WO2016125663A1 - 光硬化性樹脂組成物、インキ及び塗料 - Google Patents
光硬化性樹脂組成物、インキ及び塗料 Download PDFInfo
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- WO2016125663A1 WO2016125663A1 PCT/JP2016/052375 JP2016052375W WO2016125663A1 WO 2016125663 A1 WO2016125663 A1 WO 2016125663A1 JP 2016052375 W JP2016052375 W JP 2016052375W WO 2016125663 A1 WO2016125663 A1 WO 2016125663A1
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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
- C08F20/00—Homopolymers and 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
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/40—Esters of unsaturated alcohols, e.g. allyl (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
- C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/26—Esters of unsaturated alcohols
-
- 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
- C08F263/00—Macromolecular compounds obtained by polymerising monomers on to polymers of esters of unsaturated alcohols with saturated acids as defined in group C08F18/00
- C08F263/06—Macromolecular compounds obtained by polymerising monomers on to polymers of esters of unsaturated alcohols with saturated acids as defined in group C08F18/00 on to polymers of esters with polycarboxylic acids
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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
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/06—Copolymers of allyl alcohol
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
Definitions
- the present invention relates to a photocurable resin composition containing an allyl polymer (A) and an adhesion-imparting resin (B), and an ink and a paint comprising the resin composition. More specifically, the present invention relates to a photocurable resin composition having excellent adhesion to a plastic substrate.
- UV-curing type printing inks are highly evaluated and have been put to practical use because of their fast curing speed, which can be cured in a short time, compatibility with the environment because they do not use solvents, and resource and energy savings. It has spread.
- a resin composition containing a diallyl phthalate resin derived from diallyl phthalate (diallyl orthophthalate, diallyl isophthalate, diallyl terephthalate) has been adopted as a UV offset ink for paper. .
- Patent Document 2 also discloses an active energy ray-curable ink composition containing a photopolymerizable acrylate monomer, a pigment, a photoinitiator, and a petroleum resin that is soluble in the photopolymerizable acrylate monomer. It is described that the active energy ray-curable ink composition containing a petroleum-based resin is excellent in transferability and adhesion to olefin-based resin films such as polyethylene or polypropylene. In terms of solubility, there is a problem in terms of versatility, which is compatible with only some petroleum resins.
- the objective of this invention is providing the photocurable resin composition which can comprise the composition which is excellent in adhesiveness with a plastic base material, and is compatible.
- the photocurable resin composition of the present invention is It contains an allyl polymer (A) obtained by polymerizing an allyl compound represented by the following general formula (I) and an adhesion-imparting resin (B).
- R 1 and R 2 each represent H or CH 3 ;
- X is a saturated or partially unsaturated 4- to 8-membered cyclic skeleton having no substituent, and represents an a-valent group, and a represents 2 or 3.
- the composition using the conventional diallyl phthalate resin is suitable as a component of ink and paint for PP resin, for which it was difficult to increase the adhesion.
- X in the general formula (I) preferably has any of the following cyclic skeletons.
- the photocurable resin composition of the present invention further contains an ethylenically unsaturated compound (C). Since the ethylenically unsaturated compound (C) has good compatibility with the allyl polymer (A) and the adhesion-imparting resin (B), it is suitable for making a composition with good compatibility.
- the photocurable resin composition of the present invention further contains a photopolymerization initiator.
- a photopolymerization initiator By containing the photopolymerization initiator, polymerization by light irradiation proceeds smoothly, so that a higher molecular weight polymer can be obtained in a short time.
- the ink of the present invention includes the photocurable resin composition of the present invention.
- This ink is suitable as an ink for printing on a plastic substrate, and particularly suitable as an ink for printing on a substrate such as a PP resin sheet or film.
- the paint of the present invention includes the photocurable resin composition of the present invention.
- This paint is suitable as a paint for drawing on a plastic substrate, and particularly suitable as a paint for drawing on a substrate such as a PP resin sheet or film.
- the coating material of this invention is an overprint varnish.
- the present invention when used as a component of an ink, a paint, an adhesive, and a photoresist, it has good adhesion to a synthetic polymer substrate, particularly a plastic substrate, and further has excellent compatibility.
- a photocurable resin composition is obtained.
- Allyl polymer (A) The photocurable resin composition of the present invention contains an allyl polymer (A) obtained by polymerizing an allyl compound represented by the following general formula (I).
- R 1 and R 2 each represent H or CH 3 ;
- X is a saturated or partially unsaturated 4- to 8-membered cyclic skeleton having no substituent, and represents an a-valent group, and a represents 2 or 3.
