WO2013172145A1 - 光硬化性樹脂組成物 - Google Patents
光硬化性樹脂組成物 Download PDFInfo
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- WO2013172145A1 WO2013172145A1 PCT/JP2013/061384 JP2013061384W WO2013172145A1 WO 2013172145 A1 WO2013172145 A1 WO 2013172145A1 JP 2013061384 W JP2013061384 W JP 2013061384W WO 2013172145 A1 WO2013172145 A1 WO 2013172145A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
- C08G59/687—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
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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
- G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
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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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
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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 photocurable resin composition containing a cationic dye, a cationically polymerizable organic substance, and a photoacid generator that generates an acid by ultraviolet irradiation, and an optical filter using the photocurable resin composition.
- Compounds having high intensity absorption for specific light include recording layers of optical recording media such as CD-R, DVD-R, DVD + R, BD-R, liquid crystal display (LCD), plasma display panel (PDP) ), An electroluminescence display (ELD), a cathode ray tube display (CRT), a fluorescent display tube, and an optical display element such as a field emission display.
- optical recording media such as CD-R, DVD-R, DVD + R, BD-R, liquid crystal display (LCD), plasma display panel (PDP) ), An electroluminescence display (ELD), a cathode ray tube display (CRT), a fluorescent display tube, and an optical display element such as a field emission display.
- an optical filter for an image display device such as a liquid crystal display device (LCD), a plasma display panel (PDP), an electroluminescence display (ELD), a cathode ray tube display device (CRT), a fluorescent display tube, a field emission display, etc.
- LCD liquid crystal display device
- PDP plasma display panel
- ELD electroluminescence display
- CRT cathode ray tube display device
- fluorescent display tube a field emission display, etc.
- Various compounds that absorb light having a wavelength of ⁇ 1100 nm are used as light absorbers. These light absorbers are required to have particularly steep light absorption, that is, having a small half-value width of ⁇ max and not to lose its function due to light, heat, or the like.
- Patent Document 1 discloses a resin composition containing an acrylic resin and a dye having an absorption maximum at 380 to 780 nm
- Patent Document 2 contains a sensitizing dye having an absorption maximum at 350 to 850 nm.
- a radical polymerizable photosensitive composition is disclosed
- Patent Document 3 discloses a photocurable composition containing a lake dye having an absorption maximum at 700 to 1100 nm.
- Patent Document 4 discloses A cationically polymerizable photocurable resin composition having an acid generator that generates an acid upon irradiation with near infrared rays and a dye having absorption at 760 to 2000 nm is disclosed.
- Patent Document 5 discloses a photocurable epoxy resin. And an adhesive containing a near infrared absorber.
- an object of the present invention is to provide a photocurable resin composition having excellent solubility and heat resistance. Another object of the present invention is to provide an optical filter using the photocurable resin composition.
- a photocurable resin composition containing a cationic dye, a cationically polymerizable organic substance, and a photoacid generator that generates an acid upon irradiation with ultraviolet rays has excellent solubility and heat resistance.
- this photo-curable resin composition is suitable for an optical filter, and have reached the present invention.
- the present invention provides a photocurable resin composition containing a cationic dye (A), a cationically polymerizable organic substance (B), and a photoacid generator (C) that generates an acid upon irradiation with ultraviolet rays.
- A a cationic dye
- B a cationically polymerizable organic substance
- C a photoacid generator
- the present invention also provides a cured product of the above-mentioned photocurable resin composition and an optical filter using the cured product.
- the photocurable resin composition of the present invention is excellent in solubility and heat resistance. Moreover, the cured product is suitable for an optical filter.
- the photocurable resin composition of the present invention contains a cationic dye (A), a cationically polymerizable organic substance (B), and a photoacid generator (C) that generates an acid when irradiated with ultraviolet rays.
- A a cationic dye
- B a cationically polymerizable organic substance
- C a photoacid generator
- the cationic dye (A) used in the photocurable resin composition of the present invention is not particularly limited, and known dyes can be used.
- known dyes can be used.
- triphenylmethane compounds, diphenylmethane compounds, cyanine compounds, thiazine compounds, Dyes such as phenothiazine compounds, xanthene compounds, thioxanthene compounds, oxazine compounds, acridine compounds, pyrylium compounds, rhodamine compounds can be used, and cyanine compounds are preferred from the viewpoint of ease of synthesis and molecular design.
- Examples of the cyanine compound include those represented by the following general formula (1).
- A represents a group selected from (a) to (m) of the following group I
- a ′ represents a group selected from (a ′) to (m ′) of the following group II
- Q represents a methine chain having 1 to 9 carbon atoms, and represents a linking group that may contain a ring structure in the chain, and the hydrogen atom in the methine chain is a hydroxyl group, a halogen atom, a cyano group, —NRR ′
- the aryl group, arylalkyl group or alkyl group may be substituted, and the —NRR ′, aryl group, arylalkyl group and alkyl group may be further substituted with a hydroxyl group, a halogen atom, a cyano group or —NRR ′.
- R and R ′ represent an aryl group, an arylalkyl group or an alkyl group, An q ⁇ represents a q-valent anion, q represents 1 or 2, and p represents a coefficient for keeping the charge neutral.
- R 1 and R 1 ′ are a hydroxyl group, a halogen atom, a nitro group, a cyano group, —SO 3 H, a carboxyl group, an amino group, an amide group, a ferrocenyl group, an aryl group having 6 to 30 carbon atoms, or a carbon atom number of 7 Represents an arylalkyl group of ⁇ 30 or an alkyl group of 1 to 8 carbon atoms,
- the aryl group having 6 to 30 carbon atoms, the arylalkyl group having 7 to 30 carbon atoms and the alkyl group having 1 to 8 carbon atoms are a hydroxyl group, a halogen atom, a nitro group, a cyano group, —SO 3 H, carboxyl
- the alkyl group in Y, Y ′ and Y 2 , the aryl group and the methylene group in the arylalkyl group are —O—, —S—, —CO—, —COO—, —OCO—, —SO 2 —, May be interrupted by —NH—, —CONH—, —NHCO—, —N ⁇ CH— or —CH ⁇ CH—, r and r ′ are 0 or (a) to (e), (g) to (j), (l), (m), (a ′) to (e ′), (g ′) to (j ′) ), (L ′) and (m ′) represent the number that can be substituted. )
- Examples of the halogen atom represented by R 51 and R 52 in R 1 to R 9 and R 1 ′ to R 9 ′ and X and X ′ in the general formula (1) include fluorine, chlorine, bromine and iodine.
- Examples of the aryl group having 6 to 30 carbon atoms include phenyl, naphthyl, 2-methylphenyl, 3-methylphenyl, 4-methylphenyl, 4-vinylphenyl, 3-iso-propylphenyl, 4-iso-propylphenyl, 4-butylphenyl, 4-iso-butylphenyl, 4-tert-butylphenyl, 4-hexylphenyl, 4-cyclohexylphenyl, 4-octylphenyl, 4- (2-ethylhexyl) phenyl, 4-stearylphenyl, 2, 3-dimethylphenyl, 2,4-dimethylphenyl, 2,5-dimethylphenyl, 2,6-
- alkyl group having 1 to 8 carbon atoms examples include methyl, ethyl, propyl, iso-propyl, butyl, sec-butyl, tert-butyl, iso-butyl, amyl, iso-amyl, tert-amyl, hexyl, 2- Examples include hexyl, 3-hexyl, cyclohexyl, 1-methylcyclohexyl, heptyl, 2-heptyl, 3-heptyl, iso-heptyl, tert-heptyl, 1-octyl, iso-octyl, tert-octyl and the like.
