount of the ultraviolet absorber added, and the larger the value, the more efficiently the required absorption wavelength can be absorbed. Further, when the slope of the absorption peak is large, the required wavelength region can be selectively absorbed without absorbing the long wavelength region. For example, depending on the field, suppression of visible light absorption is required, and even when the ultraviolet absorber of the present invention is added to absorb a wavelength of 400 to 430 nm, coloring such as yellowing of the material can be suppressed. Further, the ultraviolet absorber of the present invention having excellent light resistance is durable and very useful.
- the 2-phenylbenzotriazole derivative in the present invention has good compatibility with the resin, and the substituent of R 1 to R 5 is preferably a linear or branched alkyl group having 1 to 6 carbon atoms, and is a methyl group or t-butyl. More preferably, it has at least one methyl group.
- the positions are preferably R 2 and R 4 .
- composition in the present specification, the terminology of a composition includes a composition containing an ultraviolet absorber of the present invention regardless of its properties such as solid, fluid, gel, and sol, and includes members as well as members. It also includes raw materials for production.
- the terminology of the member is not particularly limited, but includes, for example, a shaped object having an arbitrary shape.
- Applications of the composition of the member or the like containing the ultraviolet absorber of the present invention include, for example, those described later.
- Examples of the material of the composition containing the ultraviolet absorber of the present invention include an organic material and an inorganic material.
- the UV absorber of the present invention has high affinity, compatibility and adhesion with various organic and inorganic materials, and is homogeneous when the UV absorber of the present invention is mixed, dissolved, dispersed, coated and coated.
- a composition and a member can be obtained, and particularly when a transparent member is used, a member having excellent transparency can be obtained. In particular, it is highly applicable to organic materials.
- the composition containing the ultraviolet absorber of the present invention includes an organic material composition and an inorganic material composition (in the present invention, the organic material composition when the organic material is contained, and the inorganic material when the inorganic material is contained).
- Material compositions which are collectively referred to as organic materials or inorganic material compositions containing organic materials or inorganic materials).
- the shape of the organic material composition and the inorganic material composition is not particularly limited, and for example, a coating film, a coating film, a laminated film, a film, a sheet, a plate, a powder, a granular material, a pellet, a tablet, and a molding. Goods, etc.
- the ultraviolet absorber of the present invention can obtain the organic material composition and the inorganic material composition having excellent heat resistance and suppress deterioration. To do. In addition, it has a good affinity with organic materials and inorganic materials, especially organic materials.
- the organic material composition and the inorganic material composition containing the ultraviolet absorber efficiently absorb harmful light in the wavelength range of 250 to 430 nm, for example, in appearance.
- It can be an organic material composition or an inorganic material composition.
- the organic material composition contains 0.001% by mass or more, preferably 0.01% by mass or more, and more preferably 0.1% by mass or more of the organic material with respect to the total amount of all the materials excluding water and solvent. , More preferably 1% by mass or more.
- the inorganic material composition contains 0.001% by mass or more, preferably 0.01% by mass or more, and more preferably 0.1% by mass or more of the inorganic material with respect to the total amount of all the materials excluding water and solvent. , More preferably 1% by mass or more.
- the composition containing the ultraviolet absorber of the present invention may be a mixture of added and mixed raw materials for finally forming an organic material, an inorganic material, a member and the like.
- the composition containing the ultraviolet absorber of the present invention is a composition obtained by dispersing, dissolving, or mixing the above-mentioned organic material composition or inorganic material composition containing the ultraviolet absorber of the present invention in a liquid such as water or an organic solvent. There may be.
- the organic material is not particularly limited, and examples thereof include organic resins, animal and plant-derived materials, crude oil-derived materials, and organic compounds.
- the organic resin composition is an organic composition containing the ultraviolet absorber and the organic resin of the present invention, and is included in the organic material composition.
- the organic resin is not particularly limited, and conventionally known ones can be widely used, and examples thereof include a thermoplastic resin and a thermosetting resin, each of which is a polymer having one kind of repeating unit and a plurality of repeating units. Contains copolymers containing.
- thermoplastic resin polymer and copolymer
- thermosetting resin polymer and copolymer
- other repeating units are added to the total amount of the resin in an amount of 20% by mass or less, preferably 15% by mass or less, more preferably 10% by mass or less, still more preferably 5. It is allowed to contain not more than% by mass, particularly preferably 2% by mass or less. Further, it is a mixture of such a resin and another resin, and the content of the other resin is 20% by mass or less, preferably 15% by mass or less, more preferably 10% by mass or less, based on the total amount of the mixture. , More preferably 5% by mass or less, and particularly preferably 2% by mass or less.
- thermoplastic resin is not particularly limited, and for example, as the polymer, (meth) acrylic resin, olefin resin, styrene resin, ester resin, ether resin, vinyl chloride resin, fluorine resin, etc.
- the polymer include butadiene-styrene-based copolymer, acrylonitrile-styrene-based copolymer, acrylonitrile-butadiene-styrene-based copolymer, styrene-isoprene-based copolymer, styrene-acrylic acid-based copolymer, and vinyl chloride.
- the polymer of the thermoplastic resin is not particularly limited, and examples thereof include the following.
- the (meth) acrylic resin is not particularly limited, and for example, poly (meth) acrylic acid, methyl poly (meth) acrylate, ethyl poly (meth) acrylate, butyl poly (meth) acrylate, and poly (meth). ) Acrylonitrile and the like can be mentioned.
- the olefin resin is not particularly limited, but for example, polyethylene, polypropylene, polybutene, polybutadiene, polyisoprene, poly (2,3-dimethylbutadiene), polycyclohexadiene, polycyclopentadiene, polydicyclopentadiene, polychloroprene, poly. Norbornene and the like can be mentioned.
- the styrene resin is not particularly limited, and examples thereof include polystyrene and the like.
- the ester resin is not particularly limited, but for example, polyethylene terephthalate, polybutylene terephthalate, polycyclohexanedimethylene terephthalate, polyethylene naphthalate, polybutylene naphthalate, polycaprolactone, polyethylene succinate, polylactic acid, polyapple acid, and polyglycol. Examples include acid.
- the ether-based resin is not particularly limited, and examples thereof include polyacetal, polyphenylene ether, polyetherketone, polyetheretherketone, polyetherketoneketone, polyetheretherketoneketone, polyethersulfone, and polyetherimide.
- the vinyl chloride resin is not particularly limited, and examples thereof include polyvinyl chloride and polyvinylidene chloride.
- the fluororesin is not particularly limited, and examples thereof include polytetrafluoroethylene, polyvinyl fluoride, and polyvinylidene fluoride.
- the vinyl-based resin is not particularly limited, and examples thereof include polyvinyl acetate, polyvinyl alcohol, polyvinyl sulfonic acid, and salts thereof.
- the polycarbonate resin is not particularly limited, and examples thereof include polycarbonate.
- the polyamide resin is not particularly limited, and examples thereof include polyamide, nylon 6, nylon 66, nylon 11, and nylon 12.
- the polyimide-based resin is not particularly limited, and examples thereof include polyimide.
- the polyamide-imide resin is not particularly limited, and examples thereof include polyamide-imide.
- the polymaleimide-based resin is not particularly limited, and examples thereof include polymaleimide and polyN-phenylmaleimide.
- the polyvinylpyrrolidone-based resin is not particularly limited, and examples thereof include polyvinylpyrrolidone.
- the polyurethane-based resin is not particularly limited, and examples thereof include polyurethane.
- the polysulfone-based resin is not particularly limited, and examples thereof include polysulfone.
- the polyphenylene sulfide resin is not particularly limited, and examples thereof include polyphenylene sulfide resin and the like.
- the cycloolefin-based resin is not particularly limited, and examples thereof include a cycloolefin polymer.
- copolymer of the thermoplastic resin examples include those containing a plurality of raw material monomers of the polymers listed above, and are not particularly limited, and examples thereof include the following.
- the butadiene-styrene copolymer is not particularly limited, and examples thereof include a butadiene-styrene copolymer.
- the acrylonitrile-styrene copolymer is not particularly limited, and examples thereof include an acrylonitrile-styrene copolymer.
- the acrylonitrile-butadiene-styrene copolymer is not particularly limited, and examples thereof include an acrylonitrile-butadiene-styrene copolymer.
- the styrene-isoprene-based copolymer is not particularly limited, and examples thereof include a styrene-isoprene copolymer.
- the styrene-acrylic acid-based copolymer is not particularly limited, and examples thereof include a styrene-acrylic acid copolymer.
- the vinyl chloride-vinylidene chloride-acrylonitrile-based copolymer is not particularly limited, and examples thereof include a vinyl chloride-vinylidene chloride-acrylonitrile copolymer.
- thermosetting resin is not particularly limited, but for example, the polymer includes phenol-based resin, urea-based resin, melamine-based resin, unsaturated polyester-based resin, alkyd-based resin, epoxy-based resin, and episulfide-based resin.
- the polymer include acrylic melamine-based resin and acrylic urethane-based resin. These may be used individually by 1 type, and may be used in combination of 2 or more type.
- the polymer of the thermosetting resin is not particularly limited, and examples thereof include the following.
- the phenolic resin is not particularly limited, and examples thereof include phenolic resins.
- the urea resin is not particularly limited, and examples thereof include urea resin.
- the melamine-based resin is not particularly limited, and examples thereof include melamine resins.
- the unsaturated polyester resin is not particularly limited, and examples thereof include unsaturated polyester resins.
- the alkyd resin is not particularly limited, and examples thereof include alkyd resins.
- the epoxy resin is not particularly limited, and examples thereof include an epoxy resin.
- the episulfide resin is not particularly limited, and examples thereof include an episulfide resin.
- the copolymer of the thermosetting resin is not particularly limited, and examples thereof include the following.
- the acrylic melamine resin is not particularly limited, and examples thereof include an acrylic melamine resin.
- the acrylic urethane resin is not particularly limited, and examples thereof include acrylic urethane resin.
- the ultraviolet absorber of the present invention suppresses discoloration and weight loss and suppresses odor even when placed in a heating environment for a long time (constant temperature for a certain period of time) in the production and processing of organic materials and inorganic materials containing an ultraviolet absorber. It can be preferably used because it can be used.
- the organic resin to be combined with the ultraviolet absorber of the present invention is not particularly limited, and examples thereof include the above-mentioned thermoplastic resin (polymer and copolymer) and thermosetting resin (polymer and copolymer).
- thermoplastic resin examples include (meth) acrylic resin (polymethylmethacrylate), ester resin (polyethylene terephthalate: PET), polycarbonate resin (polycarbonate: PC), and styrene among the polymers of the thermoplastic resin.
- Acrylic resins polystyrene: PS
- cycloolefin resins cycloolefin polymers: COP
- acrylic nitrile-butadiene-styrene copolymers acrylic nitrile-butadiene-styrene copolymer weight) Combined: ABS
- thermosetting resins for example, a urea-based resin (urea resin), a melamine-based resin (melamine resin), and an acrylic melamine-based resin (acrylic melamine resin) can be preferably used.
- a thermoplastic resin can be preferably used.