- Preferred examples of X in the general formula (I) include the following cyclic skeletons.
- X may be various, and may be a cyclic skeleton other than those described above. When the cyclic skeleton is partially unsaturated, the number of double bonds that the cyclic skeleton has is not limited to 1 and may be 2 or more. However, X is not an aromatic six-membered ring skeleton.
- X may be cross-linked in the molecule, and examples of X cross-linked in the molecule include adamantane, norbornene, norbornane and the like.
- X is an a-valent group, and since a is 2 or 3, X is a divalent or trivalent group.
- a (2 or 3) allyl ester groups [—CO—O—CH 2 —CR 2 ⁇ CHR 1 ] represented by the general formula (I) are bonded.
- the substitution position of the allyl ester group [—CO—O—CH 2 —CR 2 ⁇ CHR 1 ] on the ring of X may be any combination, and the allylic compound is a mixture of substances having a combination of different substitution positions. But it ’s okay.
- the two allyl ester groups when the two allyl ester groups are bonded to X of the 6-membered ring, the two allyl ester groups may be either ortho orientation, meta orientation or para orientation, but are preferably ortho orientation or para orientation. .
- allyl compound represented by the general formula (I) examples include diallyl 1,2-cyclohexanedicarboxylate, diallyl 1,3-cyclohexanedicarboxylate, diallyl 1,4-cyclohexanedicarboxylate, 4-cyclohexene- Examples include diallyl 1,2-dicarboxylate and diallyl 2-cyclohexene-1,2-dicarboxylate.
- diallyl 1,2-cyclohexanedicarboxylate, diallyl 4-cyclohexene-1,2-dicarboxylate, and diallyl 1,4-cyclohexanedicarboxylate are preferable, and diallyl 1,2-cyclohexanedicarboxylate is more preferable.
- the allyl polymer (A) obtained by polymerizing at least one selected from the group consisting of the above allyl compounds can be used for the photocurable resin composition. Furthermore, it is also possible to use what copolymerized the allyl type compound represented by the said general formula (I), and another polymerizable compound for a photocurable resin composition.
- Examples of the copolymerizable compound include 3-methyl-hexahydro-1,2-diallyl phthalate, 4-methyl-hexahydro-1,2-diallyl phthalate, 3-methyl-1,2,3,6-tetrahydro-1 , 2-diallyl phthalate, 4-methyl-1,2,3,6-tetrahydro-1,2-diallyl phthalate, and the like.
- Examples of the method for obtaining the compounds mentioned as specific examples of the allyl compound represented by the general formula (I) include a method of esterifying cyclohexanedicarboxylic acid or cyclohexanedicarboxylic anhydride and allyl alcohol or allyl chloride, And a method of esterifying cyclohexene dicarboxylic acid or cyclohexene dicarboxylic acid anhydride with allyl alcohol or allyl chloride.
- the polymerization method of the allylic compound represented by the general formula (I) is not particularly limited, and a normal polymerization reaction can be used.
- a polymerization initiator may be appropriately added to the polymerization reaction as necessary. By using a polymerization initiator, a higher molecular weight polymer can be obtained in a short time.
- Polymerization initiators used for the polymerization reaction of allyl compounds include azo initiators such as azobisisobutyronitrile and dimethyl 2,2′-azobisisobutyrate, ketone peroxides, peroxyketals, hydroperoxides, and dialkyl peroxides.
- Peroxide initiators such as diacyl peroxide, peroxydicarbonate, peroxyester, benzoyl peroxide, 2-methyl-1- [4- (methylthio) phenyl] -2-morpholinopropan-1-one, -Acetophenones such as hydroxycyclohexyl phenyl ketone, benzoins such as benzoin and benzoin ethyl ether, benzophenones such as benzophenone, phosphoruss such as acylphosphine oxide, sulfurs such as thioxanthone, benzyl, 9,10-phenanthrene Benzyl photopolymerization initiators such as quinone.
- the amount of the polymerization initiator is preferably 5.0 parts by weight or less, and 3.0 parts by weight or less with respect to 100 parts by weight of the monomer of the allylic compound represented by the general formula (I). It is more preferable. Further, it is particularly preferably 0.001 to 3.0 parts by weight.
- the reaction temperature during the polymerization is preferably 60 to 240 ° C., for example 80 to 220 ° C.
- the reaction time is preferably 0.1 to 100 hours, for example 1 to 30 hours.
- an allylic polymer having a monomer unit based on the allylic compound represented by the general formula (I) ( A) can be prepared.
