WO2015064360A1 - 含フッ素重合体およびこれを有効成分とする表面改質剤 - Google Patents
含フッ素重合体およびこれを有効成分とする表面改質剤 Download PDFInfo
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- WO2015064360A1 WO2015064360A1 PCT/JP2014/077395 JP2014077395W WO2015064360A1 WO 2015064360 A1 WO2015064360 A1 WO 2015064360A1 JP 2014077395 W JP2014077395 W JP 2014077395W WO 2015064360 A1 WO2015064360 A1 WO 2015064360A1
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
- C08L33/16—Homopolymers or copolymers of esters containing halogen atoms
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1807—C7-(meth)acrylate, e.g. heptyl (meth)acrylate or benzyl (meth)acrylate
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- C08F220/22—Esters containing halogen
- C08F220/24—Esters containing halogen containing perhaloalkyl radicals
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/62—Monocarboxylic acids having ten or more carbon atoms; Derivatives thereof
- C08F220/68—Esters
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C09J201/00—Adhesives based on unspecified macromolecular compounds
- C09J201/02—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
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- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Definitions
- the present invention relates to a fluorine-containing polymer and a surface modifier containing this as an active ingredient. More specifically, a fluoropolymer that is a copolymer of a (meth) acrylic acid derivative containing a perfluoroalkyl group having 6 or less carbon atoms, which is said to have low bioaccumulation, and surface modification using this as an active ingredient. It relates to the quality agent.
- perfluoroalkyl alcohols which are acrylated precursors, are widely used as surfactants and the like. (See Patent Document 1)
- Patent Document 2 the expression of the water and oil repellency of the perfluoroalkyl group [Rf] -containing (meth) acrylate in the surface treatment agent of the base material is caused by the orientation of the Rf group in the treated film, and the Rf group is further oriented. In order to do so, it is necessary that the melting point of microcrystals derived from the Rf group (carbon number of 8 or more) is present, and therefore a perfluoroalkyl group containing a perfluoroalkyl group having a carbon number of 8 or more (meta) It is stated that acrylates have been used.
- telomer compounds currently used as raw materials for surface modifiers such as water and oil repellents
- compounds having a perfluoroalkyl group having 8 or more carbon atoms may become PFCA in the environment. In the future, it will be difficult to manufacture and use it.
- compounds having a perfluoroalkyl group having 6 or less carbon atoms it is said that the bioaccumulation is low, but in compounds having a perfluoroalkyl group having 6 or less carbon atoms, surface modifiers, etc. It is said that it is difficult to obtain the performance required for the product.
- fluorine-containing copolymers using perfluoroalkyl (meth) acrylates which are commonly used as surface modifiers such as mold release agents and oil barrier agents, are satisfactory in adhesion to substrates.
- surface modifiers such as mold release agents and oil barrier agents
- An object of the present invention is to provide a fluoropolymer comprising a copolymer of a polyfluoroalkyl alcohol (meth) acrylic acid derivative having a perfluoroalkyl group having 6 or less carbon atoms, which is said to have low bioaccumulation potential, and effectively
- An object of the present invention is to provide a surface modifying agent as a component, which has excellent adhesion to a substrate as a surface modifying agent and has improved processing durability.
- n is preferably an integer of 2 to 4
- a is an integer of 1 to 2
- b is 1 from the viewpoint of the stability of the polymerization solution during polymerization, solubility, and polymerization rate.
- Is an integer of 3
- c is an integer of 1 to 2.
- the fluorine-containing polymer that is a copolymer of the polyfluoroalkyl alcohol (meth) acrylic acid derivative according to the present invention is a specific crosslink when used as a surface modifier such as a mold release agent or an oil barrier agent.
- the use of the functional group-containing monomer has an effect that the crosslinkable group is crosslinked with the hydroxyl group on the surface of the base material or is self-crosslinked, thereby improving the durability of the water / oil repellent.
- the perfluoroalkyl group is not only composed of 6 or less carbon atoms with low bioaccumulation ability, but also the CH 2 CF 2 group derived from vinylidene fluoride in the molecule easily deHFs to form a double bond
- a fluorine-containing polymer is effectively used as a surface modifier having this as an active ingredient, particularly as a water / oil repellent.
