WO2018159265A1 - 重合性組成物及びブラックカラムスペーサー用感光性組成物 - Google Patents
重合性組成物及びブラックカラムスペーサー用感光性組成物 Download PDFInfo
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- WO2018159265A1 WO2018159265A1 PCT/JP2018/004626 JP2018004626W WO2018159265A1 WO 2018159265 A1 WO2018159265 A1 WO 2018159265A1 JP 2018004626 W JP2018004626 W JP 2018004626W WO 2018159265 A1 WO2018159265 A1 WO 2018159265A1
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- CFKONAWMNQERAG-UHFFFAOYSA-N O=C(CCS)OCCN(C(N(CCOC(CCS)=O)C(N1CCOC(CCS)=O)=O)=O)C1=O Chemical compound O=C(CCS)OCCN(C(N(CCOC(CCS)=O)C(N1CCOC(CCS)=O)=O)=O)C1=O CFKONAWMNQERAG-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F220/36—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate containing oxygen in addition to the carboxy oxygen, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
- C08F216/1416—Monomers containing oxygen in addition to the ether oxygen, e.g. allyl glycidyl ether
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
- C08F220/343—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate in the form of urethane links
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
- C08F299/06—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
- G03F7/031—Organic compounds not covered by group G03F7/029
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/105—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having substances, e.g. indicators, for forming visible images
Definitions
- the present invention relates to a polymerizable composition containing a urethane (meth) acrylate compound, a colorant, an alkali developable compound, an ethylenically unsaturated compound and a polymerizable initiator, and a photosensitive composition for a black column spacer (hereinafter referred to as BCS). And a cured product obtained from the photosensitive composition.
- a urethane (meth) acrylate compound a colorant, an alkali developable compound, an ethylenically unsaturated compound and a polymerizable initiator
- BCS black column spacer
- spacers are used to maintain the distance between the upper and lower substrates of the cell.
- the spacer is formed by applying the polymerizable composition to the substrate, exposing through a predetermined mask, and developing.
- BCS has been used in which column spacers and black matrix are integrated into one module to provide light shielding properties.
- Patent Document 1 discloses a photosensitive resin composition for forming BCS, which contains carbon black subjected to a treatment for introducing an acidic group and can form a BCS having a low relative dielectric constant.
- Patent Document 2 can form a BCS showing a good elastic recovery rate, containing a copolymer, an epoxy resin compound or a compound derived therefrom, and a colorant including a black colorant and a blue colorant.
- a colored photosensitive resin composition is disclosed.
- JP 2014-146029 A Japanese Patent Laying-Open No. 2015-093986
- the problem to be solved by the present invention is that no BCS has excellent elastic recovery, low dielectric constant and good electrical characteristics.
- an object of the present invention is to provide a polymerizable composition, a BCS photosensitive composition, and a BCS photosensitive composition that are excellent in elastic recovery, have a low dielectric constant, and have good electrical characteristics. It is providing the hardened
- the present invention has achieved the above object by providing the following [1] to [9] after intensive studies.
- M is a direct bond, a hydrocarbon group having 1 to 20 carbon atoms, —O—, —S—, —SO 2 —, —SS—, —SO—, —CO—, —OCO— or Represents a substituent selected from the group represented by formula (a), (b), (c) or (d);
- the hydrogen atom in the hydrocarbon group having 1 to 20 carbon atoms represented by M may be substituted with a halogen atom, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 (hereinafter also referred to as R 1 to R 8 ) are each independently a hydrogen atom or a carbon atom having 1 to 20 carbon atoms.
- R 1 to R 8 Represents a hydrocarbon group or a halogen atom
- the methylene group in the group represented by R 1 to R 8 may be substituted with an unsaturated bond, —O— or —S—, n is a number from 0 to 10, When n ⁇ 1, a plurality of R 1 to R 8 and M may be the same or different.
- R 9 represents a hydrocarbon group having 1 to 20 carbon atoms
- the methylene group in the group represented by R 10 to R 38 may be substituted with an unsaturated bond, —O— or —S—, R 10 and R 11 , R 11 and R 12
- each of R 41 and R 42 independently represents a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydrocarbon group having 1 to 20 carbon atoms, or a group having 2 to 20 carbon atoms containing a heterocyclic ring.
- Represents Hydrogen atoms of the hydrocarbon group, or R 41 and having 2 to 20 carbon atoms containing heterocyclic ring represented by R 42 of R 41 and having 1 to 20 carbon atoms represented by R 42 is a halogen atom, a nitro Substituted with a group having 2 to 20 carbon atoms containing a group, cyano group, hydroxyl group, amino group, carboxyl group, methacryloyl group, acryloyl group, epoxy group, vinyl group, vinyl ether group, mercapto group, isocyanate group or heterocyclic ring
- a photosensitive composition for a black column spacer comprising the polymerizable composition according to any one of [1] to [5].
- [7] A method for producing a cured product using the polymerizable composition according to any one of [1] to [5] or the photosensitive composition for a black column spacer according to [6].
- the polymerizable composition of the present invention comprises a urethane (meth) acrylate compound (A), a colorant (B), an alkali developable compound (C) [excluding the urethane (meth) acrylate compound (A)], ethylenic
- An unsaturated compound (D) [however, excluding urethane (meth) acrylate compound (A) and alkali developable compound (C)] and a polymerization initiator (E) are contained.
- each component will be described in order.
- the urethane (meth) acrylate compound (A) is a compound having a urethane bond and a methacryl group or an acryl group in the same molecule.
- the urethane (meth) acrylate compound (A) is not particularly limited as long as it is a compound having a urethane bond and a methacrylic group or an acrylic group in the same molecule, but reacts an alcohol containing a methacrylic group or an acrylic group with an isocyanate compound. Can be obtained.
- Examples of the urethane (meth) acrylate compound (A) include phenyl glycidyl ether acrylate hexamethylene diisocyanate urethane prepolymer, pentaerythritol triacrylate hexamethylene diisocyanate urethane prepolymer, pentaerythritol triacrylate toluene diisocyanate urethane prepolymer, and pentaerythritol triacrylate. Examples thereof include isophorone diisocyanate urethane prepolymer and dipentaerythritol pentaacrylate hexamethylene diisocyanate urethane prepolymer.
- urethane (meth) acrylate compound (A) Commercially available products can also be used as the urethane (meth) acrylate compound (A).
- the content of the urethane (meth) acrylate compound (A) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant (B), and alkali development. 1 to 20 parts by weight, more preferably 3 to 10 parts by weight, and still more preferably 100 parts by weight of the total amount of the organic compound (C), ethylenically unsaturated compound (D) and polymerization initiator (E). 3 to 8 parts by mass.
- content of a polymeric compound (B) exists in said range, it is preferable from the elasticity recovery rate of the hardened
- the content of the urethane (meth) acrylate compound (A) is not particularly limited, but the urethane (meth) acrylate compound (A), coloring
- the elastic recovery rate of the cured product obtained is good with respect to 100 parts by mass in total of the agent (B), the alkali developable compound (C), the ethylenically unsaturated compound (D), and the polymerization initiator (E). Therefore, the amount is preferably 1 to 20 parts by mass, more preferably 3 to 10 parts by mass, and still more preferably 3 to 8 parts by mass.
- pigments and dyes can be used as the colorant (B) used in the polymerizable composition of the present invention.
- the pigment and the dye an inorganic color material or an organic color material can be used, respectively. These can be used alone or in admixture of two or more.
- the pigment means a colorant that is insoluble in a solvent described later, and includes inorganic or organic colorants that are insoluble in a solvent, or those obtained by rake formation of an inorganic or organic dye.
- the pigment examples include carbon black obtained by a furnace method, a channel method or a thermal method, or carbon black such as acetylene black, ketjen black or lamp black, a carbon black prepared or coated with an epoxy resin, and the carbon black
- carbon black obtained by a furnace method, a channel method or a thermal method, or carbon black such as acetylene black, ketjen black or lamp black, a carbon black prepared or coated with an epoxy resin, and the carbon black
- a resin is pre-dispersed in a resin and coated with 20 to 200 mg / g of resin, an acid or alkaline surface treatment of the above carbon black, an average particle size of 8 nm or more, and a DBP oil absorption of 90 ml / 100 g or less of carbon black, the total amount of oxygen calculated from CO and CO 2 in the volatile content at 950 ° C.
- carbon black is surface area 100 m 2 per 9mg above, graphitized carbon black, graphite, activated carbon, carbon fibers, carbon nanotubes, Kabonma Black coil represented by crocoil, carbon nanohorn, carbon aerogel, fullerene, aniline black, pigment black 7, titanium black, lactam black and perylene black, chromium oxide green, miloli blue, cobalt green, cobalt blue, manganese series, ferrocyan Fluoride, ultramarine blue, ultramarine, cerulean blue, pyridian, emerald green, lead sulfate, yellow lead, zinc yellow, red rose (red iron (III) oxide), cadmium red, synthetic iron black, amber, lake pigment And organic or inorganic pigments.
- black pigments are preferably used because of their high light shielding properties, and organic black pigments such as lactam black and perylene black are more preferably used because of their low liquid crystal contamination.
- a commercial item can also be used as said pigment, for example, pigment red 1, 2, 3, 9, 10, 14, 17, 22, 23, 31, 38, 41, 48, 49, 88, 90, 97. 112, 119, 122, 123, 144, 149, 166, 168, 169, 170, 171, 177, 179, 180, 184, 185, 192, 200, 202, 209, 215, 216, 217, 220, 223 224, 226, 227, 254, 228, 240 and 254; Pigment Orange 13, 31, 34, 36, 38, 43, 46, 48, 49, 51, 52, 55, 59, 60, 61, 62, 64 , 65 and 71; Pigment Yellow 1, 3, 12, 13, 14, 16, 17, 20, 24, 55, 60, 73, 81, 83, 86, 93, 5, 97, 98, 100, 109, 110, 113, 114, 117, 120, 125, 126, 127, 129, 137, 138, 139, 147,
- the dye examples include nitroso compounds, nitro compounds, azo compounds, diazo compounds, xanthene compounds, quinoline compounds, anthraquinone compounds, coumarin compounds, cyanine compounds, phthalocyanine compounds, isoindolinone compounds, isoindoline compounds, quinacridone compounds, anthanthrones.
- the content of the colorant (B) is not particularly limited, but is preferably 3 to 30 masses with respect to 100 mass parts of the following alkali developable compound (C). Part, more preferably 5 to 20 parts by weight, still more preferably 150 to 300 parts by weight.
- the content of the colorant (B) is within the above range, the polymerizable composition has excellent storage stability without aggregation of the colorant, and the light-shielding property of the cured product of the polymerizable composition is high. This is preferable.
- the content of the colorant (B) is not particularly limited, but is preferably based on 100 parts by mass of the alkali-developable compound (C). Is 3 to 30 parts by mass, more preferably 5 to 20 parts by mass, and still more preferably 150 to 300 parts by mass.
- the alkali developable compound (C) is not the urethane (meth) acrylate compound (A) but a compound having a hydrophilic group and exhibiting alkali developability.
- conventionally used compounds can be used as the alkali-developable compound (C) as long as the above conditions are satisfied.
- the hydrophilic group include a hydroxyl group, a thiol group, a carboxyl group, a sulfo group, an amino group, an amide group or a salt thereof, and the hydroxyl group and the carboxyl group have developability to an alkali of the alkali developable compound (C). It is preferable because it is high.
- the functional group equivalent of the hydrophilic group in the alkali-developable compound (C) (the mass of the polymer compound containing 1 equivalent of the hydrophilic group) is from 50 to 10,000.
- the preferred molecular weight of the alkali developable compound (C) is 1,000 to 500,000.
- the acid value of the alkali-developable compound (C) is preferably 10 to 200 mg / KOH, more preferably 30 to 150 mg / KOH. If the acid value is less than 10 mg / KOH, sufficient alkali developability may not be obtained, and if it is greater than 200 mg / KOH, it may be difficult to produce the polymer compound.
- the acid value is based on JIS K0050 and JIS K 0211.
- alkali-developable compound (C) examples include acrylic acid ester copolymers; phenol and / or cresol novolac epoxy resins; polyphenylmethane type epoxy resins having polyfunctional epoxy groups; epoxy acrylate resins; An epoxy addition compound having a structure in which an unsaturated monobasic acid is added to the epoxy compound represented by the general formula (I); an unsaturated monobasic acid is added to the epoxy compound represented by the general formula (I)
- a resin (unsaturated compound) having a structure obtained by an esterification reaction between an epoxy addition compound having a different structure and a polybasic acid anhydride can be used.
- an alkali-developable compound that is a reaction product obtained by an esterification reaction of an epoxy addition compound having a structure with a monobasic acid and a polybasic acid anhydride is used, the sensitivity of the polymerizable composition increases.
- a cured product obtained from the polymerizable composition is preferable because of its excellent elastic recovery rate.
- the alkali-developable compound preferably contains 0.2 to 1.0 equivalent of an unsaturated group.