- the content of the monomer unit based on the allylic compound represented by the general formula (I) is preferably 20% by weight or more, and 50% by weight or more in 100% by weight of the allylic polymer (A). More preferably, it is more preferably 80% by weight or more, particularly preferably 98% by weight or more, and may be 100% by weight.
- the weight average molecular weight of the allylic polymer (A) is preferably 300,000 or less, and more preferably 200,000 or less. Further, it is more preferably 2,000 to 150,000, and particularly preferably 5,000 to 140,000.
- the content of the allyl polymer (A) in the photocurable resin composition of the present invention is preferably 1 to 50% by weight, based on the total amount of the photocurable resin composition. More preferred is 1 to 30% by weight. Within the above range, even when the adhesion-imparting resin (B) or the ethylenically unsaturated compound (C) described later is added, it is possible to maintain a sufficiently dissolved state and obtain a composition having excellent compatibility. Is possible.
- Adhesion imparting resin (B) examples include unsaturated polyester resins, polyamide resins, epoxy resins, phenol resins, vinyl chloride resins, vinyl acetate resins, urethane resins, ABS resin, AS resin, AAS resin, ethylene / vinyl chloride copolymer resin, butyral resin, ethylene / vinyl acetate copolymer resin, polyimide resin, polyacetal resin, polyethylene resin, polycarbonate resin, styrene resin, styrene maleic acid resin, Examples thereof include polysulfone resin, melamine resin, urea resin, xylene resin, coumarone resin, ketone resin, maleic acid resin, polyvinyl alcohol, polyvinyl ether, polyterpene resin, terpene phenol resin, and acrylic resin.
- a resin having a low polarity is preferable, and an SP value as a scale representing polarity is 7.0 to 10.0.
- a resin is more preferable, a resin having an SP value of 8.0 to 10.0 is further preferable, and a resin having an SP value of 9.0 to 10.0 is particularly preferable.
- Such resins include polyethylene resin (SP value 8.1), styrene resin (SP value 9.1), vinyl acetate resin (SP value 9.4), vinyl chloride resin (SP value 9.6), polycarbonate. Resin (SP value 9.8), styrene maleic acid resin (SP value 9.85), etc. are mentioned.
- the SP value can be calculated by the Fedors method (described in Polymer Engineering and Science, 14, (2), 147 (1974)).
- the viewpoint of improving the adhesiveness to olefin resin films, such as a polypropylene, and the phase with an allyl polymer (A) and an ethylenically unsaturated compound (C) at the time of adding in a photocurable resin composition From the viewpoint of solubility, a resin containing a benzene ring is preferable, and a styrene resin having a monomer unit based on styrene is more preferable.
- the styrenic resin include AS resin, ABS resin, styrene resin, styrene maleic acid resin, and the like, and styrene resin and styrene maleic acid resin are particularly preferable.
- the content of the adhesion-imparting resin (B) contained in the photocurable resin composition is 50 to 1000 parts by weight with respect to 100 parts by weight of the allyl polymer (A) of the photocurable resin composition. It is preferably 100 to 900 parts by weight, more preferably 200 to 800 parts by weight. Within the above range, sufficient adhesion to the plastic substrate can be obtained, and the allyl polymer (A) and the adhesion-imparting resin (B) can be sufficiently dissolved and have excellent compatibility. Composition. Furthermore, even when the ethylenically unsaturated compound (C) is added, it is possible to maintain a sufficiently dissolved state.
- the photocurable resin composition of the present invention preferably contains an ethylenically unsaturated compound (C) that can be cured by light irradiation.
- the ethylenically unsaturated compound (C) preferably has 1 to 20 carbon-carbon double bonds, more preferably 1 to 10, and even more preferably 2 to 6.
- Examples of the ethylenically unsaturated compound (C) include (meth) acrylic acid ester compounds, (meth) allyl compounds, and vinyl compounds.
- the ethylenically unsaturated compound may be a mixture of two or more compounds.
- (meth) acrylic acid ester compounds include pentaerythritol, dipentaerythritol, trimethylolpropane, ditrimethylolpropane, neopentyl glycol, 1,6-hexanediol, glycerin, polyethylene glycol, and polypropylene glycol (meta).
- Examples of the (meth) allyl compound include di (meth) allyl phthalate and tri (meth) allyl isocyanurate.
- Examples of the vinyl compound include styrene, divinylbenzene, N-vinylpyrrolidone, vinyl acetate and the like.
- ditrimethylolpropane tetraacrylate and trimethylolpropane triacrylate are preferable, and ditrimethylolpropane tetraacrylate is more preferable in view of compatibility with the allyl polymer (A) and curability when photocured.