- R hydrogen atom or methyl group
- R 1 (meth) acrylic acid ester represented by a linear, branched or alicyclic alkyl group having 1 to 30 carbon atoms or an aralkyl group, for example, methyl, ethyl, propyl, isopropyl
- alkyl groups such as n-butyl, n-hexyl, 2-ethylhexyl, n-octyl, lauryl, stearyl, cycloalkyl groups such as cyclohexyl, and aralkyl groups such as benzyl
- a long chain alkyl group having 8 or more carbon atoms for example, an alkyl (meth) acrylate having an alkyl group such as 2-ethylhexyl, n-octyl, lauryl or stea group
- a polyfunctional monomer or oligomer can be copolymerized at a ratio of 10% by weight or less in the copolymer as a fluorine atom-free polymerizable monomer.
- Such polyfunctional monomers or oligomers include ethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) Acrylate, 1,9-nonanediol di (meth) acrylate, neopentyl glycol di (meth) acrylate, tetraethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polypropylene glycol di (meth) acrylate, bisphenol A. Ethylene oxide adduct diacrylate, dimethylol tricyclodecane diacrylate, glycerin
- a copolymer having an increased copolymerization ratio of the fluorine atom-free polymerizable comonomer is advantageous, and the fluorine atom-free polymerizable monomer can be combined with the fluorine-containing polymerizable monomer.
- Copolymerization of about 99 to 1% by weight, preferably about 50 to 5% by weight in the copolymer is preferred from the viewpoint of both water and oil repellency and cost.
- the copolymerization is preferably carried out at a ratio of about 0.1 to 20% by weight.
- the crosslinkable groups can be cross-linked with the hydroxyl groups on the surface of the base material or self-crosslinked, thereby improving the durability of the water and oil repellent.
- diacyl peroxide, peroxycarbonate, peroxyester, etc. are used.
- diacyl peroxide, peroxycarbonate, peroxyester, etc. are used.
- Organic peroxides such as carbonate, di-n-propyl peroxydicarbonate, and diisopropyl peroxydicarbonate are used.
- an azo compound, an inorganic peroxide, or a redox system thereof may be used.
- the polymerization reaction may be difficult to proceed. In that case, a polymerization initiator may be added again during the polymerization reaction.
- a chain transfer agent may be used as necessary.
- the chain transfer agent include dimethyl ether, methyl tertiary butyl ether, C 1 to C 6 alkanes, methanol, ethanol, 2 -Propanol, cyclohexane, carbon tetrachloride, chloroform, dichloromethane, methane, ethyl acetate, ethyl malonate, acetone and the like.
- the copolymerization reaction is carried out at a reaction temperature of about 0 to 100 ° C., preferably about 5 to 60 ° C., particularly preferably about 40 to 50 ° C. using these reaction solvents, reaction initiators and the like. After completion of the reaction, a copolymer solution having a solid content concentration of about 5 to 30% by weight is obtained, and the fluorine-containing copolymer is obtained by removing the solvent from the reaction mixture.
- the polyfluoroalkyl alcohol (meth) acrylic acid derivative [I] used in the copolymerization reaction was almost completely copolymerized as a result of analyzing the unreacted residual comonomer by gas chromatography. It was.
- the method for producing a copolymer of a polyfluoroalkyl alcohol (meth) acrylic acid derivative is not limited to such a solution polymerization method.
- suspension weight containing water as a dispersion medium and containing a nonionic surfactant and / or a cationic surfactant is used.
- Combination methods, emulsion polymerization methods, and the like are also used.
- the polyfluoroalkyl alcohol (meth) acrylic acid derivative copolymer thus obtained is separated by a method of evaporating to dryness, a method of adding a flocculant such as an inorganic salt to agglomerate, and washing with a solvent or the like. It is purified by the method.
- the weight average molecular weight Mw of the obtained copolymer is shown by a high performance liquid chromatography method, and its value is about 10,000 to 1,000,000.