- the alkali developable compound (C) is an epoxy compound represented by the general formula (I); An epoxy compound having the following structure [(e)] obtained by adding an unsaturated monobasic acid to the epoxy compound represented by I); or by esterification reaction of such an unsaturated compound and a polybasic acid anhydride The obtained unsaturated compound having the following structure [(f)] is desirable.
- Y 1 represents an unsaturated monobasic acid residue
- Y 2 represents a polybasic acid anhydride residue
- the hydrocarbon group having 1 to 20 carbon atoms represented by M in the general formula (I) is not particularly limited, but is preferably an alkylene group having 1 to 20 carbon atoms, 2 carbon atoms. Represents an alkenylene group having 20 to 20 carbon atoms, a cycloalkylene group having 3 to 20 carbon atoms, or an arylene group having 6 to 20 carbon atoms. Among these, since the sensitivity when used as the alkali-developable compound (C) is good, it is an alkylene group having 1 to 10 carbon atoms, an alkenylene group having 2 to 10 carbon atoms, or an alkyl group having 3 to 10 carbon atoms. A cycloalkylene group or an arylene group having 6 to 10 carbon atoms is more preferable.
- Examples of the alkylene group having 1 to 20 carbon atoms represented by M in the general formula (I) include methylene, ethylene, propylene, butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene, undecylene, and dodecylene. , Tridecylene, tetradecylene, pentadecylene, hexadecylene, heptadecylene, octadecylene, nonadecylene, icosylene groups and the like.
- Examples of the alkenylene group having 2 to 20 carbon atoms represented by M in the general formula (I) include 1,2-ethenediyl (also referred to as ethenylene or vinylene), 2-butene-1,4-diyl, Examples include 1,2-dimethyl-1,2-ethenediyl.
- Examples of the cycloalkylene group having 3 to 20 carbon atoms represented by M in the general formula (I) include cyclopropylene, cyclopentylene, cyclohexylene, cycloheptylene, and cyclooctylene groups.
- Examples of the arylene group having 6 to 20 carbon atoms represented by M in the general formula (I) include phenylene, tolylene, xylylene, naphthylene, biphenylene, fluorene, and indane.
- halogen atom for substituting the hydrocarbon group having 1 to 20 carbon atoms represented by M in the above general formula (I), fluorine, chlorine, bromine and iodine can be mentioned.
- the hydrocarbon group having 1 to 20 carbon atoms represented by R 1 to R 38 in the general formula (I) is not particularly limited, but is preferably an alkyl group having 1 to 20 carbon atoms, An alkenyl group having 2 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a cycloalkylalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, and a 7 to 20 carbon atom Represents an arylalkyl group or the like; Since the sensitivity when used as the alkali-developable compound (C) is good, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, A cycloalkylalkyl group having 4 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an arylalkyl group having 7 to
- alkyl group having 1 to 20 carbon atoms examples include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, s-butyl, t-butyl, amyl, isoamyl, t-amyl, hexyl, heptyl, octyl, isooctyl. 2-ethylhexyl, t-octyl, nonyl, isononyl, decyl, isodecyl, undecyl, dodecyl, tetradecyl, hexadecyl, octadecyl, icosyl and the like.
- alkyl group having 1 to 10 carbon atoms examples include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, s-butyl, t-butyl, amyl, isoamyl, t-amyl, hexyl, heptyl, octyl, isooctyl. 2-ethylhexyl, t-octyl, nonyl, isononyl, decyl, isodecyl and the like.
- alkenyl group having 2 to 20 carbon atoms examples include vinyl, 2-propenyl, 3-butenyl, 2-butenyl, 4-pentenyl, 3-pentenyl, 2-hexenyl, 3-hexenyl, 5-hexenyl, 2 -Heptenyl, 3-heptenyl, 4-heptenyl, 3-octenyl, 3-nonenyl, 4-decenyl, 3-undecenyl, 4-dodecenyl, 3-cyclohexenyl, 2,5-cyclohexadienyl-1-methyl, and 4 , 8,12-tetradecatrienylallyl and the like.
- alkenyl group having 2 to 10 carbon atoms examples include vinyl, 2-propenyl, 3-butenyl, 2-butenyl, 4-pentenyl, 3-pentenyl, 2-hexenyl, 3-hexenyl, 5-hexenyl, 2 -Heptenyl, 3-heptenyl, 4-heptenyl, 3-octenyl, 3-nonenyl, 4-decenyl and the like.
- the above cycloalkyl group having 3 to 20 carbon atoms means a saturated monocyclic or saturated polycyclic alkyl group having 3 to 20 carbon atoms.
- Examples of the cycloalkyl group having 3 to 10 carbon atoms include cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl, cyclodecyl, adamantyl, decahydronaphthyl, octahydropentalene, and bicyclo [1. 1.1] pentanyl and the like.
- the cycloalkylalkyl group having 4 to 20 carbon atoms means a group having 4 to 20 carbon atoms in which a hydrogen atom of the alkyl group is substituted with a cycloalkyl group.
- Examples of the cycloalkylalkyl group having 4 to 10 carbon atoms include cyclopropylmethyl, cyclobutylmethyl, cyclopentylmethyl, cyclohexylmethyl, cycloheptylmethyl, cyclooctylmethyl, cyclononylmethyl, 2-cyclobutylethyl, 2 -Cyclopentylethyl, 2-cyclohexylethyl, 2-cycloheptylethyl, 2-cyclooctylethyl, 3-cyclobutylpropyl, 3-cyclopentylpropyl, 3-cyclohexylpropyl, 3-cycloheptylpropyl, 4-cyclobutylbutyl, 4 -Cyclopentylbutyl, 4-cyclohexylbutyl and the like.
- Examples of the aryl group having 6 to 20 carbon atoms include one or more of phenyl, tolyl, xylyl, ethylphenyl, naphthyl, anthryl, phenanthrenyl, the alkyl group, the alkenyl group, the carboxyl group, and the halogen atom.
- Substituted phenyl, biphenylyl, naphthyl, anthryl and the like, for example, 4-chlorophenyl, 4-carboxylphenyl, 4-vinylphenyl, 4-methylphenyl, 2,4,6-trimethylphenyl and the like can be mentioned.
- aryl group having 6 to 10 carbon atoms examples include phenyl, tolyl, xylyl, ethylphenyl, naphthyl, etc., phenyl substituted with one or more of the above alkyl group, the above alkenyl group, carboxyl group, halogen atom, etc.
- Biphenylyl, naphthyl, anthryl and the like for example, 4-chlorophenyl, 4-carboxylphenyl, 4-vinylphenyl, 4-methylphenyl, 2,4,6-trimethylphenyl and the like.
- arylalkyl group having 7 to 20 carbon atoms means a group having 7 to 20 carbon atoms in which a hydrogen atom of the alkyl group is replaced with an aryl group.
- examples include benzyl, ⁇ -methylbenzyl, ⁇ , ⁇ -dimethylbenzyl, phenylethyl and naphthylpropyl.
- the arylalkyl group having 7 to 10 carbon atoms means a group having 7 to 10 carbon atoms in which the hydrogen atom of the alkyl group is replaced with an aryl group, and examples thereof include benzyl, ⁇ -methylbenzyl, ⁇ , ⁇ -dimethylbenzyl, phenylethyl and the like can be mentioned.
- the group having 2 to 20 carbon atoms containing the heterocyclic ring represented by R 10 to R 38 in the general formula (I) is not particularly limited, and examples thereof include pyrrolyl, pyridyl, pyridylethyl, Pyrimidyl, pyridazyl, piperazyl, piperidyl, pyranyl, pyranylethyl, pyrazolyl, triazyl, triazylmethyl, pyrrolidyl, quinolyl, isoquinolyl, imidazolyl, benzimidazolyl, triazolyl, furyl, furanyl, benzofuranyl, thienyl, thiophenyl, benzothiophenyl, thiadiazolyl, thiazolyl, Benzothiazolyl, oxazolyl, benzoxazolyl, isothiazolyl, isoxazolyl, indolyl, morpholinyl, thi
- each R independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms
- Z represents a direct bond or an alkylene group having 1 to 6 carbon atoms. Represents a bond in the * part of the group represented by these formulas.
- Examples of the alkyl group having 1 to 6 carbon atoms represented by R in the above formula include those having 1 to 6 carbon atoms among those exemplified as the alkyl group having 1 to 20 carbon atoms described above. it can.
- Examples of the 20 alkylene group having 1 to 6 carbon atoms represented by Z in the above formula include those having 1 to 6 carbon atoms among those exemplified above as the alkylene group having 1 to 20 carbon atoms. be able to.
- Examples of the halogen atom represented by R 1 to R 8 and R 10 to R 38 include fluorine, chlorine, bromine and iodine.
- Examples of the unsaturated bond that may substitute the methylene group in the groups represented by R 1 to R 8 and R 10 to R 38 include —C ⁇ C— and —C ⁇ C—.
- the ring thus formed include cyclopentane, cyclohexane, cyclopentene, benzene, pyrrolidine, pyrrole, piperazine, morpholine, thiomorpholine, tetrahydropyridine, lactone ring and lactam ring, 5- to 7-membered rings, naphthalene and anthracene, etc. And the like.
- the unsaturated monobasic acid is an acid having an unsaturated bond in the structure and having one hydrogen atom per molecule that can be ionized to form a hydrogen ion.
- the unsaturated monobasic acid include acrylic acid, methacrylic acid, crotonic acid, cinnamic acid, sorbic acid and hydroxyethyl methacrylate / malate, hydroxypropyl methacrylate / malate, hydroxypropyl acrylate / malate, and dicyclopentadiene / malate. Is mentioned.
- the polybasic acid anhydride that is acted after the unsaturated monobasic acid is allowed to act has an acid anhydride group formed by dehydration condensation of a carboxy group of a polybasic acid having a plurality of carboxy groups. Means a compound.
- polybasic acid anhydride examples include biphenyltetracarboxylic dianhydride, tetrahydrophthalic anhydride, succinic anhydride, biphthalic anhydride, maleic anhydride, trimellitic anhydride, pyromellitic anhydride, 2,2 '-3,3'-benzophenone tetracarboxylic anhydride, ethylene glycol bisanhydro trimellitate, glycerol tris anhydro trimellitate, hexahydrophthalic anhydride, methyl tetrahydrophthalic anhydride, nadic anhydride, methyl nadic acid Anhydride, trialkyltetrahydrophthalic anhydride, hexahydrophthalic anhydride, 5- (2,5-dioxotetrahydrofuryl) -3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride, trialkyltetrahydrophthalic anhydride Acid-
- the reaction molar ratio of the epoxy compound, the unsaturated monobasic acid and the polybasic acid anhydride is preferably as follows. That is, the epoxy addition compound is preferably added so that the carboxyl group of the unsaturated monobasic acid has a ratio of 0.1 to 1.0 with respect to one epoxy group of the epoxy compound.
- the ethylenically unsaturated compound is preferably such that the acid anhydride structure of the polybasic acid anhydride is 0.1 to 1.0 with respect to one hydroxyl group of the epoxy adduct. .
- the reaction of the epoxy compound represented by the general formula (I), the unsaturated monobasic acid and the polybasic acid anhydride can be performed according to a conventional method.
- a monofunctional or polyfunctional epoxy compound may be further reacted with the alkali developable compound (C).
- the alkali-developable compound (C) preferably has a solid content acid value in the range of 5 to 120 mgKOH / g, and the usage amount of the monofunctional or polyfunctional epoxy compound is selected so as to satisfy the acid value. Is preferred.
- Examples of the monofunctional epoxy compound include glycidyl methacrylate, methyl glycidyl ether, ethyl glycidyl ether, propyl glycidyl ether, isopropyl glycidyl ether, butyl glycidyl ether, isobutyl glycidyl ether, t-butyl glycidyl ether, pentyl glycidyl ether, hexyl glycidyl ether, heptyl Glycidyl ether, octyl glycidyl ether, nonyl glycidyl ether, decyl glycidyl ether, undecyl glycidyl ether, dodecyl glycidyl ether, tridecyl glycidyl ether, tetradecyl glycidyl ether, pentadecy
- the polyfunctional epoxy compound it is preferable to use one or more compounds selected from the group consisting of bisphenol-type epoxy compounds and glycidyl ethers because a polymerizable composition with better characteristics can be obtained.
- the bisphenol type epoxy compound an epoxy compound represented by the above general formula (I) can be used, and for example, a bisphenol type epoxy compound such as a hydrogenated bisphenol type epoxy compound can also be used.