- the aryl group having 6 to 30 carbon atoms, the arylalkyl group having 7 to 30 carbon atoms and the alkyl group having 1 to 8 carbon atoms are a hydroxyl group, a halogen atom, a nitro group, a cyano group, —SO 3 H, carboxyl Group, amino group, amido group or ferrocenyl group, which may be substituted, —O—, —S—, —CO—, —COO—, —OCO—, —SO 2 —, —NH—, —CONH— , —NHCO—, —N ⁇ CH— or —CH ⁇ CH—, and the number and position of these substitutions and interruptions are arbitrary.
- examples of the group in which the alkyl group having 1 to 8 carbon atoms is substituted with a halogen atom include chloromethyl, dichloromethyl, trichloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, nonafluorobutyl and the like.
- Examples of the group in which the alkyl group having 1 to 8 carbon atoms is interrupted by —O— include methyloxy, ethyloxy, iso-propyloxy, propyloxy, butyloxy, pentyloxy, iso-pentyloxy, hexyloxy, heptyl Alkoxy groups such as oxy, octyloxy, 2-ethylhexyloxy, 2-methoxyethyl, 2- (2-methoxy) ethoxyethyl, 2-ethoxyethyl, 2-butoxyethyl, 4-methoxybutyl, 3-methoxybutyl, etc.
- alkoxyalkyl group of Examples of the group in which the alkyl group having 1 to 8 carbon atoms is substituted with a halogen atom and interrupted by —O— include, for example, chloromethyloxy, dichloromethyloxy, trichloromethyloxy, fluoromethyloxy, difluoromethyloxy , Trifluoromethyloxy, nonafluorobutyloxy and the like.
- the cycloalkane-1,1-diyl group having 3 to 6 carbon atoms represented by X and X ′ is cyclopropane-1,1-diyl, cyclobutane-1,1- Examples thereof include diyl, 2,4-dimethylcyclobutane-1,1-diyl, 3,3-dimethylcyclobutane-1,1-diyl, cyclopentane-1,1-diyl, cyclohexane-1,1-diyl and the like.
- an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms and an arylalkyl group having 7 to 30 carbon atoms represented by Y, Y ′ and Y 2 Include groups exemplified in the description of R 1 and the like, and the hydrogen atom in these alkyl group, aryl group and arylalkyl group is a hydroxyl group, a halogen atom, a cyano group, a carboxyl group, an amino group, an amide group, It may be substituted with any number of ferrocenyl groups, —SO 3 H or nitro groups.
- alkyl group, the aryl group and the methylene group in the arylalkyl group in Y, Y ′, and Y 2 are —O—, —S—, —CO—, —COO—, —OCO—, —SO. It may be interrupted with 2 —, —NH—, —CONH—, —NHCO—, —N ⁇ CH— or —CH ⁇ CH—.
- Examples of the above-described methylene group interrupted by —O— or the like include, for example, methyl, ethyl, propyl, iso-propyl, butyl, sec-butyl, tert-butyl, iso-butyl, amyl, iso-amyl.
- Examples of the linking group that constitutes a methine chain having 1 to 9 carbon atoms represented by Q in the general formula (1) and may include a ring structure in the chain include the following (Q-1) to (Q-11): ) Is preferred because it is easy to produce.
- the number of carbon atoms in the methine chain having 1 to 9 carbon atoms represents a methine chain and a linking group that may include a ring structure in the chain, and a group that further substitutes the linking group (for example, R 14 to R 19 below, Z ′) carbon atoms (for example, carbon atoms at both ends in the linking group (Q-1)) are not included.
- R 14 , R 15 , R 16 , R 17 , R 18 , R 19 and Z ′ are each independently a hydrogen atom, a hydroxyl group, a halogen atom, a cyano group, —NRR ′, an aryl group, an arylalkyl
- the —NRR ′, aryl group, arylalkyl group and alkyl group may be substituted with a hydroxyl group, a halogen atom, a cyano group or —NRR ′, and —O—, —S—, May be interrupted by —CO—, —COO—, —OCO—, —SO 2 —, —NH—, —CONH—, —NHCO—, —N ⁇ CH— or —CH ⁇ CH—, R and R ′ represent an aryl group, an arylalkyl group or an alkyl group.
- Examples of the halogen atom, aryl group, arylalkyl or alkyl group represented by R 14 , R 15 , R 16 , R 17 , R 18 , R 19 and Z ′ include those exemplified in the description of R 1 and the like.
- Examples of the aryl group, arylalkyl group or alkyl group represented by R and R ′ include those exemplified in the above description of R 1 and the like.
- Examples of the q-valent anion represented by pAn q- in the general formula (1) include methanesulfonate anion, dodecylsulfonate anion, benzenesulfonate anion, toluenesulfonate anion, trifluoromethanesulfonate anion, naphthalenesulfone. Acid anion, diphenylamine-4-sulfonic acid anion, 2-amino-4-methyl-5-chlorobenzenesulfonic acid anion, 2-amino-5-nitrobenzenesulfonic acid anion, JP-A-10-235999, JP-A-10-337959 No. 1, JP-A No.
- chloride ions bromide ions, iodide ions, fluoride ions, chlorate ions, thiocyanate ions, perchlorate ions, hexafluorophosphate ions, hexafluoroantimonate ions, tetrafluoroborate ions, Octyl phosphate ion, dodecyl phosphate ion, octadecyl phosphate ion, phenyl phosphate ion, nonylphenyl phosphate ion, 2,2'-methylenebis (4,6-di-t-butylphenyl) phosphonate ion, tetrakis (penta Fluorophenyl) borate ion, excitation Quencher anions that have the function of deexciting (quenching) active molecules in the state, ferrocene, luteocene, etc. having an anionic group such as a carboxy
- cyanine compound used in the present invention include the following compound No. 1-104. In the following examples, cyanine cations without anions are shown.
- the content of the cationic dye (A) alone or in total of a plurality of types is preferably 0.01 to 50% by mass in the photocurable resin composition of the present invention. More preferably, the content is 0.1 to 30% by mass.
- the content of the cationic dye (A) is less than 0.01% by mass, the cured product of the present invention may not be sufficiently cured.
- the content is more than 50% by mass, the cationic dye (A A) precipitation may occur.
- any compound can be used as long as it is polymerized by a cationic polymerization initiator activated by light irradiation or undergoes a crosslinking reaction.
- Such compounds may be used and are not particularly limited, but an example is as follows.
- an epoxy compound, an oxetane compound, a cyclic lactone compound, a cyclic acetal compound, a cyclic thioether compound, a spiroorthoester compound, a vinyl compound, and the like and one or more of these can be used.
- an epoxy compound that is easy to obtain and convenient for handling is suitable.
- aromatic epoxy compounds, alicyclic epoxy compounds, aliphatic epoxy compounds and the like are suitable.
- alicyclic epoxy resin examples include cyclohexene oxide obtained by epoxidizing a polyglycidyl ether of polyhydric alcohol having at least one alicyclic ring or a cyclohexene or cyclopentene ring-containing compound with an oxidizing agent.
- a cyclopentene oxide containing compound is mentioned.
