WO2014077223A1 - 着色組成物、該着色組成物を用いたインクジェット記録用インク、該インクジェット記録用インクを用いたインクジェット記録方法、インクカートリッジ、及び、インクジェット記録物 - Google Patents
着色組成物、該着色組成物を用いたインクジェット記録用インク、該インクジェット記録用インクを用いたインクジェット記録方法、インクカートリッジ、及び、インクジェット記録物 Download PDFInfo
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- WO2014077223A1 WO2014077223A1 PCT/JP2013/080467 JP2013080467W WO2014077223A1 WO 2014077223 A1 WO2014077223 A1 WO 2014077223A1 JP 2013080467 W JP2013080467 W JP 2013080467W WO 2014077223 A1 WO2014077223 A1 WO 2014077223A1
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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
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/328—Inkjet printing inks characterised by colouring agents characterised by dyes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
- C08K5/3417—Five-membered rings condensed with carbocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
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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
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B47/00—Porphines; Azaporphines
- C09B47/04—Phthalocyanines abbreviation: Pc
- C09B47/06—Preparation from carboxylic acids or derivatives thereof, e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide
- C09B47/067—Preparation from carboxylic acids or derivatives thereof, e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide from phthalodinitriles naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile
- C09B47/0678—Preparation from carboxylic acids or derivatives thereof, e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide from phthalodinitriles naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile having-COOH or -SO3H radicals or derivatives thereof directly linked to the skeleton
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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
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B47/00—Porphines; Azaporphines
- C09B47/04—Phthalocyanines abbreviation: Pc
- C09B47/06—Preparation from carboxylic acids or derivatives thereof, e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide
- C09B47/073—Preparation from isoindolenines, e.g. pyrrolenines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
- C09B67/0034—Mixtures of two or more pigments or dyes of the same type
- C09B67/0035—Mixtures of phthalocyanines
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
Definitions
- the present invention has good hue and fastness to ozone gas, bronze gloss is suppressed, printing quality such as printing density is high, excellent stability over time at high density, and antiseptic property, especially in aqueous solution for a long time
- the present invention relates to a coloring composition excellent in ejection stability after storage stability, an ink for ink jet recording using the coloring composition, an ink jet recording method using the ink for ink jet recording, an ink cartridge, and an ink jet recorded matter.
- Ink jet recording methods include a method of ejecting droplets by applying pressure with a piezo element, a method of ejecting droplets by generating bubbles in ink by heat, a method of using ultrasonic waves, or a droplet by electrostatic force. There is a method of sucking and discharging.
- these inks for inkjet recording water-based inks, oil-based inks, or solid (melting type) inks are used. Among these inks, water-based inks are mainly used from the viewpoints of production, handleability, odor, safety, and the like.
- the colorant used in these inks for ink jet recording has high solubility in solvents, high density recording, good hue, light, heat, air, and environmental activity. Excellent fastness to gases (NOx, ozone, and other oxidizing gases, SOx, etc.), water and chemicals, good fixability to image-receiving materials, hard to bleed, and excellent storability as ink. In addition, there is a demand for non-toxicity, high purity, and availability at low cost.
- an ink for ink jet recording containing a preservative for example, an ink for ink jet recording obtained by dissolving or dispersing an azo dye or a phthalocyanine dye having a specific structure in Patent Document 1, the dye is from 1.0 V (vs SCE). Is a water-soluble dye having a noble oxidation potential, and it is disclosed that the ink contains at least one preservative.
- Patent Document 2 discloses an inkjet recording ink containing a phthalocyanine dye having a specific structure and a thiazole compound.
- the problem to be solved by the present invention is that it has good hue and fastness to ozone gas, bronze gloss is suppressed, printing quality such as printing density is high, stability over time at high density, and antiseptic properties.
- the present inventors have found that the object can be achieved by a coloring composition shown below.
- the mechanism of action is unknown, but is presumed as follows.
- the coloring composition of the present invention has a strong association property and a dye represented by the general formula (2) having a high fastness to ozone gas and the like, and the general formula (1) having a low association property and a high printing density.
- the dye represented by these is contained.
- the association of dyes is controlled, and it is considered that high ozone gas fastness and printing density can be achieved at the same time.
- the hue was improved by controlling the association, and the bronze gloss was suppressed.
- the coloring composition of the present invention improves the antiseptic properties of the coloring composition by containing a preservative, and also suppresses the generation of wrinkles by the antibacterial action of the preservative and prevents clogging with a nozzle or the like. It is thought that it is possible to give a high-quality printed matter that hardly occurs.
- the combined use of the compound represented by the general formula (1), the compound represented by the general formula (2), and a preservative makes it particularly prominent in a high concentration aqueous solution not containing an organic solvent.
- the object of the present invention has been achieved by the following method.
- a coloring composition comprising a phthalocyanine dye represented by the following general formula (1), a phthalocyanine dye represented by the following general formula (2), and at least one preservative.
- R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 are each independently a hydrogen atom, halogen atom, alkyl group, cycloalkyl group, alkenyl group, aralkyl group, aryl group , Heterocyclic group, cyano group, hydroxyl group, nitro group, amino group, alkylamino group, alkoxy group, aryloxy group, amide group, arylamino group, ureido group, sulfamoylamino group, alkylthio group, arylthio group, Alkoxycarbonylamino group, sulfonamido group, carbamoyl group, sulfamoyl group, alkoxy
- Z 1 , Z 2 , Z 3 and Z 4 are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group. Represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group. However, at least one of Z 1 , Z 2 , Z 3 , and Z 4 has an ionic hydrophilic group as a substituent.
- M 1 represents a hydrogen atom, a metal element, a metal oxide, a metal hydroxide, or a metal halide.
- R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 and R 16 are each independently a hydrogen atom, halogen atom, alkyl group, cycloalkyl group, alkenyl group, aralkyl group, aryl group , Heterocyclic group, cyano group, hydroxyl group, nitro group, amino group, alkylamino group, alkoxy group, aryloxy group, amide group, arylamino group, ureido group, sulfamoylamino group, alkylthio group, arylthio group, Alkoxycarbonylamino group, sulfonamido group, carbamoyl group, sulfamoyl group, alkoxycarbonyl group, heterocyclic oxy group, azo group, acyloxy group, carbamoyloxy group, silyloxy group, aryloxycarbonyl group
- Z 5 , Z 6 , Z 7 and Z 8 are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group. Represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group. However, at least one of Z 5 , Z 6 , Z 7 , and Z 8 has an ionic hydrophilic group as a substituent.