- glycidyl ethers examples include ethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, 1,4-butanediol diglycidyl ether, 1,6-hexanediol diglycidyl ether, 1,8-octanediol diglycidyl ether, 1,10-decanediol diglycidyl ether, 2,2-dimethyl-1,3-propanediol diglycidyl ether, diethylene glycol diglycidyl ether, triethylene glycol diglycidyl ether, tetraethylene glycol diglycidyl ether, hexaethylene glycol diglycidyl Ether, 1,4-cyclohexanedimethanol diglycidyl ether, 1,1,1-tri (glycidyloxymethyl) propane, 1,1,1-to (Glycidyloxymethyl) ethane, 1,1,1-tri (glycidy
- novolac epoxy compounds such as phenol novolac epoxy compounds, biphenyl novolac epoxy compounds, cresol novolac epoxy compounds, bisphenol A novolac epoxy compounds, dicyclopentadiene novolac epoxy compounds; 3,4-epoxy-6-methyl Cycloaliphatic epoxy such as cyclohexylmethyl-3,4-epoxy-6-methylcyclohexanecarboxylate, 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, 1-epoxyethyl-3,4-epoxycyclohexane Compound: Glycidyl esters such as diglycidyl phthalate, diglycidyl tetrahydrophthalate, glycidyl dimer, tetraglycidyl diamino Glycidylamines such as phenylmethane, triglycidyl P-aminophenol and N, N-diglycidylaniline; heterocycl
- a commercially available product can also be suitably used as the alkali developable compound (C).
- Examples of the commercially available products include SPC1000, SPC-2000, SPC-3000, SPRR-1X, SPRR-2X, SPRR-3X, SPRR-5X, SPRR-6X, SPRR-7X, SPRR-8X, SPRR-9X, SPRR-10X, SPRR-11X, SPRR-12X, SPRR-13X, SPRR-14X, SPRR-15X, SPRR-16X, SPRR-17X, SPRR-18X, SPRR-19X, SPRR-20X, SPRR-21X (above, Showa Denko KK), JET2000, AGOR1060, AGOR3060, ORGA1060, ORGA2060 (above, manufactured by Osaka Organic Chemical Co., Ltd.), CCR-1171H (manufactured by Nippon Kayaku Co., Ltd.), and the like.
- the content of the alkali developable compound (C) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant (B), and the alkali developable compound.
- the total amount of (C), the ethylenically unsaturated compound (D) and the polymerization initiator (E) is preferably 100 to 80 parts by mass, more preferably 20 to 80 parts by mass, Preferably, it is 30 to 70 parts by mass.
- content of an alkali developable compound (C) exists in said range, it is preferable from the alkali developability of polymeric composition being favorable.
- the content of the alkali-developable compound (C) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant ( B), preferably 10 to 80 parts by mass, more preferably 20 to 100 parts by mass with respect to a total of 100 parts by mass of the alkali-developable compound (C), the ethylenically unsaturated compound (D) and the polymerization initiator (E). 80 parts by mass, more preferably 30 to 70 parts by mass.
- the ethylenically unsaturated compound (D) used in the present invention is a compound having an ethylenically unsaturated bond and not the urethane (meth) acrylate compound (A) and the alkali developable compound (C). .
- Examples of the ethylenically unsaturated compound (D) include unsaturated aliphatic hydrocarbons such as ethylene, propylene, butylene, isobutylene, vinyl chloride, vinylidene chloride, vinylidene fluoride, tetrafluoroethylene; (meth) acrylic acid, ⁇ -Chloracrylic acid, itaconic acid, maleic acid, citraconic acid, fumaric acid, hymic acid, crotonic acid, isocrotonic acid, vinyl acetic acid, allyl acetic acid, cinnamic acid, sorbic acid, mesaconic acid, monosuccinic acid [2- (meth) Acryloyloxyethyl], mono [2- (meth) acryloyloxyethyl] phthalate, ⁇ -carboxypolycaprolactone mono (meth) acrylate, and other polymer mono (meth) acrylates having a carboxy group and a hydroxy
- ethylenically unsaturated compound examples include Kayrad DPHA, DPEA-12, PEG400DA, THE-330, RP-1040, NPGDA, PET30, R-684 (above, Nippon Kayaku); Aronix M-215, M-350 ( ND ester A-DPH, A-TMPT, A-DCP, A-HD-N, TMPT, DCP, NPG and HD-N (above, Shin-Nakamura Chemical Co., Ltd.); SPC-1000, SPC-3000 (manufactured by Showa Denko KK);
- the content of the ethylenically unsaturated compound (D) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant (B), and alkali developability.
- the total amount of the compound (C), the ethylenically unsaturated compound (D) and the polymerization initiator (E) is preferably 100 to 50 parts by mass, more preferably 10 to 50 parts by mass, More preferably, it is 10 to 30 parts by mass.
- the content of the ethylenically unsaturated compound (D) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant (B), the alkali-developable compound (C), the ethylenically unsaturated compound (D), and the polymerization initiator (E) in total 100 parts by mass, the ethylenically unsaturated compound (D) is preferably 10 to 70. It is 30 parts by mass, more preferably 30-60 parts by mass, and still more preferably 30-50 parts by mass.
- ⁇ Polymerization initiator (E)> As the polymerization initiator (E) used in the polymerizable composition of the present invention, a conventionally known radical polymerization initiator can be used.
- the radical polymerization initiator is a photo radical polymerization initiator and a thermal radical polymerization initiator.
- a radical photopolymerization initiator is more preferred because of its high reactivity.
- the radical photopolymerization initiator is not particularly limited as long as it generates radicals by light irradiation, and a conventionally known compound can be used.
- a conventionally known compound can be used.
- preferred compounds include oxime compounds and oxime ester compounds.
- acetophenone compounds include diethoxyacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, 4′-isopropyl-2-hydroxy-2-methylpropiophenone, and 2-hydroxymethyl-2.
- benzyl compound examples include benzyl.
- benzophenone compounds include benzophenone, methyl o-benzoylbenzoate, Michler's ketone, 4,4′-bisdiethylaminobenzophenone, 4,4′-dichlorobenzophenone and 4-benzoyl-4′-methyldiphenyl sulfide. .
- thioxanthone compound examples include thioxanthone, 2-methylthioxanthone, 2-ethylthioxanthone, 2-chlorothioxanthone, 2-isopropylthioxanthone, and 2,4-diethylthioxanthone.
- the oxime ester-based compound means a compound having a group represented by the above general formula (II), and is preferable for the polymerizable composition of the present invention because of its good sensitivity among the above radical photopolymerization initiators. Can be used.
- the hydrocarbon group having 1 to 20 carbon atoms represented by R 41 to R 43 in the general formula (II) is the same as the hydrocarbon group having 1 to 20 carbon atoms represented by R 1 to R 38 , respectively. It is.
- the group having 2 to 20 carbon atoms containing a heterocyclic ring that may modify the group represented by R 41 and R 42 and R 41 or R 42 in the general formula (II) is R 10 to R 38.
- the compound represented by the following general formula (III) is preferably used in the polymerizable composition of the present invention because of its particularly high sensitivity.
- R 51 and R 52 each independently represent a direct bond, a hydrogen atom, a cyano group, a hydrocarbon group having 1 to 20 carbon atoms, or a group having 2 to 20 carbon atoms containing a heterocyclic ring
- X 1 represents an oxygen atom, a sulfur atom, a selenium atom
- CR 53 R 54 CO, NR 55 or PR 56
- R 53 to R 56 each independently represents a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or a group having 2 to 20 carbon atoms containing a heterocyclic ring, and represented by R 53 to R 56.
- the hydrogen atom in the group may be substituted with a group having 2 to 20 carbon atoms containing a halogen atom, a nitro group, a cyan group, a hydroxyl group, a carboxyl group or a heterocyclic ring,
- the methylene group in the group represented by R 51 to R 56 may be substituted with —O— under the condition that oxygen is not adjacent.
- R 51 to R 56 may each independently form a ring together with one of the adjacent benzene rings, g represents a number from 0 to 5; h represents a number from 0 to 4. )
- the hydrocarbon group having 1 to 20 carbon atoms represented by R 51 to R 56 in the general formula (III) is a hydrocarbon group having 1 to 20 carbon atoms represented by R 1 to R 38 , respectively. It is the same.
- the group having 2 to 20 carbon atoms containing a heterocyclic ring represented by R 51 to R 56 in the general formula (III) is a carbon atom containing a heterocyclic ring represented by R 10 to R 38. This is the same as the group of formula 2-20.
- the use of a compound represented by the following general formula (IV) as the polymerization initiator (E) is highly sensitive and has excellent adhesion to the substrate of the pattern after development. This is preferable because low liquid crystal contamination is improved.
- R 51a and R 52a each independently represents a hydrogen atom, a cyano group, a hydrocarbon group having 1 to 20 carbon atoms, or a group having 2 to 20 carbon atoms containing a heterocyclic ring
- R a represents CR a1 R a2 R a3
- R a1 , R a2 and R a3 each independently represent a hydrogen atom, a hydroxyl group, an amino group, a hydrocarbon group having 1 to 20 carbon atoms, or a group having 2 to 20 carbon atoms containing a heterocyclic ring
- X 1a represents an oxygen atom, a sulfur atom, a selenium atom
- CR 53a R 54a CO, NR 55a or PR 56a
- R 53a to R 56a each independently represents a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or a group having 2 to 20 carbon atoms containing a heterocyclic ring
- R 51a to R 56a may be substituted with —O— under the condition that oxygen is not adjacent to each other.
- R 51a to R 56a may each independently form a ring together with one of the adjacent benzene rings, g1 represents a number from 0 to 5; h1 represents a number from 0 to 4. )
- the hydrocarbon group having 1 to 20 carbon atoms represented by R a1 to R a3 and R 51 to R 56 is represented by 1 to C carbon atoms represented by R 1 to R 38 , respectively.
- the group having 2 to 20 carbon atoms containing a heterocyclic ring represented by R a1 to R a3 and R 51 to R 56 in the general formula (IV) is a complex represented by R 10 to R 38. This is the same as the group having 2 to 20 carbon atoms containing a ring.
- Preferred examples of the polymerization initiator (E) include compound Nos. Shown below. E1-No. E15 is exemplified, and examples of the compound represented by the general formula (III) include the compound No. 1 shown below. E1 and No. E3-No. E15 may be mentioned. Examples of the compound represented by the general formula (IV) include compound No. 1 shown below. E2.
- the polymerization initiator (E) used in the present invention is not limited by the following compounds.
- radical polymerization initiators include phosphine oxide compounds such as 2,4,6-trimethylbenzoyldiphenylphosphine oxide and bis (cyclopentadienyl) -bis [2,6-difluoro-3- (pill-1). -Yl)] titacene compounds such as titanium.
- radical initiators include Adekaoptomer N-1414, N-1717, N-1919, Adeka Arcles NCI-831, NCI-930 (manufactured by ADEKA); IRGACURE 184, IRGACURE 369, IRGACURE 651, IRGACURE 907, IRGACURE OX 01, IRGACURE OXE02, IRGACURE784 (above, manufactured by BASF); TR-PBG-304, TR-PBG-305, TR-PBG-309, and TR-PBG-314 (above, manufactured by Troly);
- the thermal radical polymerization initiator is not particularly limited as long as it generates radicals by heating, and conventionally known compounds can be used.
- azo compounds, peroxides and persulfates are preferable. It can be illustrated as a thing.
- azo compound examples include 2,2'-azobisisobutyronitrile, 2,2'-azobis (methylisobutyrate), 2,2'-azobis-2,4-dimethylvaleronitrile, 1,1'- And azobis (1-acetoxy-1-phenylethane).
- peroxide examples include benzoyl peroxide, di-t-butylbenzoyl peroxide, t-butyl peroxypivalate, and di (4-t-butylcyclohexyl) peroxydicarbonate.
- persulfates examples include persulfates such as ammonium persulfate, sodium persulfate, and potassium persulfate.
- a polymerization initiator having a hydroxyl group is particularly preferable because it can provide a display device having low liquid crystal contamination and excellent electrical characteristics.
- R 41 in the general formula (II) is preferably an alkyl group having 1 to 10 carbon atoms or a cycloalkyl group having 4 to 10 carbon atoms.
- R 42 in the general formula (II) is preferably an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 10 carbon atoms.
- X 1 is preferably a sulfur atom.
- g is preferably 1 and R 51 is preferably an alkyl group having 1 to 10 carbon atoms.
- the terminal hydrogen atom of the alkyl group is preferably substituted with a hydroxyl group, and the methylene group in the alkyl group is preferably substituted with —O—.
- X 1a is preferably a sulfur atom.
- g1 is preferably 1, and R 51a is preferably an alkyl group having 1 to 10 carbon atoms.
- the terminal hydrogen atom of the alkyl group is preferably substituted with a hydroxyl group, and the methylene group in the alkyl group is preferably substituted with —O—.
- at least one of R a1 to R a3 is preferably a group having 2 to 20 carbon atoms containing a heterocyclic ring.
- R a1 to R a3 are preferably an alkyl group having 1 to 10 carbon atoms.
- R a1 is a group having 2 to 20 carbon atoms containing a heterocyclic ring
- R a2 and R a3 are each independently An alkyl group having 1 to 10 carbon atoms is preferable.
- the polymerization initiator (E) can be used alone or in combination of two or more kinds exemplified above.
