WO2006134766A1 - Encre flexographique durcissable aux radiations d’énergie active et encre hélio durcissable aux radiations d’énergie active - Google Patents

Encre flexographique durcissable aux radiations d’énergie active et encre hélio durcissable aux radiations d’énergie active Download PDF

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Publication number
WO2006134766A1
WO2006134766A1 PCT/JP2006/310624 JP2006310624W WO2006134766A1 WO 2006134766 A1 WO2006134766 A1 WO 2006134766A1 JP 2006310624 W JP2006310624 W JP 2006310624W WO 2006134766 A1 WO2006134766 A1 WO 2006134766A1
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Prior art keywords
active energy
group
energy ray
ink
curable
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PCT/JP2006/310624
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English (en)
Japanese (ja)
Inventor
Wataru Ishikawa
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Konica Minolta Medical & Graphic, Inc.
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Priority to JP2007521235A priority Critical patent/JPWO2006134766A1/ja
Publication of WO2006134766A1 publication Critical patent/WO2006134766A1/fr

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Classifications

    • 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to an active energy ray-curable flexographic ink and an active energy one-line curable gravure ink containing a photoacid generator.
  • Aromatic solvents such as toluene in gravure inks are excellent solvents as ink solvents, but they evaporate during printing and drying after printing. It has been pointed out that there is a fear of adversely affecting the ecosystem! Regarding such solvent evaporation, although the printing factory has large-scale facilities that prevent solvent vapor from diffusing into the atmosphere, it is not possible to completely prevent vapor diffusion into the atmosphere. In addition, although measures have been taken for workers 'hygiene within the printing factory, it cannot be said that the workers' hygiene issues have been sufficiently solved.
  • flexographic printing is easy to make using rubber or plastic as a plate material.
  • the cost required for printing is low, it is applied to printing using a wide range of materials from permeable raw materials such as paper to non-permeable raw materials such as plastic films.
  • solvent-type flexographic inks using varnish in which rosin is dissolved in a solvent have been mainly used.
  • active energy ray-curing type inks that do not contain solvents are used.
  • the use of flexographic ink which also has a fat composition, is increasing.
  • an active energy ray-curable resin composition a mixture comprising various acrylates and metaacrylates and a precursor such as urethane acrylate and polyester acrylate has been used (for example, Patent Document 6). See also.) 0
  • the ink using the radical polymerizable compound is subjected to an oxygen inhibiting action, and therefore inhibits curing when the amount of ink droplets is small. Easy to wake up.
  • inks using cationic polymerizable compounds can print high-definition images that do not inhibit oxygen even when the amount of ink droplets is small and do not inhibit curing. It is.
  • the initiator used in the ink using the cationically polymerizable compound has a problem that benzene is generated by ultraviolet irradiation.
  • this initiator is thermally unstable, the ink storage stability is poor, and the cured film formed by the ink is more likely to yellow when stored for a long period of time. There is a need for improvement.
  • Patent Document 1 Japanese Patent Laid-Open No. 6-220385
  • Patent Document 2 JP-A-3-213340
  • Patent Document 3 JP-A-3-213341
  • Patent Document 4 Japanese Patent Laid-Open No. 3-215039
  • Patent Document 5 Japanese Patent Laid-Open No. 3-215040
  • Patent Document 6 Japanese Unexamined Patent Publication No. 2003-321636
  • the present invention has been made in view of the above problems, and an object of the present invention is to cure active energy rays that are safe with a low environmental load and excellent in storage stability over a long period of time. It is to provide a type gravure ink and an active energy ray curable flexo ink. Means for solving the problem
  • a sulfone salt power represented by the following general formulas [1] to [4]: comprising an active energy ray-curable composition containing at least one photoacid generator selected Active energy ray curable flexo ink.
  • R to R each represents a hydrogen atom or a substituent, and R to R are simultaneously hydrogen atoms.
