WO2015008596A1 - 活性エネルギー線硬化性組成物、それを用いた活性エネルギー線硬化性印刷インキ、及び印刷物 - Google Patents
活性エネルギー線硬化性組成物、それを用いた活性エネルギー線硬化性印刷インキ、及び印刷物 Download PDFInfo
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- WO2015008596A1 WO2015008596A1 PCT/JP2014/066979 JP2014066979W WO2015008596A1 WO 2015008596 A1 WO2015008596 A1 WO 2015008596A1 JP 2014066979 W JP2014066979 W JP 2014066979W WO 2015008596 A1 WO2015008596 A1 WO 2015008596A1
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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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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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
- 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
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
- C08F222/1025—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate of aromatic dialcohols
-
- 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
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/106—Esters of polycondensation macromers
- C08F222/1067—Esters of polycondensation macromers of alcohol terminated epoxy functional polymers, e.g. epoxy(meth)acrylates
Definitions
- the present invention relates to an active energy ray-curable composition useful as a raw material for active energy ray-curable inks. Furthermore, it is related with the active energy ray-curable printing ink using this composition, and printed matter.
- Active energy ray-curable composition has a low heat history on the coated substrate and is excellent in coating film hardness and scratch resistance.
- hard coating agents for various plastic substrates such as home appliances and mobile phones, paper, etc. It is used in various fields such as overcoat agent, binder for printing ink, solder resist.
- an epoxy acrylate resin obtained by adding acrylic acid or methacrylic acid to an epoxy resin is frequently used in various fields as a material excellent in adhesion and adhesion to a base material (for example, see Patent Document 1).
- the problem to be solved by the present invention is to develop high energy curability when used in printing ink, as well as an active energy ray curable composition having excellent emulsifying ability and offset printing ability, excellent curability,
- An object of the present invention is to provide an active energy ray-curable printing ink having emulsifying properties and offset printing suitability, and a printed matter thereof.
- the present inventors have obtained a polymerizable unsaturated group obtained by modifying the epoxy resin (A) with a monocarboxylic acid (B) having a polymerizable unsaturated group.
- a polymerizable unsaturated group obtained by modifying the epoxy resin (A) with a monocarboxylic acid (B) having a polymerizable unsaturated group.
- the resin exhibits excellent curability.
- the present inventors have found that the emulsification characteristics of the printing ink itself are dramatically improved and that good printing characteristics can be obtained, thereby completing the present invention.
- the present invention is a polymerizable unsaturated group-containing resin obtained by reacting an epoxy resin with a monocarboxylic acid having a polymerizable unsaturated group, which originates from or is derived from a glycidyloxy group in the epoxy resin.
- the present invention provides an active energy ray-curable composition that is an essential component.
- the present invention further provides an active energy ray-curable printing ink comprising the active energy ray-curable composition.
- the present invention further provides a printed matter obtained by printing using the active energy ray-curable printing ink.
- an active energy ray-curable composition that exhibits high curability when used in a printing ink and has excellent emulsifying ability and offset printing ability, excellent curability, emulsifying ability, and offset printing ability.
- an active energy ray-curable printing ink and a printed matter thereof can be provided, and an active energy ray-curable printing ink and a printed matter thereof.
- the active energy ray-curable composition of the present invention is a polymerizable unsaturated group-containing resin obtained by reacting an epoxy resin with a carboxylic acid having a polymerizable unsaturated group, and is an ⁇ glycol at the terminal structure site.
- the proportion of the structure site is 5 mol% or less.
- the terminal structure site derived from or derived from the glycidyloxy group in the epoxy resin is an epoxy group in the raw material epoxy resin and a carboxylic acid having a polymerizable unsaturated group. It means various terminal structural sites generated by the reaction, or epoxy groups remaining unreacted. Specifically, the following structural formulas (i) to (vi)
- R 1 and R 2 are hydrogen atom or a methyl group.
- R 1 and R 2 are hydrogen atom or a methyl group.
- the content of the ⁇ -glycol structural moiety represented by the structural formula (v) is adjusted to a ratio of 5 mol% or less.
- the curability in the printing ink using the polymerizable unsaturated group-containing resin is good, and excellent emulsification characteristics are exhibited.
- the content is 3 mol% or less, when used as a printing ink and performing offset printing, it is preferable from the viewpoint that printing characteristics are particularly excellent.
- the ⁇ -glycol structure is based on the total number of terminal structures selected from these.
- part should just be 5 mol% or less.
- the abundance ratio of the structural formulas (i) to (vi) can be measured by 13 C-NMR as described above. Specifically, each of the carbon atoms indicated by * below is indicated. It can be derived by the peak area ratio. When each peak overlaps with another carbon atom in another structure, the ratio may be obtained by excluding the area due to the other carbon atom.
- R 1 and R 2 are a hydrogen atom or a methyl group.
- the proportion of each terminal structural site in the structural formulas (i) to (vi) may be 5 mol% or less of the ⁇ -glycol structural site represented by the structural formula (v) as described above.
- the other terminal structure site is, for example, that the ⁇ -addition structure site represented by the structural formula (i) is 70 mol% or more, more specifically, Is represented by the structural formula (ii) and the ⁇ -added structural site represented by the structural formula (i), the ⁇ -added structural site represented by the structural formula (i) is 70 mol% or more. It is preferable from the viewpoint of curability and emulsification that the total amount with the ⁇ -addition structure site is 84% or more.
- the ⁇ addition structure site represented by the structural formula (iii) is preferably 5 mol% or less from the viewpoint of emulsification, and the monocarboxylic acid further having a polymerizable unsaturated group in the ⁇ addition structure. It is preferable from the point that sclerosis
- the epoxy resin is preferably a compound having two or more epoxy groups in one molecule, specifically, bisphenol A type epoxy resin, bisphenol F type epoxy resin, bisphenol S type epoxy resin, bisphenol.