- alicyclic epoxy resins Commercially available products that can be suitably used as the alicyclic epoxy resin include UVR-6100, UVR-6105, UVR-6110, UVR-6128, UVR-6200 (manufactured by Union Carbide), Celoxide 2021, Celoxide 2021P, Celoxide. 2081, Celoxide 2083, Celoxide 2085, Celoxide 2000, Celoxide 3000, Cyclomer A200, Cyclomer M100, Cyclomer M101, Epolide GT-301, Epolide GT-302, Epolide 401, Epolide 403, ETHB, Epolide HD300 (above, Daicel Chemical Industry Co., Ltd.), KRM-2110, KRM-2199 (above, ADEKA Co., Ltd.) and the like.
- an epoxy resin having a cyclohexene oxide structure is preferable in terms of curability (curing speed).
- aromatic epoxy resin examples include polyhydric phenol having at least one aromatic ring or polyglycidyl ether of an alkylene oxide adduct thereof, such as bisphenol A, bisphenol F, or further alkylene oxide added thereto.
- alkylene oxide adduct thereof such as bisphenol A, bisphenol F, or further alkylene oxide added thereto.
- examples thereof include glycidyl ethers and epoxy novolac resins of the above compounds.
- the aliphatic epoxy resin examples include polyglycidyl ether of an aliphatic polyhydric alcohol or an alkylene oxide adduct thereof, polyglycidyl ester of an aliphatic long-chain polybasic acid, vinyl polymerization of glycidyl acrylate or glycidyl methacrylate. Examples thereof include homopolymers, copolymers synthesized by vinyl polymerization of glycidyl acrylate or glycidyl methacrylate and other vinyl monomers.
- Typical compounds include 1,4-butanediol diglycidyl ether, 1,6-hexanediol diglycidyl ether, triglycidyl ether of glycerin, triglycidyl ether of trimethylolpropane, tetraglycidyl ether of sorbitol, dipentaerythritol
- glycidyl ethers of polyhydric alcohols such as hexaglycidyl ether, diglycidyl ether of polyethylene glycol, diglycidyl ether of polypropylene glycol, and aliphatic polyhydric alcohols such as propylene glycol, trimethylolpropane and glycerin
- Polyglycidyl ether of polyether polyol obtained by adding alkylene oxide, diglycidyl ester of aliphatic long-chain dibasic acid It is.
- monoglycidyl ethers of higher aliphatic alcohols phenols, cresols, butylphenols, polyether alcohol monoglycidyl ethers obtained by adding alkylene oxides to these, glycidyl esters of higher fatty acids, epoxidized soybean oil, epoxy Examples include octyl stearate, butyl epoxy stearate, and epoxidized polybutadiene.
- aromatic and aliphatic epoxy resins include Epicoat 801, Epicoat 828, Epicoat YX-4000, YDE-305, 871, and 872 (manufactured by Japan Epoxy Resin Co., Ltd.), PY-306 and 0163.
- Epolite M-1230 Epolite EHDG-L, Epolite 40E, Epolite 100E, Epolite 200E, Epolite 400E, Epolite 70P, Epolite 200P, Epolite 400P, Epolite 1500NP, Epolite 1600, Epolite 80MF, Epolite Light 100MF, Epolite 4000, Epolite 3002, Epolite FR-1500 (above, manufactured by Kyoeisha Chemical Co., Ltd.), Santo Tote ST0000, YD-716, YH-300, PG-202, PG-207, YD-172, YDPN638 (above Denacor EX321, Denacol EX313, Den
- oxetane compound examples include the following compounds. 3-ethyl-3-hydroxymethyloxetane, 3- (meth) allyloxymethyl-3-ethyloxetane, (3-ethyl-3-oxetanylmethoxy) methylbenzene, 4-fluoro- [1- (3-ethyl-3 -Oxetanylmethoxy) methyl] benzene, 4-methoxy- [1- (3-ethyl-3-oxetanylmethoxy) methyl] benzene, [1- (3-ethyl-3-oxetanylmethoxy) ethyl] phenyl ether, isobutoxymethyl (3-ethyl-3-oxetanylmethyl) ether, isobornyloxyethyl (3-ethyl-3-oxetanylmethyl) ether, isobornyl (3-ethyl-3-oxetanylmethyl) ether
- oxetane compound examples include Aron Oxetane OXT-101, OXT-121, OXT-221, OXT-212, OXT-211 (above, manufactured by Toagosei Co., Ltd.) ), Etanacol EHO, OXBP, OXTP, OXMA (above, manufactured by Ube Industries, Ltd.) and the like. These can be used alone or in combination of two or more. These oxetane compounds are effective and preferable when used particularly when flexibility is required.
- cationically polymerizable organic substances include oxolane compounds such as tetrahydrofuran and 2,3-dimethyltetrahydrofuran, cyclic acetal compounds such as trioxane, 1,3-dioxolane, and 1,3,6-trioxane cyclooctane, ⁇ -Cyclic lactone compounds such as propiolactone and ⁇ -caprolactone, thiirane compounds such as ethylene sulfide and thioepichlorohydrin, thietane compounds such as 1,3-propyne sulfide and 3,3-dimethylthietane, and cyclics such as tetrahydrothiophene derivatives Thioether compound, ethylene glycol divinyl ether, alkyl vinyl ether, 2-chloroethyl vinyl ether, 2-hydroxyethyl vinyl ether, triethylene glycol divinyl ether, 1,4-cyclohexolane
- 1 type (s) or 2 or more types can be mix
- a cationically polymerizable organic substance (B) one or more selected from an epoxy compound, an oxetane compound, and a cyclic acetal compound are preferable, and an epoxy compound is particularly preferable in terms of heat resistance and transparency.
- the photoacid generator (C) that generates an acid upon irradiation with ultraviolet rays used in the photocurable resin composition of the present invention may be any compound that can generate an acid upon irradiation with ultraviolet rays. However, it is preferably a double salt that is an onium salt that releases a Lewis acid upon irradiation with ultraviolet light, or a derivative thereof. Typical examples of such compounds include the following general formula [A] m + [B] m ⁇ And cation and anion salts represented by the formula:
- the cation [A] m + is preferably onium, and the structure thereof is, for example, the following general formula [(R 3 ) a Q] m + Can be expressed as
- R 3 is an organic group having 1 to 60 carbon atoms and any number of atoms other than carbon atoms.
- a is an integer of 1 to 5.
- the a R 3 s are independent and may be the same or different. Further, at least one is preferably an organic group as described above having an aromatic ring.
- the anion [B] m ⁇ is preferably a halide complex, and the structure thereof is, for example, the following general formula [LX b ] m ⁇ . Can be expressed as
- L is a metal or metalloid which is a central atom of a halide complex
- B P, As, Sb, Fe, Sn, Bi, Al, Ca, In, Ti, Zn, Sc, V, Cr, Mn, Co and the like.
- X is a halogen atom.
- b is an integer of 3 to 7.
- anion [LX b ] m ⁇ of the above general formula examples include tetrakis (pentafluorophenyl) borate [(C 6 F 5 ) 4 B] ⁇ , tetrafluoroborate (BF 4 ) ⁇ , hexafluorophosphate.
- PF 6 ) ⁇ hexafluoroantimonate
- SbF 6 ) ⁇ hexafluoroarsenate
- AsF 6 ) ⁇ hexachloroantimonate
- SBCl 6 hexachloroantimonate
- the anion [B] m ⁇ is represented by the following general formula [LX b-1 (OH)] m ⁇ .
- the thing of the structure represented by can also be used preferably. L, X, and b are the same as described above.