- the polymer solution obtained by the solution polymerization method is further used in a fluorine-containing organic solvent such as 1,4-bis (trifluoromethyl) benzene and 1,3-bis (trifluoromethyl) benzene, preferably in the polymerization reaction.
- a fluorine-containing organic solvent such as 1,4-bis (trifluoromethyl) benzene and 1,3-bis (trifluoromethyl) benzene, preferably in the polymerization reaction.
- the solid content concentration is diluted to about 0.01 to 30% by weight, preferably about 0.05 to 5% by weight, using the same fluorine-containing organic solvent as that described above, and used as a surface modifier.
- a flocculant is added as it is or as an aqueous dispersion diluted with water to a solid concentration of about 0.1 to 10% by weight, or in the polymerization reaction solution Then, the polymer is agglomerated, washed with water or an organic solvent, and the copolymer separated is dispersed in water or dissolved in a fluorine-containing organic solvent. Agents can also be prepared.
- a solution containing 20% or less of a surfactant and a water-soluble organic solvent is preferably used.
- Such an aqueous dispersion or organic solvent solution can be used as a surface modifier such as a water / oil repellent or an oil barrier.
- aqueous dispersion of this copolymer or a polymer solution comprising these fluorine-containing organic solvent solutions as other additives, crosslinking agents such as melamine resin, urea resin, blocked isocyanate, polymer extender, silicone Additives necessary for surface modifier applications such as other water repellents such as resin or oil, wax, insect repellents, antistatic agents, dye stabilizers, antifungal agents, and stain blockers can be added.
- the surface modifier thus obtained is a water / oil repellent or a watch, a motor, a fabric product made of metal, paper, film, fiber, cloth, woven fabric, carpet or filament, fiber, thread, etc.
- a surface modifier such as an oil barrier for preventing sliding of lubricating oil from the sliding surface to the periphery of sliding parts of precision machines such as digital camera lenses or parts close to the sliding parts Effectively applied.
- coating, dipping, spraying, padding, roll coating, or a combination thereof is generally used. For example, by using a solid content concentration of the bath of about 0.1 to 10% by weight, it can be used as a pad bath. Is done.
- the material to be treated is padded in this pad bath, then excess liquid is removed with a squeeze roll and dried, and the polymer is attached to the material to be treated so that the amount of the polymer is about 0.01 to 10% by weight. Thereafter, depending on the type of material to be treated, drying is generally performed at a temperature of about 100 to 200 ° C. for about 1 minute to about 2 hours, and the water and oil repellent treatment is completed.
- the reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 100 to 144 ° C., and a tower top temperature of 58 to 59 ° C. to obtain 43.7 g of a purified reaction product (95.4 GC%) (distillation yield 88.2%) Got.
- the obtained purified reaction product was confirmed to be a compound represented by the following formula from the results of 1 H-NMR and 19 F-NMR.
- the reaction mixture was cooled to recover 72 g of the reaction solution, and 44.5 g of the residue from which toluene was removed with an evaporator was washed with tap water, and the reaction product (86.3 GC%), which was a colorless and transparent liquid at room temperature, was used as the lower layer. 40.9 g (yield 82.6%) was obtained.
- This reaction product was distilled under reduced pressure under the conditions of an internal pressure of 0.2 kPa, an internal temperature of 103 to 143 ° C., and a tower top temperature of 60 to 61 ° C. to obtain 15.7 g of a purified reaction product (99.2 GC%) (distillation yield: 44.1% )
- the obtained purified reaction product was confirmed to be a compound represented by the following formula from the results of 1 H-NMR and 19 F-NMR.
- CF 3 (CF 2 ) 3 (CH 2 CF 2 ) (CF 2 CF 2 ) (CH 2 CH 2 ) OCOCH CH 2 (Fluorine-containing monomer)
- Example 1 Fluorine-containing monomer obtained in the above synthesis example 75g n-stearyl methacrylate (Kyoeisha Chemical Product Light Ester S) 8.8g 2-[(3,5-dimethylpyrazolyl) carbonylamino] 0.2 g Ethyl methacrylate (Showa Denko product Karenz MOI-BP) 1,4-bis (trifluoromethyl) benzene 414g
- the above components were charged into a 500 ml reactor equipped with a condenser and replaced with nitrogen gas for 30 minutes. Add 2.4 g of bis (4-tert-butylcyclohexyl) peroxydicarbonate to the reactor. Was added stepwise (total 500.4 g), the temperature in the reactor was gradually raised to 50 ° C., and the polymerization reaction was carried out at this temperature for 21 hours while stirring.