- Bisphenol type epoxy resins such as AD type epoxy resin, hydrogenated bisphenol A type epoxy resin, hydrogenated bisphenol F type epoxy resin, hydrogenated bisphenol S type epoxy resin, hydrogenated bisphenol AD type epoxy resin, tetrabromobisphenol A type epoxy resin Ortho-cresol novolac epoxy resin; phenol novolac epoxy resin, naphthol novolac epoxy resin, bisphenol A novolac epoxy resin, brominated phenol novolac epoxy resin, alkylphenol Novolak-type epoxy resins, bisphenol S novolak-type epoxy resins, methoxy group-containing novolak-type epoxy resins, brominated phenol novolak-type epoxy resins, and other novolak-type epoxy resins; Bifunctional epoxy resin such as diglycidyl ether of resorcin, diglycidyl ether of hydroquino
- bisphenol-type epoxy resins and novolak-type epoxy resins are preferable from the viewpoint of printability, and bisphenol-type epoxy resins having an epoxy equivalent in the range of 170 to 500 g / eq, particularly bisphenol A-type epoxy resins are emulsified. It is preferable from the viewpoint of excellent properties and excellent printability when used as a printing ink.
- the monocarboxylic acid having a polymerizable unsaturated group to be reacted with the epoxy resin includes, for example, acrylic acid, methacrylic acid, and crotonic acid.
- Acrylic acid and methacrylic acid are particularly preferable from the viewpoint of printability.
- Acrylic acid is preferred.
- the polymerizable unsaturated group-containing resin (A) used in the present invention can be produced by reacting an epoxy resin with the carboxylic acid having a polymerizable unsaturated group.
- the reaction in the presence of a nitrogen atom-containing basic catalyst is preferred from the viewpoint that the amount of ⁇ -glycol can be easily reduced to 5 mol% or less.
- the nitrogen atom-containing basic catalyst used here is a basic compound having a nitrogen atom.
- the nitrogen atom-containing basic catalyst include primary amines such as n-butylamine, amylamine, hexylamine, cyclohexylamine, octylamine, and benzylamine, diethylamine, dipropylamine, diisopropylamine, and dibutylamine.
- Secondary amines such as linear secondary amines, aziridines, azetidines, pyrrolidines, piperidines, azepanes, azocans, etc.
- triethylamine or tetramethylammonium chloride is preferable because the amount of ⁇ -glycol in the polymerizable unsaturated group-containing resin can be easily reduced to 5% or less.
- the nitrogen atom-containing basic catalyst is used in an amount of 0.01 to 0.6 parts by weight, particularly 0.03 to 0.5 parts by weight, especially 0.05, based on 100 parts by weight of the total raw material components.
- a range of about 0.3 parts by mass is preferable because the amount of ⁇ -glycol in the produced polymerizable unsaturated group-containing resin is reduced and the emulsification characteristics are improved.
- the method for producing the polymerizable unsaturated group-containing resin (A) comprises an epoxy resin and a carboxyl group having a polymerizable unsaturated group in the presence of a nitrogen atom-containing basic catalyst.
- a ratio in the range of 0.9 / 1.0 to 1.0 / 0.9 (molar ratio) a ratio in the range of 0.9 / 1.0 to 1.0 / 0.9 (molar ratio)
- the nitrogen atom-containing basic catalyst is added in an amount of 0.01 to 0.6 parts by mass, preferably 0.03 to 0.5 parts by mass, especially 0.05 to 0.3 parts by mass, with a reaction temperature in the range of 80 to 125 ° C., preferably 90 to 110 ° C.
- the method of reacting until the epoxy equivalent is 8000 g / eq or more or the acid value is 2.0 or less is easy to reduce the amount of ⁇ -glycol in the polymerizable unsaturated group-containing resin to 5% or less. preferable.
- reaction between the epoxy resin and the carboxylic acid having a polymerizable unsaturated group uses a radical polymerizable monomer that does not contain a site that reacts with a carboxyl group and an epoxy group as a reaction solvent. It is also possible to do this.
- the polymerizable unsaturated group-containing resin (A) thus obtained is preferably one having an epoxy equivalent of 8000 g / eq or more or an acid value of 2.0 or less.
- the polymerizable unsaturated group-containing resin (A) has a printing ink that has a solution viscosity in the range of 0.5 to 30 Pa ⁇ s in a solution with a nonvolatile content of 80% by mass when dissolved in butyl acetate.
- the viscosity can be easily adjusted, and it is preferable from the viewpoint of excellent misting resistance and roll transferability when used as a printing ink, and those having a range of 1.0 to 10.0 Pa ⁇ s are particularly effective. It is preferable from the point which becomes remarkable.
- examples of the polymerization initiator (B) used in the present invention include an intramolecular cleavage type photopolymerization initiator and a hydrogen abstraction type photopolymerization initiator.
- examples of the intramolecular cleavage type photopolymerization initiator include diethoxyacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, benzyldimethyl ketal, 1- (4-isopropylphenyl) -2-hydroxy.
- examples of the hydrogen abstraction type photopolymerization initiator include benzophenone, methyl 4-phenylbenzophenone o-benzoylbenzoate, 4,4′-dichlorobenzophenone, hydroxybenzophenone, 4-benzoyl-4′-methyl-diphenyl sulfide.
- Benzophenone compounds such as acrylated benzophenone, 3,3 ′, 4,4′-tetra (t-butylperoxycarbonyl) benzophenone, 3,3′-dimethyl-4-methoxybenzophenone; 2-isopropylthioxanthone, 2,4 Thioxanthone compounds such as dimethylthioxanthone, 2,4-diethylthioxanthone, and 2,4-dichlorothioxanthone; amino such as 4,4′-bisdimethylaminobenzophenone and 4,4′-bisdiethylaminobenzophenone Benzophenone-based compounds; Other 10-butyl-2-chloro acridone, 2-ethyl anthraquinone, 9,10-phenanthrenequinone, camphorquinone, and the like.