- a copolymer can be preferably used, and for example, an acrylic melamine resin (acrylic melamine resin) can be preferably used.
- an organic resin composition that sufficiently and efficiently absorbs wavelength light of 250 to 430 nm can be obtained. Further, due to the heat resistance of the ultraviolet absorber of the present invention, and the compatibility and affinity with the organic resin, the organic resin composition containing the ultraviolet absorber of the present invention has an excellent appearance, and is manufactured, heated during processing, and at a high temperature. And / or when used in an environment exposed to ultraviolet rays, it does not discolor, retains transparency, and suppresses yellowing.
- the organic resin composition of the present invention preferably contains 0.001% by mass or more of the organic resin, more preferably 0.01% by mass or more, based on the total amount of the organic resin composition excluding the ultraviolet absorber of the present invention. , 0.1 mass or more is particularly preferable.
- the organic resin composition is, for example, a mixture, dispersion or dissolution of the ultraviolet absorber and the organic resin of the present invention or the ultraviolet absorber in the organic resin. Inorganic compounds used for fillers, silane coupling agents, primers and the like may be added to the organic resin composition.
- the inorganic material is not particularly limited, but for example, a siliceous material by the sol-gel method, glass, water glass, low melting point glass, quartz, silicon resin, alkoxysilane, silane coupling agent, metal, metal oxide, mineral, inorganic.
- examples include compounds.
- the glass is not particularly limited, and examples thereof include silicon oxide, non-alkali glass, and soda glass.
- the water glass is not particularly limited, and examples thereof include an aqueous solution of a water-soluble alkali metal salt, such as sodium silicate and potassium silicate.
- the low melting point glass is not particularly limited, and examples thereof include glass containing lead oxide (PbO) and boric acid anhydride (B 2 O 3 ) as main components.
- the silicone resin is not particularly limited, and examples thereof include methyl silicone resin, methylphenyl silicone resin, and organic resin-modified silicone resin modified with epoxy resin, alkyd resin, polyester resin, and the like.
- the alkoxysilane is not particularly limited, but for example, dimethyldimethoxysilane, methylphenyldimethoxysilane, methylvinyldimethoxysilane, 3-mercaptopropylmethyldimethoxysilane, 3,3,3-trifluoropropylmethyldimethoxysilane, methyltrimethoxy. Examples thereof include silane, vinyl trimethoxysilane, and 3-mercaptopropyltrimethoxysilane.
- the silane coupling agent is not particularly limited, and is, for example, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3 -Glysidoxypropylmethyldiethoxysilane, 3-glycidoxypropyltriethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-isocyanoxidetriethoxysilane N-2-( Aminoethyl) -3-aminopropylmethyldimethoxysilane, N-2- (aminoethyl) -3-aminopropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminoprop
- the metal is not particularly limited, and examples thereof include Zn, Fe, Cu, Ni, Ag, Si, Ta, Nb, Ti, Zr, Al, Ge, B, Na, Ga, Ce, V, P, Sb and the like. Can be mentioned.
- the metal oxide is not particularly limited, and examples thereof include zinc oxide, titanium oxide, cerium oxide, iron oxide, tin oxide, indium oxide, and antimony oxide. Examples of minerals include smectite, bentonite, hectorite, montmorillonite and the like.
- Shape of the member is not particularly limited and may be any shape, for example, coating, adhesive, adhesive, flexible or flexible film or rigid plate-shaped (plate-shaped) member. , Powder-like, granular, pellet-like, tablet-like (tablet-like) members, master batches, molded products and the like.
- Coating Specific examples of application include coating the surface of members such as resin and glass.
- the coating method is not particularly limited, but for example, a resin, a paint, a siliceous material, glass, a solvent dispersion, or the like in which the ultraviolet absorber of the present invention is mixed, dissolved, or dispersed is applied to the surface of a member, sprayed, formed, or formed.
- Adhesives Specific application examples are not particularly limited, but for example, organic adhesives (organic resin, synthetic rubber, starch, glue, etc.) applied to various materials and members, inorganic adhesives, etc. Examples thereof include an adhesive in which the ultraviolet absorber of the present invention is mixed, dissolved, and dispersed in (silica, ceramic, cement, solder, water glass, etc.).
- Adhesives Specific application examples are not particularly limited, but for example, adhesives (organic resins, organic oligomers, organic resin monomers, rubber adhesives, starches, glues) applied to various materials and members.
- Silicone-based pressure-sensitive adhesive, silane coupling agent-based pressure-sensitive adhesive, etc.) and the ultraviolet absorber of the present invention are mixed, dissolved, and dispersed.
- Film Specific application examples are not particularly limited, but for example, the ultraviolet absorber of the present invention is mixed and dissolved in a flexible or flexible film-like resin, glass, or silicon oxide precursor. , Dispersed members can be mentioned.
- the film may be a single-layer film, a base film or a substrate on which one or more layers are provided according to various uses, or a substrate with a film, and when a multi-layer film is provided, the same may be used. At least one layer contains the ultraviolet absorber of the present invention.
- Plate-like resin containing the ultraviolet absorber of the present invention glass, or a glass interlayer film in which glass is combined.
- Plate Specific application examples include, but are not limited to, a member obtained by mixing, dissolving, and dispersing the ultraviolet absorber of the present invention in a plate-shaped (plate-shaped) resin or glass.
- Powder, granules, pellets, tablets (tablets) Specific application examples are not particularly limited, but for example, a member in which the ultraviolet absorber of the present invention is mixed, dissolved, and dispersed in powder, granular, pellet, tablet (tablet) resin, and glass. Can be mentioned.
- Masterbatch Specific application examples are not particularly limited, but for example, granules and pellets in which a colorant such as an ultraviolet absorber or a pigment of the present invention is mixed, dissolved, or dispersed as necessary in a resin or the like. Examples thereof include a resin composition having a shape or the like. It is used by melting and mixing with other resins.
- Molded product Specific application examples include, but are not limited to, an article molded by mixing, dissolving, and dispersing the ultraviolet absorber of the present invention with resin or glass.
- compositions and members containing the UV absorbers of the present invention include various additives, such as, but not limited to, antioxidants, heat-resistant stabilizers, weather-resistant stabilizers, light stabilizers, pigments, dyes, and fillers. , Plasticants, antistatic agents, nucleating agents, wetting agents, preservatives, fungicides, antifoaming agents, stabilizers, antioxidants, additives such as chelating agents, etc., to the extent that their properties are not deteriorated. It may be contained.
- the ultraviolet absorber of the present invention is used in fields where high heat resistance is required, and the types, shapes, uses, etc. of compositions and members are not limited.
- the composition and member containing the ultraviolet absorber of the present invention can be an ultraviolet absorber-containing composition having excellent heat resistance.
- the coating film, film, etc. for use can be a coating film, film, or the like that does not cause yellowing, discoloration, deterioration of ultraviolet absorption ability, or deterioration of transparency for a long period of time from production to use.
- the use of the ultraviolet absorber of the present invention is not particularly limited, but is particularly suitable for applications that may be exposed to wavelength light of 380 to 400, further 380 to 430 nm, light containing sunlight or ultraviolet rays, and light emission of LEDs. Can be used.
- Anti-fading agents such as printed matter, dyed matter and dye pigments, protective films for resin members or various devices, glass intermediate layers, cosmetics, textile products for clothing and textiles, household interiors such as curtains, rugs and wallpapers, plastic lenses , Contact lenses, medical instruments such as artificial eyes, optical pickup lenses, camera lenses, optical lenses such as lenticular lenses, optical filters, backlight display films, prisms, mirrors, photographic materials, displays, and other optical and optical supplies.
- Protective film, optical material, film having a functional optical layer for example, but not limited to, various optical disk substrate protective films, reflective films, antireflection films, alignment films, polarizing films, polarizing layer protective films, retardation films, etc.
- Light diffusion film viewing angle improving film, electromagnetic wave shielding film, anti-glare film, light-shielding film, brightness improving film, etc.
- optical molded products such as members, adhesives and adhesives, optical fibers or information recording boards, surface protection for solar cells Films, stationery, marking boards and marking devices and their surface coating materials, glass substitutes or their surface coating materials, glass and glass coating materials for residences, facilities or transportation equipment, light-collecting glass, fluorescent lamps, mercury lamps, halogen bulbs It can also be used for members such as LED lights, coating materials for light source members and light source protective glass, window glass for houses, facilities and transportation equipment, and intermediate films for window films and laminated glass.
- the organic material composition is not particularly limited, but can be used, for example, as an anti-fading agent for cosmetics, printed matter, dyed matter, dyeing pigment and the like.
- ligand compound A ligand represented by the following formula was synthesized.
- 2-Aminobiphenyl (13.57 g, 80 mmol) and triethylamine (9.1 g, 90 mmol) were dissolved in THF 300 mL, and oxalyl chloride (5.08 g, 40 mmol) was slowly added dropwise with stirring on ice. After completion of the dropping, the mixture was stirred at room temperature for 2 hours. After completion of the reaction, the solvent was distilled off, the obtained solid was suspended in water, and then a yellow solid was obtained by filtration. The solid was washed with water and cooled diethyl ether to obtain a white solid ligand.
- the compounds 29 and 30 used were manufactured by Tokyo Chemical Industry Co., Ltd.
- the compound 29 and 30 is 2-phenyl benzotriazole derivatives having no bond group represented by (II), no Y 1 (Y 1 is an alkyl group)
- the compound of Comparative Example 3 Compared with 31 (244 ° C.), the ultraviolet absorber compounds 1-28 of the present invention having the formula (I) or (II) containing Y 1 have a high 5% weight loss temperature of 250 ° C. or higher and have heat resistance. It was confirmed that it was excellent.
- compound 1 (292 ° C), compound 2 (322 ° C), compound 3 (300 ° C), compound 4 (326 ° C), compound 5 (284 ° C), compound 6 (290 ° C), compound 7 (348 ° C).
- Compound 8 (280 ° C), Compound 10 (374 ° C), Compound 11 (382 ° C), Compound 12 (319 ° C), Compound 14 (329 ° C), Compound 16 (352 ° C), Compound 19 (346 ° C), Compound 20 (380 ° C), Compound 21 (324 ° C), Compound 22 (356 ° C), Compound 23 (302 ° C), Compound 24 (327 ° C), Compound 25 (339 ° C), Compound 26 (336 ° C), Compound 27 (297 ° C.) and compound 28 (348 ° C.) have a 5% weight loss temperature of 280 ° C.
- Y 1 is an aromatic hydrocarbon having an ester group or an amide group substituent at the base end.
- the group or the aromatic hydrocarbon group having a substituent of a sulfur-containing group or a nitrogen-containing group at the base end of Y 1 in the formula (I) the heat resistance was excellent.
- Y 1 is a fused ring having two or more aromatic hydrocarbon groups. It was suggested that the heat resistance is improved by having a substituent on the aromatic hydrocarbon group and forming a ring together with the aromatic hydrocarbon group.
- the compounds 1 to 27 of the present invention have absorption peaks from the wavelength region of ultraviolet rays to the short wavelength region of visible light, and function as an ultraviolet absorber when added to, for example, a film or a resin. ..