- Other anions that can be used include perchlorate ion (ClO 4 ) ⁇ , trifluoromethyl sulfite ion (CF 3 SO 3 ) ⁇ , fluorosulfonate ion (FSO 3 ) ⁇ , and toluenesulfonate anion.
- Trinitrobenzenesulfonate anion camphor sulfonate, nonafluorobutane sulfonate, hexadecafluorooctane sulfonate, tetraarylborate, tetrakis (pentafluorophenyl) borate and the like.
- onium salts it is particularly effective to use the following aromatic onium salts (a) to (c).
- aromatic onium salts (a) to (c) one of them can be used alone, or two or more can be mixed and used.
- Aryl diazonium salts such as phenyldiazonium hexafluorophosphate, 4-methoxyphenyldiazonium hexafluoroantimonate, 4-methylphenyldiazonium hexafluorophosphate, etc.
- Diaryls such as diphenyliodonium hexafluoroantimonate, di (4-methylphenyl) iodonium hexafluorophosphate, di (4-tert-butylphenyl) iodonium hexafluorophosphate, and tricumyliodonium tetrakis (pentafluorophenyl) borate Iodonium salt
- (C) sulfonium salts such as sulfonium cations represented by the following group I or group II, hexafluoroantimony ions, tetrakis (pentafluorophenyl) borate ions, etc.
- preferable examples include ( ⁇ 5 -2,4-cyclopentadien-1-yl) [(1,2,3,4,5,6- ⁇ )-(1-methylethyl) benzene] -iron.
- -Iron-arene complexes such as hexafluorophosphate
- aluminum complexes such as tris (acetylacetonato) aluminum, tris (ethylacetonatoacetato) aluminum, tris (salicylaldehyde) aluminum, and silanols such as triphenylsilanol
- silanols such as triphenylsilanol
- aromatic iodonium salts aromatic sulfonium salts, and iron-arene complexes are preferably used from the viewpoint of practical use and photosensitivity, and aromatic sulfonium salts represented by the following general formula (2) are preferred. From this point, it is more preferable.
- R 21 , R 22 , R 23 , R 24 , R 25 , R 26 , R 27 , R 28 , R 29 and R 30 are each independently a hydrogen atom, a halogen atom, Represents an alkyl group having 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, or an ester group having 2 to 10 carbon atoms, wherein R 31 , R 32 , R 33 and R 34 are each independently a hydrogen atom, a halogen atom or Represents an alkyl group having 1 to 10 carbon atoms, and R 35 represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, or any substituent selected from the following chemical formulas (A) to (C): An q ⁇ represents a q-valent anion, and p represents a coefficient for neutralizing the charge.) (In the formula, R 21 , R 22 , R 23 , R 24 , R 25 ,
- R 40 , R 41 , R 42 , R 43 and R 44 each independently represents a hydrogen atom, a halogen atom or a carbon atom having 1 to 10 carbon atoms; Represents 10 alkyl groups.
- Examples of the halogen atom represented include fluorine, chlorine, bromine and iodine.
- An alkyl group having 1 to 10 carbon atoms represented by R 38 , R 39 , R 40 , R 41 , R 42 , R 43 , R 44 , R 45 , R 46 , R 47 , R 48 and R 49 Is methyl, ethyl, propyl, isopropyl, butyl, s-butyl, t-butyl, isobutyl, amyl, isoamyl, t-amyl, hexyl, cyclohexyl, heptyl, octyl, nonyl, ethyloctyl, 2-methoxyethyl, 3- Methoxypropyl, 4-methoxybutyl, 2-butoxyethyl, methoxyethoxyethyl, methoxyethoxy
- the alkoxy group having 1 to 10 carbon atoms is exemplified by methoxy , Ethoxy, propyloxy, isopropyloxy, butyloxy, s-butyloxy, t-butyloxy, isobutyloxy, pentyloxy, isoamyloxy, t-amyloxy, hexyloxy, cyclohexyloxy, cyclohexylmethyloxy, tetrahydrofuranyloxy, tetrahydropyranyloxy 2-methoxyethyloxy, 3-methoxypropyloxy, 4-methoxybutyloxy, 2-butoxye
- the content of the cationically polymerizable organic substance (B) is single or a total of a plurality of types, and is preferably 5 to 99 mass in the photocurable resin composition of the present invention. %, More preferably 20 to 60% by mass.
- the content of the photoacid generator (C) that generates an acid upon irradiation with ultraviolet rays is preferably one or a total of a plurality of types, and is preferably 0.01 to 5.0% by mass in the photocurable resin composition of the present invention. More preferably, the content is 0.1 to 5% by mass.
- the photocurable resin composition of the present invention inclusion of components that may be included in the photocurable resin composition of the present invention The amount is preferably 10% by mass or less, more preferably 5% by mass or less in the photocurable resin composition.
- the use ratio of the photoacid generator (C) that generates an acid by ultraviolet irradiation with respect to the cationic polymerizable organic substance (B) is not particularly limited, and is generally used within a range that does not hinder the purpose of the present invention.
- the amount can be 10 parts by mass. If the amount is too small, curing tends to be insufficient, and if the amount is too large, the strength of the cured product may be adversely affected.
- thermal polymerization initiator is a compound that generates a cationic species or Lewis acid by heating, such as a salt of sulfonium salt, thiophenium salt, thiolanium salt, benzylammonium, pyridinium salt, hydrazinium salt; diethylenetriamine, triethylenetriamine, tetraethylenepenta Polyalkylpolyamines such as min; alicyclic polyamines such as 1,2-diaminocyclohexane, 1,4-diamino-3,6-diethylcyclohexane, isophoronediamine; m-xylylenediamine, diaminodiphenylmethane, diaminodiphenylsulfone Aromatic polyamines such as; such polyamines; phenyl glycidyl ether, butyl glycidyl
- Mannich-modified products produced by reacting phenols having sex sites by a conventional method polyvalent carboxylic acids (oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelain Acid, sebacic acid, do Candiic acid, 2-methylsuccinic acid, 2-methyladipic acid, 3-methyladipic acid, 3-methylpentanedioic acid, 2-methyloctanedioic acid, 3,8-dimethyldecanedioic acid, 3,7-dimethyldecane Aliphatic dicarboxylic acids such as diacid, hydrogenated dimer acid and dimer acid; aromatic dicarboxylic acids such as phthalic acid, terephthalic acid, isophthalic acid and naphthalenedicarboxylic acid; alicyclic dicarboxylic acids such as cyclohexanedicarboxylic acid; trimellitic acid, Tricarboxy
- a solvent that can dissolve or disperse the respective components as necessary for example, acetone, methyl ethyl ketone, methyl isobutyl ketone, methyl cellosolve, ethyl cellosolve, chloroform, methylene chloride, Hexane, heptane, octane, cyclohexane, benzene, toluene, xylene, methanol, ethanol, isopropanol, cyclohexanone can be added.
- benzotriazole-based, triazine-based, and benzoate-based UV absorbers phenol-based, phosphorus-based, sulfur-based antioxidants; cationic surfactants, anions
- Antistatic agent comprising a surfactant, nonionic surfactant, amphoteric surfactant, etc .