- photopolymerization initiators can be used alone or in combination of two or more.
- aminoalkylphenone compounds are particularly preferred from the viewpoint of excellent curability, and particularly when a UV-LED light source that generates ultraviolet rays having an emission peak wavelength in the range of 350 to 420 nm is used as an active energy ray source.
- the amount of these polymerization initiators (B) used may be in the range of 1 to 20 parts by mass as the total amount used with respect to 100 parts by mass of the nonvolatile components in the active energy ray-curable composition of the present invention. preferable. That is, when the total amount of the polymerization initiator (B) used is 1 part by mass or more, good curability can be obtained, and when it is 20 parts by mass or less, the unreacted polymerization initiator (B) is cured. Problems such as migration, deterioration of physical properties such as solvent resistance and weather resistance due to remaining in the material can be avoided. From the point that these performance balances become better, in particular, in the range where the total amount used is 3 to 15 parts by mass with respect to 100 parts by mass of the nonvolatile components in the active energy ray-curable composition of the present invention. More preferably.
- photosensitizers include, for example, amine compounds such as aliphatic amines, ureas such as o-tolylthiourea, sulfur compounds such as sodium diethyldithiophosphate, s-benzylisothiouronium-p-toluenesulfonate, and the like. It is done.
- photosensitizers are used in an amount of 1 to 1 in terms of the total amount used with respect to 100 parts by mass of the non-volatile component in the active energy ray-curable composition of the present invention, since the effect of improving curability is good.
- the range is preferably 20 parts by mass.
- the active energy ray-curable composition of the present invention comprises the polymerizable unsaturated group-containing resin (A) and the polymerization initiator (B) described in detail above as essential components.
- a radically polymerizable monomer (C) can be used in combination.
- Such radically polymerizable monomers (C) include, for example, N-vinylcaprolactam, N-vinylpyrrolidone, N-vinylcarbazole, vinylpyridine, N, N-dimethyl (meth) acrylamide, acrylamide, acryloylmorpholine, 7- Amino-3,7-dimethyloctyl (meth) acrylate, isobutoxymethyl (meth) acrylamide, t-octyl (meth) acrylamide, diacetone (meth) acrylamide, dimethylaminoethyl (meth) acrylate, diethylaminoethyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, ethyldiethylene glycol (meth) acrylate, lauryl (meth) acrylate, dicyclopentadienyl (meth) acrylate, dicyclopentenyloxyethyl
- polysiloxane bond-containing monomers represented by general formulas such as: ⁇ - (meth) acryloxypropyltrimethoxysilane, ⁇ - (meth) acryloxypropyltriethoxysilane, ⁇ - (meth) Acryloxypropylmethyldimethoxysilane, ⁇ - (meth) acryloxypropylmethyldiethoxysilane, ⁇ - (meth) acryloyloxypropyltriisopropenyloxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, vinyl (Tris- ⁇ - Methoxyethoxy) silane, vinyltriacetoxysilane, vinyltrichlorosilane or N- ⁇ - (N-vinylbenzylaminoethyl) - ⁇ -aminopropyltrimethoxysilane and its hydrochloride; 2-hydroxyethyl (meth) acrylate, 2- Hydroxypropyl (Met
- penta (meth) acrylate of dipentaerythritol penta (meth) acrylate of alkylene oxide-added dipentaerythritol, hexa (meth) acrylate of dipentaerythritol, or Hexa (meth) acrylate of alkylene oxide-added dipentaerythritol is preferred.
- the active energy ray-curable composition of the present invention is particularly useful as an active energy ray-curable printing ink.
- pigments, dyes, extender pigments, organic or inorganic fillers Use additives such as organic solvents, antistatic agents, antifoaming agents, viscosity modifiers, light stabilizers, weathering stabilizers, heat stabilizers, UV absorbers, antioxidants, leveling agents, pigment dispersants, waxes, etc. can do.
- the active energy ray-curable composition of the present invention and the active energy ray-curable printing ink can be formed into a cured coating film by irradiating active energy rays after printing on a substrate.
- the active energy rays include ionizing radiation such as ultraviolet rays, electron beams, ⁇ rays, ⁇ rays, and ⁇ rays.
- ultraviolet rays are particularly preferable from the viewpoint of curability.
- the active energy ray for curing the active energy ray-curable composition of the present invention is an ionizing radiation such as an ultraviolet ray, an electron beam, an ⁇ ray, a ⁇ ray, and a ⁇ ray.
- an ionizing radiation such as an ultraviolet ray, an electron beam, an ⁇ ray, a ⁇ ray, and a ⁇ ray.
- a curing device for example, germicidal lamp, ultraviolet fluorescent lamp, UV-LED, carbon arc, xenon lamp, high pressure mercury lamp for copying, medium or high pressure mercury lamp, ultrahigh pressure mercury lamp, electrodeless lamp, metal halide lamp, natural light, etc.
- an electron beam using a scanning type or curtain type electron beam accelerator for example, germicidal lamp, ultraviolet fluorescent lamp, UV-LED, carbon arc, xenon lamp, high pressure mercury lamp for copying, medium or high pressure mercury lamp, ultrahigh pressure mercury lamp, electrodeless lamp, metal halide lamp, natural light, etc.
- Examples of the pigment used for the active energy ray-curable printing ink of the present invention include publicly known organic pigments for coloring.
- Organic pigments for printing inks published in the first edition
- soluble azo pigments insoluble azo pigments, condensed azo pigments, metal phthalocyanine pigments, metal-free phthalocyanine pigments, quinacridone pigments, perylene pigments, perinone pigments, isoindolinones Pigments, isoindoline pigments, dioxazine pigments, thioindigo pigments, anthraquinone pigments, quinophthalone pigments, metal complex pigments, diketopyrrolopyrrole pigments, carbon black pigments, and other polycyclic pigments can be used.
- inorganic fine particles may be used as extender pigments.