- the benzotriazole-based compounds 1 to 27 of the present invention in which the formulas (I) and (II) are introduced into benzotriazole at the absorption peak in the wavelength region of 350 to 430 nm, are conventional long wavelength absorption type ultraviolet absorbers (compounds). It was confirmed that the maximum absorption peak was shifted to the long wavelength region as compared with 29), and the absorption peak was at 355 nm or more in the longer wavelength region, and the ultraviolet absorption was excellent. Among them, compound 1 (386 nm), compound 4 (387 nm), compound 11 (380 nm), compound 14 (376 nm), compound 15 (375 nm), compound 22 (380 nm), compound 23 (389 nm), compound 24 (388 nm).
- Compound 25 (385 nm)
- Compound 26 (388 nm)
- Compound 27 (370 nm) is 370 nm or more
- Compound 2 (390 nm)
- Compound 3 (396 nm)
- Compound 5 (391 nm)
- Compound 7 (395 nm)
- Compound 10 (391 nm).
- Compound 6 (406 nm)
- Compound 8 (401 nm)
- Compound 9 (411 nm)
- Compound 21 (413 nm) had an absorption peak of 400 nm or more, and were excellent in long-wavelength absorption.
- the compound in which a hydrogen atom was introduced into Y 2 had an absorption peak of 375 nm or more, but the absorption peak was shifted by a long wavelength due to the introduction of an aliphatic hydrocarbon group into Y 2 (Compound 5: 391 nm). Further, by introducing an aromatic hydrocarbon group (Compound 6: 406 nm, Compound 21: 413 nm), the wavelength was shifted to 390 nm or more by a long wavelength, and an absorption peak of 400 nm or more was obtained.
- the benzotriazole compounds 1 to the present invention into which the formulas (I) and (II) were introduced.
- the molar extinction coefficient of 27 is 17200 L / (mol ⁇ cm) or more, and a conventional long wavelength absorption type UV absorber (Compound 29: 15300 L / (mol ⁇ cm)) and a UV absorber having a similar structure (Compound 31: It was confirmed that the molar extinction coefficient is higher than 17100 L / (mol ⁇ cm)), the ultraviolet absorption ability at the absorption peak in the wavelength region of 350 to 430 nm is excellent, and the target wavelength light is efficiently absorbed even with a small amount of addition.
- compounds 15 and 23 are 18,000 L / (mol ⁇ cm) or more
- compound 1, compounds 4 to 6, compounds 8 to 14, compounds 16 to 20, 24 to 27 are 20000 L / (mol ⁇ cm) or more
- Compound 7 and Compound 22 had a high molar extinction coefficient of 30,000 L / (mol ⁇ cm) or more, and were excellent in ultraviolet absorption ability. That is, the compounds 7 and 22 having two benzotriazole skeletons in the compound, particularly the compound 3 having a nitro group in Y 1 despite having one benzotriazole skeleton, have a high molar absorption coefficient and are excellent. confirmed.
- compounds 1, 4, 5, 11, 14, 18 to 20, 22, 24 to 27 are 0.030 or more
- Y 1 is an aliphatic hydrocarbon group and is a compound 31 of a similar compound which does not form a heterocycle. From (Comparative Example 3: 0.028), in particular, Compounds 1, 4, 11, 14, 18, 19, 24 to 26 are 0.034 or more, have a larger inclination than Compound 30 (Comparative Example 2), and have a wavelength. It was suggested that the selectivity of the compound was excellent.
- l 1, X is a nitrogen atom, Y 1 is a monocyclic aromatic hydrocarbon group (phenyl group) having no substituent, and Y 2 is a hydrogen atom compound 1 (0.034).
- Compounds 13 (0.022), 14 (0.034), and 27 (0.037) containing one or more 5-membered rings have a large slope of 0.015 or more.
- the compounds 14 (0.034) and 27 (0.037) having two or more heterocycles are the compounds 13 (0.022) and 15 (0) having a monocyclic heterocycle.
- compound 15 (1 piece: 0.025) and compound 14 (2 pieces: 0.034) having one or more 6-membered rings in the heterocycle are compound 27 (1 piece: 0.037).
- the slope is larger than that of 0 compound 13 (0.022).
- the compound 27 (1 piece: 0.037) containing an aromatic hydrocarbon group has a larger slope than the compound 15 (1 piece: 0.025) not containing the aromatic hydrocarbon group.
- compounds 17 (0.028), 18 (0.034), 19 (0.034), 20 (0.) in which l 0 and Y 1 are aromatic hydrocarbon groups (phenyl groups).
- 033) has a gradient of 0.025 or more, and among them, compounds 17 (0.028) and compound 19 (0.034), which have the same substituents on R 1 , R 2 , and R 4 of the formula (A),.
- compounds 19 and 20 having an oxygen-containing group and a nitrogen-containing group in the aromatic hydrocarbon group (phenyl group) of Y 1 have a high inclination of 0.030 or more and further contain oxygen. The inclination of the group-containing compound 20 was 0.033.
- the transmittance compounds 1 to 27 and 29 to 31 are diluted to a predetermined concentration of chloroform 30 to 2000 ⁇ M and housed in a 10 mm quartz cell, and are stored in an ultraviolet-visible-infrared spectrophotometer (Hitachi High-Tech). Transmission spectra were measured using a UH4150V manufactured by Science, and the transmittance of 400 to 450 nm was read from those spectra (Table 1AD).
- the benzotriazole-based compound 2 (100 ⁇ M, 400 nm: 3%, 430 nm: 46%, 440 nm: 73%) and compound 3 (50 ⁇ M, 400 nm: 2) of the present invention in which the formulas (I) and (II) are introduced into benzotriazole.
- Compound 1 120 ⁇ M, 400 nm: 1%, 430 nm: 72%, 440 nm: 91%), Compound 4 (100 ⁇ M, 400 nm: 1%, 430 nm: 56%, 440 nm: 85%), Compound 5 (100 ⁇ M, 400 nm). 1%, 430 nm: 45%, 440 nm: 79%), Compound 14 (2000 ⁇ M, 400 nm: 0%, 430 nm: 59%, 440 nm: 89%), Compound 24 (100 ⁇ M, 400 nm: 1%, 430 nm: 64%).
- Compound 26 (100 ⁇ M, 400 nm: 1%, 430 nm: 65%, 440 nm: 92%) has 400 nm transmittance: 1% or less, 430 nm transmittance: 75% or less, 440 nm transmittance: 75. % Or more, and the above-mentioned optical characteristics were excellent. In particular, compounds 4, 5, 24, and 26 could be realized at low concentrations.
- thermoplastic resin polymethyl methacrylate as (meth) acrylic resin, polyethylene terephthalate as ester resin, polystyrene as styrene resin, polycarbonate as polycarbonate resin, acrylonitrile-butadiene-styrene type Acrylonitrile-butadiene-styrene copolymer is used as the copolymer, cycloolefin polymer is used as the cycloolefin resin, acrylic melamine resin is used as the acrylic melamine resin, and urea resin and melamine resin are used as the urea resin. Compatibility was confirmed using melamine resin.
- a blank sample 0.1 g of polymethyl methacrylate and 4 g of chloroform were uniformly mixed, and the same operation as described above was carried out to prepare a polymethyl methacrylate film having a film thickness of 50 to 300 ⁇ m.
- Evaluation Criteria ⁇ Has the same transparency as the blank sample ⁇ : Slightly cloudy compared to the blank sample ⁇ : Severe cloudy compared to the blank sample
- compound 18 (Y 1 : Ph-, R 2 , R 4 substituents: t-butyl group, t) having the same Y 1 and X but different R 1 to R 5 substituents.
- -Butyl group compound 17 (Y 1 : Ph-, R 2 , R 4 substituents: methyl group, t-butyl group) is not cloudy and has good transparency (good compatibility). It was confirmed that the obtained compounds having methyl in R 1 to R 5 have excellent compatibility.
- a polyethylene terephthalate chip As a blank sample, 0.045 g of a polyethylene terephthalate chip was dissolved and the same operation as described above was carried out to prepare a polyethylene terephthalate film having a film thickness of 20 to 200 ⁇ m.
- a blank sample 0.1 g of polystyrene resin and 4 g of chloroform were uniformly mixed, and the same operation as described above was carried out to prepare a polystyrene film having a film thickness of 10 to 50 ⁇ m.
- ABS acrylonitrile-butadiene-styrene resin film
- ABS resin and 20 g of chloroform were uniformly mixed without adding additives, and the same operation as described above was carried out to prepare an ABS film having a film thickness of 10 to 50 ⁇ m.
- a monomer solution was prepared by dissolving 1 mL of a 37 wt% formaldehyde solution, 0.25 g of urea, and 0.16 g of ammonium acetate. Next, 0.007 g of compound 14, 29, or 31 was dissolved in 20 mL of THF, 0.2 mL thereof and 0.1 mL of the monomer solution were uniformly mixed, and 0.3 mL was placed on a 1.5 ⁇ 1.5 cm slide glass. It was applied. This slide glass was placed in an oven and heated at 150 ° C. for 5 hours to prepare a urea resin film containing 1 wt% of compounds 14, 29, or 31 having a film thickness of 40 to 80 ⁇ m.
- a blank sample 0.1 mL of the monomer solution and 0.2 mL of THF were uniformly mixed, and the same operation as described above was carried out to prepare a urea resin film having a film thickness of 40 to 80 ⁇ m.
- a blank sample 0.2 mL of the monomer solution and 0.1 mL of THF were uniformly mixed, and the same operation as described above was carried out to prepare a melamine resin film having a film thickness of 10 to 50 ⁇ m.
- a blank sample 0.045 g of COP resin was dissolved and the same operation as described above was carried out to prepare a COP film having a film thickness of 20 to 200 ⁇ m.
- Evaluation Criteria ⁇ Has the same transparency as the blank sample ⁇ : Slightly cloudy compared to the blank sample ⁇ : Severe cloudy compared to the blank sample
- the film to which the compound 14 of the present invention was added gave a film having the same transparency or slightly cloudiness as that of the blank in any resin, and a film having good transparency could be obtained.
- a thermoplastic resin polymer, eutectic
- polystyrene polystyrene
- polycarbonate polymethyl methacrylate
- ABS polymethyl methacrylate
- cycloolefin polymer polystyrene
- thermosetting resin eutectic acrylic melamine resin are used.
- the resin used had good transparency. From this, it is suggested that the 2-phenylbenzotriazole derivative of the present invention is particularly excellent in compatibility with the copolymer of the thermoplastic resin (polymer, copolymer) and the thermosetting resin.
- the heterocyclic ring in the formula (II) is two or more cyclic and has a 6-membered ring aromatic hydrocarbon group.
- the compound 14 of the ultraviolet absorber according to the present invention containing two (phenyl groups) and a 5-membered ring was excellent in compatibility with the resin.
- the compounds containing a sulfur-containing group in the 2-phenylbenzotriazole derivative generated an odor during decomposition, but the compounds 1 to 20 into which the binding groups represented by the above formulas (I) and (II) were introduced were found. It was suggested that it can be applied to resins that do not generate odor and require a higher molding processing temperature, and that odor during processing can be reduced.