- M 2 represents a hydrogen atom, a metal element, a metal oxide, a metal hydroxide, or a metal halide.
- R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 and R 16 in the phthalocyanine dye represented by the general formula (2) are hydrogen atoms. .
- Z 5 , Z 6 , Z 7 and Z 8 in the phthalocyanine dye represented by the general formula (2) are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted group.
- Z 5 , Z 6 , Z 7 , and Z 8 represent a substituted alkyl group, and at least one of the substituents of the alkyl group is a —SO 2 NHR group (provided that R Represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group), [1] to [3].
- R Represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group [1] to [3].
- Z 1 , Z 2 , Z 3 and Z 4 in the phthalocyanine dye represented by the general formula (1) are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted group.
- the present invention has good hue and ozone gas fastness, high print quality such as print density, bronze gloss is suppressed, excellent stability over time at high density, and antiseptic properties, especially in aqueous solution.
- a colored composition having excellent ejection stability after long-term storage stability, an inkjet recording ink using the colored composition, an inkjet recording method using the inkjet recording ink, an ink cartridge, and an inkjet recorded product Provided.
- Halogen atom for example, chlorine atom, bromine atom
- Specific examples of the above group include, for example, methyl, ethyl, propyl, isopropyl, t-butyl, 2-methanesulfonylethyl, 3-phenoxypropyl, trifluoromethyl, cyclopentyl
- aryl group for example, phenyl, 4-t- Butylphenyl, 2,4-di-t-amylphenyl
- heteroatom for example, phenyl
- the colored composition of the present invention contains a phthalocyanine dye represented by the following general formula (1), a phthalocyanine dye represented by the following general formula (2), and at least one preservative.
- R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 are each independently a hydrogen atom, halogen atom, alkyl group, cycloalkyl group, alkenyl group, aralkyl group, aryl group , Heterocyclic group, cyano group, hydroxyl group, nitro group, amino group, alkylamino group, alkoxy group, aryloxy group, amide group, arylamino group, ureido group, sulfamoylamino group, alkylthio group, arylthio group, Alkoxycarbonylamino group, sulfonamido group, carbamoyl group, sulfamoyl group, alkoxycarbonyl group, heterocyclic oxy group, azo group, acyloxy group, carbamoyloxy group, silyloxy group, aryloxycarbonyl group, aryl
- Z 1 , Z 2 , Z 3 and Z 4 are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group. Represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group. However, at least one of Z 1 , Z 2 , Z 3 , and Z 4 has an ionic hydrophilic group as a substituent.
- M 1 represents a hydrogen atom, a metal element, a metal oxide, a metal hydroxide, or a metal halide.
- R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 are each independently a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, or an alkenyl.
- Examples of the halogen atom represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 include a fluorine atom, a chlorine atom and a bromine atom.
- the alkyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkyl group having a substituent and an unsubstituted alkyl group.
- an alkyl group having 1 to 12 carbon atoms when a substituent is removed is preferable.
- the substituent include a hydroxyl group, an alkoxy group, a cyano group, and a halogen atom and an ionic hydrophilic group.
- alkyl group examples include methyl, ethyl, butyl, isopropyl, t-butyl, hydroxyethyl, methoxyethyl, cyanoethyl, trifluoromethyl, 3-sulfopropyl and 4-sulfobutyl.
- the cycloalkyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a cycloalkyl group having a substituent and an unsubstituted cycloalkyl group.
- the cycloalkyl group is preferably a cycloalkyl group having 5 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the cycloalkyl group include a cyclohexyl group.
- the alkenyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkenyl group having a substituent and an unsubstituted alkenyl group.
- an alkenyl group having 2 to 12 carbon atoms when a substituent is removed is preferable.
- the substituent include an ionic hydrophilic group.
- Examples of the alkenyl group include a vinyl group and an allyl group.
- the aralkyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an aralkyl group having a substituent and an unsubstituted aralkyl group.
- an aralkyl group having 7 to 12 carbon atoms when a substituent is removed is preferable.
- the substituent include an ionic hydrophilic group.
- the aralkyl group include a benzyl group and a 2-phenethyl group.
- the aryl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an aryl group having a substituent and an unsubstituted aryl group.
- the aryl group is preferably an aryl group having 6 to 12 carbon atoms when the substituent is removed.
- the substituent include an alkyl group, an alkoxy group, a halogen atom, an alkylamino group, and an ionic hydrophilic group.
- Examples of the aryl group include phenyl, p-tolyl, p-methoxyphenyl, o-chlorophenyl and m- (3-sulfopropylamino) phenyl.
- the heterocyclic group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a heterocyclic group having a substituent and an unsubstituted heterocyclic group.
- the heterocyclic group is preferably a 5-membered or 6-membered heterocyclic group.
- the substituent include an ionic hydrophilic group.
- Examples of the heterocyclic group include a 2-pyridyl group, a 2-thienyl group and a 2-furyl group.
- the alkylamino group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkylamino group having a substituent and an unsubstituted alkylamino group.
- the alkylamino group is preferably an alkylamino group having 1 to 6 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the alkylamino group include a methylamino group and a diethylamino group.
- the alkoxy group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkoxy group having a substituent and an unsubstituted alkoxy group.
- the alkoxy group excluding the substituent is preferably an alkoxy group having 1 to 12 carbon atoms.
- Examples of the substituent include an alkoxy group, a hydroxyl group, and an ionic hydrophilic group.
- Examples of the alkoxy group include a methoxy group, an ethoxy group, an isopropoxy group, a methoxyethoxy group, a hydroxyethoxy group, and a 3-carboxypropoxy group.
- the aryloxy group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an aryloxy group having a substituent and an unsubstituted aryloxy group.
- the aryloxy group is preferably an aryloxy group having 6 to 12 carbon atoms when a substituent is removed.
- the substituent include an alkoxy group and an ionic hydrophilic group.
- Examples of the aryloxy group include a phenoxy group, a p-methoxyphenoxy group, and an o-methoxyphenoxy group.
- the amide group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an amide group having a substituent and an unsubstituted amide group.