- inorganic coloring pigments such as titanium oxide, kraftite, zinc white; lime carbonate powder, precipitated calcium carbonate, gypsum, clay (ChinaClay), silica powder, diatomaceous earth, talc, kaolin, alumina white, barium sulfate
- examples include inorganic extender pigments such as aluminum stearate, magnesium carbonate, barite powder, and abrasive powder; inorganic pigments such as wrinkles, silicone, and glass beads.
- Base materials Films used for various food packaging materials such as polypropylene film and polyethylene terephthalate (PET) film, aluminum foil, synthetic paper, and other various base materials conventionally used as printing base materials.
- examples of the printing method of the active energy ray-curable printing ink of the present invention include lithographic offset printing, relief printing, gravure printing, gravure offset printing, flexographic printing, and screen printing.
- the present invention can be suitably used particularly in lithographic offset printing in which water is continuously supplied to the plate surface in terms of improving the emulsification characteristics of the ink.
- Offset printers that supply water continuously are manufactured and sold by a large number of printer manufacturers. Examples include Heidelberg, Komori Corporation, Mitsubishi Heavy Industries Printing Paper Machinery, Man Roland, Ryobi, and KBA.
- the present invention can be suitably used in any sheet feeding system, such as a sheet-fed offset printing machine using a sheet form printing paper, an offset rotary printing machine using a reel form printing paper. More specifically, offset printing machines such as Heidelberg's Speedmaster series, Komori Corporation's Lithrone series, and Mitsubishi Heavy Industries Printing Paper Machine Co., Ltd.'s Diamond series can be mentioned.
- the molar ratio of each functional group was calculated from the peak area ratio of the 13 C-NMR chart of the added Michael addition structure and the remaining ratio of carbon atoms indicated by * in the remaining epoxy group, and the percentages were evaluated. I did it.
- the chemical shift of each carbon atom represented by A to G in the following structural formulas (1) to (7) is as follows when the peak of DMSO-d6 as the measurement solvent is 39.5 ppm: Become.
- the peak of the carbon atom (shown by B) marked with * in the ⁇ addition structure of the following structural formula (1) is the * of the structural site present in the resin structure shown in the following structural formula (6). Since it overlaps with the carbon atom marked (marked with B), the existence ratio of the ⁇ -added structure is a value obtained by subtracting the peak area of the carbon atom represented by A in the following structural formula (6) from the peak area of B Was used.
- Example 1 A liquid bisphenol A type epoxy resin (“EPICLON 850, epoxy equivalent 188 g / eq .; hereinafter referred to as“ liquid BPA type epoxy resin ”manufactured by DIC Corporation) is placed in a four-necked flask equipped with a stirrer, a thermometer, and a cooling tube. .) 435.1 parts by mass, 163.6 parts by mass of acrylic acid, and methoquinone (polymerization inhibitor; hereinafter abbreviated as “MQ”) 0.1 parts by mass, heated to 100 ° C., and then triethylamine (Catalyst; hereinafter abbreviated as “TEA”) 1.2 parts by mass were added.
- MQ methoquinone
- a polymerizable unsaturated group-containing resin (1) having an acid value of 0.4 mgKOH / g and a solution viscosity (80 mass solution of butyl acetate in a nonvolatile content) of 1.8 Pa ⁇ s was obtained.
- Table 1 shows the abundance of each terminal structure site based on 13 C-NMR measurement of the obtained polymerizable unsaturated group-containing resin (1).
- Example 2 A liquid bisphenol A type epoxy resin (“EPICLON 850, epoxy equivalent 188 g / eq .; hereinafter referred to as“ liquid BPA type epoxy resin ”manufactured by DIC Corporation) is placed in a four-necked flask equipped with a stirrer, a thermometer, and a cooling tube. .) 435.1 parts by mass, 163.6 parts by mass of acrylic acid, and methoquinone (polymerization inhibitor; hereinafter abbreviated as “MQ”) 0.1 part by mass were charged to 100 ° C. 1.2 parts by mass of methylammonium chloride (catalyst; hereinafter abbreviated as “TMAC”) was added.
- EPICLON 850 epoxy equivalent 188 g / eq .
- MQ methoquinone
- TMAC methylammonium chloride
- the epoxy equivalent is 14,000 g / eq.
- a polymerizable unsaturated group-containing resin (2) having an acid value of 0.8 mg KOH / g and a solution viscosity (80 mass solution of butyl acetate in a nonvolatile content) of 1.3 Pa ⁇ s was obtained.
- Table 1 shows the abundance ratio of each terminal structure site based on the measurement of 13 C-NMR of the obtained polymerizable unsaturated group-containing resin (2).
- Example 3 A liquid bisphenol A type epoxy resin (“EPICLON 850, epoxy equivalent 188 g / eq .; hereinafter referred to as“ liquid BPA type epoxy resin ”manufactured by DIC Corporation) is placed in a four-necked flask equipped with a stirrer, a thermometer, and a cooling tube.
- EPICLON 850 epoxy equivalent 188 g / eq .
- liquid BPA type epoxy resin manufactured by DIC Corporation
- a polymerizable unsaturated group-containing resin (3) having an acid value of 0.3 mg KOH / g and a solution viscosity (80 mass solution of butyl acetate in a nonvolatile content) of 1.4 Pa ⁇ s was obtained.
- Table 1 shows the proportion of each terminal structure site based on the measurement of 13 C-NMR of the obtained polymerizable unsaturated group-containing resin (3).
- Example 4 A phenol novolac type epoxy resin (“EPICLON N-660, epoxide equivalent 210 g / eq. Manufactured by DIC Corporation; hereinafter abbreviated as“ PN type epoxy resin ”) is placed in a four-necked flask equipped with a stirrer, a thermometer and a condenser. 448.4 parts by mass, 150.9 parts by mass of acrylic acid, and methoquinone (polymerization inhibitor; hereinafter abbreviated as “MQ”) 0.1 part by mass were charged and heated to 100 ° C. Triethylamine (catalyst; hereinafter abbreviated as “TEA”. 0.6 parts by mass was added.