- the reaction mixture was cooled to obtain a polymer solution having a solid content concentration of 17.3% by weight.
- 99% or more of the fluorine-containing monomer used for the copolymerization reaction was copolymerized.
- the obtained copolymer solution was placed in an oven at 120 ° C., and the copolymerization ratio of the fluorine-containing monomer / n-stearyl methacrylate / NCO group-containing monomer copolymer isolated by removing the solvent was wt%. It was 89.3: 10.5: 0.2, and the weight average molecular weight Mw was 92,000.
- Mw is measured by GPC measurement method using Shodex GPC KD 806M + KD-802 + KD-G at a temperature of 40 °C and elution rate of 10mM tetrahydrofuran solution as eluent is 1ml / min.
- a parallax refractometer was used as the instrument, and a Labchart® 180 (polystyrene equivalent) manufactured by SIC was used for the analysis.
- the measurement of the static contact angle (according to the cesl drop method), which is one index of water / oil repellency, was performed on hexadecane C 16 H 34 and water. The measurement was performed before and after washing with 1,4-bis (trifluoromethyl) benzene solvent.
- Example 2 In Example 1, instead of 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl methacrylate, 2- (O- [1′-methylpropylideneamino] carboxyamino) ethyl methacrylate (Showa Denko Karen Co., Ltd.) MOI-BM) was used in the same amount (0.2 parts by weight) to prepare a polymer solution. As a result, a polymer solution with a solid content concentration of 17.3% by weight was obtained.
- the copolymerization ratio of the fluorine monomer / n-stearyl methacrylate / NCO group-containing monomer copolymer was 89.3: 10.5: 0.2 by weight%, and its weight average molecular weight Mw was 90,000.
- Example 3 In Example 1, the following components were charged into the reactor: 84.6 g of fluorine-containing monomer obtained in the above synthesis example Benzyl methacrylate (Mitsubishi Rayon product acrylic ester BZ) 9.5g 2-[(3,5-dimethylpyrazolyl) carbonylamino] 0.3 g Ethyl methacrylate (Showa Denko product Karenz MOI-BP) 1,4-bis (trifluoromethyl) benzene 404g Bis (4-tert-butylcyclohexyl) peroxydicarbonate 1.3g was added stepwise to prepare a polymer solution.
- Benzyl methacrylate Mitsubishi Rayon product acrylic ester BZ
- Ethyl methacrylate Showa Denko product Karenz MOI-BP
- Example 4 In Example 3, instead of 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl methacrylate, 2- (O- [1′-methylpropylideneamino] carboxyamino) ethyl methacrylate was used in the same amount (0.3 (Part by weight) When the polymer solution was prepared, a polymer solution having a solid content of 19.1% by weight was obtained, and the fluorine-containing monomer, benzyl methacrylate, and NCO group were isolated by removing the solvent. The copolymerization ratio of the monomer copolymer was 89.7: 10.0: 0.3 by weight%, and its weight average molecular weight Mw was 85,000.
- Example 5 In Example 3, the amount of the fluorine-containing monomer was changed to 84.7 parts by weight, and instead of 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl methacrylate, 2- (O- [1′-methyl methacrylate)
- 2- (O- [1′-methyl methacrylate) When a polymer solution was prepared using 0.5 part by weight of propylideneamino] carboxyamino) ethyl, a polymer solution having a solid content concentration of 19.2% by weight was obtained.
- the copolymerization ratio of the fluorine monomer / benzyl methacrylate / NCO group-containing monomer copolymer was 89.5: 10.0: 0.5 by weight%, and its weight average molecular weight Mw was 83,000.