- Colorant Fumed silica, fine particle silica, silica, diatomaceous earth, clay, kaolin, diatomaceous earth, silica gel, calcium silicate Silicate-based inorganic additives such as sericite, kaolinite, flint, feldspar, feldspar, attapulgite, talc, mica, minesotite, pyrophyllite, silica; fillers such as glass fiber and calcium carbonate; nucleating agents, crystals Crystallizers such as accelerators, rubber elasticity imparting agents such as silane coupling agents and flexible polymers, sensitizers, other monomers, antifoaming agents, thickeners, leveling agents, plasticizers, polymerization prohibition Various additives such as an agent, an antistatic agent, a flow regulator, a coupling agent, and an adhesion promoter can be added. The total amount of these various additives is 50% by mass or less in the photocurable resin composition of the present invention.
- the photo-curable resin composition of the present invention can be cured into a dry-to-touch state or a solvent-insoluble state usually after 0.1 seconds to several minutes by irradiation with energy rays such as ultraviolet rays.
- energy rays such as ultraviolet rays.
- Any suitable energy ray may be used as long as it induces decomposition of the photoacid generator, but preferably an ultra-high, high, medium, low-pressure mercury lamp, xenon lamp, carbon arc lamp, metal halide lamp, fluorescent lamp, From 2000 angstroms obtained from tungsten lamp, excimer lamp, germicidal lamp, excimer laser, nitrogen laser, argon ion laser, helium cadmium laser, helium neon laser, krypton ion laser, various semiconductor lasers, YAG laser, light emitting diode, CRT light source, etc.
- High energy rays such as electromagnetic energy having a wavelength of 7000 angstroms, electron beams, X-ray
- the exposure time to energy rays depends on the strength of the energy rays, the coating thickness and the cationically polymerizable organic compound, but usually about 0.1 to 10 seconds is sufficient. However, it is preferable to take a longer irradiation time for a relatively thick coating. From 0.1 seconds to several minutes after irradiation with energy rays, most compositions are dry to the touch by cationic polymerization. However, in order to accelerate cationic polymerization, heat energy from heating or a thermal head may be used in combination. preferable.
- photocurable resin composition of the present invention include optical filters, paints, coating agents, lining agents, adhesives, printing plates, insulating varnishes, insulating sheets, laminates, printed boards, semiconductor devices, Sealants, molding materials, putty, glass fiber impregnants, sealants, and semiconductors for LED packages, liquid crystal inlets, organic EL, optical elements, electrical insulation, electronic components, and separation membranes ⁇ Passivation film for solar cells, interlayer insulation film, protective film, printed circuit board, color TV, PC monitor, portable information terminal, color filter for CCD image sensor, electrode material for plasma display panel, printing ink, dental use List various uses of compositions, resin for stereolithography, both liquid and dry films, micromechanical parts, glass fiber cable coating, holographic recording materials Door can be, and there is no particular limitation on the application.
- the optical filter of the present invention comprises at least a part of the cured product of the photocurable resin composition of the present invention.
- a transparent support if necessary, an undercoat layer
- Examples thereof include those provided with respective layers such as an antireflection layer, a hard coat layer, a lubricating layer, and an adhesive layer.
- a sticking agent adheresion between any two adjacent members selected from a transparent support and any arbitrary layer is used.
- the method of making it contain in a layer, or the method of laminating with a transparent support body and arbitrary each layer is mentioned.
- a known separator film such as an easily adhered polyethylene terephthalate film can be provided on the surface of the adhesive (contact) adhesive layer.