  • R to R can not represent a hydrogen atom at the same time R to R can simultaneously represent
  • X represents a non-nucleophilic anion residue.
  • a sulfone salt power represented by the following general formulas [1] to [4], comprising an active energy ray-curable composition containing at least one photoacid generator selected. Active energy ray curable gravure ink.
  • R to R each represents a hydrogen atom or a substituent, and R to R are simultaneously hydrogen atoms.
  • X represents a non-nucleophilic anion residue.
  • an active energy ray curable gravure ink (hereinafter also simply referred to as gravure ink) and an active energy ray curable flexo ink, which have a low environmental burden and are excellent in storage stability over a long period of time. (Hereafter, it is also simply flexographic ink!).
  • At least one photoacid selected from sulfo-sulfate salts represented by the general formulas [1] to [4].
  • the active energy ray-curable composition according to the present invention contains a sulfo- salt represented by the general formulas [1] to [4] as a photoacid generator.
  • Sulfo-um salt is a compound that does not generate benzene by irradiation with active energy rays, and does not substantially generate benzene.
  • the thickness is 15 ⁇ m 'about 100 m 2
  • the amount of benzene generated is less than 5 g. It means that there is very little or nothing.
  • R to R each represents a hydrogen atom or a substituent.
  • R to R cannot simultaneously represent hydrogen atoms.
  • R to R can simultaneously represent hydrogen atoms.
  • R to R represent hydrogen atoms at the same time
  • R to R represent hydrogen atoms at the same time
  • the substituent represented by R to R is preferably a methyl group, an ethyl group, a propyl group,
  • Alkyl groups such as isopropyl group, butyl group, isobutyl group, t-butyl group, pentyl group, hexyl group, alkoxy groups such as methoxy group, ethoxy group, propyl group, butoxy group, hexyloxy group, decyloxy group, dodecyloxy group, Acetoxy group, propionyloxy group, decylcarboxoxy group, dodecylcarboxoxy group, methoxycarbon group, ethoxycarbol group, carboyl group, carboyl group, phenolthio group, fluorine, chlorine, bromine And halogen atoms such as iodine, cyan groups, nitro groups, hydroxy groups and the like.
  • X represents a non-nucleophilic cation residue, for example, a halogen atom such as F, Cl, Br, or I, B
  • R and R are alkyl groups such as methyl group, ethyl group, propyl group and butyl group, respectively.
  • a halogen atom such as fluorine, chlorine, bromine or iodine
  • an alkoxy group such as a nitro group, a cyano group, a methoxy group or an ethoxy group, or an alkyl group or a phenyl group.
  • B (C F) and PF are preferable from the viewpoint of safety.
  • X represents a non-nucleophilic key-on residue, which is the same as described above.
  • the general formulas [1] to [4] according to the present invention are used within a range that does not impair the object effects of the present invention.
  • the sulfo-um salt represented by the formula it is preferable to use an ododonium salt having a substituent on the benzene ring bonded to 1+. Specific compounds of the oddonium salt are shown below.
  • the active energy ray-curable composition according to the present invention it is preferable to use an oxetane compound, a vinyl ether compound or an epoxy compound as the photopolymerizable compound.
  • the oxetane compound used in the present invention is a compound having one or more oxetane rings in the molecule.
  • 3-ethyl-3-hydroxymethyloxetane manufactured by Toa Gosei Co., Ltd .; trade name OXT101, etc.
  • 1,4-bis [(3 ethyl-3-oxeta-l) methoxymethyl] benzene OXT121 etc.
  • 3 ethyl-3 (phenoxymethyl) oxetane OXT211 etc.
  • di (1 ethyl 3 oxetal) methyl ether OXT221 etc.
  • 3 ethyl 3- (2-ethylhexyloxymethyl) oxetane (same as above) OXT212, etc.)
  • 3-ethyl-3-hydroxymethyloxetane 3-ethyl-3-hydroxymethyloxetane
  • the oxetane compound applicable to the present invention is blended in the active energy ray-curable composition in an amount of 30 to 95% by mass, preferably 50 to 80% by mass.