- Example 6 In Example 3, instead of 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl methacrylate, 1.0 part by weight of 2- (O- [1′-methylpropylideneamino] carboxyamino) ethyl methacrylate was used. When the polymer solution was prepared, a polymer solution having a solid content concentration of 19.3% by weight was obtained, and the fluorine-containing monomer / benzyl methacrylate / NCO group-containing monomer copolymer was isolated by removing the solvent. The copolymerization ratio of was 89.0: 10.0: 1.0 by weight%, and its weight average molecular weight Mw was 80,000.
- Example 1 when a polymer solution was prepared without using 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl methacrylate, a polymer solution having a solid content concentration of 17.2% by weight was obtained.
- the copolymerization ratio of the fluorine-containing monomer / n-stearyl methacrylate copolymer isolated by removing the solvent was 89.5: 10.5 in terms of% by weight, and the weight average molecular weight Mw was 95,000.
- Example 3 the amount of fluorine-containing monomer was changed to 84.8 parts by weight, and a polymer solution was prepared without using 2-[(3,5-dimethylpyrazolyl) carbonylamino] ethyl methacrylate. A polymer solution having a partial concentration of 19.1% by weight was obtained, and the copolymerization ratio of the fluorine-containing monomer / benzyl methacrylate copolymer isolated by removing the solvent was 89.9: 10.1 in terms of% by weight, and its weight average molecular weight Mw Was 90,000.
- the measurement results of the static contact angle (unit: degree) of the test pieces obtained in the above examples and comparative examples are shown in the following table.
- the static contact angle of the untreated SUS substrate was 10.5 degrees for C 16 H 34 and 93 degrees for water.
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Abstract
Description
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR=CH2 〔I〕
(ここで、Rは水素原子またはメチル基であり、nは1~6の整数であり、aは1~4の整数であり、bは1~3の整数であり、cは1~3の整数である)で表わされるポリフルオロアルキルアルコール(メタ)アクリル酸誘導体、(B)一般式
CH2=CRCOOR1 〔II〕
(ここで、Rは水素原子またはメチル基であり、R1はC1~C30の直鎖状、分岐状または脂環状のアルキル基あるいはアラルキル基である)で表わされる(メタ)アクリル酸エステルおよび(C)一般式
CH2=CRCOOR2NCO 〔III〕
および
CH2=CRCOOR2NHCOR3 〔IV〕
(ここで、Rは水素原子またはメチル基であり、R2はC1~C30の直鎖状または分岐状のアルキレン基であり、R3はイソシアネート基のブロック基である)で表わされるNCO基含有(メタ)アクリル酸エステルの少くとも一種の共重合体よりなる含フッ素共重合体およびこれを有効成分とする表面改質剤によって達成される。上記一般式〔I〕において、重合時の重合液安定性、溶解性、重合速度といった観点から、好ましくはnは2~4の整数であり、aは1~2の整数であり、bは1~3の整数であり、cは1~2の整数である。