- TEA Triethylamine
- the epoxy equivalent was 18,000 g / eq.
- the acid value was 0.4 mgKOH / g
- a polymerizable unsaturated group-containing resin (4) having a solution viscosity (80 mass solution of butyl acetate non-volatile content) of 14.5 Pa ⁇ s was obtained.
- the proportion of the terminal structure portion based a 13 C-NMR to measure are shown in Table 1.
- Comparative Example 1 Liquid bisphenol A type epoxy resin (“EPICLON 850, epoxy equivalent 188 g / eq. Manufactured by DIC Corporation; hereinafter, abbreviated as“ liquid BPA type epoxy resin ”). 435.1 parts by mass, acrylic acid 163.6 parts by mass, and methoquinone (polymerization inhibitor; hereinafter abbreviated as “MQ”) 0.1 part by mass were charged and heated to 100 ° C. 1.2 parts by mass of triphenylphosphine (catalyst; hereinafter abbreviated as “TPP”) was added. By carrying out the reaction at 100 ° C. for 15 hours, the epoxy equivalent is 20,000 g / eq.
- MQ methoquinone
- TPP triphenylphosphine
- a polymerizable unsaturated group-containing resin (R1) having an acid value of 0.5 mgKOH / g and a solution viscosity (80 mass solution of butyl acetate in a nonvolatile content) of 1.8 Pa ⁇ s was obtained.
- Table 2 shows the abundance ratio of each terminal structure site based on 13 C-NMR measurement of the obtained polymerizable unsaturated group-containing resin (R1).
- Liquid bisphenol A type epoxy resin (“EPICLON 850, epoxy equivalent 188 g / eq. Manufactured by DIC Corporation; hereinafter, abbreviated as“ liquid BPA type epoxy resin ”). 435.1 parts by mass, 163.6 parts by mass of acrylic acid, and methoquinone (polymerization inhibitor; hereinafter abbreviated as “MQ”) 0.1 part by mass were charged and heated to 130 ° C. 1.2 parts by mass of triethylamine (catalyst; hereinafter abbreviated as “TEA”) was added. By performing the reaction at 130 ° C. for 15 hours, the epoxy equivalent was 25,000 g / eq.
- MQ methoquinone
- TEA triethylamine
- a polymerizable unsaturated group-containing resin (R2) having an acid value of 0.2 mgKOH / g and a solution viscosity (butyl acetate non-volatile content 80 mass solution) 2.0 Pa ⁇ s was obtained.
- Table 2 shows the abundance ratio of each terminal structure site based on 13 C-NMR measurement of the obtained polymerizable unsaturated group-containing resin (R2).
- Comparative Example 3 A liquid bisphenol A type epoxy resin (“EPICLON 850, epoxy equivalent 188 g / eq .; hereinafter referred to as“ liquid BPA type epoxy resin ”manufactured by DIC Corporation) is placed in a four-necked flask equipped with a stirrer, a thermometer, and a cooling tube. .) 435.1 parts by mass, 163.6 parts by mass of acrylic acid, and methoquinone (polymerization inhibitor; hereinafter abbreviated as “MQ”) 0.1 parts by mass, heated to 100 ° C., and then triethylamine (Catalyst; hereinafter abbreviated as “TEA”) 6.0 parts by mass were added.
- EPA liquid bisphenol A type epoxy resin
- the epoxy equivalent is 20,000 g / eq.
- Table 2 shows the proportion of each terminal structure site based on 13 C-NMR measurement of the obtained polymerizable unsaturated group-containing resin (R3).
- the ductette testing machine has a structure in which the outer cylinder 3 is rotated by the outer cylinder drive motor 5, the inner cylinder 2 is rotated by the inner cylinder drive motor 1, and the temperature of the binder 7 inside the outer cylinder 3 is constant.
- the temperature of the tap water 6 is always maintained at 30 degreeC so that the constant temperature water tank 4 may be provided.
- the weight (gram) of excess distilled water (remaining water not taken into the binder) in the inner cylinder 2 is weighed.
- the total weight Y of distilled water taken into the binder 7 is
- the emulsification suitability was evaluated according to the following criteria. 3: The emulsification rate Z (%) is less than 25%, and the emulsification suitability is good. 2: The emulsification rate Z (%) is 25% or more and less than 35%, and the emulsification suitability is moderate. 1: The emulsification rate Z (%) is 35% or more, and the emulsification suitability is poor.
- the RI tester is a test machine that develops ink on paper or film, and can adjust the amount of ink transferred and the printing pressure.
- UV irradiation device equipped with a water-cooled metal halide lamp (output: 100 W / cm1 light) and a belt conveyor (made by Eye Graphics Co., Ltd., with a cold mirror), the color-exposed product is placed on the conveyor and directly under the lamp (irradiation distance: 11 cm) Were passed under the predetermined conditions described below.
- the amount of ultraviolet irradiation under each condition was measured using an ultraviolet integrated light quantity system (UNIMETER UIT-150-A / receiver UVD-C365 manufactured by USHIO INC.).