- the optical filter of the present invention includes a liquid crystal display (LCD), a plasma display panel (PDP), an electroluminescence display (ELD), a cathode tube display (CRT), a CCD image sensor, a CMOS sensor, a fluorescent display tube, and a field emission type. It can be used for image display devices such as displays, analysis devices, semiconductor device manufacturing, astronomical observation, optical communication, eyeglass lenses, windows, and the like.
- the optical filter of the present invention When used for an image display device, it is usually disposed on the front surface of the display.
- an optical filter may be directly attached to the surface of the display.
- a front plate or an electromagnetic wave shield is provided in front of the display, the front plate or the electromagnetic wave shield is provided on the front side (outside) or the back side (display side).
- An optical filter may be attached.
- Photocurable resin composition No. 1-No. Preparation of 7 jER-1004 (epoxy resin: manufactured by Mitsubishi Chemical Specialty Chemicals Co., Ltd.) 2 g, SP-150 (acid generator; manufactured by ADEKA Co., Ltd.) 0.03 g, cationic dye shown in [Table 1] and 6 g of cyclohexanone were mixed And stirring until the insoluble matter disappears, and the photocurable resin composition No. 1-No. 7 was obtained.
- Photocurable resin composition No. Preparation of Photocurable resin composition No. 8 was prepared in the same manner as in Example 1 except that EHPE-3150 (epoxy resin: manufactured by Daicel Chemical Industries) was used instead of jER-1004. 8 was obtained.
- Irgacure 907 photopolymerization initiator; manufactured by BASF
- the photocurable resin composition of the present invention containing the cationic dye (A), the cationic polymerizable organic substance (B), and the photoacid generator (C) that generates an acid upon irradiation with ultraviolet rays is heat resistant. It has excellent properties. Therefore, the photocurable resin composition of the present invention is useful for an optical filter.
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Abstract
Description
これらの光吸収剤には、光吸収が特別に急峻であること、即ちλmaxの半値幅が小さいこと、また光や熱等により機能が失われないことが求められている。
しかし、これらの文献には、カチオン重合性有機物質及び紫外線照射により酸を発生する光酸発生剤を含有する光硬化性樹脂組成物については示唆されておらず、エポキシ樹脂を用いた光硬化性樹脂組成物の溶解性が高いことや該光硬化性樹脂組成物の硬化物の耐熱性が高いことも記載されていない。
Qは、炭素原子数1~9のメチン鎖を構成し、鎖中に環構造を含んでもよい連結基を表し、該メチン鎖中の水素原子は水酸基、ハロゲン原子、シアノ基、-NRR’、アリール基、アリールアルキル基又はアルキル基で置換されていてもよく、該-NRR’、アリール基、アリールアルキル基及びアルキル基は更に水酸基、ハロゲン原子、シアノ基又は-NRR’で置換されていてもよく、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されてもよく、
R及びR’は、アリール基、アリールアルキル基又はアルキル基を表し、
Anq-はq価のアニオンを表し、qは1又は2を表し、pは電荷を中性に保つ係数を表す。)
R1及びR1’は、水酸基、ハロゲン原子、ニトロ基、シアノ基、-SO3H、カルボキシル基、アミノ基、アミド基、フェロセニル基、炭素原子数6~30のアリール基、炭素原子数7~30のアリールアルキル基又は炭素原子数1~8のアルキル基を表し、
該炭素原子数6~30のアリール基、炭素原子数7~30のアリールアルキル基及び炭素原子数1~8のアルキル基は、水酸基、ハロゲン原子、ニトロ基、シアノ基、-SO3H、カルボキシル基、アミノ基、アミド基又はフェロセニル基で置換されていてもよく、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されていてもよく、
R2~R9及びR2’~R9’は、R1及びR1’と同様の基又は水素原子を表し、
X及びX’は、酸素原子、硫黄原子、セレン原子、-CR51R52-、炭素原子数3~6のシクロアルカン-1,1-ジイル基、-NH-又は-NY2-を表し、
R51及びR52は、R1及びR1’と同様の基又は水素原子を表し、
Y、Y’及びY2は、水素原子、又は水酸基、ハロゲン原子、シアノ基、カルボキシル基、アミノ基、アミド基、フェロセニル基、-SO3H若しくはニトロ基で置換されてもよい炭素原子数1~20のアルキル基、炭素原子数6~30のアリール基若しくは炭素原子数7~30のアリールアルキル基を表し、
該Y、Y’及びY2中のアルキル基、アリール基及びアリールアルキル基中のメチレン基は、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されていてもよく、
r及びr’は、0又は(a)~(e)、(g)~(j)、(l)、(m)、(a’)~(e’)、(g’)~(j’)、(l’)及び(m’)において置換可能な数を表す。)
炭素原子数6~30のアリール基としては、フェニル、ナフチル、2-メチルフェニル、3-メチルフェニル、4-メチルフェニル、4-ビニルフェニル、3-iso-プロピルフェニル、4-iso-プロピルフェニル、4-ブチルフェニル、4-iso-ブチルフェニル、4-tert-ブチルフェニル、4-ヘキシルフェニル、4-シクロヘキシルフェニル、4-オクチルフェニル、4-(2-エチルヘキシル)フェニル、4-ステアリルフェニル、2,3-ジメチルフェニル、2,4-ジメチルフェニル、2,5-ジメチルフェニル、2,6-ジメチルフェニル、3,4-ジメチルフェニル、3,5-ジメチルフェニル、2,4-ジ-tert-ブチルフェニル、2,5-ジ-tert-ブチルフェニル、2,6-ジ-tert-ブチルフェニル、2,4-ジ-tert-ペンチルフェニル、2,5-ジ-tert-アミルフェニル、2,5-ジ-tert-オクチルフェニル、2,4-ジクミルフェニル、4-シクロヘキシルフェニル、(1,1’-ビフェニル)-4-イル、2,4,5-トリメチルフェニル、フェロセニル等が挙げられ、
炭素原子数7~30のアリールアルキル基としては、ベンジル、フェネチル、2-フェニルプロパン-2-イル、ジフェニルメチル、トリフェニルメチル、スチリル、シンナミル、フェロセニルメチル、フェロセニルプロピル、4-イソプロピルフェネチル等が挙げられ、
炭素原子数1~8のアルキル基としては、メチル、エチル、プロピル、iso-プロピル、ブチル、sec-ブチル、tert-ブチル、iso-ブチル、アミル、iso-アミル、tert-アミル、ヘキシル、2-ヘキシル、3-ヘキシル、シクロヘキシル、1-メチルシクロヘキシル、ヘプチル、2-ヘプチル、3-ヘプチル、iso-ヘプチル、tert-ヘプチル、1-オクチル、iso-オクチル、tert-オクチル等が挙げられる。
上記炭素原子数6~30のアリール基、炭素原子数7~30のアリールアルキル基及び炭素原子数1~8のアルキル基は、水酸基、ハロゲン原子、ニトロ基、シアノ基、-SO3H、カルボキシル基、アミノ基、アミド基又はフェロセニル基で置換されていてもよく
、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されてもよく、これらの置換及び中断の数及び位置は任意である。
例えば、上記炭素原子数1~8のアルキル基がハロゲン原子で置換された基としては、例えば、クロロメチル、ジクロロメチル、トリクロロメチル、フルオロメチル、ジフルオロメチル、トリフルオロメチル、ノナフルオロブチル等が挙げられ、