  • the butyl ether compound contained in the active energy ray-curable composition according to the present invention includes, for example, ethylene glycol dibutyl ether, ethylene glycol monobutene ether, diethylene glycol divinino ether, triethylene glycol mono vinyl ether.
  • vinyl ether compounds in consideration of curability, adhesion, and surface hardness, di- or tribyl ether compounds are preferable, and divinyl ether compounds are particularly preferable.
  • one of the above butyl ether compounds may be used alone, or two or more may be used in appropriate combination.
  • the bull etheric compound is an optional compounding component, and can be adjusted to a viscosity required for the active energy linear curable composition by compounding. In addition, the curing rate can be improved.
  • the butyl ether compound is added in an amount of 0 to 40% by mass, preferably 0 to 20% by mass, in the liquid component comprising the oxysilane group-containing compound and the oxetane ring-containing compound.
  • the epoxy compound that can be preferably used in the present invention is an oxysilane ring.
  • Each of the carbons has at least one substituent, and each of the substituents may be bonded to each other to form a ring 1, which is an epoxy compound.
  • a 5- to 7-membered ring is preferable, and a 6-membered ring is more preferable.
  • the most preferred epoxy compound is a compound represented by the following general formula (21), (22) or (23).
  • R 1, R 2 and R 3 each represent a substituent.
  • substituents include, for example,
  • Rogen atom for example, chlorine atom, bromine atom, fluorine atom, etc.
  • C1-C6 alkyl group for example, methyl group, ethyl group, propyl group, isopropyl group, butyl group, etc.
  • C1-C1 6 alkoxy groups for example, methoxy group, ethoxy group, n-propoxy group, iso-propoxy group, n -butoxy group, tert-butoxy group, etc.
  • isyl group for example, acetyl group, propiol group, trifluoro group) Acetyl group, etc.
  • acyloxy group eg, acetooxy group, propionyloxy group, trifluoroacetoxy group, etc.
  • alkoxycarbonyl group examples thereof include a methoxy carbo group, an ethoxy carbo group, a tert butoxy carbo ol group and the like.
  • Preferred as a substituent are
  • mO, ml and m2 each represent 0 to 2, preferably 0 or 1.
  • L is an rO + monovalent chain having 1 to 15 carbon atoms which may contain an oxygen atom or a sulfur atom in the main chain.
  • L is the number of carbon atoms that may contain oxygen or sulfur atoms in the main chain
  • L is oxygen atom or sulfur atom in the main chain
  • Examples of the divalent linking group having 1 to 15 carbon atoms which may contain an oxygen atom or a sulfur atom in the main chain include the following groups and these groups and mono-O groups, S groups, CO groups, CS Examples include groups formed by combining a plurality of groups.
  • trivalent or higher linking groups examples include groups formed by removing hydrogen atoms at any site from the divalent linking groups listed above as much as necessary, as well as —O— groups, —S— groups, and —CO—.
  • Group a group formed by combining a plurality of —CS — groups.
  • L, L, and L may each have a substituent!
  • substituents include, for example,
  • Rogen atom for example, chlorine atom, bromine atom, fluorine atom, etc.
  • C1-C6 alkyl group for example, methyl group, ethyl group, propyl group, isopropyl group, butyl group, etc.
  • C1-C6 Alkoxy groups for example, methoxy group, ethoxy group, n-propoxy group, iso-propoxy group, n -butoxy group, tert-butoxy group, etc.
  • acyl groups for example, acetyl group, propiool group, trifluoro group
  • Roacetyl group, etc. acyloxy group
  • acyloxy group eg, acetooxy group, propio-loxy group, trifluoroacetoxy group, etc.
  • alkoxy carbo yl group eg, methoxy carbo ol group, ethoxy carbo ol group, tert-butoxy
  • the main chain may contain an oxygen atom or a sulfur atom.