- the printability of the active energy ray-curable ink was evaluated according to the following criteria. 3: The indigo density of the printed matter is 1.5 or more 2: The indigo density of the printed matter is 1.4 or more to less than 1.5 1: The indigo density of the printed matter is less than 1.4
- Inner cylinder drive motor 2 Inner cylinder 3: Outer cylinder 4: Constant temperature water tank 5: Outer cylinder drive motor 6: Tap water 7: Evaluation binder
Abstract
Description
で表される各種の末端構造である。
本発明では、13C-NMRにて測定可能な末端構造の総数のうち、前記構造式(v)で表されるα-グリコール構造部位の含有率が5モル%以下となる割合に調整することにより、該重合性不飽和基含有樹脂を用いた印刷インキにおける硬化性が良好であると共に、優れた乳化特性が発現されるものである。特に、前記含有率が3モル%以下であると、印刷インキとして用い、オフセット印刷を行った場合、印刷特性に特に優れたものとなる点から好ましい。
[機種]日本電子製「JNM-ECA500」
[測定条件]
試料濃度:30%(w/v)
測定溶媒:DMSO-d6
積算回数:4000回
実施例1~4及び比較例1~3にて製造した重合性不飽和基含有樹脂(1)~(4)及び(R1)~(R3)のグリコール末端基量を、13C-NMRにて分析した。
具体的には、各重合性不飽和基含有樹脂の末端構造である、下記構造式で示されるα付加構造、β付加構造、αβ付加構造、αグリコール、前記α付加構造に更にアクリル酸がマイケル付加したマイケル付加構造、及び残存エポキシ基の他の*印で示した炭素原子の存在比率を13C-NMRチャートのピーク面積比から各官能基のモル比を算出、これらの百分率にて評価を行なった。
なお、ここで下記構造式(1)~(7)におけるA~Gで示した各炭素原子の化学シフトは、測定溶媒であるDMSO-d6のピークを39.5ppmとした場合に以下の通りとなる。
Aで示した炭素原子の化学シフト:71.1ppm
Bで示した炭素原子の化学シフト:65.6ppm
Cで示した炭素原子の化学シフト:63.0ppm
Dで示した炭素原子の化学シフト:62.5ppm
Eで示した炭素原子の化学シフト:59.7ppm
Fで示した炭素原子の化学シフト:60.0ppm
Gで示した炭素原子の化学シフト:43.9ppm
また、下記構造式(1)のα付加構造の*印を付した炭素原子(Bで示したもの)のピークは、下記構造式(6)に示した樹脂構造中に存在する構造部位の*印の炭素原子(Bで示したもの)と重なる為、α付加構造の存在割合は、Bのピーク面積から、下記構造式(6)中のAで示した炭素原子のピーク面積を差し引いた値を用いた。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、液状ビスフェノールA型エポキシ樹脂(DIC株式会社製「EPICLON850、エポキシ当量188g/eq.;以下、「液状BPA型エポキシ樹脂」と略記する。)435.1質量部、アクリル酸163.6質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、100℃に昇温した後、トリエチルアミン(触媒;以下、「TEA」と略記する。)1.2質量部を加えた。100℃で15時間反応を行い、エポキシ当量が18,000g/eq.、酸価が0.4mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)1.8Pa・sである重合性不飽和基含有樹脂(1)を得た。得られた重合性不飽和基含有樹脂(1)の13C-NMRを測定に基づく各末端構造部位の存在割合を表1に示した。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、液状ビスフェノールA型エポキシ樹脂(DIC株式会社製「EPICLON850、エポキシ当量188g/eq.;以下、「液状BPA型エポキシ樹脂」と略記する。)435.1質量部、アクリル酸163.6質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、100℃に昇温した後、テトラメチルアンモニウムクロライド(触媒;以下、「TMAC」と略記する。)1.2質量部を加えた。100℃で15時間反応を行うことで、エポキシ当量が14,000g/eq.、酸価が0.8mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)1.3Pa・sである重合性不飽和基含有樹脂(2)を得た。得られた重合性不飽和基含有樹脂(2)の13C-NMRを測定に基づく各末端構造部位の存在割合を表1に示した。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、液状ビスフェノールA型エポキシ樹脂(DIC株式会社製「EPICLON850、エポキシ当量188g/eq.;以下、「液状BPA型エポキシ樹脂」と略記する。)435.1質量部、アクリル酸163.6質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、100℃に昇温した後、2-エチル-4-メチルイミダゾール(触媒;以下、「2E4MZ」と略記する。)1.2質量部を加えた。100℃で15時間反応を行うことで、エポキシ当量が24,000g/eq.、酸価が0.3mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)1.4Pa・sであるである重合性不飽和基含有樹脂(3)を得た。得られた重合性不飽和基含有樹脂(3)の13C-NMRを測定に基づく各末端構造部位の存在割合を表1に示した。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、フェノールノボラック型エポキシ樹脂(DIC株式会社製「EPICLON N-660、エポキシ当量210g/eq.;以下、「PN型エポキシ樹脂」と略記する。)448.4質量部、アクリル酸150.9質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、100℃に昇温した後、トリエチルアミン(触媒;以下、「TEA」と略記する。