上記炭素原子数1~8のアルキル基が、-O-で中断された基としては、メチルオキシ、エチルオキシ、iso-プロピルオキシ、プロピルオキシ、ブチルオキシ、ペンチルオキシ、iso-ペンチルオキシ、ヘキシルオキシ、ヘプチルオキシ、オクチルオキシ、2-エチルヘキシルオキシ等のアルコキシ基や、2-メトキシエチル、2-(2-メトキシ)エトキシエチル、2-エトキシエチル、2-ブトキシエチル、4-メトキシブチル、3-メトキシブチル等のアルコキシアルキル基等が挙げられ、
上記炭素原子数1~8のアルキル基がハロゲン原子で置換され、且つ-O-で中断された基としては、例えば、クロロメチルオキシ、ジクロロメチルオキシ、トリクロロメチルオキシ、フルオロメチルオキシ、ジフルオロメチルオキシ、トリフルオロメチルオキシ、ノナフルオロブチルオキシ等が挙げられる。
また、これらのY、Y’、Y2中のアルキル基、アリール基及びアリールアルキル基中のメチレン基は、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されてもよい。上記のメチレン基が上記の-O-等で中断されたものとしては、例えば、メチル、エチル、プロピル、iso-プロピル、ブチル、sec-ブチル、tert-ブチル、iso-ブチル、アミル、iso-アミル、tert-アミル、ヘキシル、2-ヘキシル、3-ヘキシル、シクロヘキシル、1-メチルシクロヘキシル、ヘプチル、2-ヘプチル、3-ヘプチル、iso-ヘプチル、tert-ヘプチル、1-オクチル、iso-オクチル、tert-オクチル、2-エチルヘキシル、ノニル、iso-ノニル、デシル、ドデシル、トリデシル、テトラデシル、ペンタデシル、ヘキサデシル、ヘプタデシル、オクタデシル等のアルキル基;フェニル、ナフチル、2-メチルフェニル、3-メチルフェニル、4-メチルフェニル、4-ビニルフェニル、3-iso-プロピルフェニル、4-iso-プロピルフェニル、4-ブチルフェニル、4-iso-ブチルフェニル、4-tert-ブチルフェニル、4-ヘキシルフェニル、4-シクロヘキシルフェニル、4-オクチルフェニル、4-(2-エチルヘキシル)フェニル、4-ステアリルフェニル、2,3-ジメチルフェニル、2,4-ジメチルフェニル、2,5-ジメチルフェニル、2,6-ジメチルフェニル、3,4-ジメチルフェニル、3,5-ジメチルフェニル、2,4-ジ-tert-ブチルフェニル、シクロヘキシルフェニル等のアリール基;ベンジル、フェネチル、2-フェニルプロパン-2-イル、ジフェニルメチル、トリフェニルメチル、スチリル、シンナミル等のアリールアルキル基等が、エーテル結合、チオエーテル結合等で中断されたもの、例えば、2-メトキシエチル、3-メトキシプロピル、4-メトキシブチル、2-ブトキシエチル、メトキシエトキシエチル、メトキシエトキシエトキシエチル、3-メトキシブチル、2-フェノキシエチル、3-フェノキシプロピル、2-メチルチオエチル、2-フェニルチオエチル等が挙げられる。
R及びR’は、アリール基、アリールアルキル基又はアルキル基を表す。)
例えば、エポキシ化合物、オキセタン化合物、環状ラクトン化合物、環状アセタール化合物、環状チオエーテル化合物、スピロオルトエステル化合物、ビニル化合物等であり、これらの1種又は2種以上使用することができる。中でも入手するのが容易であり、取り扱いに便利なエポキシ化合物が適している。該エポキシ化合物としては、芳香族エポキシ化合物、脂環族エポキシ化合物、脂肪族エポキシ化合物等が適している。
前記脂環族エポキシ樹脂の中でも、シクロヘキセンオキシド構造を有するエポキシ樹脂は硬化性(硬化速度)の点で好ましい。
前記オキセタン化合物として好適に使用できる市販品としては具体的な製品名としては、アロンオキセタンOXT-101,OXT-121,OXT-221,OXT-212,OXT-211(以上、東亞合成(株)製)、エタナコールEHO,OXBP,OXTP,OXMA(以上、宇部興産(株)製)等が挙げられる。これらは1種単独あるいは2種以上を組み合わせて用いることができる。
これら、オキセタン化合物は特に可撓性を必要とする場合に使用すると効果的であり好ましい。
カチオン重合性有機物質(B)としては、エポキシ化合物、オキセタン化合物、環状アセタール化合物から選ばれる一種以上が好ましく、エポキシ化合物が、耐熱性及び透明性の点で特に好ましい。
[A]m+[B]m-
で表される陽イオンと陰イオンの塩を挙げることができる。
[(R3)aQ]m+
で表すことができる。
[LXb]m-
で表すことができる。
[LXb-1(OH)]m-
で表される構造のものも好ましく用いることができる。L,X,bは上記と同様である。また、その他用いることのできる陰イオンとしては、過塩素酸イオン(ClO4)-、トリフルオロメチル亜硫酸イオン(CF3SO3)-、フルオロスルホン酸イオン(FSO3)-、トルエンスルホン酸陰イオン、トリニトロベンゼンスルホン酸陰イオン、カンファースルフォネート、ノナフロロブタンスルフォネート、ヘキサデカフロロオクタンスルフォネート、テトラアリールボレート、テトラキス(ペンタフルオロフェニル)ボレート等を挙げることができる。
R21、R22、R23、R24、R25、R26、R27、R28、R29、R30、R31、R32、R33、R34、R35、R36、R37、R38、R39、R40、R41、R42、R43、R44、R45、R46、R47、R48及びR49で表される炭素原子数1~10のアルキル基としては、メチル、エチル、プロピル、イソプロピル、ブチル、s-ブチル、t-ブチル、イソブチル、アミル、イソアミル、t-アミル、ヘキシル、シクロヘキシル、ヘプチル、オクチル、ノニル、エチルオクチル、2-メトキシエチル、3-メトキシプロピル、4-メトキシブチル、2-ブトキシエチル、メトキシエトキシエチル、メトキシエトキシエトキシエチル、3-メトキシブチル、2-メチルチオエチル、フルオロメチル、ジフルオロメチル、トリフルオロメチル、クロロメチル、ジクロロメチル、トリクロロメチル、ブロモメチル、ジブロモメチル、トリブロモメチル、ジフルオロエチル、トリクロロエチル、ジクロロジフルオロエチル、ペンタフルオロエチル、ヘプタフルオロプロピル、ノナフルオロブチル、デカフルオロペンチル、トリデカフルオロヘキシル、ペンタデカフルオロヘプチル、ヘプタデカフルオロオクチル、メトキシメチル、1,2-エポキシエチル、メトキシエチル、メトキシエトキシメチル、メチルチオメチル、エトキシエチル、ブトキシメチル、t-ブチルチオメチル、4-ペンテニルオキシメチル、トリクロロエトキシメチル、ビス(2-クロロエトキシ)メチル、メトキシシクロヘキシル、1-(2-クロロエトキシ)エチル、1-メチル-1-メトキシエチル、エチルジチオエチル、トリメチルシリルエチル、t-ブチルジメチルシリルオキシメチル、2-(トリメチルシリル)エトキシメチル、t-ブトキシカルボニルメチル、エチルオキシカルボニルメチル、エチルカルボニルメチル、t-ブトキシカルボニルメチル、アクリロイルオキシエチル、メタクリロイルオキシエチル、2-メチル-2-アダマンチルオキシカルボニルメチル、アセチルエチル、2-メトキシ-1-プロペニル、ヒドロキシメチル、2-ヒドロキシエチル、1-ヒドロキシエチル、2-ヒドロキシプロピル、3-ヒドロキシプロピル、3-ヒドロキシブチル、4-ヒドロキシブチル、1,2-ジヒドロキシエチル等が挙げられ、
R21、R22、R23、R24、R25、R26、R27、R28、R29、R30、R31、R32、R33、R34、R35、R36、R37、R38、R39、R40、R41、R42、R43、R45、R46、R47、R48及びR49で表される炭素原子数1~10のアルコキシ基としては、メトキシ、エトキシ、プロピルオキシ、イソプロピルオキシ、ブチルオキシ、s-ブチルオキシ、t-ブチルオキシ、イソブチルオキシ、ペンチルオキシ、イソアミルオキシ、t-アミルオキシ、ヘキシルオキシ、シクロヘキシルオキシ、シクロヘキシルメチルオキシ、テトラヒドロフラニルオキシ、テトラヒドロピラニルオキシ、2-メトキシエチルオキシ、3-メトキシプロピルオキシ、4-メトキシブチルオキシ、2-ブトキシエチルオキシ、メトキシエトキシエチルオキシ、メトキシエトキシエトキシエチルオキシ、3-メトキシブチルオキシ、2-メチルチオエチルオキシ、トリフルオロメチルオキシ等が挙げられ、
R21、R22、R23、R24、R25、R26、R27、R28、R29、R30、R31、R32、R33、R34、R35、R36、R37、R38、R39、R40、R41、R42、R43、R45、R46、R47、R48及びR49で表される炭素原子数2~10のエステル基としては、メトキシカルボニル、エトキシカルボニル、イソプロピルオキシカルボニル、フェノキシカルボニル、アセトキシ、プロピオニルオキシ、ブチリルオキシ、クロロアセチルオキシ、ジクロロアセチルオキシ、トリクロロアセチルオキシ、トリフルオロアセチルオキシ、t-ブチルカルボニルオキシ、メトキシアセチルオキシ、ベンゾイルオキシ等が挙げられる。
本発明の光硬化性樹脂組成物において、上記カチオン重合性有機物質(B)の含有量は、単独又は複数種の合計で、本発明の光硬化性樹脂組成物中、好ましくは5~99質量%、より好ましくは20~60質量%である。上記紫外線照射により酸を発生する光酸発生剤(C)の含有量は、単独又は複数種の合計で、本発明の光硬化性樹脂組成物中、好ましくは0.01~5.0質量%、より好ましくは0.1~5質量%である。また、上記カチオン染料(A)、上記カチオン重合性有機物質(B)、上記光酸発生剤(C)以外の任意成分として、本発明の光硬化性樹脂組成物中に含んでも良い成分の含有量は、光硬化性樹脂組成物中、好ましくは10質量%以下、より好ましくは5質量%以下である。尚、任意成分としては、酸化防止剤、紫外線吸収剤、アルコール化合物等を含有させることが好ましい。