- Content of the ethylenically unsaturated compound (C) contained in the product photocurable resin composition of the present invention is 50 with respect to 100 parts by weight of the allylic polymer (A) in the photocurable resin composition. It is preferably from ⁇ 1000 parts by weight, more preferably from 100 to 950 parts by weight, and even more preferably from 250 to 950 parts by weight.
- the content of the ethylenically unsaturated compound (C) contained in the photocurable resin composition is such that the viscosity of the photocurable resin composition is in the range of 100 to 300 Pa ⁇ s (25 ° C.). It is preferable to add.
- the photocurable resin composition of the present invention may contain a polymerization initiator, and particularly preferably contains a photopolymerization initiator.
- the photopolymerization initiator contained in the photocurable resin composition include acetophenone series such as 2-methyl-1- [4- (methylthio) phenyl] -2-morpholinopropane-1, 1-hydroxycyclohexyl phenyl ketone, Examples thereof include benzoin such as benzoin and benzoin ethyl ether, benzophenone such as benzophenone, phosphorus such as acylphosphine oxide, sulfur such as thioxanthone, and dibenzyl such as benzyl and 9,10-phenanthrenequinone.
- the amount of the photopolymerization initiator contained in the photocurable resin composition is preferably in the range of 0.1 to 15% by weight, and preferably 0.5 to 12% by weight with respect to the entire photocurable resin composition. % Is more preferable, and the range of 1 to 10% by weight is more preferable.
- a photoinitiator for example, an amine photoinitiator such as triethanolamine
- the amount of the photoinitiating aid is preferably in the range of 0.1 to 5% by weight, more preferably in the range of 0.5 to 3% by weight, based on the entire photocurable resin composition.
- the photocurable resin composition of the present invention includes various additives, for example, stabilizers (for example, polymerization inhibitors such as hydroquinone and methoquinone), pigments (for example, cyanine blue, disazo yellow, carmine 6b, lake C, Various additives such as colorants such as carbon black and titanium white, fillers, viscosity modifiers and the like can be contained depending on the purpose.
- stabilizers for example, polymerization inhibitors such as hydroquinone and methoquinone
- pigments for example, cyanine blue, disazo yellow, carmine 6b, lake C
- Various additives such as colorants such as carbon black and titanium white, fillers, viscosity modifiers and the like can be contained depending on the purpose.
- the amount of the stabilizer contained in the photocurable resin composition is preferably in the range of 0.01 to 2% by weight, preferably 0.1 to 1% by weight, based on the entire photocurable resin composition. A range is more preferred.
- the adhesion-imparting resin (B) is added to the allyl polymer (A), and if necessary, the ethylenically unsaturated compound (C), further, a photopolymerization initiator, light It can be produced by mixing an initiator and an additive (for example, a stabilizer and a pigment).
- the photocurable resin composition of the present invention is cured by irradiating light.
- the light used for curing is generally ultraviolet light.
- the curing device used for the curing reaction of the photocurable resin composition and the curing conditions are not particularly limited, and any method may be used as long as it is used for a normal photocuring reaction.
- the use of the photocurable resin composition of the present invention is not particularly limited. Inks (for example, printing inks for photo-curable lithographic printing plates, silk screen inks, gravure inks, etc.), paints (for example, paints for paper, plastics, metals, woodworking, for example, overprint varnishes) ), Adhesives, photoresists, and other technical fields.
- the ink containing the photocurable resin composition of the present invention is the ink of the present invention, and the paint containing the photocurable resin composition of the present invention is the paint of the present invention.
- the coating material of this invention is an overprint varnish.
- a general method for producing ink is as follows.
- the allylic polymer (A), the adhesion-imparting resin (B), the stabilizer and the like are dissolved in the ethylenically unsaturated compound (C) while stirring at a temperature of 60 ° C. to 100 ° C. to prepare a varnish.
- the ink is obtained by mixing the varnish with a pigment, a photopolymerization initiator, and other additives with a butterfly mixer and then kneading with a three-roll roll.
- the overprint varnish can be prepared by the same procedure as that for ink except that no pigment is used.
- Mw and Mn are values of weight average molecular weight and number average molecular weight in terms of standard polystyrene.
- Examples 1 and 2 and Comparative Examples 1 to 3 The photocurable resin composition of each composition of following Table 1 was prepared, and the characteristic of the photocurable resin composition was evaluated.
- Components other than the polymer 1 shown in Table 1 are as follows. The composition amounts shown in Table 1 are expressed in parts by weight.