- the content of the polymerization initiator (E) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant (B), and the alkali developable compound.
- the total curability of (C), ethylenically unsaturated compound (D) and polymerization initiator (E) is preferably from 0.3 to 20 parts by mass, more preferably from 0. 5 to 10 parts by mass, more preferably 3 to 8 parts by mass.
- the content of the polymerizable compound (B) is in the above range, it is preferable because a polymerizable composition having good curability and excellent storage stability without precipitation of a polymerization initiator is obtained.
- the content of the polymerization initiator (E) is not particularly limited, but the urethane (meth) acrylate compound (A), the colorant (B ), Alkali developable compound (C), ethylenically unsaturated compound (D), and polymerization initiator (E) in a total of 100 parts by mass, preferably 0.3 to 20 parts by mass, more preferably 0.5. -10 parts by mass, more preferably 3-8 parts by mass.
- a solvent can be further added to the polymerizable composition of the present invention.
- the solvent the above components (urethane (meth) acrylate compound (A), colorant (B), alkali-developable compound (C), ethylenically unsaturated compound (D) and polymerization are usually used as necessary.
- a solvent capable of dissolving or dispersing the initiator (E) and the like can be used.
- ketones such as methyl ethyl ketone, methyl amyl ketone, diethyl ketone, acetone, methyl isopropyl ketone, methyl isobutyl ketone, cyclohexanone and 2-heptanone; ethyl ether, dioxane, tetrahydrofuran, 1,2-dimethoxyethane, 1,2-di Ether solvents such as ethoxyethane and dipropylene glycol dimethyl ether; ester solvents such as methyl acetate, ethyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate, cyclohexyl acetate, ethyl lactate, dimethyl succinate and texanol; Cellosolve solvents such as ethylene glycol monomethyl ether and ethylene glycol monoethyl ether; methanol, ethanol, iso
- solvents can be used as one or two or more mixed solvents.
- ketones and ether ester solvents, etc., particularly PGMEA and cyclohexanone are preferable because the compatibility of the resist and the polymerization initiator is good in the polymerizable composition.
- the content of the solvent is not particularly limited, but is preferably 30 to 95% by mass, more preferably 50% in 100% by mass of the total polymerizable composition. ⁇ 95% by mass.
- the content of the solvent is in the above range, handling properties (viscosity and wettability of the polymerizable composition), reduction of unevenness during drying, and liquid stability (without precipitation or sedimentation of components contained in the composition) It is preferable because it becomes an excellent polymerizable composition, and the thickness of the cured product can be appropriately controlled when a cured product is obtained.
- the polymerizable composition of the present invention may further contain an epoxy compound, an alkali developability imparting agent, a dispersant, a latent additive, an organic polymer, an inorganic compound, a coupling agent, a chain transfer agent, and a sensitization.
- Examples of the epoxy compound include methyl glycidyl ether, 2-ethylhexyl glycidyl ether, butyl glycidyl ether, decyl glycidyl ether, C12-13 mixed alkyl glycidyl ether, phenyl-2-methyl glycidyl ether, cetyl glycidyl ether, stearyl glycidyl ether, Glycidyl methacrylate, isopropyl glycidyl ether, allyl glycidyl ether, ethyl glycidyl ether, 2-methyloctyl glycidyl ether, phenyl glycidyl ether, 4-n-butylphenyl glycidyl ether, 4-phenylphenol glycidyl ether, cresyl glycidyl ether, dibromocresyl ether Glycid
- Epoxidized polyolefin can also be used as the epoxy compound.
- the epoxidized polyolefin is a polyolefin having an epoxy group introduced by modifying the polyolefin with an epoxy group-containing monomer. It can be produced by copolymerizing ethylene or an ⁇ -olefin having 3 to 20 carbon atoms, an epoxy group-containing monomer, and, if necessary, another monomer by either a copolymerization method or a graft method. Ethylene or an ⁇ -olefin having 3 to 20 carbon atoms, an epoxy group-containing monomer, and other monomers may be polymerized alone or in combination with other monomers.
- the double bond of the nonconjugated polybutadiene which has a hydroxyl group at the terminal can be obtained by epoxidation by the peracetic acid method, and those having a hydroxyl group in the molecule may be used. It is also possible to urethanize a hydroxyl group with an isocyanate and introduce an epoxy group by reacting with a primary hydroxyl group-containing epoxy compound.
- Examples of the ethylene or ⁇ -olefin having 3 to 20 carbon atoms include ethylene, propylene, butylene, isobutylene, 1,3-butadiene, 1,4-butadiene, 1,3-pentadiene, 2,3-dimethyl-1,3. -Butadiene, piperylene, 3-butyl-1,3-octadiene, isoprene and the like.
- Examples of the epoxy group-containing monomer include glycidyl ester of ⁇ , ⁇ -unsaturated acid, vinyl benzyl glycidyl ether, and allyl glycidyl ether.
- Specific examples of the glycidyl ester of ⁇ , ⁇ -unsaturated acid include glycidyl acrylate, glycidyl methacrylate and glycidyl ethacrylate, and glycidyl methacrylate is particularly preferable.
- Suitable commercially available products can be used as the epoxy compound. Suitable commercially available products include, for example, Epolite 40E, 1500NP, 1600, 80MF, 4000 and 3002 (manufactured by Kyoeisha Chemical); Adekaglycilol ED-503, ED-503D, ED-503G, ED-523T, ED- 513, ED-501, ED-502, ED-509, ED-518, ED-529, Adeka Resin EP-4000, EP-4005, EP-4080 and EP-4085 (above, manufactured by ADEKA); Denacol EX-201, EX-203, EX-211, EX-212, EX-221, EX-251, EX-252, EX-711, EX-721, Denacol EX-111, EX-121, EX-141, EX-142, EX -145, EX-146, EX-147, EX-171, EX-192 and E -731 (above, manufactured by Nag
- the alkali developability-imparting agent is a compound that does not have radical polymerizability and imparts alkali developability.
- any compound that has an acid value and is soluble in an aqueous alkali solution can be used.
- a typical example is an alkali-soluble novolak resin (hereinafter simply referred to as “novolak resin”).
- the novolak resin is obtained by polycondensation of phenols and aldehydes in the presence of an acid catalyst.
- phenols examples include phenol, o-cresol, m-cresol, p-cresol, o-ethylphenol, m-ethylphenol, p-ethylphenol, o-butylphenol, m-butylphenol, p-butylphenol, 2, 3-xylenol, 2,4-xylenol, 2,5-xylenol, 3,4-xylenol, 3,5-xylenol, 2,3,5-trimethylphenol, p-phenylphenol, hydroquinone, catechol, resorcinol, 2- Methyl resorcinol, pyrogallol, ⁇ -naphthol, bisphenol A, dihydroxybenzoic acid ester, gallic acid ester and the like are used.
- phenol, o-cresol, m-cresol, p-cresol, 2,5- Shirenoru, 3,5-xylenol, 2,3,5-trimethylphenol, resorcinol, 2-methyl resorcinol and bisphenol A are preferable. These phenols are used alone or in combination of two or more.
- aldehydes examples include formaldehyde, paraformaldehyde, acetaldehyde, propylaldehyde, benzaldehyde, phenylacetaldehyde, ⁇ -phenylpropylaldehyde, ⁇ -phenylpropylaldehyde, o-hydroxybenzaldehyde, m-hydroxybenzaldehyde, p-hydroxybenzaldehyde, o -Chlorobenzaldehyde, m-chlorobenzaldehyde, p-chlorobenzaldehyde, o-nitrobenzaldehyde, m-nitrobenzaldehyde, p-nitrobenzaldehyde, o-methylbenzaldehyde, m-methylbenzaldehyde, p-methylbenzaldehyde, p-ethylbenzaldehyde and p -N-butylbenzaldehy
- the acid catalyst examples include inorganic acids such as hydrochloric acid, nitric acid, and sulfuric acid, or organic acids such as formic acid, oxalic acid, and acetic acid.
- the amount of these acid catalysts used is preferably 1 ⁇ 10 ⁇ 4 to 5 ⁇ 10 ⁇ 1 mol per mol of phenol.
- water is usually used as a reaction medium.
- the reaction medium is hydrophilic.
- a solvent can also be used.
- hydrophilic solvents examples include alcohols such as methanol, ethanol, propanol and butanol, or cyclic ethers such as tetrahydrofuran and dioxane.
- the amount of these reaction media used is usually 20 to 1000 parts by mass per 100 parts by mass of the reaction raw material.
- the reaction temperature of the condensation reaction can be appropriately adjusted according to the reactivity of the reaction raw materials, but is usually 10 to 200 ° C., preferably 70 to 150 ° C. After completion of the condensation reaction, in order to remove unreacted raw materials, acid catalyst and reaction medium present in the system, the internal temperature is generally raised to 130 to 230 ° C., and the volatile component is distilled off under reduced pressure.
- the melted novolac resin is collected on a steel belt or the like.
- the reaction mixture is dissolved in the hydrophilic solvent and added to a precipitating agent such as water, n-hexane and n-heptane to precipitate a novolak resin, and the precipitate is separated and dried by heating. It can also be recovered by doing so.
- Examples other than the novolak resin include polyhydroxystyrene or a derivative thereof, a styrene-maleic anhydride copolymer, and polyvinylhydroxybenzoate.
- the dispersing agent may be anything as long as it can disperse and stabilize the colorant (B), and a commercially available dispersing agent, for example, BYK series, BYK series, etc. can be used, polyester having a basic functional group, Polymer dispersing agent made of polyether, polyurethane, nitrogen atom as basic functional group, functional group having nitrogen atom is amine and / or quaternary salt thereof, amine value is 1 to 100 mgKOH / g Those are preferably used.
- the latent additive is inactive at room temperature, in the light exposure step and in the pre-bake step, and is protected at 100 to 250 ° C. or heated at 80 to 200 ° C. in the presence of an acid / base catalyst. Is activated by desorption. Examples of the effects obtained by activation include oxidation prevention, ultraviolet absorption, antifouling property, recoatability and adhesion.
- the latent additive those described in the pamphlet of WO2014 / 021023 can be preferably used.
- latent additive commercially available products can be used, and examples thereof include Adeka Arcles GPA-5001.
- organic polymer examples include polystyrene, polymethyl methacrylate, methyl methacrylate-ethyl acrylate copolymer, poly (meth) acrylic acid, styrene- (meth) acrylic acid copolymer, (meth) acrylic acid-methyl methacrylate.
- Copolymer ethylene-vinyl chloride copolymer, ethylene-vinyl copolymer, polyvinyl chloride resin, ABS resin, nylon 6, nylon 66, nylon 12, urethane resin, polycarbonate polyvinyl butyral, cellulose ester, polyacrylamide, saturated Polyester, phenolic resin, phenoxy resin, polyamideimide resin, polyamic acid resin, epoxy resin, and the like.
- polystyrene, (meth) acrylic acid-methyl methacrylate copolymer, and epoxy resin are included.
- the organic polymer By using the organic polymer together with the alkali developable compound (C), the properties of the cured product can be improved.
- the amount used is preferably 10 to 500 parts by mass with respect to 100 parts by mass of the alkali-developable compound (C).
- the above inorganic compound can be contained.
- the inorganic compound include metal oxides such as nickel oxide, iron oxide, iridium oxide, titanium oxide, zinc oxide, magnesium oxide, calcium oxide, potassium oxide, silica and alumina; lamellar clay mineral, miloli blue, calcium carbonate, Magnesium carbonate, cobalt, manganese, glass powder, mica, talc, kaolin, ferrocyanide, various metal sulfates, sulfides, selenides, aluminum silicate, calcium silicate, aluminum hydroxide, platinum, gold, silver and copper Among these, titanium oxide, silica, layered clay mineral, silver and the like are preferable.
- an inorganic compound in the polymerizable composition of the present invention By containing an inorganic compound in the polymerizable composition of the present invention, it can be used as a photosensitive paste composition.
- the photosensitive paste composition is used to form a fired product pattern such as a partition pattern, a dielectric pattern, an electrode pattern, and a black matrix pattern of a plasma display panel.
- These inorganic compounds are also suitably used as, for example, fillers, antireflection agents, conductive agents, stabilizers, flame retardants, mechanical strength improvers, special wavelength absorbers, and ink repellent agents.
- the content of the inorganic compound is preferably 0.1 to 50 parts by mass with respect to 100 parts by mass of the alkali developable compound (C).
- the amount is preferably 0.5 to 20 parts by mass, and one or more of these inorganic compounds can be used.
- Examples of the coupling agent include dimethyldimethoxysilane, dimethyldiethoxysilane, methylethyldimethoxysilane, methylethyldiethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, and ethyltrimethoxysilane.
- a sulfur atom-containing compound is generally used.