0.6質量部を加えた。100℃で15時間反応を行うことで、エポキシ当量が18,000g/eq.、酸価が0.4mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)14.5Pa・sであるである重合性不飽和基含有樹脂(4)を得た。得られた重合性不飽和基含有樹脂(4)の13C-NMRを測定に基づく各末端構造部位の存在割合を表1に示した。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、液状ビスフェノールA型エポキシ樹脂(DIC株式会社製「EPICLON 850、エポキシ当量188g/eq.;以下、「液状BPA型エポキシ樹脂」と略記する。)435.1質量部、アクリル酸163.6質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、100℃に昇温した後、トリフェニルホスフィン(触媒;以下、「TPP」と略記する。)1.2質量部を加えた。100℃で15時間反応を行うことで、エポキシ当量が20,000g/eq.であり、酸価が0.5mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)1.8Pa・sであるである重合性不飽和基含有樹脂(R1)を得た。得られた重合性不飽和基含有樹脂(R1)の13C-NMRを測定に基づく各末端構造部位の存在割合を表2に示した。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、液状ビスフェノールA型エポキシ樹脂(DIC株式会社製「EPICLON 850、エポキシ当量188g/eq.;以下、「液状BPA型エポキシ樹脂」と略記する。)435.1質量部、アクリル酸163.6質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、130℃に昇温した後、トリエチルアミン(触媒;以下、「TEA」と略記する。)1.2質量部を加えた。130℃で15時間反応を行うことで、エポキシ当量が25,000g/eq.であり、酸価が0.2mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)2.0Pa・sである重合性不飽和基含有樹脂(R2)を得た。得られた重合性不飽和基含有樹脂(R2)の13C-NMRを測定に基づく各末端構造部位の存在割合を表2に示した。
攪拌機、温度計及び冷却管を備えた4つ口のフラスコに、液状ビスフェノールA型エポキシ樹脂(DIC株式会社製「EPICLON850、エポキシ当量188g/eq.;以下、「液状BPA型エポキシ樹脂」と略記する。)435.1質量部、アクリル酸163.6質量部、及びメトキノン(重合禁止剤;以下、「MQ」と略記する。)0.1質量部を仕込み、100℃に昇温した後、トリエチルアミン(触媒;以下、「TEA」と略記する。)6.0質量部を加えた。100℃で15時間反応を行うことで、エポキシ当量が20,000g/eq.であり、酸価が0.2mgKOH/g、溶液粘度(酢酸ブチル不揮発分80質量溶液)1.2Pa・sである重合性不飽和基含有樹脂(R3)を得た。得られた重合性不飽和基含有樹脂(R3)の13C-NMRを測定に基づく各末端構造部位の存在割合を表2に示した。
本発明における乳化適性向上の効果をより明確に示す目的で、上記重合性不飽和基含有樹脂(1)~(4)および(R1)~(R3)各々83質量部に活性エネルギー線重合性アクリレートモノマーとしてエチレンオキサイド変性ペンタエリスリトールテトラアクリレート(サートマー社製「SR494」)17質量部を添加し混合することにより、乳化適性評価用の活性エネルギー線硬化性バインダー(T1)~(T4)および(TR1)~(TR3)を得た。
調整した活性エネルギー線硬化性バインダー(T1)~(T4)および(TR1)~(TR3)の乳化適性評価は、ダクテット試験機(川村理研製)を用いて実施した。
ダクテット試験機の断面図を図1に示す。外筒3は内部がくりぬかれた、底面を有する円筒状の金属であり、内部に評価バインダー7を投入できる構造となっている。バインダー7(5グラム)投入後に円柱棒状の金属である内筒2を図1に示す通り、外筒3の底面から1ミリメートルの距離に近接するまで差し込む。その後内筒を2000rpmで時計回りに、外筒も60rpmで時計回りに回転させ、速度差をつけることでバインダー7にシェアーがかかり撹拌される。撹拌後3分間が経過した時点で、撹拌を継続しながら蒸留水を0.5(グラム/分)の速度でバインダー7の直上に滴下することで、バインダー7と滴下された蒸留水は即時に撹拌混合される(乳化)。蒸留水の滴下は10分間継続され、蒸留水の滴下量が合計5グラムに達した時点で終了される。
ダクテット試験機は、外筒3は外筒用駆動モーター5によって回転し、内筒2は内筒用駆動モーター1によって回転する構造を有し、また外筒3内部のバインダー7の温度が一定となるよう、恒温水槽4を備え水道水6の温度は常に30℃に保たれている。
バインダー7(5グラム)と蒸留水(5グラム)の撹拌混合が終了した後、内筒2内部にある余剰蒸留水(バインダー中に取り込まれずに余った水)の重量(グラム)を秤量する。これにより、バインダー7中に取り込まれた蒸留水の総重量Yは
で示され、バインダー7の乳化率Zは、
で示される。
(ここで、例えば、投入した蒸留水5グラム全てがバインダー中に取り込まれ、余剰蒸留水が0グラムであった場合には、Y=5(グラム)、Z=50(%)と計算される。)
3:乳化率Z(%)が25%未満であり、乳化適性は良好である。
2:乳化率Z(%)が25%以上~35%未満であり、乳化適性は中位である。
1:乳化率Z(%)が35%以上であり、乳化適性が劣っている。
上記の実施例1で得られた重合性不飽和基含有樹脂(1)34.5質量部、青色顔料(BASF社製「HELIOGEN BLUE D7079」、Pigment Blue15:3)19質量部、活性エネルギー線硬化性アクリレートモノマーとしてジペンタエリスリトールヘキサアクリレート(サートマー社製「DPHA」)10質量部、およびジトリメチロールプロパンテトラアクリレート(サートマー社製「SR355NS」)21.95質量部、およびトリメチロールプロパントリアクリレート(MIWON社製「MIRAMER M-300」)5質量部、体質顔料として、(松村産業社製「イフィラー #5000PJ」含水ケイ酸マグネシウム)2質量部および塩基性炭酸マグネシウム(ナイカイ塩業社製「炭酸マグネシウムTT」)0.5質量部、ワックスとして(シャムロック社製「S-381-N1」ポリオレフィンワックス)1質量部、光重合開始剤として(BASF社製「Irgacure907」2-メチル-1-[4-(メチルチオ)フェニル]-2-モノフォリノプロパン-1-オン)3.5質量部、光開始剤として(大同化成工業社製「EAB―SS」4,4’-ビス(ジエチルアミノ)ベンゾフェノン)2.5質量部、重合禁止剤として(和光純薬社製「Q1301」N-ニトロソフェニルヒドロキシルアミンアルミニウム)0.05質量部、全ての原料(合計100質量部)を配合した状態でミキサー(単軸ディゾルバー)を用いて撹拌し、その後3本ロールミルを用いて練肉することで活性エネルギー線硬化性インキ(I1)を得た。