- DAP resin Osaka Soda Co., Ltd.
- Diallyl phthalate resin Piccolastic A75: Eastman Chemical Japan Co., Ltd.
- Styrene resin SMA 2625 Clay Valley Co., Ltd.
- Styrene maleic resin SR355 Sartomer Co., Ltd. Made by Japan Co., Ltd. (Octadecyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate)
- Adhesion test 1 Irgacure 907 (manufactured by BASF Japan Ltd. 2-methyl-1-) as a photopolymerization initiator for each photocurable resin composition prepared by evaluating the compatibility of the photocurable resin composition [4- (Methylthio) phenyl] -2-morpholinopropan-1-one) was added and mixed by heating to prepare a sample for use in the adhesion test.
- the addition amount of the photopolymerization initiator is 100 parts by weight of the total amount of the allyl polymer (A) or DAP resin, the adhesion-imparting resin (B), and the ethylenically unsaturated compound (C) in the photocurable resin composition. The amount was 5 parts by weight.
- a plastic film (polypropylene substrate: unstretched highly transparent PP sheet manufactured by Tatsuta Chemical Co., Ltd., product name: High P Crystal ST-500, thickness 0.3 mm) is coated with the above sample prepared for use in the adhesion test, and an RI tester And cured with a metal halide lamp with an output of 120 W / cm (multiple passes until the coating film becomes tack-free at a lamp distance of 11 cm and a conveyor speed of 5 m / min).
- the UV curing device a conveyor type ultraviolet curing device manufactured by Eye Graphics Co., Ltd. was used. Nichiban Co., Ltd.
- the polymer 1 which is an allyl polymer (A) obtained by polymerizing the allyl compound represented by the general formula (I) and the adhesion-imparting resin (B ) was more compatible with the ethylenically unsaturated compound (C) than the combination of the DAP resin and the adhesion-imparting resin (B). Further, as can be seen by comparing Examples 1 and 2 with Comparative Examples 2 and 3, the polymer 1 is an allyl polymer (A) obtained by polymerizing an allyl compound represented by the general formula (I).
- the adhesion to the polypropylene sheet which is difficult to adhere with the conventional photocurable composition prepared using the diallyl phthalate resin, by combining the resin and the adhesion-imparting resin (B). Also improved.
- the photocurable resin composition of the present invention can be used for inks for plastic substrates (for example, offset inks), paints, adhesives, photoresists and the like.