本発明の光硬化性樹脂組成物の硬化物を本発明の光学フィルタに具備させる方法としては、透明支持体及び任意の各層から選択される任意の隣合う二者間の粘(接)着剤層に含有させる方法、あるいは透明支持体及び任意の各層とともに積層させる方法が挙げられる。前記粘(接)着剤層の表面には、易密着したポリエチレンテレフタレートフィルム等の公知のセパレータフィルムを設けることもできる。
jER-1004(エポキシ樹脂:三菱化学スペシャリティケミカルズ社製)2g、SP-150(酸発生剤;ADEKA(株)製)0.03g、[表1]に示すカチオン染料及びシクロヘキサノン6gを混合し、不溶物が無くなるまで撹拌し、光硬化性樹脂組成物No.1~No.7を得た。
jER-1004に替えてEHPE-3150(エポキシ樹脂:ダイセル化学社製)を用いた以外は実施例1と同様にして、光硬化性樹脂組成物No.8を得た。
jER-1004に替えてベンジルメタクリレート/ メタクリル酸共重合体を用い、
SP-150に替えてイルガキュア907(光重合開始剤;BASF社製)を用いた以外は実施例1と同様の手法で比較光硬化性樹脂組成物No.1~No.7を得た。
実施例1~8で得られた光硬化性樹脂組成物No.1~No.8及び比較例1~7で得られた比較光硬化性樹脂組成物No.1~No.7をそれぞれ、ガラス基板に300rpm×7秒の条件で塗工し、ホットプレートで乾燥(90℃、90秒)させた。得られた塗膜に超高圧水銀ランプで露光(200mJ/cm2)した。露光後の塗膜を、以下のようにして、180℃×30分の条件で耐熱性を調べた。
180℃×30分の耐熱試験の前後で、色素の最大吸収波長における吸光度を紫外可視近赤外分光光度計V-570(日本分光社製)を用いて測定し、(耐熱試験後の吸光度)/(耐熱試験前の吸光度)×100=色素残存率(%)(〔評価〕)として[表1]に示した。
Claims (8)
- カチオン染料(A)、カチオン重合性有機物質(B)及び紫外線照射により酸を発生する光酸発生剤(C)を含有する光硬化性樹脂組成物。
- 上記カチオン染料(A)が、下記一般式(1)で表されるシアニン化合物であることを特徴とする請求項1記載の光硬化性樹脂組成物。
Qは、炭素原子数1~9のメチン鎖を構成し、鎖中に環構造を含んでもよい連結基を表し、該メチン鎖中の水素原子は水酸基、ハロゲン原子、シアノ基、-NRR’、アリール基、アリールアルキル基又はアルキル基で置換されていてもよく、該-NRR’、アリール基、アリールアルキル基及びアルキル基は更に水酸基、ハロゲン原子、シアノ基又は-NRR’で置換されていてもよく、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されてもよく、
R及びR’は、アリール基、アリールアルキル基又はアルキル基を表し、
Anq-はq価のアニオンを表し、qは1又は2を表し、pは電荷を中性に保つ係数を表す。)
R1及びR1’は、水酸基、ハロゲン原子、ニトロ基、シアノ基、-SO3H、カルボキシル基、アミノ基、アミド基、フェロセニル基、炭素原子数6~30のアリール基、炭素原子数7~30のアリールアルキル基又は炭素原子数1~8のアルキル基を表し、
該炭素原子数6~30のアリール基、炭素原子数7~30のアリールアルキル基及び炭素原子数1~8のアルキル基は、水酸基、ハロゲン原子、ニトロ基、シアノ基、-SO3H、カルボキシル基、アミノ基、アミド基又はフェロセニル基で置換されていてもよく、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されていてもよく、
R2~R9及びR2’~R9’は、R1及びR1’と同様の基又は水素原子を表し、
X及びX’は、酸素原子、硫黄原子、セレン原子、-CR51R52-、炭素原子数3~6のシクロアルカン-1,1-ジイル基、-NH-又は-NY2-を表し、
R51及びR52は、R1及びR1’と同様の基又は水素原子を表し、
Y、Y’及びY2は、水素原子、又は水酸基、ハロゲン原子、シアノ基、カルボキシル基、アミノ基、アミド基、フェロセニル基、-SO3H若しくはニトロ基で置換されてもよい炭素原子数1~20のアルキル基、炭素原子数6~30のアリール基若しくは炭素原子数7~30のアリールアルキル基を表し、
該Y、Y’及びY2中のアルキル基、アリール基及びアリールアルキル基中のメチレン基は、-O-、-S-、-CO-、-COO-、-OCO-、-SO2-、-NH-、-CONH-、-NHCO-、-N=CH-又は-CH=CH-で中断されていてもよく、
r及びr’は、0又は(a)~(e)、(g)~(j)、(l)、(m)、(a’)~(e’)、(g’)~(j’)、(l’)及び(m’)において置換可能な数を表す。) - カチオン重合性有機物質(B)が、エポキシ化合物、オキセタン化合物、環状アセタール化合物から選ばれる一種以上であることを特徴とする請求項1又は2に記載の光硬化性樹脂組成物。
- カチオン重合性有機物質(B)がエポキシ化合物であることを特徴とする請求項1又は2に記載の光硬化性樹脂組成物。
- 紫外線照射により酸を発生する光酸発生剤(C)が、芳香族スルホニウム塩であることを特徴とする請求項1~4のいずれか1項に記載の光硬化性樹脂組成物。
- 紫外線照射により酸を発生する光酸発生剤(C)が、下記一般式(2)で表されることを特徴とする請求項5に記載の光硬化性樹脂組成物。
- 請求項1~6のいずれか1項に記載の光硬化性樹脂組成物の硬化物。
- 請求項7に記載の硬化物を少なくとも一部に具備してなる光学フィルタ。
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JP2016027400A (ja) * | 2014-07-04 | 2016-02-18 | 株式会社日本触媒 | 積層用樹脂組成物及びその用途 |
WO2017098996A1 (ja) * | 2015-12-09 | 2017-06-15 | 株式会社Adeka | 熱硬化性樹脂組成物 |
WO2018101219A1 (ja) * | 2016-11-29 | 2018-06-07 | 株式会社Adeka | 硬化性組成物 |
CN109642084A (zh) * | 2016-11-29 | 2019-04-16 | 株式会社艾迪科 | 固化性组合物 |
JPWO2018101219A1 (ja) * | 2016-11-29 | 2019-10-24 | 株式会社Adeka | 硬化性組成物 |
CN109642084B (zh) * | 2016-11-29 | 2021-06-18 | 株式会社艾迪科 | 固化性组合物 |
WO2019138953A1 (ja) * | 2018-01-09 | 2019-07-18 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
JPWO2019138953A1 (ja) * | 2018-01-09 | 2020-12-17 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
JP7339161B2 (ja) | 2018-01-09 | 2023-09-05 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
WO2019235435A1 (ja) * | 2018-06-04 | 2019-12-12 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
JP7374567B2 (ja) | 2018-06-04 | 2023-11-07 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
JPWO2019235435A1 (ja) * | 2018-06-04 | 2021-07-01 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
JP7114724B2 (ja) | 2018-09-20 | 2022-08-08 | 富士フイルム株式会社 | 硬化性組成物、硬化膜、赤外線透過フィルタ、積層体、固体撮像素子、センサ、及び、パターン形成方法 |
JP2022164667A (ja) * | 2018-09-20 | 2022-10-27 | 富士フイルム株式会社 | 硬化性組成物、硬化膜、赤外線透過フィルタ、積層体、固体撮像素子、センサ、及び、パターン形成方法 |
JPWO2020059509A1 (ja) * | 2018-09-20 | 2021-08-30 | 富士フイルム株式会社 | 硬化性組成物、硬化膜、赤外線透過フィルタ、積層体、固体撮像素子、センサ、及び、パターン形成方法 |
JP7455909B2 (ja) | 2018-09-20 | 2024-03-26 | 富士フイルム株式会社 | 硬化性組成物、硬化膜、赤外線透過フィルタ、積層体、固体撮像素子、センサ、及び、パターン形成方法 |
WO2021044802A1 (ja) * | 2019-09-04 | 2021-03-11 | 株式会社Adeka | 組成物、硬化物、光学フィルタ及び硬化物の製造方法 |
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JP6103653B2 (ja) | 2017-03-29 |
KR20150020158A (ko) | 2015-02-25 |
CN103930493A (zh) | 2014-07-16 |
TW201351039A (zh) | 2013-12-16 |
JPWO2013172145A1 (ja) | 2016-01-12 |
KR101995970B1 (ko) | 2019-07-03 |
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