- the amide group is preferably an amide group having 2 to 12 carbon atoms when a substituent is removed.
- the substituent include an ionic hydrophilic group.
- Examples of the amide group include an acetamide group, a propionamide group, a benzamide group, and a 3,5-disulfobenzamide group.
- the arylamino group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an arylamino group having a substituent and an unsubstituted arylamino group.
- the arylamino group is preferably an arylamino group having 6 to 12 carbon atoms when a substituent is removed. Examples of the substituent include a halogen atom and an ionic hydrophilic group. Examples of the arylamino group include an anilino group and a 2-chloroanilino group.
- the ureido group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a ureido group having a substituent and an unsubstituted ureido group.
- the ureido group is preferably a ureido group having 1 to 12 carbon atoms when a substituent is removed.
- the substituent include an alkyl group and an aryl group.
- Examples of the ureido group include a 3-methylureido group, a 3,3-dimethylureido group, and a 3-phenylureido group.
- the sulfamoylamino group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a sulfamoylamino group having a substituent and an unsubstituted sulfamoylamino group.
- a group is included.
- the substituent include an alkyl group.
- Examples of the sulfamoylamino group include N, N-dipropylsulfamoylamino group.
- the alkylthio group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkylthio group having a substituent and an unsubstituted alkylthio group.
- the alkylthio group is preferably an alkylthio group having 1 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the alkylthio group include a methylthio group and an ethylthio group.
- the arylthio group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an arylthio group having a substituent and an unsubstituted arylthio group.
- the arylthio group is preferably an arylthio group having 6 to 12 carbon atoms when a substituent is removed.
- the substituent include an alkyl group and an ionic hydrophilic group.
- Examples of the arylthio group include a phenylthio group and a p-tolylthio group.
- the alkoxycarbonylamino group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkoxycarbonylamino group having a substituent and an unsubstituted alkoxycarbonylamino group. It is.
- the alkoxycarbonylamino group is preferably an alkoxycarbonylamino group having 2 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the alkoxycarbonylamino group include an ethoxycarbonylamino group.
- the sulfonamide group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a sulfonamide group having a substituent and an unsubstituted sulfonamide group.
- the sulfonamide group is preferably a sulfonamide group having 1 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the sulfonamide group include methanesulfonamide, benzenesulfonamide, and 3-carboxybenzenesulfonamide.
- the carbamoyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a carbamoyl group having a substituent and an unsubstituted carbamoyl group.
- the substituent include an alkyl group.
- the carbamoyl group include a methylcarbamoyl group and a dimethylcarbamoyl group.
- the sulfamoyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a sulfamoyl group having a substituent and an unsubstituted sulfamoyl group.
- the substituent include an alkyl group and an aryl group.
- the sulfamoyl group include a dimethylsulfamoyl group, a di- (2-hydroxyethyl) sulfamoyl group, and a phenylsulfamoyl group.
- the alkoxycarbonyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an alkoxycarbonyl group having a substituent and an unsubstituted alkoxycarbonyl group.
- the alkoxycarbonyl group is preferably an alkoxycarbonyl group having 2 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the alkoxycarbonyl group include a methoxycarbonyl group and an ethoxycarbonyl group.
- the heterocyclic oxy group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a heterocyclic oxy group having a substituent and an unsubstituted heterocyclic oxy group. It is.
- the heterocyclic oxy group is preferably a heterocyclic oxy group having a 5-membered or 6-membered heterocyclic ring.
- the substituent include a hydroxyl group and an ionic hydrophilic group.
- Examples of the heterocyclic oxy group include a 2-tetrahydropyranyloxy group.
- the azo group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an azo group having a substituent and an unsubstituted azo group.
- Examples of the azo group include a p-nitrophenylazo group.
- the acyloxy group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an acyloxy group having a substituent and an unsubstituted acyloxy group.
- the acyloxy group is preferably an acyloxy group having 1 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the acyloxy group include an acetoxy group and a benzoyloxy group.
- the carbamoyloxy group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a carbamoyloxy group having a substituent and an unsubstituted carbamoyloxy group.
- the substituent include an alkyl group.
- the carbamoyloxy group include an N-methylcarbamoyloxy group.
- the silyloxy group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a silyloxy group having a substituent and an unsubstituted silyloxy group.
- the substituent include an alkyl group.
- the silyloxy group include a trimethylsilyloxy group.
- the aryloxycarbonyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an aryloxycarbonyl group having a substituent and an unsubstituted aryloxycarbonyl group. It is.
- the aryloxycarbonyl group is preferably an aryloxycarbonyl group having 7 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the aryloxycarbonyl group include a phenoxycarbonyl group.
- the aryloxycarbonylamino group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an aryloxycarbonylamino group having a substituent and an unsubstituted aryloxycarbonylamino A group is included.
- the aryloxycarbonylamino group is preferably an aryloxycarbonylamino group having 7 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the aryloxycarbonylamino group include a phenoxycarbonylamino group.
- the imide group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an imide group having a substituent and an unsubstituted imide group.
- Examples of the imide group include an N-phthalimide group and an N-succinimide group.
- the heterocyclic thio group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a heterocyclic thio group having a substituent and an unsubstituted heterocyclic thio group. It is.
- the heterocyclic thio group preferably has a 5-membered or 6-membered heterocyclic ring. Examples of the substituent include an ionic hydrophilic group. Examples of the heterocyclic thio group include a 2-pyridylthio group.
- the phosphoryl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a phosphoryl group having a substituent and an unsubstituted phosphoryl group.
- Examples of the phosphoryl group include a phenoxyphosphoryl group and a phenylphosphoryl group.
- the acyl group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes an acyl group having a substituent and an unsubstituted acyl group.
- the acyl group is preferably an acyl group having 1 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the acyl group include an acetyl group and a benzoyl group.
- the ionic hydrophilic group represented by R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 includes a sulfo group, a carboxyl group, a quaternary ammonium group, and the like.
- a carboxyl group and a sulfo group are preferable, and a sulfo group is particularly preferable.
- the carboxyl group and the sulfo group may be in a salt state, and examples of the counter ion forming the salt include alkali metal ions (eg, sodium ion, potassium ion) and organic cations (eg, tetramethylguanidinium ion). ) Is included.