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Abstract
Description
すなわち、本発明の光硬化性樹脂組成物は、
下記一般式(I)で表されるアリル系化合物を重合して得られるアリル系重合体(A)と、密着付与樹脂(B)とを含有することを特徴とする。
Xは置換基を有しない飽和または一部不飽和の4~8員環の環状骨格であってa価の基を表し、aは2または3を表す。]
また、この光硬化性樹脂組成物は特にPP(ポリプロピレン)樹脂に対する密着性に優れる。
これは、アリル系重合体(A)及びPP樹脂の極性の程度が近く、さらに、密着付与樹脂(B)及びPP樹脂の極性の程度も近いために、アリル系重合体(A)及び密着付与樹脂(B)を含む光硬化性組成物はPP樹脂に対して密着性の観点で好ましい組み合わせとなっているためと考えられる。
また、アリル系重合体(A)と密着付与樹脂(B)を含有すると、他の樹脂成分と組み合わせた場合に相溶性の良い組成物を構成することができる。
そのため、従来のジアリルフタレート樹脂を用いた組成物では密着性を高くすることが困難であったPP樹脂用のインキ、塗料の成分として適している。
エチレン性不飽和化合物(C)は、アリル系重合体(A)及び密着付与樹脂(B)との相溶性がよいので、相溶性の良い組成物とすることに適している。
光重合開始剤を含有することによって、光照射による重合がスムーズに進むため、より高分子量の重合体を短時間に得ることができる。
このインキは、プラスチック基材に印刷するためのインキとして適しており、特にPP樹脂製のシート、フィルム等の基材に印刷するためのインキとして適している。
この塗料は、プラスチック基材に描画するための塗料として適しており、特にPP樹脂製のシート、フィルム等の基材に描画するための塗料として適している。
また、本発明の塗料はオーバープリントワニスであることが好ましい。
本発明の光硬化性樹脂組成物は、下記一般式(I)で表されるアリル系化合物を重合して得られるアリル系重合体(A)を含有する。
Xは置換基を有しない飽和または一部不飽和の4~8員環の環状骨格であってa価の基を表し、aは2または3を表す。]
上記アリル系化合物からなる群より選択される少なくとも1種以上を重合することで得られるアリル系重合体(A)を光硬化性樹脂組成物に用いることができる。さらには、上記一般式(I)で表されるアリル系化合物と他の重合可能な化合物を共重合したものを光硬化性樹脂組成物に用いることも可能である。共重合可能な化合物として、例えば、3-メチル-ヘキサヒドロ-1,2-ジアリルフタレート、4-メチル-ヘキサヒドロ-1,2-ジアリルフタレート、3-メチル-1,2,3,6-テトラヒドロ-1,2-ジアリルフタレート、4-メチル-1,2,3,6-テトラヒドロ-1,2-ジアリルフタレート等を例示することができる。
また、上記一般式(I)で表されるアリル系化合物の具体例として挙げた化合物の市販品を用いてもよい。
本発明の光硬化性樹脂組成物に用いることのできる密着付与樹脂(B)としては、例えば、不飽和ポリエステル樹脂、ポリアミド樹脂、エポキシ樹脂、フェノール樹脂、塩化ビニル樹脂、酢酸ビニル樹脂、ウレタン樹脂、ABS樹脂、AS樹脂、AAS樹脂、エチレン・塩化ビニル共重合体樹脂、ブチラール樹脂、エチレン・酢酸ビニル共重合体樹脂、ポリイミド樹脂、ポリアセタール樹脂、ポリエチレン樹脂、ポリカーボネート樹脂、スチレン樹脂、スチレンマレイン酸樹脂、ポリスルホン樹脂、メラミン樹脂、尿素樹脂、キシレン樹脂、クマロン樹脂、ケトン樹脂、マレイン酸樹脂、ポリビニルアルコール、ポリビニルエーテル、ポリテルペン樹脂、テルペンフェノール樹脂およびアクリル樹脂等を例示することができる。
そのような樹脂としては、ポリエチレン樹脂(SP値8.1)、スチレン樹脂(SP値9.1)、酢酸ビニル樹脂(SP値9.4)、塩化ビニル樹脂(SP値9.6)、ポリカーボネート樹脂(SP値9.8)、スチレンマレイン酸樹脂(SP値9.85)等が挙げられる。
SP値は、Fedorsの方法(Polymer Engineering and Science,14,(2),147(1974)に記載)により算出することができる。
本発明の光硬化性樹脂組成物は、光照射により硬化可能であるエチレン性不飽和化合物(C)を含有することが好ましい。エチレン性不飽和化合物(C)は、炭素-炭素二重結合を1~20個有することが好ましく、1~10個有することがより好ましく、2~6個有することがさらに好ましい。エチレン性不飽和化合物(C)としては、(メタ)アクリル酸エステル化合物、(メタ)アリル化合物およびビニル化合物等が挙げられる。また、エチレン性不飽和化合物は2種以上の化合物の混合物を用いることも可能である。
ビニル化合物としては、スチレン、ジビニルベンゼン、N-ビニルピロリドン、酢酸ビニル等を例示することができる。
本発明の光硬化性樹脂組成物は、重合開始剤を含んでいてもよく、特に光重合開始剤を含有することが好ましい。光硬化性樹脂組成物に含有される光重合開始剤としては、2-メチル-1-[4-(メチルチオ)フェニル]-2-モルホリノプロパン-1、1-ヒドロキシシクロヘキシルフェニルケトン等のアセトフェノン系、ベンゾイン、ベンゾインエチルエーテル等のベンゾイン系、ベンゾフェノン等のベンゾフェノン系、アシルフォスフィンオキサイド等のリン系、チオキサントン等のイオウ系、ベンジル、9,10-フェナンスレンキノン等のジベンジル系が挙げられる。