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR=CH2 〔I〕
で表わされるポリフルオロアルキルアルコール(メタ)アクリル酸誘導体は、特許文献3~4に記載される如く、次のような化合物を例示することができる。
およびこれらに対応するメタクリル酸誘導体。
CH2=CRCOOR1 〔II〕
R:水素原子またはメチル基
R1:炭素数1~30の直鎖状、分岐状または脂環状のアルキル基
またはアラルキル基
で表される(メタ)アクリル酸エステル、例えばメチル、エチル、プロピル、イソプロピル、n-ブチル、n-ヘキシル、2-エチルヘキシル、n-オクチル、ラウリル、ステアリル等のアルキル基、シクロヘキシル等のシクロアルキル基、ベンジル等のアラルキル基でエステル化されたアクリル酸エステルまたはメタクリル酸エステル、好ましくは炭素数8以上の長鎖アルキル基、例えば2-エチルヘキシル、n-オクチル、ラウリル、ステアリル等のアルキル基を有するアルキル(メタ)アクリレート、ベンジル等のアラルキル基でエステル化された(メタ)アクリル酸エステル、特に好ましくはステアリル(メタ)アクリレート、ベンジル(メタ)アクリレートが、フッ素原子非含有重合性単量体として、処理基材の塗膜性、撥水性、撥油性のバランス上好んで用いられる。ここで、(メタ)アクリレートとは、アクリレートまたはメタクリレートを示している。
CH2=CRCOOR2NCO 〔III〕
および
CH2=CRCOOR2NHCOR3 〔IV〕
(ここで、Rは水素原子またはメチル基であり、R2はC1~C30の直鎖状または分岐状のアルキレン基であり、R3はイソシアネート基のブロック基である)で表わされるNCO基含有(メタ)アクリル酸エステルの少くとも一種、例えば2-イソシアネートエチル(メタ)アクリレート、3-イソシアネートプロピル(メタ)アクリレート、4-イソシアネートブチル(メタ)アクリレート等またはそのマロン酸ジエチル付加体、メチルエチルケトンオキシム付加体、ε-カプロラクタム付加体、ピラゾール付加体、3,5-ジメチルピラゾール付加体、3-メチルピラゾール付加体、2-ブタノンオキシム付加体等が、共重合体中約0.01~30重量%以下、好ましくは約0.1~20重量%を占めるような割合で共重合される。これらの架橋性基含有単量体をさらに共重合させると、その架橋性基が基材表面の水酸基と架橋したりあるいは自己架橋して、撥水撥油剤の耐久性を高めることができる。
(1) 攪拌機および温度計を備えた容量1200mlのオートクレーブに、
CF3(CF2)3(CH2CF2)(CF2CF2)I (99.8GC%)
603g(1.17モル)およびジ第3ブチルパーオキサイド7gを仕込み、真空ポンプでオートクレーブを脱気した。内温を80℃迄加熱したところで、エチレンを逐次的に導入し、内圧を0.5MPaとした。内圧が0.2MPa迄下がったら、再びエチレンを導入して0.5MPaとし、これをくり返した。内温を80~115℃に保ちながら、約3時間かけてエチレン49g(1.7モル)を導入した。内温50℃以下で内容物を回収し、
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)I (98.3GC%)
635g(収率98.8%)を得た。
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)I (98.3GC%)
100g(0.18モル)とN-メチルホルムアミド100g(1.68モル)を仕込み、150℃で4時間攪拌した。反応終了後、反応混合物を水30mlで洗浄し、その下層(82.8g)を15重量%p-トルエンスルホン酸水溶液83gと混合し、80℃で8時間攪拌した。反応混合物を静置後、下層として常温で無色透明の液体である反応生成物(78.4GC%)を60g(収率62.6%)得た。
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)OH
CF3(CF2)3(CH2CF2)(CF2CF2)(CH2CH2)OCOCH=CH2 〔含フッ素モノマー〕
上記合成例で得られた含フッ素モノマー 75g
n-ステアリルメタクリレート(共栄社化学製品ライトエステルS) 8.8g
2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕 0.2g
エチルメタクリレート(昭和電工製品カレンズMOI-BP)
1,4-ビス(トリフルオロメチル)ベンゼン 414g
以上の各成分を、コンデンサを備えた容量500mlの反応器に仕込み、窒素ガスで30分間置換した。反応器に、さらに
ビス(4-第3ブチルシクロヘキシル)パーオキシジカーボネート 2.4g
を段階的に添加した後(合計500.4g)、反応器内温度を徐々に50℃まで上げ、攪拌しながらこの温度で21時間重合反応を行った。
実施例1において、2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕エチルメタクリレートの代わりに、メタクリル酸2-(O-[1´-メチルプロピリデンアミノ]カルボキシアミノ)エチル(昭和電工製品カレンズMOI-BM)が同量(0.2重量部)用いられて重合体溶液の調製が行われたところ、固形分濃度17.3重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・n-ステアリルメタクリレート・NCO基含有モノマー共重合体の共重合割合は重量%で89.3:10.5:0.2であり、その重量平均分子量Mwは90,000であった。