- R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , R 14 and R 15 are hydrogen atom, halogen atom, alkyl group, aryl group, cyano group, alkoxy group, amide group, ureido, among others Group, sulfonamido group, carbamoyl group, sulfamoyl group and alkoxycarbonyl group are preferable, hydrogen atom, halogen atom and cyano group are particularly preferable, and hydrogen atom is most preferable.
- Z 1 , Z 2 , Z 3 , and Z 4 are each independently a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, It represents a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.
- at least one of Z 1 , Z 2 , Z 3 , and Z 4 has an ionic hydrophilic group as a substituent. Examples of the substituent include the substituents described in the above substituent group A.
- the alkyl group represented by Z 1 , Z 2 , Z 3 , and Z 4 includes an alkyl group having a substituent and an unsubstituted alkyl group.
- the alkyl group is preferably an alkyl group having 1 to 12 carbon atoms when a substituent is removed.
- substituent group examples include an alkylamino group, a hydroxyl group, an alkoxy group, a cyano group, an alkylamino group (RNH-, RR'N-), a carbamoyl group (-CONHR), a sulfamoyl group (-SO 2 NHR, -SO 2 NRR ') Sulfonylamino group (—NHSO 2 R), —SONHR group, —SONRR ′ group, halogen atom and ionic hydrophilic group.
- R and R ′ represent an alkyl group and a phenyl group, and these may have a substituent.
- substituent examples include an alkylamino group, a hydroxyl group, and an ionic hydrophilic group.
- R and R ′ may form a ring by a chemical bond.
- alkyl group examples include methyl, ethyl, butyl, n-propyl, isopropyl, t-butyl, hydroxyethyl, methoxyethyl, cyanoethyl, trimethyl. Included are fluoromethyl, 3-sulfopropyl and 4-sulfobutyl.
- the cycloalkyl group represented by Z 1 , Z 2 , Z 3 , and Z 4 includes a cycloalkyl group having a substituent and an unsubstituted cycloalkyl group.
- the cycloalkyl group is preferably a cycloalkyl group having 5 to 12 carbon atoms when a substituent is removed. Examples of the substituent include an ionic hydrophilic group. Examples of the cycloalkyl group include a cyclohexyl group.
- the alkenyl group represented by Z 1 , Z 2 , Z 3 , and Z 4 includes an alkenyl group having a substituent and an unsubstituted alkenyl group.
- an alkenyl group having 2 to 12 carbon atoms when a substituent is removed is preferable.
- the substituent include an ionic hydrophilic group.
- Examples of the alkenyl group include a vinyl group and an allyl group.
- the aralkyl group represented by Z 1 , Z 2 , Z 3 and Z 4 includes an aralkyl group having a substituent and an unsubstituted aralkyl group.
- an aralkyl group having 7 to 12 carbon atoms when a substituent is removed is preferable.
- the substituent include an ionic hydrophilic group.
- the aralkyl group include a benzyl group and a 2-phenethyl group.
- the aryl group represented by Z 1 , Z 2 , Z 3 , and Z 4 includes an aryl group having a substituent and an unsubstituted aryl group.
- the aryl group is preferably an aryl group having 6 to 12 carbon atoms when the substituent is removed. Examples of the aryl group include phenyl, p-tolyl, p-methoxyphenyl, o-chlorophenyl and m- (3-sulfopropylamino) phenyl, m-sulfophenyl.
- substituents examples include an alkyl group (R—), an alkoxy group (RO—), an alkylamino group (RNH—, RR′N—), a carbamoyl group (—CONHR), a sulfamoyl group (—SO 2 NHR), A sulfonylamino group (—NHSO 2 R), a halogen atom, and an ionic hydrophilic group are included (wherein R and R ′ represent an alkyl group and a phenyl group, and these may also have an ionic hydrophilic group) Good).
- R and R ′ represent an alkyl group and a phenyl group, and these may also have an ionic hydrophilic group
- the heterocyclic group represented by Z 1 , Z 2 , Z 3 , and Z 4 includes a heterocyclic group having a substituent and an unsubstituted heterocyclic group, and may form a condensed ring with another ring.
- the heterocyclic group is preferably a 5-membered or 6-membered heterocyclic group.
- the heterocyclic group may form a condensed ring with another ring. Examples of the heterocyclic group include, but are not limited to, the substitution position of the heterocyclic ring.
- substituents examples include an alkyl group (R—), an aryl group (R—), an alkoxy group (RO—), an alkylamino group (RNH—, RR′N—), a carbamoyl group (—CONHR), and a sulfamoyl group.
- R (—SO 2 NHR), a sulfonylamino group (—NHSO 2 R), a sulfonyl group (—SO 2 R), an acylamino group (—NHCOR), a halogen atom, and an ionic hydrophilic group (note that R, R 'Represents an alkyl group or an aryl group, and these may have an ionic hydrophilic group or a substituent having an ionic hydrophilic group).
- Z 1 , Z 2 , Z 3 and Z 4 are preferably a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted alkyl group or a substituted aryl group.
- a substituted heterocyclic group is more preferred, and a substituted alkyl group is still more preferred.
- At least one of Z 1 , Z 2 , Z 3 , and Z 4 has an ionic hydrophilic group as a substituent.
- the ionic hydrophilic group as a substituent include a sulfo group, a carboxyl group, and a quaternary ammonium group.
- a carboxyl group and a sulfo group are preferable, and a sulfo group is particularly preferable.
- the carboxyl group and the sulfo group may be in a salt state, and examples of the counter ion forming the salt include alkali metal ions (eg, sodium ion, potassium ion) and organic cations (eg, tetramethylguanidinium ion). ) Is included.
- alkali metal ions eg, sodium ion, potassium ion
- organic cations eg, tetramethylguanidinium ion.
- Z 1 , Z 2 , Z 3 and Z 4 are preferably each independently a group represented by the following general formula (3) or (4).
- L represents an alkylene group having 1 to 12 carbon atoms
- M 3 represents a hydrogen atom or a counter cation
- R 20 represents an alkyl group having 1 to 6 carbon atoms. * Represents a bond.
- L in the general formulas (3) and (4) represents an alkylene group having 1 to 12 carbon atoms, preferably represents an alkylene group having 1 to 8 carbon atoms, and represents an alkylene group having 1 to 6 carbon atoms. Is more preferable, and an alkylene group having 1 to 3 carbon atoms is more preferable.