- the surfactant examples include fluorine surfactants such as perfluoroalkyl phosphates and perfluoroalkyl carboxylates, anionic surfactants such as higher fatty acid alkali salts, alkyl sulfonates, and alkyl sulfates, and higher amines. Cationic surfactants such as halogenates and quaternary ammonium salts, nonionic surfactants such as polyethylene glycol alkyl ethers, polyethylene glycol fatty acid esters, sorbitan fatty acid esters, fatty acid monoglycerides, amphoteric surfactants and silicone surfactants Surfactants such as agents can be used, and these may be used in combination.
- fluorine surfactants such as perfluoroalkyl phosphates and perfluoroalkyl carboxylates
- anionic surfactants such as higher fatty acid alkali salts, alkyl sulfonates, and alkyl sulfates,
- Examples of the melamine compound include all or part of active methylol groups (CH 2 OH groups) in nitrogen compounds such as (poly) methylol melamine, (poly) methylol glycoluril, (poly) methylol benzoguanamine, and (poly) methylol urea. Mention may be made of compounds in which (at least two) are alkyl etherified.
- examples of the alkyl group constituting the alkyl ether include a methyl group, an ethyl group, and a butyl group, which may be the same as or different from each other.
- the methylol group which is not alkyletherified may be self-condensed within one molecule, or may be condensed between two molecules, and as a result, an oligomer component may be formed.
- an oligomer component may be formed.
- hexamethoxymethyl melamine, hexabutoxymethyl melamine, tetramethoxymethyl glycoluril, tetrabutoxymethyl glycoluril, and the like can be used.
- alkyl etherified melamines such as hexamethoxymethyl melamine and hexabutoxymethyl melamine are preferable.
- urethane (meth) acrylate compound (A), colorant (B), alkali developable compound (C), ethylenically unsaturated compound (D), polymerization initiator (E), solvent The content of optional components other than inorganic compounds is appropriately selected according to the purpose of use, and is not particularly limited as long as the effects of the present invention are not impaired.
- the urethane (meth) acrylate compound (A) is used. , 20 parts by mass or less in total with respect to 100 parts by mass in total of the colorant (B), the alkali-developable compound (C), the ethylenically unsaturated compound (D) and the polymerization initiator (E).
- the photosensitive composition for BCS of the present invention includes, as essential components, a urethane (meth) acrylate compound (A), a colorant (B), an alkali developable compound (C), an ethylenically unsaturated compound (D), and polymerization initiation. It is a composition that contains an agent (E), has photosensitivity and alkali developability, and is particularly suitable for forming BCS.
- the polymerizable composition or the photosensitive composition for BCS and the cured product of the present invention are curable paint, varnish, curable adhesive, printed circuit board, display display device (color TV, PC monitor, portable information terminal, digital camera, etc.
- Color filters for liquid crystal display panels of color display color filters for various display applications, color filters for CCD image sensors, touch panels, electroluminescent display devices, plasma display panels, organic EL black barriers), powder coating, printing ink ,
- the display device of the present invention has the same configuration as a conventionally known display device except that it includes the cured product (particularly BCS) of the present invention, but the BCS is preferably provided between cells.
- an alkali-developable compound having a weight average molecular weight of 5000 or more is used because the pattern shape is vertical, development adhesion is improved, and heat resistance is improved. More preferably, an alkali developable compound having a weight average molecular weight of 7000 to 15000 is preferably used.
- the alkali-developable compound is obtained by an esterification reaction between an epoxy addition compound having a structure in which an unsaturated monobasic acid is added to the epoxy compound represented by the general formula (I) and a polybasic acid anhydride. Particularly preferred is an unsaturated compound having the structure shown below.
- the polymerizable composition of the present invention and the photosensitive composition for BCS are soda glass, quartz glass, and semiconductor by known means such as spin coater, roll coater, bar coater, die coater, curtain coater, various printing and dipping.
- the present invention can be applied on a support substrate such as a substrate, metal, paper, or plastic. Moreover, after once applying on support bases, such as a film, it can also transfer on another support base
- an ultrahigh pressure mercury lamp As a light source for energy rays used for curing the polymerizable composition of the present invention and the photosensitive composition for BCS, an ultrahigh pressure mercury lamp, a high pressure mercury lamp, a medium pressure mercury lamp, a low pressure mercury lamp, mercury vapor Electromagnetic wave energy or electron beam having a wavelength of 2000 angstrom to 7000 angstrom obtained from arc lamp, xenon arc lamp, carbon arc lamp, metal halide lamp, fluorescent lamp, tungsten lamp, excimer lamp, germicidal lamp, light emitting diode, CRT light source, etc.
- high energy rays such as X-rays and radiation
- an ultra-high pressure mercury lamp that emits light having a wavelength of 300 to 450 nm
- a mercury vapor arc lamp preferably, a carbon arc lamp, a xenon arc lamp, and the like.
- the laser direct drawing method that directly forms an image from digital information such as a computer without using a mask improves not only productivity but also resolution and positional accuracy.
- the laser light light having a wavelength of 340 to 430 nm is preferably used, but excimer laser, nitrogen laser, argon ion laser, helium cadmium laser, helium neon laser, krypton ion laser.
- lasers that emit light in the visible to infrared region such as various semiconductor lasers and YAG lasers, are also used. When these lasers are used, a sensitizing dye that absorbs the region from visible to infrared is added.
- BCS is (1) a step of forming a coating film of the photosensitive composition for BCS of the present invention on a substrate, (2) a step of irradiating the coating film with radiation through a mask having a predetermined pattern shape, ( It is preferably formed by 3) a baking step after exposure, (4) a step of developing the coating after exposure, and (5) a step of heating the coating after development.
- a multi-tone mask such as a halftone mask or a gray scale mask can be used.
- the display device of the present invention has the same configuration as a conventionally known display device except that it includes the cured product (particularly BCS) of the present invention, but the BCS is preferably provided between cells.
- zirconia beads having a diameter of 0.3 mm are added in the same weight as the dispersion (solvent: excluding PGMEA) and subjected to dispersion treatment with a paint shaker at a temperature of 25 to 60 ° C. for 6 hours. Thereafter, the zirconia beads were removed using a filter to obtain a dispersion.
- PGMEA was added to the obtained dispersion to adjust the dispersion concentration to 20% by mass, and the mixture was made uniform with a stirrer to obtain lactam black dispersion B-1.
- zirconia beads having a diameter of 0.3 mm are added in the same weight as the dispersion (solvent: excluding PGMEA) and subjected to dispersion treatment with a paint shaker at a temperature of 25 to 60 ° C. for 6 hours. Thereafter, the zirconia beads were removed using a filter to obtain a dispersion.
- PGMEA was added to the obtained dispersion to adjust the dispersion concentration to 20% by mass, and the mixture was made uniform with a stirrer to obtain a perylene black dispersion B-2.
- reaction solution was cooled to room temperature, 160 g of PGMEA, 59 g of biphthalic anhydride and 0.24 g of tetra-n-butylammonium bromide were added, and the mixture was stirred at 120 ° C. for 4 hours. Further, 20 g of tetrahydrophthalic anhydride was added, and after stirring at 120 ° C. for 4 hours, at 100 ° C. for 3 hours, at 80 ° C. for 4 hours, at 60 ° C. for 6 hours, and at 40 ° C.
- the mixture was cooled to room temperature, 25.9 g of succinic anhydride, 0.427 g of tetrabutylammonium chloride and 1.37 g of PGMEA were added, and the mixture was stirred at 100 ° C. for 5 hours. Further, 90.0 g of 9,9-bis (4-glycidyloxyphenyl) fluorene, 0.269 g of 2,6-di-t-butyl-p-cresol, and 1.50 g of PGMEA were added, and 90 minutes at 90 ° C. After stirring at 120 ° C.
- Examples 1 to 24 and Comparative Examples 1 to 4 Preparation of Polymerizable Composition
- Each component was mixed in accordance with the formulation of [Table 1] to [Table 4] to obtain a polymerizable composition (Examples 1 to 24 and Comparative Example). 1-4) were obtained.
- surface represents a mass part.
- surface represents the following component.
- Elastic modulus recovery rate (%) was calculated by the following formula.
- Elastic recovery rate (%) [(recovery distance / compression displacement) ⁇ 100]
- a cured product having an elastic recovery rate (%) of 60% or more can be used as a BCS, and a cured product having an elastic recovery rate (%) of 70% or more can be preferably used as a BCS.
- a cured product having (%) of 80% or more can be particularly preferably used as BCS.
- the polymerizable compositions of Examples 1 to 24 and the comparative polymerizable compositions of Comparative Examples 1 to 4 were spin-coated (300 rpm, 7 seconds) and dried on a glass substrate, and then prebaked at 90 ° C. for 100 seconds. . After exposure using an ultrahigh pressure mercury lamp as a light source, the cured product was prepared by baking at 230 ° C. for 30 minutes. The OD value of the obtained film was measured using a Macbeth transmission densitometer, and the OD value per film thickness was calculated by dividing the OD value by the film thickness after post-baking.
- a cured product having an OD value of 1.0 or more per film thickness can be used as BCS, and a cured product having an OD value of 1.5 or more per film thickness can be preferably used as BCS.
- a cured product having an OD value of 2.0 or more can be particularly preferably used as BCS.
- a cured product having an OD value per film thickness of less than 1.0 cannot be used as BCS.
- a cured product having a relative dielectric constant of less than 5.0 can be used as a BCS, a cured product having a relative dielectric constant of 4.5 or less can be preferably used as a BCS, and a cured product having a relative dielectric constant of 4.0 or less. Can be particularly preferably used as BCS. A cured product having a relative dielectric constant of 5.0 or more cannot be used as BCS.
- VHR The polymerizable composition obtained in Examples 1 to 24 and the comparative polymerizable composition obtained in Comparative Examples 1 to 4 were applied onto a glass substrate (100 mm ⁇ 100 mm) using a spin coater, and the coating composition was applied at 90 ° C. Pre-baking was performed for 100 seconds to form a coating film having a thickness of 3.0 ⁇ m. Next, using a mirror projection aligner (product name: TME-150 RTO, manufactured by Topcon Co., Ltd.), the coating film was irradiated with ultraviolet rays at a dose of 200 mJ / cm 2 without using a mask. Thereafter, post-baking was performed at 230 ° C. for 30 minutes.
- a mirror projection aligner product name: TME-150 RTO, manufactured by Topcon Co., Ltd.
- a cured product having a VHR of 90% or more can be used as a BCS, a cured product having a VHR of 95% or more can be preferably used as a BCS, and a cured product having a VHR of 98% or more is It can be particularly preferably used as a BCS.
- a cured product having a VHR of less than 90% cannot be used as a BCS.
- the cured product obtained from the polymerizable composition of the present invention and the photosensitive composition for BCS has a light shielding property (OD value), a dielectric constant, and low liquid crystal contamination. Since (VHR) is satisfied at a high level and the elastic modulus recovery rate is excellent, it is useful as a BCS.
- the cured product obtained from the polymerizable composition of the present invention or the photosensitive composition for BCS is a cured product (particularly BCS) having excellent elastic recovery, low dielectric constant, and good electrical properties.
- the cured product is particularly useful for a display device or the like.