- the ultraviolet-visible transmission spectrum of the thin film was measured with an ultraviolet-visible-infrared spectrophotometer (UH4150V manufactured by Hitachi High-Tech Science), and the initial (before irradiation) ultraviolet transmittance (%): A of 370 to 430 nm was read. After that, using an ultraviolet irradiation device (Atlas weatherometer Ci3000 + w), ultraviolet rays were irradiated under the conditions of a wavelength of 300 to 400 nm, an illuminance of 42 W / m 2 , and a black panel temperature of 63 ° C. The spectrum was measured, the transmittance (%) at 370 to 430 nm: B was read, and the difference in transmittance before and after irradiation ⁇ T: BA (%) was calculated (Table 4).
- UH4150V ultraviolet-visible-infrared spectrophotometer
- the compounds 11 and 22 (benzo) triazole skeleton containing one or more 6-membered rings (aromatic hydrocarbons) in the condensed ring are used as the condensed ring).
- the difference in transmittance was 45% or less, which was excellent in light resistance.
- Compound 11 containing an oxygen-containing group in the 6-membered ring of Y 1 was excellent in light resistance, with a difference in transmittance of 10% or less.
- the compounds 13 (15% or less), 14 (5% or less) and 27 (10% or less) containing an unsaturated bond in the heterocycle are more transparent than the compound 15 not containing an unsaturated bond. It was confirmed that the difference in rates was small.
- compounds 14 (5% or less) and 27 (10% or less) having a heterocyclic ring of 2 or more have 6 members in the heterocycle than those of compound 13 (15% or less) having one heterocycle.
- Compound 14 (5% or less) containing two rings (aromatic hydrocarbon groups) was superior in light resistance to compound 27 (10% or less) containing one ring.
- compound 13 (15% or less), compound 14 (5% or less), and compound 27 (10%) containing a 5-membered ring in the heterocycle were more excellent in light resistance than compound 15 not containing a 5-membered ring. ..
- Compounds 17 (5% or less), 19 (5% or less), and 20 (5% or less) in which R 2 is a butyl group and R 4 is a methyl group in the formula (A) are any of R 2 and R 4 .
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Abstract
Description
[置換基等]
本発明において、置換基には「炭化水素基、不飽和基、窒素含有基、硫黄含有基、酸素含有基、リン含有基、及びハロゲン原子から選ばれる1価もしくは2価の基」等の、耐熱性、吸収特性、屈折率、融点、耐光性、樹脂に対する相溶性等を調整できる基が含まれ、例えば、次のものが挙げられる。
[1] 炭素数1~18の炭化水素基(アルケニル基、アルキニル基を含む炭素数2~18の炭化水素基を含む。)、ヒドロキシ基、炭素数6~18の芳香族炭化水素基、炭素数1~18のエーテル基、炭素数1~18のアルコキシ基、炭素数1~18のエステル基、(メタ)アクリロイルオキシ基、又は、それらの置換基が結合していてもよい炭素数1~20のポリオキシエチレン基、あるいはそれらの置換基で水素原子が置換されるか、基端が中断されるか炭素-炭素結合が中断されてもよい炭素数1~18の炭化水素基から選ばれる置換基を、2つ以上の場合は各々独立に、1つ以上含む。
[2] [1]において、置換基が炭素数1~10の炭化水素基、及びヒドロキシ基から選ばれる少なくとも1種である。
[3] [2]において、置換基が炭素数1~6の炭化水素基及びヒドロキシ基から選ばれる少なくとも1種である。
[4] [1]~[3]のいずれかにおいて、置換基の炭化水素基が直鎖又は分岐のアルキル基である。
[5] [4]において、置換基がメチル基、t-ブチル基及びヒドロキシ基から選ばれる少なくとも1種である。
[6] [5]において、置換基がメチル基、t-ブチル基及びヒドロキシ基から選ばれる少なくとも1種であり、かつヒドロキシ基は1つ以下である。
[7] [5]において、置換基としてメチル基を少なくとも1つ有する。
[8] [1]から[7]のいずれかにおいて、置換基の数が1~4個、好ましくは2~4個である。
[9] [1]から[8]のいずれかにおいて、R1~R4のいずれかの位置に置換基を有し、それ以外のR1~R5は水素原子である。
[10] [1]から[9]のいずれかにおいて、R1、R2、R4のいずれかの位置に置換基を有し、それ以外のR1~R5は水素原子である。
[11] [10]において、R1はヒドロキシ基、R2はt-ブチル基、R4はメチル基であり、R3、R5は水素原子である。
上記式(I)で表される結合基において、Xは窒素原子、酸素原子又はアミド基から水素原子を除いた残基を示し、lは0又は1の整数を示す。式(I)においてXがアミド基から水素原子を除いた残基の場合、-C(=O)-N<、又は>N-C(=O)-を示す。Y1は置換基を有していてもよい芳香族炭化水素基を示し、mはXが窒素原子又はアミド基から水素原子を除いた残基の場合1、酸素原子の場合0である。Y2は、水素原子、置換基を有していてもよい脂肪族炭化水素基又は置換基を有していてもよい芳香族炭化水素基を示す。
(1-1)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが酸素原子である。
(1-2)結合基は式(I)で表わされ、式(I)において、lは0又は1であり、lが1の場合、Xが窒素原子である。
(1-3)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1の分子量が190以上である。
(1-4)結合基は式(I)で表わされ、式(I)において、lが0又は1であり、lが1の場合はXが酸素原子で且つY1に酸素含有基を含む。
(1-5)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y2が水素原子又は置換基を有していてもよい芳香族炭化水素基である。
(1-6)結合基は式(I)で表わされ、式(I)において、Y1は、芳香族炭化水素基に置換基を有し、該置換基の基端がエステル基又はアミド基であり、lが0又は1であり、lが1の場合、Xが窒素原子である。
(1-7)結合基は式(I)で表わされ、式(I)において、Y1は、芳香族炭化水素基に置換基を有し、該置換基が水酸基及び(メタ)アクリロイル基から選ばれる少なくとも1種を含む。好ましくは、該置換基は、ヒドロキシアルキル基(炭素数は、例えば1~10)、(メタ)アクリロイル基、又は末端が(メタ)アクリロイル基で置換されたアルキル基(アルキル基の炭素数は、例えば1~10)である。
(1-8)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1は硫黄含有基に結合する2環式以上(上限は特に限定されないが、例えば4環式以下)の縮合環骨格を含む。縮合環骨格は、特に限定されないが、例えばベンゾトリアゾール骨格が挙げられる。好ましくは、Y1は、芳香族炭化水素基(好ましくはフェニル基)に置換基を有し、該置換基は、前記硫黄含有基を含む。より好ましくは、該置換基は、基端が前記硫黄含有基である。
(1-9)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1は、芳香族炭化水素基が2環式以上の縮合環であるか、あるいは芳香族炭化水素基に置換基を有し、該置換基が該芳香族炭化水素基と一緒になって環を形成する。
(2-1)結合基は式(II)で表わされ、式(II)において、複素環が多環式である(特に限定されないが、例えば2環式以上4環式以下)。
(3-1)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y2が水素原子であり、Y1に酸素含有基又は窒素含有基を有する。
(3-2)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y2が置換基を有していてもよい脂肪族炭化水素基又は置換基を有していてもよい芳香族炭化水素基である。
(3-3)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子又はアミド基から水素原子を除いた残基である。
(4-1)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が単環で置換基を有しない芳香族炭化水素基であり(好ましくはフェニル基)、Y2が水素原子又は置換基を有していてもよい脂肪族炭化水素基である。
(4-2)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が2環式以上の縮合環を含む(上限は特に限定されないが、例えば4環式以下)。縮合環は、前記芳香族炭化水素基を含むものであってもよく、前記芳香族炭化水素基の置換基に含まれるものであってもよい(後者の場合、例えばベンゾトリアゾール骨格が挙げられる。)。Y1は、好ましくはXの窒素原子に直接結合する2環式以上の縮合環を含む。縮合環は、好ましくは3環式以上である。好ましくは、縮合環は6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(より好ましくはフェニル基)である。
(4-3)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が縮合環を含み、縮合環は6員環を1個以上含む(特に限定されないが、縮合環は例えば2環式以上4環式以下)。縮合環は、前記芳香族炭化水素基を含むものであってもよく、前記芳香族炭化水素基の置換基に含まれるものであってもよい(後者の場合、例えばベンゾトリアゾール骨格が挙げられる。)。好ましくは、縮合環は6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(より好ましくはフェニル基)である。
(4-4)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が縮合環を含み(特に限定されないが、例えば2環式以上4環式以下)、縮合環に置換基として酸素含有基を含む。縮合環は、骨格に前記芳香族炭化水素基を含んでも含まなくてもよい。好ましくは、縮合環は、骨格に前記芳香族炭化水素基を含む。
(4-5)結合基は式(II)で表わされ、式(II)において、複素環が多環式である(特に限定されないが、例えば2環式以上4環式以下)。
(4-6)結合基は式(II)で表わされ、式(II)において、複素環が6員環を1個以上含む(特に限定されないが、例えば1環式以上4環式以下)。好ましくは、複素環が6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(好ましくはフェニル基)である。
(4-7)結合基は式(II)で表わされ、式(II)において、複素環が5員環を1個以上含む(特に限定されないが、例えば1環式以上4環式以下)。好ましくは、複素環が2環式以上である。
(4-8)結合基は式(I)で表わされ、式(I)において、lが0であり、Y1が置換基を有していてもよい芳香族炭化水素基(好ましくはフェニル基)である。好ましくは、Y1は置換基を有しないか、あるいは置換基として酸素含有基又は窒素含有基を有する。より好ましくは、Y1は置換基として酸素含有基を有する。
(4-9)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1は硫黄含有基に結合する2環式以上(上限は特に限定されないが、例えば4環式以下)の縮合環骨格を含む。縮合環骨格は、特に限定されないが、例えばベンゾトリアゾール骨格が挙げられる。好ましくは、Y1は、芳香族炭化水素基(好ましくはフェニル基)に置換基を有し、該置換基は、前記硫黄含有基を含む。より好ましくは、該置換基は、基端が前記硫黄含有基である。