- M 3 in the general formula (3) represents a hydrogen atom or a counter cation. When M 3 is a hydrogen atom, it is in the form of a free acid, and when M 3 is a counter cation, it is in the form of a salt. Examples of counter cations that form salts include monovalent counter cations, and alkali metal ions, ammonium ions, organic cations, and the like are preferable.
- Examples of the organic cation include tetramethylammonium ion, tetramethylguanidinium ion, and tetramethylphosphonium.
- the counter cation is preferably an alkali metal ion, more preferably a lithium ion, a sodium ion, or a potassium ion.
- R 20 in the general formula (4) represents an alkyl group having 1 to 6 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms, and more preferably a methyl group.
- q 1 , q 2 , q 3 and q 4 each independently represent 1 or 2.
- M 1 represents a hydrogen atom, a metal element, a metal oxide, a metal hydroxide, or a metal halide.
- M 1 is a metal element other than a hydrogen atom, such as Li, Na, K, Mg, Ti, Zr, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Ru. Rh, Pd, Os, Ir, Pt, Cu, Ag, Au, Zn, Cd, Hg, Al, Ga, In, Si, Ge, Sn, Pb, Sb, Bi, and the like. Of these, Cu, Ni, Zn, Al and the like are particularly preferable, and Cu is most preferable.
- Preferred examples of the metal oxide include VO and GeO.
- Si (OH) 2 , Cr (OH) 2 , Sn (OH) 2, etc. are mentioned preferably.
- the metal halide AlCl, SiCl 2, VCl, VCl 2, VOCl, FeCl, GaCl, ZrCl , and the like.
- R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 and R 16 are each independently R 2 , R 3 , R 6 , R 7 , R in the general formula (1).
- 10 , R 11 , R 14 and R 15 have the same meanings.
- Z 5 , Z 6 , Z 7 , and Z 8 are each independently synonymous with Z 1 , Z 2 , Z 3 , and Z 4 in the general formula (1).
- t, u, v, w, q 5 , q 6 , q 7 and q 8 each independently represent 1 or 2.
- M 2 has the same meaning as M 1 in the general formula (1).
- R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 and R 16 are each independently R 2 , R 3 , R 6 , R 7 , R in the general formula (1).
- 10 , R 11 , R 14, and R 15 each having the same meaning, a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a cyano group, an alkoxy group, an amide group, a ureido group, a sulfonamide group, a carbamoyl group, a sulfamoyl group, and
- An alkoxycarbonyl group is preferable, a hydrogen atom, a halogen atom, or a cyano group is particularly preferable, and a hydrogen atom is most preferable.
- These groups may further have a substituent. Examples of the substituent include the substituents described in the above substituent group A.
- Z 5 , Z 6 , Z 7 , and Z 8 are each independently synonymous with Z 1 , Z 2 , Z 3 , and Z 4 in the general formula (1).
- Z 5 , Z 6 , Z 7 and Z 8 are preferably a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted alkyl group or a substituted aryl group.
- a substituted heterocyclic group is more preferred, and a substituted alkyl group is still more preferred.
- At least one of the substituents of the substituted alkyl group is an —SO 2 NHR group (R preferably represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group).
- R preferably represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group.
- the ionic hydrophilic group which at least one of Z 5 , Z 6 , Z 7 and Z 8 has as a substituent is substituted by Z 1 , Z 2 , Z 3 and Z 4 in the general formula (1). It is synonymous with the ionic hydrophilic group which has as a group, and its preferable example is also the same.
- Z 5 , Z 6 , Z 7 and Z 8 are preferably each independently a group represented by the general formula (3) or (4).
- the preferred range is the same as described above.
- Z 5, Z 6, Z 7, and Z 8 are a group represented by the following general formula (5), the Z 5, Z 6, Z 7, and Z 8 It is more preferable that one of them is a group represented by the following general formula (5).
- L represents an alkylene group having 1 to 12 carbon atoms
- R represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group. * Represents a bond.
- L in the general formula (5) represents an alkylene group having 1 to 12 carbon atoms, preferably represents an alkylene group having 1 to 8 carbon atoms, more preferably represents an alkylene group having 1 to 6 carbon atoms, More preferably, it represents an alkylene group having 1 to 3 carbon atoms.
- R in the general formula (5) represents a substituted or unsubstituted alkyl group, or a substituted or unsubstituted phenyl group, and a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted phenyl. It is preferable to represent a group. As the substituent that the alkyl group or the phenyl group may have, a hydroxyl group is preferable.
- q 5 , q 6 , q 7 and q 8 each independently represent 1 or 2.
- M 2 has the same meaning as M 1 in the general formula (1), and preferred examples thereof are also the same.
- phthalocyanine dyes examples include “Phthalocyanine—Chemistry and Function” (P. 1 to 62) published by K. Shirai and Kobayashi, Inc. C. Leznoff-A. B. P. Lever co-authored, published by VCH, “Phthalogicanes-Properties and Applications” (P. 1 to 54), etc., can be synthesized by combining quoted or similar methods.
- the compound represented by the general formula (1) can be synthesized with reference to the description of [0057] to [0074] of Japanese Patent Application Laid-Open No. 2005-307189.
- the compound represented by the general formula (2) can be synthesized with reference to the description of [0086] to [0093] of Japanese Patent Application Laid-Open No. 2006-124679.
- R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 and R 16 are hydrogen, q 5 , q 6 , q 7.
- R 1 , R 4 , R 5 , R 8 , R 9 , R 12 , R 13 and R 16 are each independently R 2 , R 3 , R 6 , R 7 , R in the general formula (1).
- 10 , R 11 , R 14 and R 15 are synonymous with each other.
- Z 5 , Z 6 , Z 7 , and Z 8 are each independently synonymous with Z 1 , Z 2 , Z 3 , and Z 4 in the general formula (1).
- t, u, v, w, q 5 , q 6 , q 7 and q 8 each independently represent 1 or 2.
- x is synonymous with t, u, v, and w in general formula (2).
- Z represents a substituent corresponding to Z 5 , Z 6 , Z 7 , and Z 8 .
- Y represents a monovalent or divalent ligand such as a halogen atom, acetate anion, acetylacetonate or oxygen, and d is an integer of 1 to 4.