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Abstract
Description
Mで表される炭素原子数1~20の炭化水素基中の水素原子はハロゲン原子で置換される場合があり、
R1、R2、R3、R4、R5、R6、R7及びR8(以下、R1~R8とも記載)は、それぞれ独立に、水素原子、炭素原子数1~20の炭化水素基、又はハロゲン原子を表し、
R1~R8で表される基中のメチレン基は、不飽和結合、-O-又は-S-で置換される場合があり、
nは0~10の数であり、
n≧1の場合、複数存在するR1~R8及びMは、それぞれ、同一である場合もあり、異なる場合もある。)
R10、R11、R12、R13、R14、R15、R16、R17、R18、R19、R20、R21、R22、R23、R24、R25、R26、R27、R28、R29、R30、R31、R32、R33、R34、R35、R36、R37及びR38(以下、R10~R38とも記載)は、それぞれ独立に、水素原子、炭素原子数1~20の炭化水素基、複素環を含有する炭素原子数2~20の基、又はハロゲン原子を表し、
R10~R38で表される基中のメチレン基は、不飽和結合、-O-又は-S-で置換される場合があり、
R10とR11、R11とR12、R12とR13、R13とR14、R22とR15、R15とR16、R30とR23、R23とR24、R24とR25、R38とR31、R31とR32、R32とR33、R34とR35、R35とR36及びR36とR37は結合して環を形成する場合があり、
式(a)、(b)、(c)及び(d)で表される基中の*は、結合手を表す。)
R41及びR42で表される炭素原子数1~20の炭化水素基又はR41及びR42で表される複素環を含有する炭素原子数2~20の基の水素原子はハロゲン原子、ニトロ基、シアノ基、水酸基、アミノ基、カルボキシル基、メタクリロイル基、アクリロイル基、エポキシ基、ビニル基、ビニルエーテル基、メルカプト基、イソシアネート基又は複素環を含有する炭素原子数2~20の基で置換される場合があり、
R41及びR42で表される炭素原子数1~20の炭化水素基又はR41及びR42で表される複素環を含有する炭素原子数2~20の基中のメチレン基は-O-、-CO-、-COO-、-OCO-、-NR43-、-NR43CO-、-S-、-CS-、-SO2-、-SCO-、-COS-、-OCS-又はCSO-で置換される場合もあり、
R43は、水素原子、炭素原子数1~20の炭化水素基を表し、
mは0又は1を表し、
式中の*は、結合手を表す。)
上記ウレタン(メタ)アクリレート化合物(A)は、ウレタン結合、及びメタクリル基又はアクリル基を同一分子内に有する化合物である。上記ウレタン(メタ)アクリレート化合物(A)は、ウレタン結合、及びメタクリル基又はアクリル基を同一分子内に有する化合物であれば特に限定されないが、メタクリル基又はアクリル基を含有するアルコールとイソシアネート化合物を反応させることによって得ることができる。
ウレタン(メタ)アクリレート化合物(A)としては、例えば、フェニルグリシジルエーテルアクリレートヘキサメチレンジイソシアネートウレタンプレポリマー、ペンタエリスリトールトリアクリレートヘキサメチレンジイソシアネートウレタンプレポリマー、ペンタエリスリトールトリアクリレートトルエンジイソシアネートウレタンプレポリマー、ペンタエリスリトールトリアクリレートイソホロンジイソシアネートウレタンプレポリマー、ジペンタエリスリトールペンタアクリレートヘキサメチレンジイソシアネートウレタンプレポリマー等が挙げられる。
例えば厚さ2~5μmの硬化膜を形成する場合には、ウレタン(メタ)アクリレート化合物(A)の含有量は、特に限定されるものではないが、ウレタン(メタ)アクリレート化合物(A)、着色剤(B)、アルカリ現像性化合物(C)、エチレン性不飽和化合物(D)及び重合開始剤(E)の合計100質量部に対して、得られる硬化物の弾性回復率が良好となることから、好ましくは1~20質量部、より好ましくは3~10質量部、更に好ましくは3~8質量部である。
本発明の重合性組成物に用いられる着色剤(B)としては、顔料や染料を用いることができる。顔料及び染料としては、それぞれ、無機色材又は有機色材を用いることができる。これらを単独で又は2種以上を混合して用いることができる。ここで、顔料とは、後述する溶剤に不溶の着色剤を意味し、無機又は有機色材の中でも溶剤に不溶であるもの、或いは無機又は有機染料をレーキ化したものも含まれる。
例えば厚さ1~3μmの硬化物を形成する場合には、着色剤(B)の含有量は、特に限定されるものではないが、アルカリ現像性化合物(C)100質量部に対して、好ましくは、3~30質量部、より好ましくは、5~20質量部であり、更に好ましくは、150~300質量部である。
本発明に係るアルカリ現像性化合物(C)は、上記ウレタン(メタ)アクリレート化合物(A)ではなく、親水性基を有し、且つ、アルカリ現像性を示す化合物である。本発明においては、アルカリ現像性化合物(C)として、上記の条件を満たしている限り、従来用いられている化合物を用いることができる。
上記親水性基としては、水酸基、チオール基、カルボキシル基、スルホ基、アミノ基、アミド基又はその塩等が挙げられ、水酸基及びカルボキシル基が、アルカリ現像性化合物(C)のアルカリへ現像性が高いため好ましい。
アルカリ現像性化合物(C)における親水性基の好ましい官能基当量(親水性基1当量を含む高分子化合物の質量)は、50~10000である。
アルカリ現像性化合物(C)の好ましい分子量は、1000~500000である。
これらの中でも、上記一般式(I)で表されるエポキシ化合物に不飽和一塩基酸を付加させた構造を有するエポキシ付加化合物;又は、上記一般式(I)で表されるエポキシ化合物に不飽和一塩基酸を付加させた構造を有するエポキシ付加化合物と、多塩基酸無水物とのエステル化反応により得られる反応生成物であるアルカリ現像性化合物を用いると、重合性組成物の感度が高くなり、該重合性組成物から得られる硬化物が弾性回復率に優れることから好ましい。
また、上記アルカリ現像性化合物は、不飽和基を0.2~1.0当量含有していることが好ましい。
上記式中のZで表される炭素原子数1~6の20のアルキレン基としては、上述した炭素原子数1~20のアルキレン基として例示したものの中の炭素原子数1~6のものを挙げることができる。
上記不飽和一塩基酸としては、例えば、アクリル酸、メタクリル酸、クロトン酸、桂皮酸、ソルビン酸及びヒドロキシエチルメタクリレート・マレート、ヒドロキシプロピルメタクリレート・マレート、ヒドロキシプロピルアクリレート・マレート及びジシクロペンタジエン・マレート等が挙げられる。
上記多塩基酸無水物としては、ビフェニルテトラカルボン酸二無水物、テトラヒドロ無水フタル酸、無水コハク酸、ビフタル酸無水物、無水マレイン酸、トリメリット酸無水物、ピロメリット酸無水物、2,2’-3,3’-ベンゾフェノンテトラカルボン酸無水物、エチレングリコールビスアンヒドロトリメリテート、グリセロールトリスアンヒドロトリメリテート、ヘキサヒドロ無水フタル酸、メチルテトラヒドロ無水フタル酸、ナジック酸無水物、メチルナジック酸無水物、トリアルキルテトラヒドロ無水フタル酸、ヘキサヒドロ無水フタル酸、5-(2,5-ジオキソテトラヒドロフリル)-3-メチル-3-シクロヘキセン-1,2-ジカルボン酸無水物、トリアルキルテトラヒドロ無水フタル酸-無水マレイン酸付加物、ドデセニル無水コハク酸、無水メチルハイミック酸等が挙げられる。
即ち、上記エポキシ付加化合物は、上記エポキシ化合物のエポキシ基1個に対し、上記不飽和一塩基酸のカルボキシル基が0.1~1.0個の比率となるように付加させるのが好ましく、また上記エチレン性不飽和化合物は、上記エポキシ付加物の水酸基1個に対し、上記多塩基酸無水物の酸無水物構造が0.1~1.0個となる比率となるようにするのが好ましい。
上記一般式(I)で表されるエポキシ化合物、上記不飽和一塩基酸及び上記多塩基酸無水物の反応は、常法に従って行なうことができる。
上記ビスフェノール型エポキシ化合物としては、上記一般式(I)で表されるエポキシ化合物を用いることができる他、例えば、水添ビスフェノール型エポキシ化合物等のビスフェノール型エポキシ化合物も用いることができる。
また上記グリシジルエーテル類としては、エチレングリコールジグリシジルエーテル、プロピレングリコールジグリシジルエーテル、1,4-ブタンジオールジグリシジルエーテル、1,6-ヘキサンジオールジグリシジルエーテル、1,8-オクタンジオールジグリシジルエーテル、1,10-デカンジオールジグリシジルエーテル、2,2-ジメチル-1,3-プロパンジオールジグリシジルエーテル、ジエチレングリコールジグリシジルエーテル、トリエチレングリコールジグリシジルエーテル、テトラエチレングリコールジグリシジルエーテル、ヘキサエチレングリコールジグリシジルエーテル、1,4-シクロヘキサンジメタノールジグリシジルエーテル、1,1,1-トリ(グリシジルオキシメチル)プロパン、1,1,1-トリ(グリシジルオキシメチル)エタン、1,1,1-トリ(グリシジルオキシメチル)メタン、1,1,1,1-テトラ(グリシジルオキシメチル)メタン等を用いることができる。
その他、フェノールノボラック型エポキシ化合物、ビフェニルノボラック型エポキシ化合物、クレゾールノボラック型エポキシ化合物、ビスフェノールAノボラック型エポキシ化合物、ジシクロペンタジエンノボラック型エポキシ化合物等のノボラック型エポキシ化合物;3,4-エポキシ-6-メチルシクロヘキシルメチル-3,4-エポキシ-6-メチルシクロヘキサンカルボキシレート、3,4-エポキシシクロヘキシルメチル-3,4-エポキシシクロヘキサンカルボキシレート、1-エポキシエチル-3,4-エポキシシクロヘキサン等の脂環式エポキシ化合物;フタル酸ジグリシジルエステル、テトラヒドロフタル酸ジグリシジルエステル、ダイマー酸グリシジルエステル等のグリシジルエステル類;テトラグリシジルジアミノジフェニルメタン、トリグリシジルP-アミノフェノール、N,N-ジグリシジルアニリン等のグリシジルアミン類;1,3-ジグリシジル-5,5-ジメチルヒダントイン、トリグリシジルイソシアヌレート等の複素環式エポキシ化合物;ジシクロペンタジエンジオキシド等のジオキシド化合物;ナフタレン型エポキシ化合物;トリフェニルメタン型エポキシ化合物;ジシクロペンタジエン型エポキシ化合物等を用いることもできる。
該市販品としては、例えば、SPC1000、SPC-2000、SPC-3000、SPRR-1X、SPRR-2X、SPRR-3X、SPRR-5X、SPRR-6X、SPRR-7X、SPRR-8X、SPRR-9X、SPRR-10X、SPRR-11X、SPRR-12X、SPRR-13X、SPRR-14X、SPRR-15X、SPRR-16X、SPRR-17X、SPRR-18X、SPRR-19X、SPRR-20X、SPRR-21X(以上、昭和電工社製)、JET2000、AGOR1060、AGOR3060、ORGA1060、ORGA2060(以上、大阪有機化学社製)、CCR-1171H(日本化薬社製)等が挙げられる。
例えば厚さ2~5μmの硬化膜を形成する場合には、アルカリ現像性化合物(C)の含有量は、特に限定されるものではないが、ウレタン(メタ)アクリレート化合物(A)、着色剤(B)、アルカリ現像性化合物(C)、エチレン性不飽和化合物(D)及び重合開始剤(E)の合計100質量部に対して、好ましくは、10~80質量部、より好ましくは、20~80質量部であり、更に好ましくは、30~70質量部である。