以下、同様にしてその他の重合性不飽和基含有樹脂(2)~(4)および(R1)~(R3)についても、同一質量部の上記原料を用い、同様に製造することで活性エネルギー線硬化性インキ(I2)~(I4)およびを(IR1)~(IR3)得た。
この様にして得た活性エネルギー線硬化性インキ(I1)~(I4)およびを(IR1)~(IR4)を、簡易展色機(RIテスター、豊栄精工社製)を用い、インキ0.10mlを使用して、RIテスターのゴムロール及び金属ロール上に均一に引き伸ばし、コート紙(王子製紙社製「OKトップコートプラス57.5kg、A判」)の表面に、およそ200cm2の面積にわたって藍濃度1.6(X-Rite社製SpectroEye濃度計で計測)で均一に塗布されるように展色し、展色物を作製した。なおRIテスターとは、紙やフィルムにインキを展色する試験機であり、インキの転移量や印圧を調整することが可能である。
インキ塗布後の展色物に紫外線(UV)照射を行い、インキ皮膜を硬化させた。水冷メタルハライドランプ(出力100W/cm1灯)およびベルトコンベアを搭載したUV照射装置(アイグラフィックス社製、コールドミラー付属)を使用し、展色物をコンベア上に載せ、ランプ直下(照射距離11cm)を以下に述べる所定条件で通過させた。各条件における紫外線照射量は紫外線積算光量系(ウシオ電機社製UNIMETER UIT-150-A/受光機UVD-C365)を用いて測定した。
硬化性は、照射直後に爪スクラッチ法にて展色物表面の傷付きの有無を確認した。前記UV照射装置のコンベア速度(m/分)を変化させながら展色物に紫外線を照射し、硬化後に爪で強く擦っても傷付きが無い最速のコンベア速度(m/分)を記載した。従ってコンベア速度の数値が大きいほどインキの硬化性が良好である。
耐溶剤性は、照射直後に溶剤ラビング法にて印刷物表面の傷付きの有無を確認した。前記UV照射装置のコンベア速度50(m/分)にて展色物に紫外線を照射し、インキを硬化させた。硬化後にエタノールを含ませた綿棒で、評価用インキ硬化塗膜の表面を30往復擦った後の状態変化を目視で観察して、下記の基準に従って耐溶剤性を評価した。
3:変化なし
2:擦れ痕が残る
1:インキ硬化塗膜が消失し、基材(用紙)が確認できる
製造された活性エネルギー線硬化性インキ(I1)~(I4)および(IR1)~(IR3)について、オフセット印刷適性を評価した。紫外線照射装置としてアイグラフィックス社製水冷メタルハライドランプ(出力160W/cm、3灯使用)を搭載したマンローランド社製オフセット印刷機(ローランドR700印刷機、幅40インチ機)を用いて、毎時9000枚の印刷速度にてオフセット印刷を実施した。印刷用紙には王子製紙社製OKトップコートプラス(57.5kg、A判)を使用した。版面に供給される湿し水は、水道水98質量部とエッチ液(FST-700、DIC社製)2質量部を混合した水溶液を用いた。
オフセットインキ印刷適性の評価方法としては、まず印刷機の水供給ダイヤルを40(標準水量)にセットし、印刷物濃度が標準プロセス藍濃度1.6(X-Rite社製SpectroEye濃度計で計測)となるようインキ供給キーを操作し、濃度が安定した時点でインキ供給キーを固定した。
その後インキ供給キーを固定したままの条件で、水供給ダイヤルを40から55に変更し水供給量を増やした条件で300枚印刷し、300枚後の印刷物の藍濃度を測定した。水供給量を増やした状態においても印刷物の濃度低下が少ないほど、乳化適性に優れ、印刷適性に優れたインキと評価できる。下記の基準に従って活性エネルギー線硬化性インキの印刷適性を評価した。
3:印刷物の藍濃度が1.5以上である
2:印刷物の藍濃度が1.4以上~1.5未満である
1:印刷物の藍濃度が1.4未満である
2:内筒
3:外筒
4:恒温水槽
5:外筒用駆動モーター
6:水道水
7:評価バインダー
Claims (7)
- エポキシ樹脂と、重合性不飽和基を有するモノカルボン酸とを反応させて得られる重合性不飽和基含有樹脂であって、前記エポキシ樹脂中のグリシジルオキシ基に起因又は由来する末端構造部位の総数に対する、α-グリコール基の割合が13C-NMR測定結果で5モル%以下となる割合である重合性不飽和基含有樹脂(A)、及び重合開始剤(B)を必須成分とすることを特徴とする活性エネルギー線硬化性組成物。
- 前記エポキシ樹脂(A)中のグリシジルオキシ基に起因又は由来する末端構造部位が、下記構造式(i)~(vi)
から成る群から選択されるものである請求項1記載の活性エネルギー線硬化性組成物。 - エポキシ樹脂(A)が、ビスフェノール型エポキシ樹脂である請求項1記載の活性エネルギー線硬化性組成物。
- 前記重合性不飽和基を有するカルボン酸が、(メタ)アクリル酸である請求項1記載の活性エネルギー線硬化性組成物。
- 請求項1~4の何れか1つに記載の活性エネルギー線硬化性組成物を含有することを特徴とする活性エネルギー線硬化性印刷インキ。
- 請求項5記載の活性エネルギー線硬化性印刷インキがオフセット印刷インキである活性エネルギー線硬化性印刷インキ。
- 請求項5記載の活性エネルギー線硬化性印刷インキを印刷してなる印刷物。
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JP6996284B2 (ja) * | 2016-12-28 | 2022-01-17 | 荒川化学工業株式会社 | 樹脂及びその製造方法、活性エネルギー線硬化型樹脂組成物、硬化物、活性エネルギー線硬化型印刷インキ、並びに印刷物 |
CN108485371A (zh) * | 2018-04-17 | 2018-09-04 | 广州市恒远彩印有限公司 | 纸包装印刷用uv面油及其制备方法 |
CN108587306A (zh) * | 2018-04-17 | 2018-09-28 | 广州市恒远彩印有限公司 | 蓝色紫外光固化胶印油墨及其制备方法 |
CN109082206A (zh) * | 2018-07-24 | 2018-12-25 | 中山易必固新材料科技有限公司 | 一种具有镜面效果的电子束辐射实色涂料及其制备方法 |
JP7376692B2 (ja) * | 2020-03-26 | 2023-11-08 | 富士フイルム株式会社 | 活性エネルギー線硬化型インク及び画像記録方法 |
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