- Examples of the metal derivative represented by M- (Y) d include Al, Si, Ti, V, Mn, Fe, Co, Ni, Cu, Zn, Ge, Ru, Rh, Pd, In, Sn, Pt, and Pb. Halides, carboxylic acid derivatives, sulfates, nitrates, carbonyl compounds, oxides, complexes, and the like. Specific examples include copper chloride, copper bromide, copper iodide, nickel chloride, nickel bromide, nickel acetate, cobalt chloride, cobalt bromide, cobalt acetate, iron chloride, zinc chloride, zinc bromide, zinc iodide, acetic acid.
- Examples include zinc, vanadium chloride, vanadium oxytrichloride, palladium chloride, palladium acetate, aluminum chloride, manganese chloride, manganese acetate, acetylacetone manganese, manganese chloride, lead chloride, lead acetate, indium chloride, titanium chloride, tin chloride and the like.
- the amount of the metal derivative and the phthalonitrile compound represented by the general formula (V) is preferably 1: 3 to 1: 6 in terms of molar ratio.
- the amount of the metal derivative and the diiminoisoindoline derivative represented by the general formula (VI) is preferably 1: 3 to 1: 6 in terms of molar ratio.
- the reaction is usually performed in the presence of a solvent.
- a solvent an organic solvent having a boiling point of 80 ° C. or higher, preferably 130 ° C. or higher is used.
- the amount of the solvent used is 1 to 100 times, preferably 5 to 20 times, that of the phthalonitrile compound.
- 1,8-diazabicyclo [5.4.0] -7-undecene (DBU) or ammonium molybdate may be added as a catalyst.
- the addition amount is 0.1 to 10 times mol, preferably 0.5 to 2 times mol, per mol of the phthalonitrile compound and / or diiminoisoindoline derivative.
- the reaction temperature is preferably 80 to 300 ° C., preferably 100 to 250 ° C., and particularly preferably 130 to 230 ° C. Below 80 ° C, the reaction rate is extremely slow. If it exceeds 300 ° C, the phthalocyanine compound may be decomposed.
- the reaction time is 2 to 20 hours, preferably 5 to 15 hours, more preferably 5 to 10 hours. If it is less than 2 hours, there are many unreacted raw materials, and if it exceeds 20 hours, decomposition of the phthalocyanine compound may occur.
- the product obtained by these reactions is treated as a product after being treated according to a post-treatment method of a normal organic synthesis reaction and then purified or not purified. That is, for example, those which are liberated from the reaction system are not purified, or operations for purification by recrystallization or column chromatography (for example, gel permeation chromatography (SEPHADEX TM LH-20: manufactured by Pharmacia) etc. are used alone or in combination.
- the reaction solvent is distilled off or is poured into water or ice without being distilled off, and is neutralized or liberated without being neutralized.
- the product can be provided as a product after it has been purified by recrystallization, column chromatography, etc. alone or in combination.
- the product can be provided as a product after it has been purified alone or in combination without being purified, or purified by crystallization or column chromatography.
- the compounds represented by the above general formulas (a) -1 to (a) -4 have ⁇ -position substitution type (R 1 to R 16 in the following general formula (IV) are respectively in the 1st to 16th positions.
- a phthalocyanine compound having a specific substituent at the 2 and / or 3 position, 6 and / or 7 position, 10 and / or 11 position, 14 and / or 15 position In the case, a phthalocyanine compound having a specific substituent at the 2 and / or 3 position, 6 and / or 7 position, 10 and / or 11 position, 14 and / or 15 position).
- the phthalocyanine dye represented by the general formula (1) of the present invention is an ⁇ -position-substituted type (1 and / or 4 position, 5 and / or 8 position, 9 and / or 12 position, 13 and / or 16 position).
- Phthalocyanine dyes represented by the general formula (2) are specified at ⁇ -position substitution type (2 and 3 position, 6 and or 7 position, 10 and or 11 position, 14 and or 15 position)
- phthalocyanine dye represented by the general formula (1) or (2) are shown below using the following general formula (IV), but the phthalocyanine dye used in the present invention is limited to the following examples. Is not to be done.
- the preservative refers to those having a function of preventing the generation and growth of microorganisms, particularly bacteria and fungi.
- Various preservatives that can be used in the present invention can be used.
- Organic preservatives include quaternary ammonium salts (tetrabutylammonium chloride, cetylpyridinium chloride, benzyltrimethylammonium chloride, etc.), phenol derivatives (phenol, cresol, butylphenol, xylenol, bisphenol, etc.), phenoxyether derivatives (phenoxyethanol) Etc.), heterocyclic compounds (benzotriazole, PROXEL, 1,2-benzisothiazolin-3-one, etc.), alkanediols (pentylene glycol (1,2-pentanediol), isopentyldiol (3- Methyl-1,3-butanediol), hexanediol (1,2-hexanediol, etc.), caprylyl glycol (1,2-octanedi
- At least one preservative selected from the group consisting of heterocyclic compounds, phenol derivatives, phenoxy ether derivatives, and alkanediols is preferably used.
- the antiseptic those described in the antibacterial and microscopic handbook (Technical Hall: 1986), the antibacterial and antifungal encyclopedia (edited by the Japanese Society for Antibacterial and Antifungal Society), etc. can be used.
- the coloring composition of the present invention may contain two or more kinds of preservatives.
- the storage stability of the ink and the recorded image, particularly the hue stability is improved, and the ejection stability of the ink over a long period of time is remarkably improved.
- the effects of the present invention can be further improved. This is considered to be due to the fact that the bacteria are brought into contact with two or more kinds of preservatives, thereby suppressing the acquisition of the resistance of the bacteria to the individual preservatives.
- the preservatives When two or more kinds of preservatives are combined, the preservatives preferably have skeletons having different chemical structures. Further, when two or more kinds of preservatives are contained, at least one preservative is preferably a heterocyclic compound, a phenol derivative, a phenoxy ether derivative, or an alkanediol, Preferably there is. For example, the combination of a heterocyclic compound and a phenoxy ether derivative, the combination of a heterocyclic compound and a phenol derivative, the combination of a heterocyclic compound and alkanediols, etc. are mentioned preferably.
- the heterocyclic compound is preferably a thiazole compound or a benzotriazole compound.