実施例1において、反応器に次の各成分が仕込まれ、
前記合成例で得られた含フッ素モノマー 84.6g
ベンジルメタクリレート(三菱レイヨン製品アクリエステルBZ) 9.5g
2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕 0.3g
エチルメタクリレート(昭和電工製品カレンズMOI-BP)
1,4-ビス(トリフルオロメチル)ベンゼン 404g
さらに
ビス(4-第3ブチルシクロヘキシル)パーオキシジカーボネート 1.3g
が段階的に添加されて重合体溶液の調製が行われたところ、固形分濃度19.1重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・ベンジルメタクリレート・NCO基含有モノマー共重合体の共重合割合は重量%で89.7:10.0:0.3であり、その重量平均分子量Mwは90,000であった。
実施例3において、2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕エチルメタクリレートの代わりに、メタクリル酸2-(O-[1´-メチルプロピリデンアミノ]カルボキシアミノ)エチルが同量(0.3重量部)用いられて重合体溶液の調製が行われたところ、固形分濃度19.1重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・ベンジルメタクリレート・NCO基含有モノマー共重合体の共重合割合は重量%で89.7:10.0:0.3であり、その重量平均分子量Mwは85,000であった。
実施例3において、含フッ素モノマー量が84.7重量部に変更され、また2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕エチルメタクリレートの代わりに、メタクリル酸2-(O-[1´-メチルプロピリデンアミノ]カルボキシアミノ)エチルが0.5重量部用いられて重合体溶液の調製が行われたところ、固形分濃度19.2重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・ベンジルメタクリレート・NCO基含有モノマー共重合体の共重合割合は重量%で89.5:10.0:0.5であり、その重量平均分子量Mwは83,000であった。
実施例3において、2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕エチルメタクリレートの代わりに、メタクリル酸2-(O-[1´-メチルプロピリデンアミノ]カルボキシアミノ)エチルが1.0重量部用いられて重合体溶液の調製が行われたところ、固形分濃度19.3重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・ベンジルメタクリレート・NCO基含有モノマー共重合体の共重合割合は重量%で89.0:10.0:1.0であり、その重量平均分子量Mwは80,000であった。
実施例1において、2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕エチルメタクリレートが用いられずに重合体溶液の調製が行われたところ、固形分濃度17.2重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・n-ステアリルメタクリレート共重合体の共重合割合は重量%で89.5:10.5であり、その重量平均分子量Mwは95,000であった。
実施例3において、含フッ素モノマー量が84.8重量部に変更され、2-〔(3,5-ジメチルピラゾリル)カルボニルアミノ〕エチルメタクリレートが用いられずに重合体溶液の調製が行われたところ、固形分濃度19.1重量%の重合体溶液が得られ、その溶媒を除去して単離した含フッ素モノマー・ベンジルメタクリレート共重合体の共重合割合は重量%で89.9:10.1であり、その重量平均分子量Mwは90,000であった。
表
実施例 比較例
1 2 3 4 5 6 1 2
C16H34〔溶媒洗浄前〕 79 80 78 78 79 80 80 77
C16H34〔溶媒洗浄後〕 78 79 79 75 81 79 41 36
水〔溶媒洗浄前〕 120 120 120 120 121 120 120 120
水〔溶媒洗浄後〕 123 121 122 123 121 123 104 103
Claims (9)
- (A)一般式
CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR=CH2 〔I〕
(ここで、Rは水素原子またはメチル基であり、nは1~6の整数であり、aは1~4の整数であり、bは1~3の整数であり、cは1~3の整数である)で表わされるポリフルオロアルキルアルコール(メタ)アクリル酸誘導体、(B)一般式
CH2=CRCOOR1 〔II〕
(ここで、Rは水素原子またはメチル基であり、R1はC1~C30の直鎖状、分岐状または脂環状のアルキル基あるいはアラルキル基である)で表わされる(メタ)アクリル酸エステルおよび(C)一般式
CH2=CRCOOR2NCO 〔III〕
および
CH2=CRCOOR2NHCOR3 〔IV〕
(ここで、Rは水素原子またはメチル基であり、R2はC1~C30の直鎖状または分岐状のアルキレン基であり、R3はイソシアネート基のブロック基である)で表わされるNCO基含有(メタ)アクリル酸エステルの少くとも一種
の共重合体よりなる含フッ素共重合体。 - 重量平均分子量Mwが10,000~1,000,000である請求項1記載の含フッ素共重合体。