  • a divalent linking group having 1 to 5 carbon atoms in which the main chain preferred by the valent linking group is only carbon is more preferred.
  • pl and ql each represents 0 or 1, and pi + ql is preferably 1 or more.
  • p2 and q2 each represents 0 or 1, and 1 is preferred.
  • EP-51 can be mentioned.
  • the amount of these compounds added is preferably less than 80% by mass relative to the active energy ray-curable composition. If it is 80% by mass or more, flexibility tends to deteriorate. More preferably, it is less than 50% by mass.
  • Active energy applied to the curing of the active energy ray-curable composition according to the present invention examples include visible light, ultraviolet light, and electron beam.
  • Preferable light irradiation methods include visible light irradiation and ultraviolet irradiation, and ultraviolet irradiation is particularly preferable.
  • the ultraviolet irradiation amount is within the range of a strong force, the curing reaction can be sufficiently performed, and the colorant can be prevented from fading due to the ultraviolet irradiation, which is advantageous.
  • the ultraviolet irradiation light source include lamps such as metal halide lamps, xenon lamps, carbon arc lamps, chemical lamps, low-pressure mercury lamps, and high-pressure mercury lamps.
  • lamps such as metal halide lamps, xenon lamps, carbon arc lamps, chemical lamps, low-pressure mercury lamps, and high-pressure mercury lamps.
  • a commercially available product such as H lamp, D lamp, or V lamp manufactured by Fusion System can be used.
  • the metal halide lamp has a continuous spectrum as compared with a high-pressure mercury lamp (main wavelength is 365 nm), has a high luminous efficiency in the range of 200 to 450 nm and is rich in a long wavelength region. Therefore, when a pigment is used as in the active energy ray-curable composition of the present invention, a metal halide lamp is suitable.
  • the active energy ray-curable flexographic ink or gravure ink of the present invention contains a pigment as a coloring material.
  • the pigments that can be preferably used in the present invention are listed below.
  • pigment dispersion examples include ball mill, sand mill, attritor, roll mill, agitator, Henschel mixer, colloid mill, ultrasonic homogenizer, pearl mill, wet mill A jet mill, a paint shaker, or the like can be used.
  • the dispersion medium is a photoacid generator. Among them, it is preferable to select a monomer having the lowest viscosity for dispersion suitability.
  • the dispersion of the pigment is preferably such that the average particle size of the pigment particles is 0.08 to 0.5 ⁇ m, and the maximum particle size is 0.3 to: LO / zm, preferably 0.3 to 3 / Select pigments, dispersants, dispersion media, dispersion conditions, and filtration conditions as appropriate to achieve zm.
  • LO / zm preferably 0.3 to 3 / Select pigments, dispersants, dispersion media, dispersion conditions, and filtration conditions as appropriate to achieve zm.
  • the colorant concentration is preferably 1% by mass to 10% by mass of the total ink.
  • pigment derivatives can be used in combination with pigment dispersants.
  • Specific examples of pigment derivatives are Solvex 5000 from Avecia, 12000 and 22 000, and EFKA-6746 from EFKA. 6750 etc. are mentioned.
  • the active energy ray-curable composition according to the present invention contains a 4- to 10-membered aliphatic cyclic ester compound or a 5- or more-membered cyclic ether compound. This is preferable because adhesion to various base materials is improved.
  • the cyclic ester compound is a 4- to L0-membered aliphatic cyclic ester compound.
  • the cyclic etheric compound is a cyclic etheric compound having five or more members. More preferably, it is a cyclic ether compound having no carbonate ester structure. Specifically, 1,3-dioxolane, tetrahydrofuran, 1,4 dioxane, 1,3,5 trioxane, crown ether (12—crown-4, etc.), 1,2 dimethyltetrahydrofuran, 2-methyltetrahydrofuran, 2-methyl Dioxolan, 4-methyldioxolane, etc.