- Thiazole compounds particularly function as antifungal agents among preservatives.
- Thiazole compounds include benzisothiazoline, isothiazoline, 1,2-benzisothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one, 2- (thiocyanomethylthio) benzthiazole, 2- Examples include mercaptobenzthiazole and 3-allyloxy-1,2-benzisothiazole-1,1-oxide.
- Proxel (trademark) series BDN, BD20, GXL, LV, XL2, Ultra10, etc.
- Arch Chemicals Co., Ltd. can also be used as a thiazole antifungal agent.
- the benzotriazole-based compound functions as a rust preventive agent among antiseptics.
- a metal material particularly, 42 alloy (a nickel-iron alloy containing 42% nickel) constituting an ink jet head is used as an ink. It is possible to prevent the occurrence of rust caused by the contact of Examples of the benzotriazole compounds include 1H-benzotriazole, 4-methyl-1H-benzotriazole, 5-methyl-1H-benzotriazole, and sodium or potassium salts thereof.
- the content ratio when combining two or more kinds of preservatives is not particularly limited, but the content of each preservative is preferably 1% by mass or more of the total content of the preservatives.
- the content is more preferably at least 20% by mass, and still more preferably at least 20% by mass.
- each content of each preservative is 99 mass% or less of the total content of preservatives, it is more preferable that it is 90 mass% or less, and it is still more preferable that it is 80 mass% or less.
- the addition amount of the preservative into the coloring composition (the total content when two or more preservatives are added) can be used in a wide range, but is preferably 0.001 to 10% by mass, more preferably Is 0.005 to 2.0 mass%, more preferably 0.01 to 0.5 mass%. By setting it to this value, the effect of the preservative can be obtained more efficiently, and the risk of occurrence of precipitates can be suppressed.
- the ink for inkjet recording of the present invention can be prepared by diluting the colored composition as a stock solution with water or the like, for example, 2 to 5 times. Moreover, you may add an antiseptic
- the addition amount of the preservative into the ink for inkjet recording is the same as the addition amount in the colored composition.
- the ratio of the content of the preservative to the content of the dye represented by the general formula (1) is The mass ratio is preferably 0.00001 to 5, more preferably 0.00002 to 0.5, and still more preferably 0.0001 to 0.05.
- the coloring composition of this invention contains the phthalocyanine dye represented by the said General formula (1), the phthalocyanine dye represented by the said General formula (2), and at least 1 sort (s) of preservatives.
- the first dye (general formula (1)) represented by the general formula (2) which has a strong associative property and excellent fastness, and a general dye which has a low associative property and excellent print density
- a second dye phthalocyanine dye represented by the general formula (2)
- it has good hue and fastness to ozone gas.
- the colored composition of the present invention can be preferably used as a colored composition for image formation.
- Applications of the colored composition of the present invention include image recording materials for forming images, particularly color images, and specifically, thermal transfer type images including ink jet recording materials described in detail below. Recording materials, pressure-sensitive recording materials, recording materials using electrophotographic methods, transfer-type silver halide photosensitive materials, printing inks, recording pens, etc., preferably ink-jet recording materials, thermal transfer type image recording materials, electrophotographic methods In particular, an ink jet recording material is preferable.
- the phthalocyanine dye used in the present invention is used by adjusting physical properties such as solubility and heat transfer properties suitable for the intended use with a substituent.
- the phthalocyanine dye used in the present invention can be used in a uniform dissolved state or a dispersed dissolved state such as an emulsified dispersion depending on the system used.
- the mass ratio of the phthalocyanine dye represented by the general formula (1) and the phthalocyanine dye represented by the general formula (2) is preferably 50/50 to 10/90, ⁇ 20/80 is more preferred.
- the colored composition is excellent in stability over time (viscosity change, precipitation, etc.) at a high concentration, and is excellent in ozone fastness of a print sample using the colored composition. Further, it is possible to obtain a feature that the print density is excellent.
- the content of the phthalocyanine dye represented by the general formula (1) is preferably 0.1 to 10% by mass. If it is 0.1% by mass or more, the color composition is excellent in stability over time and printing density at a high concentration, and if it is 10% by mass or less, the printing sample is excellent in ozone fastness.
- the mass ratio of the sum of the phthalocyanine dyes represented by the general formulas (1) and (2) to the preservative is preferably 90/10 to 99/1, and 95/5 to 97. .5 / 2.5 is more preferable.
- the ink for inkjet recording of the present invention contains the above colored composition.
- the content of the dye represented by the general formula (1) in the ink jet recording ink is the same as the content in the colored ink composition.
- the ink for ink jet recording of the present invention can be prepared by diluting a stock solution of ink for ink jet recording with water or the like.
- the amount of the phthalocyanine dye represented by the general formula (1) and the phthalocyanine dye represented by the general formula (2) can be used in a wide range, but the ink stock solution for ink jet recording can be used.
- the amount is preferably 1 to 20% by mass, more preferably 3 to 15% by mass, based on the total amount.
- a dye is dissolved in an aqueous medium (preferably an aqueous medium), a specific amount of a surfactant is further added, and an anti-drying agent or a penetration inhibitor is added as necessary. It can be prepared by adding an agent.
- aqueous medium means a mixture of water or a mixture of water and a small amount of a water-miscible organic solvent with additives such as wetting agents, stabilizers, preservatives, etc., if necessary.
- the ink liquid of the present invention in the case of water-soluble ink, it is preferable to first dissolve in water. Thereafter, various solvents and additives are added, dissolved and mixed to obtain a uniform ink solution.
- various methods such as dissolution by stirring, dissolution by ultrasonic irradiation, and dissolution by shaking can be used.
- the stirring method is particularly preferably used.
- various methods such as fluidized stirring known in the art and stirring using shearing force using an inverted agitator or dissolver can be used.
- a stirring method using a shearing force with the bottom surface of the container such as a magnetic stirrer, can be preferably used.
- JP-A-5-148436, JP-A-5-295212, JP-A-7-97541, JP-A-7-82515, JP-A-7-118857, JP-A-2002-020657 Details are described in each publication of Japanese Utility Model Publication No. 2002-060663, and can also be used for the preparation of the ink for inkjet recording of the present invention.