(4-10)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1は、芳香族炭化水素基(好ましくはフェニル基)に置換基を有し、該置換基は、ヒドロキシ基を含み、好ましくはヒドロキシアルキル基である(炭素数は、例えば1~10)。
(4-11)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1は、芳香族炭化水素基(好ましくはフェニル基)に置換基を有し、該置換基は、(メタ)アクリロイル基を含み、好ましくは(メタ)アクリロイル基か、あるいは末端が(メタ)アクリロイル基で置換されたアルキル基である(アルキル基の炭素数は、例えば1~10)。
(5-1)結合基は式(I)で表わされ、式(I)において、lが0であり、Y1が置換基を有していてもよい芳香族炭化水素基(好ましくはフェニル基)である。
(5-2)結合基は式(II)で表わされ、式(II)において、式(II)の複素環が多環式である(特に限定されないが、例えば2環式以上4環式以下)。
(5-3)結合基は式(II)で表わされ、式(II)において、複素環が6員環を1個以上含む(特に限定されないが、例えば1環式以上4環式以下)。好ましくは、複素環が6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(より好ましくはフェニル基)である。
(5-4)結合基は式(II)で表わされ、式(II)において、複素環が5員環を1個以上含む(特に限定されないが、例えば1環式以上4環式以下)。好ましくは、複素環が2環式以上である。
(6-1)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が2環式以上の縮合環を含む(上限は特に限定されないが、例えば4環式以下)。縮合環は、前記芳香族炭化水素基を含むものであってもよく、前記芳香族炭化水素基の置換基に含まれるものであってもよい(後者の場合、例えばベンゾトリアゾール骨格が挙げられる。)。Y1は、好ましくはXの窒素原子に直接結合する2環式以上の縮合環を含む。縮合環は、好ましくは3環式以上である。好ましくは、縮合環は6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(より好ましくはフェニル基)である。
(6-2)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が6員環を1個以上含む縮合環骨格を有する(特に限定されないが、例えば2環式以上4環式以下)。好ましくは、Y1が骨格に前記芳香族炭化水素基を含む縮合環を有する。縮合環は、好ましくは6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(より好ましくはフェニル基)である。
(6-3)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1が縮合環を含み(特に限定されないが、例えば2環式以上4環式以下)、縮合環に置換基として酸素含有基を含む。縮合環は、骨格に前記芳香族炭化水素基を含んでも含まなくてもよい。好ましくは、縮合環は、骨格に前記芳香族炭化水素基を含む。
(6-4)結合基は式(II)で表わされ、式(II)において、複素環に不飽和結合(好ましくは二重結合)を含む。
(6-5)結合基は式(II)で表わされ、式(II)において、複素環が多環式である(特に限定されないが、例えば2環式以上4環式以下)。
(6-6)結合基は式(II)で表わされ、式(II)において、複素環が6員環を1個以上含む(特に限定されないが、例えば1環式以上4環式以下)。好ましくは複素環が6員環を2個以上含む。6員環は、好ましくは芳香族炭化水素基(より好ましくはフェニル基)である。
(6-7)結合基は式(II)で表わされ、式(II)において、複素環は、5員環を1個以上含む(特に限定されないが、例えば1環式以上4環式以下)。好ましくは、複素環が2環式以上である。
(6-8)結合基は式(I)で表わされ、式(I)において、lが0であり、Y1が置換基を有していてもよい芳香族炭化水素基(好ましくはフェニル基)である。好ましくは、Y1は置換基を有しないか、あるいは置換基として酸素含有基又は窒素含有基を有する。より好ましくは、Y1は置換基として酸素含有基又は窒素含有基を有する。
(6-9)結合基は式(I)で表わされ、式(I)において、lが1であり、Xが窒素原子であり、Y1は硫黄含有基に結合する2環式以上(上限は特に限定されないが、例えば4環式以下)の縮合環骨格を含む。縮合環骨格は、特に限定されないが、例えばベンゾトリアゾール骨格が挙げられる。好ましくは、Y1は、芳香族炭化水素基(好ましくはフェニル基)に置換基を有し、該置換基は、前記硫黄含有基を含む。より好ましくは、該置換基は、基端が前記硫黄含有基である。
本明細書において、組成物の用語には、固形状や流動状、ゲル状、ゾル状などその性状を問わず、本発明の紫外線吸収剤を含む組成物が包含され、部材の他、部材を製造するための原料も包含する。
部材の形状は特に限定されず任意の形状であってよく、例えば、コーティング、接着剤、粘着剤、柔軟性又は可撓性を持つフィルムあるいは剛性を持つ板状(プレート状)の部材、粉体状、粒状、ペレット状、タブレット状(錠剤状)の部材、マスターバッチ、成形品等が挙げられる。
[1]コーティング
具体的な適用例としては、樹脂、ガラス等の部材表面へのコーティングが挙げられる。コーティング方法は、特に限定されないが、例えば、本発明の紫外線吸収剤を混合、溶解、分散した樹脂、塗料、シリカ質材料、ガラス、溶剤分散液等を部材の表面に塗布、スプレー、成膜又は本発明の紫外線吸収剤を含む被膜を作製する方法が挙げられる。
[2]接着剤
具体的な適用例としては、特に限定されないが、例えば、種々の材料、部材に適用される有機系接着剤(有機樹脂、合成ゴム、澱粉、膠等)、無機系接着剤(シリカ、セラミック、セメント、ハンダ、水ガラス等)に本発明の紫外線吸収剤を混合、溶解、分散させた接着剤が挙げられる。
[3]粘着剤
具体的な適用例としては、特に限定されないが、例えば、種々の材料、部材に適用される粘着剤(有機樹脂、有機オリゴマー、有機樹脂モノマー、ゴム系粘着剤、澱粉、膠、シリコーン系粘着剤、シランカップリング剤系粘着剤等)に本発明の紫外線吸収剤を混合、溶解、分散させた粘着剤が挙げられる。
[4]フィルム
具体的な適用例としては、特に限定されないが、例えば、柔軟性又は可撓性を持つフィルム状の樹脂、ガラス、酸化ケイ素前駆体、に本発明の紫外線吸収剤を混合、溶解、分散させた部材が挙げられる。フィルムは、単層フィルムや、基材フィルム又は基板に、各種用途に応じた1層又は複数の層が設けられた多層フィルムやフィルム付き基板でもよく、複層のフィルムが設けられる場合にはその少なくとも1層に本発明の紫外線吸収剤が含有される。本発明の紫外線吸収剤を含有させたフィルム状の樹脂やガラス、ガラスを合わせたガラスの中間膜に使用することもできる。
[5]板
具体的な適用例としては、特に限定されないが、例えば、板状(プレート状)の樹脂、ガラスに本発明の紫外線吸収剤を混合、溶解、分散させた部材が挙げられる。
[6]粉体、粒、ペレット、タブレット(錠剤)
具体的な適用例としては、特に限定されないが、例えば、粉体状、粒状、ペレット状、タブレット状(錠剤状)の樹脂、ガラスに本発明の紫外線吸収剤を混合、溶解、分散させた部材が挙げられる。
[7]マスターバッチ
具体的な適用例としては、特に限定されないが、例えば、樹脂等に本発明の紫外線吸収剤、顔料等の着色料を必要に応じて混合、溶解、分散させた粒状、ペレット状等の樹脂組成物が挙げられる。他の樹脂等と溶融混合して使用される。
[8]成形品
具体的な適用例としては、特に限定されないが、例えば、樹脂、ガラスに本発明の紫外線吸収剤を混合、溶解、分散させて成形した物品が挙げられる。
本発明の紫外線吸収剤を含む組成物及び部材には各種添加剤、特に限定されないが、例えば、酸化防止剤、耐熱安定剤、耐候安定剤、光安定化剤、顔料、染料、充填剤、可塑剤、帯電防止剤、核剤、湿潤剤、防腐剤、防カビ剤、消泡剤、安定化剤、抗酸化剤、キレート剤等の添加剤、などを、その特性を悪化させない程度に含有させてもよい。
(1)紫外線吸収剤の合成
<中間体化合物の合成>
下記式で表される中間体1~5を合成した。
<中間体1>
下記式で表される配位子を合成した。
<配位子>
FT-IR:2975cm-1:O-H伸縮振動 1412cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 2.38(s, 3H, -CH 3), 5.98(s, 1H, NH), 7.05(t,1H), 7.14(s, 1H), 7.17(d, 1H), 7.21(d,2H), 7.35(t, 2H), 7.41(s, 1H), 7.80(t, 1H), 8.02(s, 1H), 11.72(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 97.9, 118.5, 119.0, 119.5, 122.5, 123.2, 128.1, 129.6 (CHarom), 125.6, 139.0, 141.9, 143.2, 144.1(C arom), 128.1(C arom-CH3), 139.1(-C arom-C-(CH3)3), 146.4(-C arom-OH)
FT-IR:2961cm-1:O-H伸縮振動 1448cm-1,1310cm-1:トリアゾール環伸縮振動 1034cm-1:C-O-C対称伸縮
1H-NMR (CDCl3:400MHz):δ1.48(s, 9H, -C-(CH 3)3), 2.37(s, 3H, -CH 3), 3.84(s, 3H, -CH 3), 5.76(s, 1H, -NH-), 6.93(d, 2H), 7.07(d, 1H), 7.12(s, 1H), 7.13(s, 1H), 7.19(d, 2H), 7.76(d, 1H), 7.99(s, 1H), 11.72(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 55.6(-O-CH3), 95.3, 114.9, 118.4, 119.0, 122.4, 123.8, 128.0 (CHarom), 125.6, 134.4, 138.7, 144.3, 145.3, 146.4, 156.3 (C arom), 128.1(C arom-CH3), 138.9(-C arom-C-(CH3)3)
FT-IR:2977cm-1:O-H伸縮振動 1569cm-1, 1373cm-1:N-O伸縮振動 1441cm-1,1322cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.50(s, 9H, -C-(CH 3)3), 2.39(s, 3H, -CH 3), 6.46(s, 1H, -NH-), 7.10(d, 2H), 7.19(s, 1H), 7.31(d, 1H), 7.69(s, 1H), 7.64(d, 1H), 8.06(d, 1H), 8.20(d, 2H), 11.67(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 105.6, 114.9, 119.2, 124.3, 126.2, 128.8 (CHarom), 119.3, 140.3, 146.7, 149.0 (C arom), 128.4(C arom-CH3), 139.2(-C arom-C-(CH3)3)
FT-IR:2953cm-1:O-H伸縮振動 1437cm-1,1396cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.47(s, 9H, -C-(CH 3)3), 2.36(s, 3H, -CH 3), 6.16(s, 1H, -NH-), 7.05(s, 1H), 7.12(s, 1H), 7.24(d, 1H), 7.47~7.55(m, 4H), 7.79(t, 1H), 7.81(d, 1H), 7.91(d, 1H), 7.99(s, 1H), 8.05(d,1H), 11.67(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.3(-C-(CH3)3), 97.7, 118.4, 119.0, 122.1, 122.7, 124.8, 126.0, 126.2, 126.4, 128.0, 128.6 (CHarom), 125.6, 134.8, 137.6, 144.1, 145.2. 146.4 (C arom), 128.6(C arom-CH3), 138.9(-C arom-C-(CH3)3)
FT-IR:2975cm-1:O-H伸縮振動 1412cm-1,1359cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 2.38(s, 3H, -C-CH 3), 3.42(s, 3H, -N-CH 3), 7.13~7.19(m, 6H), 7.36(t, 2H), 7.65(d, 1H), 8.02(s, 1H), 11.74(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 41.1(-N-CH3), 99.3, 117.3, 124.0, 128.0(CHarom), 125.6, 138.7, 144.3, 148.6, 148.7(C arom), 128.1(C arom-CH3), 138.9(-C arom-C-(CH3)3), 146.4(-C arom-OH)
FT-IR:2975cm-1:O-H伸縮振動 1412cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.48(s, 9H, -C-(CH 3)3), 2.37(s, 3H, -CH 3), 7.10(t, 2H),
7.13~7.16(m, 5H), 7.28~7.34(m, 6H), 7.75(d, 1H), 8.00(s, 1H), 11.63(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 107.3, 117.8, 119.1, 123.8, 125.0, 126.7, 128.3, 129.5 (CHarom), 125.3, 125.5, 128.1, 129.0, 139.7, 143.8, 147.4, 147.8(C arom), 128.2(C arom-CH3), 139.0(-C arom-C-(CH3)3), 146.5(-C arom-OH)