  • the content of the 4- to 10-membered aliphatic cyclic ester compound and the 5- or more-membered cyclic ether compound is preferably 1 to 10% by mass.
  • various additives other than those described above can be used.
  • surfactants for example, surfactants, leveling additives, matting agents, polyester resins, polyurethane resins, vinyl resins, acrylic resins, rubber resins, waxes for adjusting film properties can be added.
  • all known basic compounds can be used. Typical examples include basic alkali metal compounds, basic alkaline earth metal compounds, and amines. Examples include basic organic compounds. It is also possible to use radical type cations and hybrid type curing inks.
  • a basic compound may also be added.
  • a basic compound By containing a basic compound, generation of wrinkles due to curing shrinkage is suppressed even under low humidity where force is sufficient if ejection stability is improved.
  • the basic compound all known compounds can be used. Typical examples include basic alkali metal compounds, basic alkaline earth metal compounds, basic organic compounds such as amines, and the like.
  • Examples of the basic alkali metal compound include an alkali metal hydroxide (for example, lithium hydroxide, sodium hydroxide, potassium hydroxide, etc.), an alkali metal carbonate (for example, lithium carbonate, carbonate). Sodium, potassium carbonate, etc.) and alkali metal alcoholates (eg, sodium methoxide, sodium ethoxide, potassium methoxide, potassium ethoxide, etc.).
  • Examples of the basic alkaline earth metal compound include alkaline earth metal hydroxides (eg, magnesium hydroxide, calcium hydroxide, etc.) and alkali metal carbonates (eg, magnesium carbonate, calcium carbonate). Etc.), alkali metal alcohola (For example, magnesium methoxide).
  • Examples of basic organic compounds include amines and nitrogen-containing bicyclic compounds such as quinoline and quinolidine.
  • amines are preferred because of their compatibility with photopolymerizable monomers.
  • the concentration thereof is preferably in the range of 10 to 1000 ppm by mass, particularly 20 to 500 ppm by mass with respect to the total amount of the photopolymerizable monomer.
  • the basic compounds may be used alone or in combination.
  • the viscosity of the active energy ray-curable composition at 25 ° C is 7 to 40 mPa's. , Preferred for stable ejection and good curability regardless of humidity.
  • the recording material in addition to ordinary uncoated paper, coated paper, and the like, various non-absorbable plastics used for so-called flexible packaging and films thereof can be used.
  • films include polyethylene terephthalate (PET) film, stretched polystyrene (OPS) film, stretched polypropylene (OPP) film, stretched nylon (ONy) film, polychlorinated butyl (PVC) film, polyethylene (PE).
  • PET polyethylene terephthalate
  • OPS stretched polystyrene
  • OPS stretched polypropylene
  • PVC polychlorinated butyl
  • PE polyethylene
  • TAC triacetyl cellulose
  • Other plastics that can be used include polycarbonate, acrylic resin, ABS, polyacetal, PV A, and rubbers. Moreover, it is applicable also to metals and glass.
  • the zircoia beads were removed, and various additives such as photopolymerizable compounds, acid proliferating agents, basic compounds, and surfactants were added in the combinations shown in Table 1 to prepare a flexographic ink composition set. .
  • the ink viscosity was adjusted by the addition amount of the compound having an oxetane ring and the epoxy compound.
  • OXT—221 Compound containing oxetane ring (Toagosei Co., Ltd.)
  • OXT-101 Oxetane ring-containing compound (manufactured by Toagosei Co., Ltd.)
  • OXT-212 Oxetane ring-containing compound (manufactured by Toagosei Co., Ltd.)