- ポリフルオロアルキルアルコール(メタ)アクリル酸誘導体〔I〕と(メタ)アクリル酸エステル〔II〕とが、重量比で1~99:99~1の割合で共重合された請求項1記載の含フッ素共重合体。
- ポリフルオロアルキルアルコール(メタ)アクリル酸誘導体〔I〕と(メタ)アクリル酸エステル〔II〕とが、重量比で50~95:50~5の割合で共重合された請求項3記載の含フッ素共重合体。
- NCO基含有(メタ)アクリル酸エステル〔III〕および〔IV〕の少なくとも一種が、含フッ素共重合体中0.01~30重量%の割合で共重合された請求項1記載の含フッ素共重合体。
- 請求項1記載の含フッ素重合体を有効成分とする表面改質剤。
- 有機溶媒溶液として調製された請求項6記載の表面改質剤。
- 含フッ素有機溶媒溶液として調製された請求項7記載の表面改質剤。
- 撥水撥油剤として用いられる請求項6、7または8記載の表面改質剤。
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| EP14858741.3A EP3064517B1 (en) | 2013-11-01 | 2014-10-15 | Fluorine-containing polymer, and surface modifier containing same as active ingredient |
| US15/033,719 US20160251468A1 (en) | 2013-11-01 | 2014-10-15 | Fluorine-containing polymer and surface-modifying agent containing the same as active ingredient |
| KR1020167012698A KR20160083006A (ko) | 2013-11-01 | 2014-10-15 | 함불소 중합체 및 이것을 유효 성분으로 하는 표면개질제 |
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| WO2020021959A1 (ja) * | 2018-07-26 | 2020-01-30 | 日立化成株式会社 | 樹脂組成物、蓄熱材、及び物品 |
| CN110981690A (zh) * | 2019-12-12 | 2020-04-10 | 西安近代化学研究所 | 一种4,4,5,5,5-五氟戊醇的制备方法 |
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| CN109929066A (zh) * | 2017-12-15 | 2019-06-25 | 上海飞凯光电材料股份有限公司 | 一种紫外光固化树脂、制备方法、涂料 |
| EP4039720B1 (en) * | 2019-10-03 | 2024-09-18 | Unimatec Co., Ltd. | Non-adhesive composition |
| CN116769375A (zh) * | 2023-06-27 | 2023-09-19 | 上海鸣旭电子科技有限公司 | 一种自固化型防护剂组合物 |
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- 2014-10-15 CN CN201480059883.1A patent/CN105873964A/zh active Pending
- 2014-10-15 US US15/033,719 patent/US20160251468A1/en not_active Abandoned
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| JP2014172952A (ja) * | 2013-03-07 | 2014-09-22 | Unimatec Co Ltd | 含フッ素重合体およびこれを有効成分とする表面改質剤 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020021959A1 (ja) * | 2018-07-26 | 2020-01-30 | 日立化成株式会社 | 樹脂組成物、蓄熱材、及び物品 |
| JPWO2020021959A1 (ja) * | 2018-07-26 | 2021-08-05 | 昭和電工マテリアルズ株式会社 | 樹脂組成物、蓄熱材、及び物品 |
| JP7351300B2 (ja) | 2018-07-26 | 2023-09-27 | 株式会社レゾナック | 樹脂組成物、蓄熱材、及び物品 |
| CN110981690A (zh) * | 2019-12-12 | 2020-04-10 | 西安近代化学研究所 | 一种4,4,5,5,5-五氟戊醇的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160083006A (ko) | 2016-07-11 |
| US20160251468A1 (en) | 2016-09-01 |
| EP3064517A1 (en) | 2016-09-07 |
| CN105873964A (zh) | 2016-08-17 |
| EP3064517A4 (en) | 2017-06-07 |
| JPWO2015064360A1 (ja) | 2017-03-09 |
| EP3064517B1 (en) | 2019-06-26 |
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