FT-IR:2978cm-1:O-H伸縮振動 1449cm-1,1375cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 18H, -C-(CH 3)3), 2.38 (s, 6H, -CH 3), 5.90(s, 2H, -NH-), 7.13~7.17(m, 4H), 7.24(s, 4H), 7.32(s, 2H), 7.81(d, 2H), 8.02(s, 2H), 11.71(s, 2H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 96.7, 118.5, 119.0, 122.1, 122.8, 128.1 (CHarom), 146.4 (C arom), 125.6(C arom-CH3), 139.0(-C arom-C-(CH3)3)
FT-IR:2949cm-1:O-H伸縮振動 1632cm-1:C=O伸縮振動 1455cm-1,1390cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.50(s, 9H, -C-(CH 3)3), 2.39(s, 3H, -CH 3), 2.68(s, 3H, -CH 3), 6.85(t, 1H), 7.16(s, 1H), 7.35(d, 1H), 7.40(t, 1H), 7.46(d, 1H), 7.73(s, 1H), 7.86~7.90(m, 2H), 8.05(s, 1H), 10.77(s, 1H, -NH-), 11.65(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 28.2(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 105.7, 115.0, 117.9, 118.5, 119.2, 126.1, 128.2, 128.5, 132.6, 134.7 (CHarom), 120.1, 125.5, 140.1, 140.2, 143.6, 146.6, 146.7 (C arom), 128.2(C arom-CH3), 139.1(-C arom-C-(CH3)3), 201.6(-(C=O)-)
FT-IR:2969cm-1:O-H伸縮振動 1743cm-1:C=O伸縮振動 1451cm-1,1359cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.50(s, 9H, -C-(CH 3)3), 2.39(s, 3H, -CH 3), 6.85(t, 1H), 7.16(s, 1H), 7.38(d, 1H), 7.39(t, 1H), 7.50(t, 2H), 7.56~7.61(m, 3H), 7.74~7.76(m, 3H), 7.88(d, 2H), 8.06(s, 1H), 10.24(s, 1H, -NH-), 11.66(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 104.0, 115.9, 118.1, 118.6, 119.2, 125.4, 128.2, 128.4, 129.6, 131.8, 134.2, 134.9 (CHarom), 121.3, 125.6, 139.4, 139.9, 140.6, 143.7, 146.5, 146.6 (C arom), 128.2(C arom-CH3), 139.1(-C arom-C-(CH3)3), 199.2(-(C=O)-)
FT-IR:2974cm-1:O-H伸縮振動 1639cm-1:C=O伸縮振動 1412cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 2.38(s, 3H, -CH 3), 7.14~7.17(m, 2H), 7.24(d,2H), 7.37(d, 1H), 7.52(t, 2H), 7.58(t, 1H), 7.64(d, 2H), 7.79~7.82(m, 2H), 7.90(d, 2H), 8.02(s, 1H), 11.71(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 97.4, 118.5, 119.0, 120.6, 121.8, 122.9, 127.0, 128.1, 128.8, 131.9(CHarom), 125.6, 132.9, 135.0, 138.5, 139.0, 143.5, 144.1(C arom), 139.0(-C arom-C-(CH3)3), 146.4(-C arom-OH), 165.6(-CONH-)
FT-IR:2970cm-1:O-H伸縮振動 1742cm-1:C=O伸縮振動 1437cm-1,1359cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.51(s, 9H, -C-(CH 3)3), 2.40(s, 3H, -CH 3), 7.19(s, 1H), 7.44(d, 1H), 7.61(t, 1H), 7.74(d, 1H), 7.76~7.84(m, 4H), 7.96(d, 2H), 8.08(d, 2H), 8.31(d, 1H), 8.35(d, 1H), 11.59(s, 1H, -NH-), 11.61(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 108.4, 118.7, 118.9, 119.3, 120.3, 126.3, 127.0, 128.8, 1336, 134.2, 135.2 (CHarom), 133.1, 134.7, 134.9, 139.2, 140.6, 143.5, 146.7, 148.3 (C arom), 128.3(C arom-CH3), 139.1(-C arom-C-(CH3)3), 185.9(-(C=O)-)
FT-IR: 2957cm-1:O-H伸縮振動 1649cm-1:C=O伸縮振動 1440cm-1,1360cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.50(s, 9H, -C-(CH 3)3), 2.39(s, 3H, -CH 3), 7.18(s, 1H), 7.51~7.56 (m, 3H), 7.59(t, 1H), 7.91~7.94(m, 3H), 7.98(s, 1H), 8.08(s, 1H), 8.50(a, 1H), 11.65(s, 1H, -NH-)
13C-NMR (CDCl3:400MHz): δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 106.4, 118.3, 119.4, 123.0, 127.1, 128.7, 130.0, 132.2 (CHarom), 125.5, 134.7, 137.0, 140.3, 143.2(C arom), 128.3(C arom-CH3), 139.2(-C arom-C-(CH3)3), 146.7(-C arom-OH), 165.9(-CONH-)
物を再結晶により精製し、目的物を黄色固体として得た。
FT-IR:2975cm-1:O-H伸縮振動 1412cm-1,1358cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.50(s, 9H, -C-(CH 3)3), 2.40(s, 3H, -CH 3), 6.23(t, 2H), 7.19~7.20(m, 3H), 7.62(d, 1H), 7.84(s, 1H), 7.99(d, 1H), 8.08(s, 1H), 11.58(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 106.8, 111.2, 118.9, 119.4, 119.8, 123.1, 129.0(CHarom), 125.4, 140.0, 141.0, 143.1(C arom), 128.4(C arom-CH3), 139.2(-C arom-C-(CH3)3), 146.8(-C arom-OH)
FT-IR:2975cm-1:O-H伸縮振動 1402cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.52(s, 9H, -C-(CH 3)3), 2.42(s, 3H, -CH 3), 7.23(s, 1H), 7.34(t, 2H), 7.43~7.50(d, 4H), 7.69(d, 1H), 8.13~8.16(m, 5H), 11.61(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ21.0(-CH3), 29.6(-C-(CH3)3), 35.5(-C-(CH3)3), 109.8, 115.1, 119.2, 119.5, 120.5, 120.5, 126.2, 127.6, 129.2(CHarom), 123.7, 125.4, 137.0, 140.8, 141.7, 143.2(C arom), 128.5(C arom-CH3), 139.3(-C arom-C-(CH3)3), 146.9(-C arom-OH)
FT-IR:2975cm-1:O-H伸縮振動 1401cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 1.62~1.67(m, 2H,-N-CH2-CH2-CH 2-). 1.77(quin, 4H, -N-CH2-CH 2-CH2-), 2.37(s, 3H, -CH 3), 3.25(t, 4H, -N-CH 2-CH2-CH2-), 7.06(s, 1H), 7.13(s, 1H), 7.31(d, 1H), 7.74(d, 2H), 8.01(s, 1H), 11.75(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 24.2(-N-CH2-CH2-CH2-), 25.8(-N-CH2-CH2-CH2-), 29.6(-C-(CH3)3), 35.3(-C-(CH3)3), 51.2(-N-CH2-CH2-CH2-), 98.1, 117.5, 119.0, 123.9, 127.9(CHarom), 125.7, 128.0, 138.5, 144.3, 152.2(C arom), 127.9(C arom-CH3), 138.9(-C arom-C-(CH3)3), 147.3(-C arom-OH)
FT-IR:2974cm-1:O-H伸縮振動 1643cm-1:C=O伸縮振動 1402cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 2.38(s, 3H, -CH 3), 7.14~7.16(m, 3H), 7.26(s,1H), 7.30(d, 1H), 7.52(t, 2H), 7.58(t, 1H), 7.70(d, 2H), 7.84(s, 1H, CONH), 7.90(m, 3H), 8.03(s, 1H), 11.58(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 102.1, 119.0, 119.2, 120.5, 122.1, 122.5, 127.0, 128.6, 128.9, 132.0(CHarom), 125.5, 134.4, 134.9, 139.7, 143.3, 152.7, 157.7(C arom), 128.2(C arom-CH3), 139.1(-C arom-C-(CH3)3), 146.6(-C arom-OH), 165.7(-CONH-)
FT-IR:2962cm-1:O-H伸縮振動 1443cm-1,1392cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.51(s, 9H, -C-(CH 3)3), 2.40(s, 3H, -CH 3), 7.19(s, 1H), 7.42(t, 1H), 7.51(t, 2H), 7.69(d, 2H), 7.75(d, 1H), 7.99(d, 1H), 8.08(s, 1H), 8.12(s, 1H), 11.77(s, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 114.9, 117.7, 119.4, 127.5, 127.9, 128.4, 128.8, 129.0(CHarom), 125.5, 140.6, 141.0, 142.2, 143.3(C arom), 128.3(C arom-CH3), 139.2(-C arom-C-(CH3)3), 146.8(-C arom-OH)
FT-IR:2959 cm-1:O-H伸縮振動 1457cm-1,1370 cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.41(s, 9H, -C-(CH 3)3), 1.53(s, 9H, -C-(CH 3)3), 7.42~7.44(m, 2H), 7.51(t, 2H), 7.70(d, 2H), 7.76(d, 1H), 8.00(d, 1H), 8.10(s, 1H), 8.31(s, 1H), 11.78(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ29.6, 31.5(-C-(CH3)3), 34.6, 35.7 (-C-(CH3)3) 114.9, 116.1, 117.8, 125.2, 127.5, 127.9, 128.3, 129.0(CHarom), 125.3, 140.7, 140.8, 142.2, 143.3(C arom), 138.6, 141.7(-C arom-C-(CH3)3), 146.7(-C arom-OH)