本発明で用いられるエチレン性不飽和化合物(D)は、エチレン性不飽和結合を有し、且つ、上記ウレタン(メタ)アクリレート化合物(A)及び上記アルカリ現像性化合物(C)ではない化合物である。エチレン性不飽和化合物(D)としては、例えば、エチレン、プロピレン、ブチレン、イソブチレン、塩化ビニル、塩化ビニリデン、フッ化ビニリデン、テトラフルオロエチレン等の不飽和脂肪族炭化水素;(メタ)アクリル酸、α―クロルアクリル酸、イタコン酸、マレイン酸、シトラコン酸、フマル酸、ハイミック酸、クロトン酸、イソクロトン酸、ビニル酢酸、アリル酢酸、桂皮酸、ソルビン酸、メサコン酸、コハク酸モノ[2-(メタ)アクリロイロキシエチル]、フタル酸モノ[2-(メタ)アクリロイロキシエチル]、ω-カルボキシポリカプロラクトンモノ(メタ)アクリレート等の両末端にカルボキシ基と水酸基とを有するポリマーのモノ(メタ)アクリレート;ヒドロキシエチル(メタ)アクリレート・マレート、ヒドロキシプロピル(メタ)アクリレート・マレート、ジシクロペンタジエン・マレート或いは1個のカルボキシル基と2個以上の(メタ)アクリロイル基とを有する多官能(メタ)アクリレート等の不飽和多塩基酸;(メタ)アクリル酸-2-ヒドロキシエチル、(メタ)アクリル酸-2-ヒドロキシプロピル、(メタ)アクリル酸グリシジル、下記アクリル化合物No.1~No.4、(メタ)アクリル酸メチル、(メタ)アクリル酸ブチル、(メタ)アクリル酸イソブチル、(メタ)アクリル酸-t-ブチル、(メタ)アクリル酸シクロヘキシル、(メタ)アクリル酸n-オクチル、(メタ)アクリル酸イソオクチル、(メタ)アクリル酸イソノニル、(メタ)アクリル酸ステアリル、(メタ)アクリル酸ラウリル、(メタ)アクリル酸メトキシエチル、(メタ)アクリル酸ジメチルアミノメチル、(メタ)アクリル酸ジメチルアミノエチル、(メタ)アクリル酸アミノプロピル、(メタ)アクリル酸ジメチルアミノプロピル、(メタ)アクリル酸エトキシエチル、(メタ)アクリル酸ポリ(エトキシ)エチル、(メタ)アクリル酸ブトキシエトキシエチル、(メタ)アクリル酸エチルヘキシル、(メタ)アクリル酸フェノキシエチル、(メタ)アクリル酸テトラヒドロフリル、(メタ)アクリル酸ビニル、(メタ)アクリル酸アリル、(メタ)アクリル酸ベンジル、エチレングリコールジ(メタ)アクリレート、ジエチレングリコールジ(メタ)アクリレート、トリエチレングリコールジ(メタ)アクリレート、ポリエチレングリコールジ(メタ)アクリレート、プロピレングリコールジ(メタ)アクリレート、1,4-ブタンジオールジ(メタ)アクリレート、1,6-ヘキサンジオールジ(メタ)アクリレート、トリメチロールエタントリ(メタ)アクリレート、トリメチロールプロパントリ(メタ)アクリレート、ジペンタエリスリトールヘキサ(メタ)アクリレート、ジペンタエリスリトールペンタ(メタ)アクリレート、ペンタエリスリトールテトラ(メタ)アクリレート、ペンタエリスリトールトリ(メタ)アクリレート、トリシクロデカンジメチロールジ(メタ)アクリレート、トリ[(メタ)アクリロイルエチル]イソシアヌレート、ポリエステル(メタ)アクリレートオリゴマー等の不飽和一塩基酸及び多価アルコール又は多価フェノールのエステル;(メタ)アクリル酸亜鉛、(メタ)アクリル酸マグネシウム等の不飽和多塩基酸の金属塩;マレイン酸無水物、イタコン酸無水物、シトラコン酸無水物、メチルテトラヒドロ無水フタル酸、テトラヒドロ無水フタル酸、トリアルキルテトラヒドロ無水フタル酸、5-(2,5-ジオキソテトラヒドロフリル)-3-メチル-3-シクロヘキセン-1,2-ジカルボン酸無水物、トリアルキルテトラヒドロ無水フタル酸-無水マレイン酸付加物、ドデセニル無水コハク酸、無水メチルハイミック酸等の不飽和多塩基酸の酸無水物;(メタ)アクリルアミド、メチレンビス-(メタ)アクリルアミド、ジエチレントリアミントリス(メタ)アクリルアミド、キシリレンビス(メタ)アクリルアミド、α-クロロアクリルアミド、N-2-ヒドロキシエチル(メタ)アクリルアミド等の不飽和一塩基酸及び多価アミンのアミド;アクロレイン等の不飽和アルデヒド;(メタ)アクリロニトリル、α-クロロアクリロニトリル、シアン化ビニリデン、シアン化アリル等の不飽和ニトリル;スチレン、4-メチルスチレン、4-エチルスチレン、4-メトキシスチレン、4-ヒドロキシスチレン、4-クロロスチレン、ジビニルベンゼン、ビニルトルエン、ビニル安息香酸、ビニルフェノール、ビニルスルホン酸、4-ビニルベンゼンスルホン酸、ビニルベンジルメチルエーテル、ビニルベンジルグリシジルエーテル等の不飽和芳香族化合物;メチルビニルケトン等の不飽和ケトン;ビニルアミン、アリルアミン、N-ビニルピロリドン、ビニルピペリジン等の不飽和アミン化合物;アリルアルコール、クロチルアルコール等のビニルアルコール;ビニルメチルエーテル、ビニルエチルエーテル、n-ブチルビニルエーテル、イソブチルビニルエーテル、アリルグリシジルエーテル等のビニルエーテル;マレイミド、N-フェニルマレイミド、N-シクロヘキシルマレイミド等の不飽和イミド類;インデン、1-メチルインデン等のインデン類;1,3-ブタジエン、イソプレン、クロロプレン等の脂肪族共役ジエン類;ポリスチレン、ポリメチル(メタ)アクリレート、ポリ-n-ブチル(メタ)アクリレート、ポリシロキサン等の重合体分子鎖の末端にモノ(メタ)アクリロイル基を有するマクロモノマー類;ビニルクロリド、ビニリデンクロリド、ジビニルスクシナート、ジアリルフタラート、トリアリルホスファート、トリアリルイソシアヌラート、ビニルチオエーテル、ビニルイミダゾール、ビニルオキサゾリン、ビニルカルバゾール、ビニルピロリドン、ビニルピリジン、水酸基含有ビニルモノマー及びポリイソシアネート化合物のビニルウレタン化合物、水酸基含有ビニルモノマー及びポリエポキシ化合物のビニルエポキシ化合物が挙げられる。
上記エチレン性不飽和化合物(D)は、単独で又は2種以上を混合して使用することができる。
例えば厚さ1~3μmの硬化膜を形成する場合には、エチレン性不飽和化合物(D)の含有量は、特に限定されるものではないが、ウレタン(メタ)アクリレート化合物(A)、着色剤(B)、アルカリ現像性化合物(C)、エチレン性不飽和化合物(D)及び重合開始剤(E)の合計100質量部に対して、エチレン性不飽和化合物(D)好ましくは、10~70質量部、より好ましくは、30~60質量部であり、更に好ましくは、30~50質量部である。
本発明の重合性組成物に用いられる重合開始剤(E)としては、従来既知のラジカル重合開始剤を用いることが可能である。
R51及びR52は、それぞれ独立に、直接結合、水素原子、シアノ基、炭素原子数1~20の炭化水素基又は複素環を含有する炭素原子数2~20の基を表し、
X1は、酸素原子、硫黄原子、セレン原子、CR53R54、CO、NR55又はPR56を表し、
R53~R56は、それぞれ独立に、水素原子、炭素原子数1~20の炭化水素基又は複素環を含有する炭素原子数2~20の基を表し、R53~R56で表される基中の水素原子は、ハロゲン原子、ニトロ基、シアン基、水酸基、カルボキシル基又は複素環を含有する炭素原子数2~20の基で置換される場合もあり、
R51~R56で表される基中のメチレン基は、酸素が隣り合わない条件で-O-に置換される場合もあり、
R51~R56は、それぞれ独立に、隣接するどちらかのベンゼン環と一緒になって環を形成する場合もあり、
gは、0~5の数を表し、
hは、0~4の数を表す。)
Raは、CRa1Ra2Ra3を表し、
Ra1、Ra2及びRa3は、それぞれ独立に、水素原子、水酸基、アミノ基、炭素原子数1~20の炭化水素基又は複素環を含有する炭素原子数2~20の基、を表し、
X1aは、酸素原子、硫黄原子、セレン原子、CR53aR54a、CO、NR55a又はPR56aを表し、
R53a~R56aは、それぞれ独立に、水素原子、炭素原子数1~20の炭化水素基又は複素環を含有する炭素原子数2~20の基を表し、
Ra1~Ra3及びR53a~R56aで表される基中の水素原子は、ハロゲン原子、ニトロ基、シアン基、水酸基、カルボキシル基又は複素環を含有する炭素原子数2~20の基で置換される場合もあり、
Ra1~Ra3及びR51a~R56aで表される基中のメチレン基は、酸素が隣り合わない条件で-O-に置換される場合もあり、
R51a~R56aは、それぞれ独立に、隣接するどちらかのベンゼン環と一緒になって環を形成する場合もあり、
g1は、0~5の数を表し、
h1は、0~4の数を表す。)
また、上記重合開始剤(E)の中でも、一般式(II)においてR42が炭素原子数1~10のアルキル基又は炭素原子数6~10のアリール基であることが好ましい。
また、上記重合開始剤(E)の中でも、上記一般式(III)において、gが1であり、且つR51が炭素数1~10のアルキル基であることが好ましい。該アルキル基の末端水素原子が水酸基で置換されていることが好ましく、該アルキル基中のメチレン基が-O-に置換されていることも好ましい。
また、上記重合開始剤(E)の中でも、上記一般式(IV)において、g1が1であり、且つR51aが炭素数1~10のアルキル基であることが好ましい。該アルキル基の末端水素原子が水酸基で置換されていることが好ましく、該アルキル基中のメチレン基が-O-に置換されていることも好ましい。
また、上記重合開始剤(E)の中でも、上記一般式(IV)において、Ra1~Ra3の少なくとも一つが、複素環を含有する炭素原子数2~20の基であることが好ましい。
また、上記重合開始剤(E)の中でも、上記一般式(IV)において、Ra1~Ra3の少なくとも一つが、炭素数1~10のアルキル基であることが好ましい。
更に、上記重合開始剤(E)の中でも、上記一般式(IV)において、Ra1が、複素環を含有する炭素原子数2~20の基であり、Ra2及びRa3が、それぞれ独立に、炭素数1~10のアルキル基であることが好ましい。
例えば厚さ2~5μmの硬化膜を形成する場合には、重合開始剤(E)の含有量は、特に限定されるものではないが、ウレタン(メタ)アクリレート化合物(A)、着色剤(B)、アルカリ現像性化合物(C)、エチレン性不飽和化合物(D)及び重合開始剤(E)の合計100質量部に対して、好ましくは0.3~20質量部、より好ましくは0.5~10質量部、より好ましくは3~8質量部である。
溶剤の含有量が上記範囲の場合、ハンドリング性(重合性組成物の粘度や濡れ性)、乾燥時のムラの低減及び液安定性(組成物に含まれる成分の析出や沈降を伴わない)に優れる重合性組成物となり、硬化物を得る際に硬化物の厚さを適切にコントロールできることから好ましい。
また縮合反応終了後に、前記親水性溶媒に反応混合物を溶解し、水、n-ヘキサン及びn-ヘプタン等の沈殿剤に添加することにより、ノボラック樹脂を析出させ、析出物を分離し、加熱乾燥することにより回収することもできる。
上記潜在性添加剤としてはWO2014/021023号パンフレットに記載されているものを好ましく使うことができる。
上記アルカリ現像性化合物(C)と共に、上記有機重合体を用いることによって、硬化物の特性を改善することもできる。
有機重合体を使用する場合、その使用量は、上記アルカリ現像性化合物(C)100質量部に対して、好ましくは10~500質量部である。
また、これら無機化合物は、例えば、充填剤、反射防止剤、導電剤、安定剤、難燃剤、機械的強度向上剤、特殊波長吸収剤及び撥インク剤等としても好適に用いられる。
カップリング剤を添加することにより、硬化物と基材間の密着性を向上するので好ましい。
上記マスクとしては、ハーフトーンマスク又はグレースケールマスク等の多階調マスクを用いることもできる。
有機系の黒色顔料(ラクタムブラックとしてブラック582;BASF社製)、分散剤(BYK-167)及び分散物のためのポリマー(後述するアルカリ現像性化合物PGMEA溶液C-1)を、それぞれ、16質量部、3.2質量部及び3.6 質量部で混合した後で、この混合物にプロピレングリコールモノメチルエーテルアセタート(PGMEA)を固形分濃度25質量%となるよう秤量し、混合物を作成した。
上記混合物をスターラーにより予備混合した後、直径0.3mmのジルコニアビーズを分散物(溶剤:PGMEA除く)と同じ重量で添加し、25~60℃の温度で6時間にわたってペイントシェーカーによる分散物処理にかけたのち、フィルタを用いてジルコニアビーズを取り除き、分散液を得た。得られた分散液にPGMEAを追加し、分散物濃度が20質量%となるように調整し、スターラーにより均一にした後、ラクタムブラック分散液B-1を得た。
有機系の黒色顔料[ペリレンブラックとしてC.I.ピグメントブラック31(PalIogenBlackS0084;BASF社製)]、分散剤(BYK-167)及び分散物のためのポリマー(後述するアルカリ現像性化合物PGMEA溶液C-1)を、それぞれ、12質量部、3.6質量部及び8質量部で混合した後で、この混合物にプロピレングリコールモノメチルエーテルアセタート(PGMEA)を固形分濃度25質量%となるよう秤量し、混合物を作成した。
上記混合物をスターラーにより予備混合した後、直径0.3mmのジルコニアビーズを分散物(溶剤:PGMEA除く)と同じ重量で添加し、25~60℃の温度で6時間にわたってペイントシェーカーによる分散物処理にかけたのち、フィルタを用いてジルコニアビーズを取り除き、分散液を得た。得られた分散液にPGMEAを追加し、分散物濃度が20質量%となるように調整し、スターラーにより均一にした後、ペリレンブラック分散液B-2を得た。
上記ラクタムブラック分散液B-1及びぺリレンブラック分散液B-2をそれぞれ50質量部ずつ加え、スターラーにより室温で2時間撹拌し、ラクタムブラック/ぺリレンブラック共分散液B-3を得た。
カーボンブラックとしてMA100(三菱化学社製)を20質量部、分散剤としてBYK161(ビックケミー(BYK)社製)12.5質量部(固形分濃度40質量%)、溶媒としてプロピレングリコールモノメチルエーテルアセテート67.5質量部を混合し、ビーズミルにより処理して、カーボンブラック分散液B―4を調製した。
1,1-ビス〔4-(2,3-エポキシプロピルオキシ)フェニル〕インダンの184g、アクリル酸58g、2,6-ジ-tert-ブチル-p-クレゾール0.26g、テトラ-n-ブチルアンモニウムブロミド0.11g及びPGMEA105gを仕込み、120℃で16時間撹拌した。反応液を室温まで冷却し、PGMEA160g、ビフタル酸無水物59g及びテトラ-n-ブチルアンモニウムブロミド0.24gを加えて、120℃で4時間撹拌した。更に、テトラヒドロ無水フタル酸20gを加え、120℃で4時間、100℃で3時間、80℃で4時間、60℃で6時間、40℃で11時間撹拌した後、PGMEA128gを加えて、PGMEA溶液としてアルカリ現像性化合物C-1を得た(Mw=5000、Mn=2100、酸価(固形分)92.7mgKOH/g)。アルカリ現像性化合物PGMEA溶液C-1におけるアルカリ現像性化合物の含有率は45質量%であった。