  • UVI UVI6992, 50% solution of propion carbonate by Dow Chemical
  • KF—351 Silicone oil (manufactured by Shin-Etsu)
  • Pigment 1 Pigment Black 7 (Mitsubishi Corporation, # 52)
  • Pigment 2 Pigment Blue 15: 4 (Sanyo Dye Co., Shean Blue 4044)
  • Pigment 3 Pigment Yellow 150 (LANXESS3 ⁇ 4: 3 ⁇ 4, E4GN-GT CH20015)
  • Pigment 4 Pigment Red 122 (Dai-Ni Seiki Co., Ltd., special order)
  • Synthetic paper (Synthetic paper YUPO FG manufactured by YUPO Corporation) is used as the recording material. After coating with each ink composition set to a thickness of 3 m, it was cured by irradiating 300 mjZcm 2 of ultraviolet rays with a metal halide lamp. The illuminance of each irradiation light source was measured by measuring the integrated illuminance at 254 nm using UVPF-A1 manufactured by Iwasaki Electric Co., Ltd.
  • the cured film was rubbed with a nail, and whether the film was peeled off was visually observed and evaluated according to the following criteria.
  • the photoacid generator used in the preparation of each active energy ray-curable flexographic ink is checked for the presence or absence of benzene during curing, ⁇ indicates that benzene is not generated, and X indicates that benzene is generated. It was determined.
  • Each ink film cured on the substrate is treated for 96 hours with a sunshine carbonic weathering tester, and then the color gamut of the cornea is visually observed to evaluate the resistance to change according to the following criteria. did.
  • the active energy ray-curable ink of the present invention is superior to the comparative example in safety and storage with less environmental burden and flexographic printing. It can be seen that the image formed by the method is excellent in curability and yellowing resistance. Note that the same effect was obtained even when the recording material was changed to another recording material.
  • flexographic ink composition set 1-12 prepared in Example 1 as a gravure ink composition set
  • coated wire for printing Article Yasutsubo: 256 g, made by Hokuetsu Paper
  • high-speed printing was performed at 600 to 800 rpm on a gravure printing machine.
  • it was cured by irradiating 300 mjZcm 2 ultraviolet rays with a metal halide lamp.
  • the illuminance of each irradiation light source was measured by measuring 254 nm integrated illuminance using UVPF-A1 manufactured by Iwasaki Electric Co., Ltd.
  • the active energy ray-curable gravure ink of the present invention is superior to the comparative example in that the image formed by the gravure printing method is excellent in curability and yellowing resistance. I understand.

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  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
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Abstract

L'invention concerne une encre hélio et une encre flexographique durcissables aux radiations d’énergie active permettant de réduire les contraintes environnementales, étant sûres et présentant une stabilité d’entreposage à long terme. Ces encres hélio et flexo durcissables aux radiations d'énergie active sont caractérisées en ce qu'elles contiennent une composition durcissable aux radiations d’énergie active contenant au moins un générateur photoacide sélectionné parmi les sels de sulfonium de formules générales : formule générale [1] formule générale [2] formule générale [3] formule générale [4]
PCT/JP2006/310624 2005-06-15 2006-05-29 Encre flexographique durcissable aux radiations d’énergie active et encre hélio durcissable aux radiations d’énergie active WO2006134766A1 (fr)

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JP2007521235A JPWO2006134766A1 (ja) 2005-06-15 2006-05-29 活性エネルギー線硬化型フレキソインキ及び活性エネルギー線硬化型グラビアインキ

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10745503B2 (en) 2017-08-18 2020-08-18 Fina Technology, Inc. Epoxidized polyfarnesene and methods for producing the same

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JP2003531223A (ja) * 1998-11-23 2003-10-21 サン ケミカル コーポレイション グラフトされた顔料を配合したエネルギー硬化性グラビアインキおよびインクジェットインキ
JP2004315778A (ja) * 2003-02-24 2004-11-11 Konica Minolta Holdings Inc 活性エネルギー線硬化組成物
JP2005060518A (ja) * 2003-08-12 2005-03-10 Konica Minolta Medical & Graphic Inc 光重合性組成物およびインクジェットインク
JP2005200528A (ja) * 2004-01-15 2005-07-28 Konica Minolta Medical & Graphic Inc カチオン重合性組成物及びこれを用いた硬化方法

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