FT-IR:2866cm-1:O-H伸縮振動 1716cm-1:C=O伸縮振動 1447cm-1,1357cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.51(s, 9H, -C-(CH 3)3), 2.40(s, 3H, -CH 3), 5.41(s, 2H, -CH 2-), 7.20(s, 1H), 7.40~7.44(m, 3H), 7.48(d,2H), 7.75(d, 3H), 8.00(d, 2H), 8.11(d, 2H), 8.21(d, 2H), 11.68(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 115.6, 118.1, 119.5, 128.3, 128.7, 129.0, 130.5(CHarom), 66.9, 127.5, 128.0, 128.2, 136.1, 143.2, 145.1 (C arom), 128.2(C arom-CH3), 139.3(-C arom-C-(CH3)3), 146.9(-C arom-OH), 167.0(-COO-)
FT-IR:2952cm-1:O-H伸縮振動 1656cm-1:C=O伸縮振動 1441cm-1,1355cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400 MHz):δ1.51(s, 9H, -C-(CH 3)3), 2.41(s, 3H, -CH 3), 7.21(s, 1H, CONH), 7.12~7.21(m, 1H), 7.41(t,1H), 7.68(d, 2H), 7.77(d, 1H), 7.83(m, 3H), 8.05(m, 3H), 8.15(d, 2H), 11.67(s, 1H, -OH)
13C-NMR (CDCl3:400 MHz):δ20.9(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 115.6, 119.5, 119.5, 120.5, 127.5, 128.2, 128.7, 129.0, 130.5, 136.0 (CHarom)66.9, 125.5, 134.4, 134.9, 139.3, 139.7, 143.3, 145.1, 157.7(Carom), 128.4(C arom-CH3), 139.3(-C arom-C-(CH3)3), 146.9(-C arom-OH), 166.2(-CONH-)
FT-IR:2974cm-1:O-H伸縮振動 1454cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.47(s, 9H, -C-(CH 3)3), 2.34(s, 6H, -CH 3), 2.36(s, 3H, -CH 3), 7.05(d, 4H), 7.06~7.12 (m, 5H), 7.26(m, 1H), 7.70(d, 1H), 7.99(s, 1H), 11.66(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 105.4, 117.5, 119.0, 125.3, 126.2, 128.1, 130.1(CHarom), 125.6, 133.6, 138.9, 143.9, 144.9, 148.2(C arom), 128.1(C arom-CH3), 139.4(-C arom-C-(CH3)3), 146.5(-C arom-OH)
FT-IR:2974cm-1:O-H伸縮振動 1428cm-1,1359cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.48(s, 9H, -C-(CH 3)3), 1.49(s, 9H, -C-(CH 3)3), 2.37(s, 3H, -CH 3), 2.38(s, 3H, -CH 3), 6.12(s, 1H, -NH-), 7.16(s, 2H), 7.21~7.27 (m, 3H), 7.36(dd, 1H), 7.51~7.56(m, 4H), 7.82(d, 1H), 7.86(d,1H), 8.34(s, 2H), 11.59(s, 1H, -OH), 11.66(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 100.5, 114.4, 117.8, 118.7, 119.0, 119.1, 119.3, 123.6, 128.4, 128.5, 128.7, 136.0(CHarom), 123.7, 125.4, 125.5, 139.0, 139.1, 141.4, 141.7, 143.3, 143.8(C arom), 128.2, 128.3(C arom-CH3), 139.47, 139.51(-C arom-C-(CH3)3), 146.5, 146.7(-C arom-OH)
FT-IR:3219cm-1,3034cm-1:O-H伸縮振動 1441cm-1,1373cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.48(s, 9H, -C-(CH 3)3), 2.36(s, 3H, -CH 3), 4.75(s, 1H, -OH), 5.74(s, 1H, -NH-), 6.86(d,2H), 7.05~7.15 (m, 5H), 7.75(d, 1H), 7.99(s, 1H), 11.71(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ20.9(-CH3), 29.5(-C-(CH3)3), 35.3(-C-(CH3)3), 95.2, 116.3, 118.4, 122.4, 123.9, 128.0(CHarom), 125.6, 134.5, 138.7, 144.2, 145.2, 152.1(C arom), 128.1(C arom-CH3), 138.9(-C arom-C-(CH3)3), 146.4(-C arom-OH)
FT-IR:3237cm-1,3042cm-1:O-H伸縮振動 1453cm-1,1375cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz): δ1.42(t, 1H, -OH), 1.49(s, 9H, -C-(CH 3)3), 2.37(s, 3H, -CH 3), 2.87(t, 2H, -CH 2-), 3.88(q, 2H, -CH 2-), 5.92(s, 1H, -NH-), 7.16~7.23 (m, 6H), 7.36(s, 1H), 7.79(d, 1H), 8.01(s, 1H), 11.70(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 38.6, 63.8(-CH2-), 93.74, 118.5, 119.0, 120.1, 123.0, 128.1, 130.1(CHarom), 125.6, 132.8, 138.9, 139.0, 140.3, 143.5, 144.1, 148.2(C arom) 146.4(-C arom-OH)
FT-IR:3043cm-1:O-H伸縮振動 1755cm-1:C=O伸縮振動 1444cm-1,1375cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 2.08(s, 3H, -CH 3), 2.37(s, 3H, -CH 3), 5.77(s, 1H), 5.95(s, 1H, -NH-), 6.37(s, 1H), 7.10~7.23 (m, 6H), 7.37(s, 1H), 7.80(d, 1H), 8.02(s, 1H), 11.68(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ18.4, 20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 97.8, 118.6, 119.0, 120.6, 122.6, 123.0, 128.2(CHarom), 125.6(=CH2), 135.9, 139.0, 139.1, 143.3, 144.0, 146.0, 146.4(C arom), 127.2(C arom-CH3), 139.5(-C arom-C-(CH3)3), 166.1(-CO-)
FT-IR:3041cm-1:O-H伸縮振動 1762cm-1:C=O伸縮振動 1451cm-1,1353cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.49(s, 9H, -C-(CH 3)3), 1.95(s, 3H, -CH 3), 2.37(s, 3H, -CH 3), 2.98(t, 2H, -CH 2-), 4.36(t, 2H, -CH 2-), 5.57(s,1H), 5.92(s, 1H, -NH-), 6.11(s, 1H), 7.13~7.17 (m, 4H), 7.23(d, 2H), 7.36(s, 1H), 7.79(d, 1H), 8.01(s, 1H), 11.69(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ18.3, 20.9(-CH3), 29.5(-C-(CH3)3), 34.5, 65.3(-CH2-), 35.6(-C-(CH3)3), 97.4, 118.5, 119.0, 119.9, 123.1, 130.1(CHarom), 125.5(=CH2), 132.3, 136.4, 138.9, 140.3, 143.4, 144.1, 146.4(C arom), 128.1(C arom-CH3), 139.0(-C arom-C-(CH3)3), 166.1(-CO-)
FT-IR:2976cm-1:O-H伸縮振動 1437cm-1,1372cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.51(s, 9H, -C-(CH 3)3), 2.41(s, 3H, -CH 3), 6.76(d, 1H), 7.21~7.28 (m, 3H), 7.44(d, 1H), 7.64~7.74(m, 3H), 8.00(s, 1H), 8.07(d, 1H), 8.12(s, 1H), 11.60(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ21.0(-CH3), 29.6(-C-(CH3)3), 35.4(-C-(CH3)3), 104.6, 110.5, 111.3, 119.0, 119.5, 120.9, 121.4, 122.8, 125.8, 127.9, 129.1(CHarom), 125.4, 129.5, 135.9, 139.1, 141.2, 143.1(C arom), 128.5(C arom-CH3), 139.3(-C arom-C-(CH3)3), 146.8(-C arom-OH)
FT-IR:2957cm-1:O-H伸縮振動 1465cm-1,1310cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.55(s, 9H, -C-(CH 3)3), 2.41(s, 6H, -CH 3), 6.39(d, 2H), 6.87~6.94(m, 4H), 7.11(d, 2H), 7.21(s, 1H), 7.45(d, 1H), 7.95(s, 1H), 8.12(m, 2H), 11.66(s, 1H, -OH)
13C-NMR (CDCl3:400MHz): δ20.9(-CH3), 29.5(-C-(CH3)3), 35.4(-C-(CH3)3), 117.4, 117.6, 119.5, 119.9, 123.3, 127.0, 127.2, 129.1, 129.9(CHarom), 122.1, 125.4, 140.8, 141.7, 143.8, 146.8(C arom), 128.5(C arom-CH3), 139.3(-C arom-C-(CH3)3)
FT-IR:2975cm-1:O-H伸縮振動 1401cm-1,1370cm-1:トリアゾール環伸縮振動
1H-NMR (CDCl3:400MHz):δ1.24(t, 6H, -CH2-CH 3), 1.50(s, 9H, -C-(CH 3)3), 2.38(s, 3H, -CH 3), 2.46(q, 4H, -CH 2-CH3) 6.77(s, 1H), 7.11(s, 1H), 7.14(d, 1H), 7.73(d, 2H), 8.00(s, 1H), 11.87(s, 1H, -OH)
13C-NMR (CDCl3:400MHz):δ12.6(-N-CH2-CH3), 20.9(-CH3), 29.6(-C-(CH3)3), 35.3(-C-(CH3)3), 45.0(-N-CH2-CH3), 92.1, 117.8, 118.9, 119.7, 127.6(CHarom), 117.6, 123.7, 137.1, 145.0, 146.3(C arom), 127.9(C arom-CH3), 138.4(-C arom-C-(CH3)3), 147.6(-C arom-OH)
本発明の化合物について、示差熱熱重量同時測定装置(SII社製、TG/DTA6200)を用いて、昇温温度:10℃/min、測定範囲:25℃~550℃で重量変化の測定を行い、重量変化(TG)が5重量%減少した温度を読み取った(表1A-D)。
化合物1、2、4~6、8~21、23~27、29~31をクロロホルム100μM、化合物3、7、22をクロロホルム50μMで希釈して10mm石英セルに収容し、紫外可視赤外分光光度計(日立ハイテクサイエンス製UH4150V)を用いて吸収スペクトルを測定し、それらのスペクトルから、350~430nmの波長領域の最大吸収ピークの波長(最大吸収波長:λmax)を読み取った(表1A-D)。また、それらピークのモル吸光係数(最大モル吸光係数:εmax)を下記式により求めた(表1A-D)。
モル吸光係数:εmax(L/(mol・cm))=A:吸光度/[c:モル濃度(mol/L)×l:セルの光路長(cm)]
|350~430nmの波長領域にある最大吸収ピークの長波長側の傾き|=|(ピークエンドの吸光度-350~430nmの波長領域にある最大吸収ピークの吸光度)/(ピークエンドの吸収波長-350~430nmの波長領域にある最大吸収ピークの波長)|