9,9-ビス(4-グリシジルオキシフェニル)フルオレン75.0g、アクリル酸23.8g、2,6-ジ-t-ブチル-p-クレゾール0.273g、テトラブチルアンモニウムクロリド0.585g、及びPGMEA65.9gを仕込み、90℃で1時間、100℃で1時間、110℃で1時間及び120℃で14時間撹拌した。室温まで冷却し、無水コハク酸25.9g、テトラブチルアンモニウムクロリド0.427g、及びPGMEA1.37gを加えて、100℃で5時間撹拌した。更に、9,9-ビス(4-グリシジルオキシフェニル)フルオレン30.0g、2,6-ジ-t-ブチル-p-クレゾール0.269g、及びPGMEA1.50gを加えて、90℃で90分、120℃で4時間撹拌後、PGMEA122.2gを加えて、PGMEA溶液として目的物であるアルカリ現像性化合物C-2を得た(Mw=4190、Mn=2170,酸価(固形分)52mg・KOH/g)。アルカリ現像性化合物PGMEA溶液C-2におけるアルカリ現像性化合物の含有率は45質量%であった。
[表1]~[表4]の配合に従って各成分を混合し、重合性組成物(実施例1~24及び比較例1~4)を得た。尚、表中の配合の数値は質量部を表す。
また、表中の各成分の符号は、下記の成分を表す。
A-1 UA-306H(ウレタン(メタ)アクリレート化合物;共栄社化学社製)
A-2 EBECRYL8810
(ウレタンアクリレート化合物;ダイセル社製)
B-1 ラクタムブラック分散液B-1
B-2 ぺリレンブラック分散液B-2
B-3 ラクタムブラック/ぺリレンブラック共分散液B-3
B-4 カーボンブラック分散液B-4
C-1 アルカリ現像性化合物PGMEA溶液C-1
C-2 アルカリ現像性化合物PGMEA溶液C-2
C-3 SPRR-6X
(アルカリ現像性化合物;51.5質量%PGMEA溶液 ;昭和電工社製)
C-4 SPC-3000
(アルカリ現像性化合物;51.5質量%PGMEA溶液 ;昭和電工社製)
C-5 CCR-1171H
(アルカリ現像性化合物;67質量%PGMEA溶液 ;日本化薬社製)
D-1 カヤラッドDPHA (アクリル化合物 ;日本化薬)
D-2 カヤラッドR-684 (アクリル化合物 ;日本化薬)
E-1 化合物No.E1
E-2 化合物No.E2
E-3 化合物No.E4
F-1 EHPE-3150 (エポキシ化合物 ;ダイセル社製)
F-2 157S70 (エポキシ化合物 ;三菱化学社製)
F-3 JP-200 (エポキシ化合物 ;日本曹達社製)
F-4 γ-グリシドキシプロピルトリメトキシシラン(カップリング剤)
F-5 カレンズPE-1(チオール化合物 ;昭和電工社製)
G-1 PGMEA
G-2 3-メトキシブチルアセテート
実施例1~24及び比較例1~4の重合性組成物から得られる硬化物について、弾性率回復率、遮光性(OD値)、誘電率、液晶汚染性(VHR)の評価を、下記の手順で行った。結果を[表1]~[表4]に併記する。
ガラス基板上に実施例1~24の重合性組成物及び比較例1~4の比較重合性組成物をスピンコート(3μm厚,300rpm×7秒)により塗布し、乾燥した後90℃において100秒間プリベークを行い、溶剤を除去した後、フォトマスクを使用して高圧水銀ランプにて100mJ/cm2露光後、0.04wt%KOH水溶液を用いてで現像を行った後、230℃にて30分加熱し、パターンを作成した。得られたパターンの20μm部分で、島津社ダイナミック微小硬度計DUH-211を用いて、40mNにて荷重を負荷-除荷試験を行なった。弾性率回復率(%)下記の計算式によって算出した。
弾性回復率(%)=[(回復距離/圧縮変位)×100]
弾性回復率(%)が、60%以上の硬化物はBCSとして使用することができ、弾性回復率(%)が、70%以上の硬化物はBCSとして好ましく使用することができ、弾性回復率(%)が、80%以上の硬化物はBCSとして特に好ましく使用することができる。
ガラス基板上に実施例1~24の重合性組成物及び比較例1~4の比較重合性組成物をスピンコート(300rpm、7秒間)し乾燥させた後、90℃で100秒間プリベークを行った。光源として超高圧水銀ランプを用いて露光後した後、230℃で30分間ベークして硬化物を作成した。得られた膜のOD値を、マクベス透過濃度計を用いて測定し、該OD値をポストベイク後の膜厚で割って、膜厚あたりのOD値を算出した。
膜厚あたりのOD値が1.0以上の硬化物はBCSとして使用することができ、膜厚あたりのOD値が1.5以上の硬化物はBCSとして好ましく使用することができ、膜厚あたりのOD値が2.0以上の硬化物はBCSとして特に好まし使用できる。膜厚あたりのOD値が1.0未満の硬化物はBCSとして使用できない。
ガラス基板上に実施例1~24の重合性組成物及び比較例1~4の比較重合性組成物をスピンコート(3μm厚,300rpm×7秒間)し、乾燥させた後、90℃で100秒間プリベークを行ない、マスクを使用せず高圧水銀ランプにて100mJ/cm2露光した後、230℃×180分間加熱し、上記評価サンプルを作成した。
(評価法)
上記評価サンプルについて、LCRメーター、アジレント社4284Aを用いて、AC1V、1kHz印加し測定を行った。
比誘電率が5.0未満の硬化物はBCSとして使用することができ、比誘電率が4.5以下の硬化物はBCSとして好まし使用でき、比誘電率が4.0以下の硬化物はBCSとして特に好ましく使用できる。比誘電率が5.0以上の硬化物はBCSとして使用できない。
実施例1~24で得られた重合性組成物及び比較例1~4で得られた比較重合性組成物を、ガラス基板(100mm×100mm)上にスピンコーターを用いて塗布し、90℃で100秒間プリベークを行い、膜厚3.0μmの塗膜を形成した。次いで、ミラープロジェクションアライナー(製品名:TME-150RTO、株式会社トプコン製)を使用し、マスクを介さず塗膜に紫外線を照射量200mJ/cm2で照射した。その後、230℃で30分間、ポストベークを行った。
ポストベーク後の塗膜の1質量部を40質量部のADEKA社製の液晶「RS-182」と混合し、120℃で1時間保存した。これを室温に取り出し静置後、上澄み液を採取した。採取した液晶組成物について、上記液晶を混合する前後でのVHR(電圧保持率)を比較し、VHRの低下率を求め、下記基準により評価を行った。評価は、液晶組成物を液晶評価用TNセル(セル厚5μm、電極面積8mm×8mm配向膜JALS2096)に注入し、VHRをVHR-1A(東陽テクニカ製)を用い測定した。(測定条件:パルス電圧幅60μs、フレーム周期16.7ms、波高±5V、測定温度60℃)
VHRが、90%以上の硬化物は、BCSとして使用することができ、VHRが、95%以上の硬化物は、BCSとして好ましく使用することができ、VHRが、98%以上の硬化物は、BCSとして特に好ましく使用することができる。VHRが90%未満の硬化物は、BCSとして使用できない。
Claims (9)
- ウレタン(メタ)アクリレート化合物(A)、着色剤(B)、アルカリ現像性化合物(C)[但し、ウレタン(メタ)アクリレート化合物(A)を除く]、エチレン性不飽和化合物(D)[但し、ウレタン(メタ)アクリレート化合物(A)及びアルカリ現像性化合物
(C)を除く]及び重合開始剤(E)を含有する重合性組成物。 - 着色剤(B)が黒色顔料である請求項1に記載の重合性組成物。
- アルカリ現像性化合物(C)が、
下記一般式(I)で表されるエポキシ化合物に不飽和一塩基酸を付加させた構造を有するエポキシ付加化合物と、
多塩基酸無水物とのエステル化反応により得られる構造を有する不飽和化合物である請求項1又は2に記載の重合性組成物。
(式中、Mは直接結合、炭素原子数1~20の炭化水素基、-O-、-S-、-SO2-、-SS-、-SO-、-CO-、-OCO-又は下記式(a)、(b)、(c)又は(d)で表される群から選ばれる置換基を表し、
Mで表される炭素原子数1~20の炭化水素基中の水素原子はハロゲン原子で置換される場合があり、
R1、R2、R3、R4、R5、R6、R7及びR8(以下、R1~R8とも記載)は、それぞれ独立に、水素原子、炭素原子数1~20の炭化水素基、又はハロゲン原子を表し、
R1~R8で表される基中のメチレン基は、不飽和結合、-O-又は-S-で置換される場合があり、
nは0~10の数であり、
n≧1の場合、複数存在するR1~R8及びMは、それぞれ、同一である場合もあり、異なる場合もある。)
(式中、R9は、炭素原子数1~20の炭化水素基を表し、
R10、R11、R12、R13、R14、R15、R16、R17、R18、R19、R20、R21、R22、R23、R24、R25、R26、R27、R28、R29、R30、R31、R32、R33、R34、R35、R36、R37及びR38(以下、R10~R38とも記載)は、それぞれ独立に、水素原子、炭素原子数1~20の炭化水素基、複素環を含有する炭素原子数2~20の基、又はハロゲン原子を表し、
R10~R38で表される基中のメチレン基は、不飽和結合、-O-又は-S-で置換される場合があり、
R10とR11、R11とR12、R12とR13、R13とR14、R22とR15、R15とR16、R30とR23、R23とR24、R24とR25、R38とR31、R31とR32、R32とR33、R34とR35、R35とR36及びR36とR37は結合して環を形成する場合があり、
式(a)、(b)、(c)及び(d)で表される基中の*は、結合手を表す。) - 重合開始剤(E)が、下記一般式(II)で表される基を有する重合開始剤である請求項1~3の何れか一項に記載の重合性組成物。
(式中、R41及びR42は、それぞれ独立に水素原子、ハロゲン原子、ニトロ基、シアノ基、炭素原子数1~20の炭化水素基又は複素環を含有する炭素原子数2~20の基を表し、
R41及びR42で表される炭素原子数1~20の炭化水素基又はR41及びR42で表される複素環を含有する炭素原子数2~20の基の水素原子はハロゲン原子、ニトロ基、シアノ基、水酸基、アミノ基、カルボキシル基、メタクリロイル基、アクリロイル基、エポキシ基、ビニル基、ビニルエーテル基、メルカプト基、イソシアネート基又は複素環を含有する炭素原子数2~20の基で置換される場合があり、
R41及びR42で表される炭素原子数1~20の炭化水素基又はR41及びR42で表される複素環を含有する炭素原子数2~20の基中のメチレン基は-O-、-CO-、-COO-、-OCO-、-NR43-、-NR43CO-、-S-、-CS-、-SO2-、-SCO-、-COS-、-OCS-又はCSO-で置換される場合もあり、
R43は、水素原子、炭素原子数1~20の炭化水素基を表し、
mは0又は1を表し、
式中の*は、結合手を表す。) - 重合開始剤(E)が、水酸基を有する重合開始剤である請求項1~4の何れか一項に記載の重合性組成物。
- 請求項1~5の何れか一項に記載の重合性組成物からなるブラックカラムスペーサー用感光性組成物。
- 請求項1~5の何れか一項に記載の重合性組成物又は請求項6に記載のブラックカラムスペーサー用感光性組成物を用いて硬化物を製造する方法。
- 請求項1~5の何れか一項に記載の重合性組成物又は請求項6に記載のブラックカラムスペーサー用感光性組成物の硬化物。
- 請求項8に記載の硬化物を含有するディスプレイ表示装置。
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| JP2019144407A (ja) * | 2018-02-21 | 2019-08-29 | 三菱ケミカル株式会社 | 感光性着色組成物、硬化物、着色スペーサー、及び画像表示装置 |
| JP2021032943A (ja) * | 2019-08-19 | 2021-03-01 | 東京応化工業株式会社 | 感光性樹脂組成物、パターン化された硬化膜の製造方法、及びパターン化された硬化膜 |
| JP2021173971A (ja) * | 2020-04-30 | 2021-11-01 | サカタインクス株式会社 | ブラックマトリックス用顔料分散組成物、ブラックマトリックス用レジスト組成物、及び、ブラックマトリックス |
| JP2023113674A (ja) * | 2019-09-24 | 2023-08-16 | 東洋インキScホールディングス株式会社 | 感光性着色組成物、カラーフィルタ、および液晶表示装置 |
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| CN110177817A (zh) | 2019-08-27 |
| JPWO2018159265A1 (ja) | 2019-12-26 |
| KR20190123259A (ko) | 2019-10-31 |
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