光開始助剤の量は、光硬化性樹脂組成物全体に対して、0.1~5重量%の範囲であることが好ましく、0.5~3重量%の範囲がより好ましい。
着色剤の量は、光硬化性樹脂組成物全体に対して、1~50重量%の範囲であることが好ましく、1~45重量%の範囲がより好ましい。
本発明の光硬化性樹脂組成物を含むインキは本発明のインキであり、本発明の光硬化性樹脂組成物を含む塗料は本発明の塗料である。また、本発明の塗料はオーバープリントワニスであることが好ましい。
また、オーバープリントワニスの作成は、顔料を使用しない以外は、インキと同様の手順により行える。
以下、実施例を挙げて、本発明をより具体的に説明するが、本発明はこれらの実施例に限定されるものではない。
重量平均分子量(Mw)、分子量分布(Mw/Mn)はGPCを用いて測定した。Mw、Mnは標準ポリスチレン換算の重量平均分子量、数平均分子量の値である。
カラム:ShodexKF-806L、KF-804、KF-803、KF-802、KF-801を直列に接続
流速:1.0mL/min
温度:40℃
検出:RID-6A
試料:試料20mgをテトラヒドロフラン10mLに溶解させ測定用のサンプルとした。
1,2-シクロヘキサンジカルボン酸ジアリルは、シクロヘキサンジカルボン酸無水物とアリルアルコールをエステル化反応させることによって製造した。
3Lのセパラブルフラスコに1,2-シクロヘキサンジカルボン酸ジアリル2400gを加え、60gのベンゾイルパーオキサイドを加えて80℃で加熱攪拌した。2.5時間反応させた後、30℃まで冷却した。冷却後、フラスコにメタノールを加え、重合体を沈殿させた。得られた重合体を40℃で16時間減圧乾燥した(収量:408g、収率:17%、Mw=32,000、Mw/Mn=2.8)。得られた重合体を重合体1とした。
下記表1に記載の各組成の光硬化性樹脂組成物を調製し、光硬化性樹脂組成物の特性を評価した。
製造例1で得られたアリル系重合体(A)又はDAP樹脂、密着付与樹脂(B)、エチレン性不飽和化合物(C)及び重合禁止剤を下記表1に記載の各組成量で添加し、100℃まで加熱混合して光硬化性樹脂組成物を調製した。室温に冷却後、一晩後経過したものの外観が透明であるかで相溶性を確認した。冷却後も外観が透明であったものを〇、白濁したものを×とした。結果は表2に示す。
また、表1に示す組成量は重量部での表記である。
DAP樹脂:(株)大阪ソーダ製 ジアリルフタレート樹脂
Piccolastic A75:イーストマンケミカルジャパン(株)製 スチレン樹脂
SMA2625:クレイバレー社製 スチレンマレイン酸樹脂
SR355:サートマー(株)製 ジトリメチロールプロパンテトラアクリレート
Irganox1076:BASFジャパン(株)製 (オクタデシル-3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオネート)
1)光硬化性樹脂組成物の相溶性の評価で調製した各光硬化性樹脂組成物に対して光重合開始剤としてIrgacure907(BASFジャパン(株)製 2-メチル-1-[4-(メチルチオ)フェニル]-2-モルホリノプロパン-1-オン)を添加し、加熱混合することで密着性試験に用いるサンプルを調製した。
光重合開始剤の添加量は、光硬化性樹脂組成物中のアリル系重合体(A)又はDAP樹脂、密着付与樹脂(B)及びエチレン性不飽和化合物(C)の合計量100重量部に対して5重量部となる量とした。
プラスチックフィルム(ポリプロピレン基材:龍田化学株式会社製 無延伸高透明PPシート 品名:ハイピークリスタル ST-500 厚み0.3mm)に、密着性試験に用いるために調製した上記サンプルをコートし、RIテスターを用いてコートし出力120W/cmのメタルハライドランプ(ランプ距離11cm、コンベアスピード5m/minで塗膜がタックフリーになるまで複数回通過)で硬化させた。なお、UV硬化装置はアイグラフィックス株式会社製コンベア型紫外線硬化装置を用いた。得られた塗膜に、ニチバン社製18mm幅のセロテープ(登録商標)(品番:LP-18、粘着力:4.01N/10mm)を貼り付け、親指で5回強く擦った後、セロテープ(登録商標)を引き離した。評価基準は下記の通りとした。評価結果を表2に示す。
なお、比較例1の光硬化性樹脂組成物は相溶性が悪いために密着性試験を行うことができなかった(評価は「-」で示した)。
5:急激に引き離しても剥離しないもの
4:徐々に引き離しても全く剥離しないが、急激に引き離すとわずかに剥離するもの
3:急激に引き離せば剥離するが、徐々に引き離しても全く剥離しないもの
2:徐々に引き離しても、50%程度剥離するもの
1:徐々に引き離しても剥離するもの
Claims (7)
- 下記一般式(I)で表されるアリル系化合物を重合して得られるアリル系重合体(A)と、
密着付与樹脂(B)とを含有することを特徴とする光硬化性樹脂組成物。
[R1およびR2は、それぞれ、HまたはCH3を表し、
Xは置換基を有しない飽和または一部不飽和の4~8員環の環状骨格であってa価の基を表し、aは2または3を表す。] - 更に、エチレン性不飽和化合物(C)を含有する請求項1または2に記載の光硬化性樹脂組成物。
- 更に、光重合開始剤を含有する請求項1~3のいずれかに記載の光硬化性樹脂組成物。
- 請求項1~4のいずれかに記載の光硬化性樹脂組成物を含むことを特徴とするインキ。
- 請求項1~4のいずれかに記載の光硬化性樹脂組成物を含むことを特徴とする塗料。
- オーバープリントワニスである請求項6に記載の塗料。