化合物1~27、29~31を表1に示すようにクロロホルム30~2000μMの所定の濃度で希釈して、10mm石英セルに収容し、紫外可視赤外分光光度計(日立ハイテクサイエンス製UH4150V)を用いて透過スペクトルを測定し、それらのスペクトルから、400~450nmの透過率を読み取った(表1A-D)。
熱可塑性樹脂として、(メタ)アクリル系樹脂としてポリメタクリル酸メチル、エステル系樹脂としてポリエチレンテレフタレート、スチレン系樹脂としてポリスチレン、ポリカーボネート系樹脂としてポリカーボネート、アクリロニトリル-ブタジエン-スチレン系共重合体として、アクリロニトリル-ブタジエン-スチレン共重合体、シクロオレフィン系樹脂としてシクロオレフィンポリマーを用い、熱硬化性樹脂として、アクリルメラミン系樹脂としてアクリルメラミン樹脂、尿素系樹脂として尿素樹脂、メラミン系樹脂としてメラミン樹脂を用いて相溶性を確認した。
本発明の化合物のフィルム、樹脂部材に対する相溶(透明性)を下記方法で確認した(表2)。
(ポリメタクリル酸メチルフィルムの作製)
化合物17、18それぞれ0.1g、ポリメタクリル酸メチル0.1g、クロロホルム4gを均一に混合した後、スライドガラスに滴下し、45℃のオーブン中で2時間加熱し、溶媒を除去することにより作製した。
化合物17、18それぞれ4.5mgをTHF0.1mLに溶解させ、焼付乾燥型上塗塗料(アクリサイトUB-63クリヤー:斎藤塗料株式会社製)0.1mLと混合し、1.5×1.5cmのスライドガラス上に0.2mL塗布した。このスライドガラスをオーブン内で30分かけて25℃から150℃まで昇温した後、150℃で2時間静置することにより、10wt%の化合物を含むアクリルメラミン樹脂フィルムを作製した。
評価基準
○:ブランク試料と比べ同等の透明性を有する
△:ブランク試料と比べ僅かに曇りがある
×:ブランク試料と比べひどく曇りがある
本発明の化合物のフィルム、樹脂部材に対する相溶(透明性)を下記方法で確認した(表3)。
(ポリメタクリル酸メチルフィルムの作製)
化合物14、29、または31を0.001g、ポリメタクリル酸メチル0.099g、クロロホルム12gを均一に混合し、その約1mLを1500rpm、20秒の条件でガラス基板上にスピンコートし、その後45℃のオーブン中で2時間溶媒を除去することにより、膜厚50~300μmの化合物14、29、または31を1wt%含むアクリルフィルムを作製した。
化合物14、29、または31を0.0004g、ポリエチレンテレフタレートチップ0.0396gを280℃で混練し、これをスライドガラス基板上に塗布し、空冷することで、膜厚20~200μmの化合物14、29、または31を1wt%含むポリエチレンテレフタレートフィルムを作製した。
化合物14、29、または31を0.001g、ポリスチレン樹脂(関東化学)0.099g、クロロホルム4gを均一に混合した後、クロロホルムを2~3g程度濃縮させ、これをスライドガラスに50μL塗布し、その後45℃のオーブン中で2時間溶媒を除去することにより、膜厚10~50μmの化合物14、29、または31を1wt%含むポリスチレンフィルムを作製した。
化合物14、29、または31を0.001g、ポリカーボネート樹脂(関東化学)0.099g、クロロホルム4gを均一に混合した後、クロロホルムを2~3g程度濃縮させ、これをスライドガラスに25μL塗布し、その後45℃のオーブン中で2時間溶媒を除去することにより、膜厚10~50μmの化合物14、29または31を1wt%含むポリカーボネートフィルムを作製した。
化合物14、29、または31を0.001g、ABS樹脂(トヨラック950-X01:東レ)0.099g、クロロホルム20gを均一に混合した後、クロロホルムを濃縮し、これをスライドガラスに25μL滴下し、その後45℃のオーブン中で2時間溶媒を除去することにより、膜厚10~50μmの化合物14、29または31を1wt%含むABSフィルムを作製した。
37wt%ホルムアルデヒド液1mL、尿素0.25g、酢酸アンモニウム0.16gを溶解し、モノマー溶液を作成した。次に、THF20mLに化合物14、29、または31を0.007g溶解させ、その0.2mLとモノマー溶液0.1mLとを均一に混合し、1.5×1.5cmのスライドガラスに0.3mL塗布した。このスライドガラスをオーブンに入れ、150℃で5時間加熱することにより、膜厚40~80μmの化合物14、29、または31を1wt%含む尿素樹脂フィルムを作製した。
水酸化ナトリウムでpH7.5に調製したホルムアルデヒド液5.15gにメラミン1g及び水24.60gを添加、加熱反応し、ヘキサメチロールメラミン溶液を作成した。次に、THF0.1mLに実施例14、29、または31の化合物を0.0057g溶解させ、ヘキサメチロールメラミン溶液0.2mLと均一に混合し、1.5×1.5cmのスライドガラスに0.3mL塗布した。このスライドガラスをオーブンに入れ、150℃で5時間反応することにより、膜厚10~50μmの化合物14、29、または31を1wt%含むメラミン樹脂フィルムを作製した。
フィルム化した際、化合物14、29または31の濃度が1wt%となるように、THF1mLに化合物14、29または31を0.0045g溶解させ、その0.1mLと焼付乾燥型上塗塗料(焼付乾燥型上塗料(アクリルメラミン):アクリサイトUB-63クリヤー 斎藤塗料株式会社製)0.1mLとを均一に混合し、1.5×1.5cmにスライドガラスへ0.2mL塗布した。このスライドガラスをオーブンに入れ、150℃で2時間加熱することにより、膜厚100~150μmの化合物14、29または31を1wt%含むアクリルメラミン樹脂フィルムを作製した。
化合物14、29、または31を0.001g、COP樹脂0.099gを280℃で混練し、これをスライドガラス基板上に塗布し、空冷することで、膜厚20~200μmの化合物14、29、または31を1wt%含むCOPフィルムを作製した。
評価基準
○:ブランク試料と比べ同等の透明性を有する
△:ブランク試料と比べ僅かに曇りがある
×:ブランク試料と比べひどく曇りがある
マッフル炉を用いて、2-フェニルベンゾトリアゾール誘導体に硫黄含有基を導入した化合物(2-(2´-ヒドロキシ-3´-tert-ブチル-5´-メチルフェニル)-5-オクチルチオベンゾトリアゾール)及び、上記式(I)、(II)で表される結合基を導入した化合物1~20について、350℃にて10分間加熱し、臭気の確認を行った。
2.5wt%アクリル樹脂クロロホルム溶液に、化合物8、13、14、17、18、27を重量比(樹脂:化合物)が1:1、化合物9、15、19、31を重量比(樹脂:化合物)が2:1、化合物11を重量比(樹脂:化合物)が3:1、化合物20を重量比(樹脂:化合物)が4:1、化合物7、10、22を重量比(樹脂:化合物)が6:1、となるように添加し、スピンコーター(ミカサ製MS-B150)で、回転数1500rpm、15秒の条件で薄膜化、有機溶剤を留去し、薄膜を作製した。その薄膜を紫外可視赤外分光光度計(日立ハイテクサイエンス製UH4150V)で紫外-可視透過スペクトルを測定し、370~430nmの初期(照射前)の紫外線透過率(%):Aを読み取った。その後、紫外線照射装置(アトラス製ウエザオメーターCi3000+w)を用い、波長300~400nm、照度42W/m2、ブラックパネル温度63℃の条件で紫外線を照射し、照射時間100時間後に、紫外-可視透過スペクトルを測定し、370~430nmの透過率(%):Bを読み取り、照射前後での透過率の差ΔT:B-A(%)を算出した(表4)。
反応性の官能基を有する化合物について、イソシアネート化合物との反応性試験を行った。
上記式(A)に反応性の置換基を含む化合物は、有機材料と結合し、ブリードアウト等の防止、有機材料の強度の確保等に優れることを確認した。
Claims (26)
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが0又は1であり、lが1の場合、Xが窒素原子である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y1の分子量が190以上である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが0又は1であり、lが1の場合はXが酸素原子で且つY1に酸素含有基を含む、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y2が水素原子又は置換基を有していてもよい芳香族炭化水素基である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、Y1は、芳香族炭化水素基に置換基を有し、該置換基の基端がエステル基又はアミド基であり、lが0又は1であり、lが1の場合、Xが窒素原子である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y1は、芳香族炭化水素基が2環式以上の縮合環であるか、あるいは芳香族炭化水素基に置換基を有し、該置換基が該芳香族炭化水素基と一緒になって環を形成する、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y2が水素原子であり、Y1に酸素含有基又は窒素含有基を有する、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y2が置換基を有していてもよい脂肪族炭化水素基又は置換基を有していてもよい芳香族炭化水素基である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子又はアミド基から水素原子を除いた残基である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y1は、Xの窒素原子に直接結合する2環式以上の縮合環を含む、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y1は硫黄含有基に結合する2環式以上の縮合環を含む、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが1であり、Xが窒素原子であり、Y1は、芳香族炭化水素基に反応性の置換基を有する、請求項1に記載の紫外線吸収剤
- 前記結合基は前記式(I)で表わされ、前記式(I)において、lが0であり、Y1は、置換基を有しないか、あるいは置換基として酸素含有基又は窒素含有基を有する、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(II)で表わされ、前記式(II)において、複素環が5員環を1個以上含む、請求項1に記載の紫外線吸収剤。
- 複素環が2環式以上である、請求項15に記載の紫外線吸収剤。
- 前記結合基は前記式(II)で表わされ、前記式(II)において、複素環が多環式である、請求項1に記載の紫外線吸収剤。
- 前記結合基は前記式(II)で表わされ、前記式(II)において、複素環が6員環を1個以上含む、請求項1又は17に記載の紫外線吸収剤。
- 前記6員環がフェニル環である、請求項18に記載の紫外線吸収剤。
- 前記式(A)において、R7又はR8に前記式(I)又は(II)で表される結合基を有し、R1、R2、R3、R4、R5は、少なくとも1つが、2つ以上の場合は各々独立に炭素数1~10の炭化水素基及びヒドロキシ基から選ばれるいずれかである、請求項20に記載の紫外線吸収剤。
- R1、R2、R3、R4、R5は、少なくとも1つが、2つ以上の場合は各々独立にメチル基、t-ブチル基及びヒドロキシ基から選ばれるいずれかである、請求項21に記載の紫外線吸収剤。
- R1、R2、R3、R4、R5は、少なくとも1つがメチル基である、請求項22に記載の紫外線吸収剤。
- R1~R9は、少なくとも1つが反応性の置換基を有する、請求項21~23のいずれか一項に記載の紫外線吸収剤。
- 請求項1~24のいずれか一項に記載の紫外線吸収剤と、有機材料又は無機材料とを含む、有機材料又は無機材料組成物。
- 請求項1~24のいずれか一項に記載の紫外線吸収剤と、有機樹脂とを含む、有機樹脂組成物。
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| US17/439,716 US12252474B2 (en) | 2019-04-26 | 2020-04-27 | Ultraviolet absorber having excellent heat resistance and long-wavelength absorption |
| EP20796209.3A EP3960831A4 (en) | 2019-04-26 | 2020-04-27 | Ultraviolet absorber having excellent heat resistance and long-wavelength absorption |
| CN202080029473.8A CN113728070B (zh) | 2019-04-26 | 2020-04-27 | 耐热性优异和长波长吸收优异的紫外线吸收剂 |
| KR1020217029542A KR102797624B1 (ko) | 2019-04-26 | 2020-04-27 | 내열성과 장파장 흡수가 우수한 자외선 흡수제 |
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| CN113728070B (zh) | 2024-03-08 |
| JP7506663B2 (ja) | 2024-06-26 |
| EP3960831A1 (en) | 2022-03-02 |
| EP3960831A4 (en) | 2023-01-11 |
| JPWO2020218609A1 (ja) | 2020-10-29 |
| US12252474B2 (en) | 2025-03-18 |
| KR20220002262A (ko) | 2022-01-06 |
| CN113728070A (zh) | 2021-11-30 |
| US20220162174A1 (en) | 2022-05-26 |
| KR102797624B1 (ko) | 2025-04-21 |
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