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| WO2018047588A1 (ja) * | 2016-09-06 | 2018-03-15 | 株式会社大阪ソーダ | チオール化合物で変性したジアリルフタレート樹脂、及び当該樹脂を含有する光硬化性樹脂組成物とその用途 |
| JP2018158995A (ja) * | 2017-03-23 | 2018-10-11 | 東洋インキScホールディングス株式会社 | 活性エネルギー線硬化型樹脂組成物、インキおよび印刷物 |
| WO2019039185A1 (ja) * | 2017-08-24 | 2019-02-28 | 株式会社大阪ソーダ | 不飽和ポリエステル樹脂組成物 |
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| JPWO2021044729A1 (ja) * | 2019-09-02 | 2021-03-11 | ||
| WO2023157552A1 (ja) * | 2022-02-21 | 2023-08-24 | サカタインクス株式会社 | 活性エネルギー線硬化型インキ組成物 |
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| JP6828853B2 (ja) * | 2019-01-30 | 2021-02-10 | 株式会社大阪ソーダ | 光硬化性樹脂組成物、インキ及び塗料 |
| ES2991506T3 (es) * | 2020-03-30 | 2024-12-03 | Osaka Soda Co Ltd | Composición de tinta curable por rayos de energía activa |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017048279A (ja) * | 2015-08-31 | 2017-03-09 | ダイセル・オルネクス株式会社 | 活性エネルギー線硬化性コート剤組成物 |
| WO2018047588A1 (ja) * | 2016-09-06 | 2018-03-15 | 株式会社大阪ソーダ | チオール化合物で変性したジアリルフタレート樹脂、及び当該樹脂を含有する光硬化性樹脂組成物とその用途 |
| JP2018158995A (ja) * | 2017-03-23 | 2018-10-11 | 東洋インキScホールディングス株式会社 | 活性エネルギー線硬化型樹脂組成物、インキおよび印刷物 |
| WO2019039185A1 (ja) * | 2017-08-24 | 2019-02-28 | 株式会社大阪ソーダ | 不飽和ポリエステル樹脂組成物 |
| WO2019039158A1 (ja) * | 2017-08-24 | 2019-02-28 | 株式会社大阪ソーダ | 光硬化性樹脂組成物、インキ及び塗料 |
| JPWO2019039185A1 (ja) * | 2017-08-24 | 2020-04-02 | 株式会社大阪ソーダ | 不飽和ポリエステル樹脂組成物 |
| JPWO2019039158A1 (ja) * | 2017-08-24 | 2020-08-06 | 株式会社大阪ソーダ | 光硬化性樹脂組成物、インキ及び塗料 |
| JPWO2021044729A1 (ja) * | 2019-09-02 | 2021-03-11 | ||
| WO2021044729A1 (ja) * | 2019-09-02 | 2021-03-11 | 株式会社大阪ソーダ | 光硬化性樹脂組成物、インキ及び塗料 |
| JP7548237B2 (ja) | 2019-09-02 | 2024-09-10 | 株式会社大阪ソーダ | 光硬化性樹脂組成物、インキ及び塗料 |
| WO2023157552A1 (ja) * | 2022-02-21 | 2023-08-24 | サカタインクス株式会社 | 活性エネルギー線硬化型インキ組成物 |
| JP2023121316A (ja) * | 2022-02-21 | 2023-08-31 | サカタインクス株式会社 | 活性エネルギー線硬化型インキ組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3211015C0 (en) | 2024-08-07 |
| US20170313796A1 (en) | 2017-11-02 |
| EP3211015B1 (en) | 2024-08-07 |
| KR102459203B1 (ko) | 2022-10-26 |
| JP6690555B2 (ja) | 2020-04-28 |
| EP3211015A4 (en) | 2018-08-22 |
| CN107075042A (zh) | 2017-08-18 |
| US10336836B2 (en) | 2019-07-02 |
| ES2986776T3 (es) | 2024-11-12 |
| CN107075042B (zh) | 2020-03-03 |
| EP3211015A1 (en) | 2017-08-30 |
| JPWO2016125663A1 (ja) | 2017-11-09 |
| KR20170110568A (ko) | 2017-10-11 |
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