- additives that can be added as necessary include, for example, a drying inhibitor (wetting agent), an antifading agent, an emulsion stabilizer, a penetration accelerator, an ultraviolet absorber, an antifungal agent, Known additives such as a pH adjuster, a surface tension adjuster, an antifoaming agent, a viscosity adjuster, a dispersant, a dispersion stabilizer, a rust preventive, and a chelating agent can be used. These various additives are directly added to the ink liquid in the case of water-soluble ink. When an oil-soluble dye is used in the form of a dispersion, it is generally added to the dispersion after the preparation of the dye dispersion, but it may be added to the oil phase or the aqueous phase at the time of preparation.
- the anti-drying agent is preferably used for the purpose of preventing clogging due to drying of the ink-jet ink at the ink jet port of the nozzle used in the ink-jet recording method.
- a water-soluble organic solvent having a vapor pressure lower than that of water is preferable.
- Specific examples include ethylene glycol, propylene glycol, diethylene glycol, polyethylene glycol, thiodiglycol, dithiodiglycol, 2-methyl-1,3-propanediol, 1,2,6-hexanetriol, acetylene glycol derivatives, glycerin.
- Polyhydric alcohols typified by trimethylolpropane, etc., lower alkyl ethers of polyhydric alcohols such as ethylene glycol monomethyl (or ethyl) ether, diethylene glycol monomethyl (or ethyl) ether, triethylene glycol monoethyl (or butyl) ether 2-pyrrolidone, N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone, heterocyclic rings such as N-ethylmorpholine, sulfolane, dimethyl sulfoxide, 3 Sulfur-containing compounds such as sulfolane, diacetone alcohol, polyfunctional compounds such as diethanolamine, and urea derivatives.
- lower alkyl ethers of polyhydric alcohols such as ethylene glycol monomethyl (or ethyl) ether, diethylene glycol monomethyl (or ethyl) ether, triethylene glycol monoethyl (or butyl)
- polyhydric alcohols such as glycerin and diethylene glycol are more preferred.
- said anti-drying agent may be used independently and may be used together 2 or more types. These drying inhibitors are preferably contained in the ink in an amount of 10 to 50% by mass.
- the penetration accelerator is preferably used for the purpose of allowing the ink for inkjet to penetrate better into the paper.
- penetration enhancers alcohols such as ethanol, isopropanol, butanol, di (tri) ethylene glycol monobutyl ether, 1,2-hexanediol, sodium lauryl sulfate, sodium oleate, nonionic surfactants, etc. can be used. . If these are contained in the ink in an amount of 5 to 30% by mass, they usually have a sufficient effect, and it is preferable to use them in an additive amount range that does not cause printing bleeding or paper loss (print-through).
- UV absorbers are used for the purpose of improving image storage stability.
- examples of the ultraviolet absorber include benzotriazoles described in JP-A Nos. 58-185677, 61-190537, JP-A-2-782, JP-A-5-97075, JP-A-9-34057, and the like.
- the anti-fading agent is used for the purpose of improving image storage stability.
- various organic and metal complex anti-fading agents can be used.
- Organic anti-fading agents include hydroquinones, alkoxyphenols, dialkoxyphenols, phenols, anilines, amines, indanes, chromans, alkoxyanilines, heterocycles, etc. Complex, zinc complex and the like. More specifically, Research Disclosure No. No. 17643, Nos. VII to I, J; 15162, ibid. No. 18716, page 650, left column, ibid. No. 36544, page 527, ibid. No. 307105, page 872, ibid.
- the compounds described in the patent cited in Japanese Patent No. 15162 and the compounds represented by the general formulas and compound examples of the representative compounds described on pages 127 to 137 of JP-A-62-215272 can be used.
- antifungal agent examples include sodium dehydroacetate, sodium benzoate, sodium pyridinethione-1-oxide, ethyl p-hydroxybenzoate, 1,2-benzisothiazolin-3-one and salts thereof. These are preferably used in an amount of 0.02 to 1.00% by mass in the ink.
- the neutralizing agent organic base, inorganic alkali
- the pH adjuster is preferably added so that the ink for ink jet recording has a pH of 6 to 10, and more preferably added to have a pH of 7 to 10. preferable.
- the surface tension adjusting agent includes nonionic, cationic or anionic surfactants.
- the surface tension of the inkjet ink of the present invention is preferably 25 to 70 mN / m. Further, 25 to 60 mN / m is preferable. Further, the viscosity of the ink for ink jet recording of the present invention is preferably 30 mPa ⁇ s or less. Furthermore, it is more preferable to adjust to 20 mPa ⁇ s or less.
- surfactants include fatty acid salts, alkyl sulfate esters, alkyl benzene sulfonates, alkyl naphthalene sulfonates, dialkyl sulfosuccinates, alkyl phosphate ester salts, naphthalene sulfonate formalin condensates, polyoxyethylene alkyl sulfates.
- Anionic surfactants such as ester salts, polyoxyethylene alkyl ether, polyoxyethylene alkyl allyl ether, polyoxyethylene fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene alkylamine, glycerin fatty acid ester
- Nonionic surfactants such as oxyethyleneoxypropylene block copolymers are preferred.
- SURFYNOLS Air Products & Chemicals
- An amine oxide type amphoteric surfactant such as N, N-dimethyl-N-alkylamine oxide is also preferred.
- pages (37) to (38) of JP-A-59-157,636, Research, Disclosure No. The surfactants described in 308119 (1989) can also be used.
- fluorine-based, silicone-based compounds, chelating agents represented by EDTA, and the like can be used as necessary.
- phthalocyanine compound of the present invention is dispersed in an aqueous medium, as described in JP-A-11-286637, Japanese Patent Application Nos. 2000-78491, 2000-80259, 2000-62370, etc.
- colored fine particles containing a dye and an oil-soluble polymer are dispersed in an aqueous medium, or each of the specifications of Japanese Patent Application Nos. 2000-78454, 2000-78491, 2000-203856, and 2000-203857.
- the specific method for dispersing the compound of the present invention in an aqueous medium, the oil-soluble polymer to be used, the high-boiling organic solvent, the additive, and the amount used thereof are preferably those described in the above-mentioned patent publications. be able to.
- the phthalocyanine compound may be dispersed in a fine particle state as a solid. At the time of dispersion, a dispersant or a surfactant can be used.
- Dispersing devices include simple stirrer, impeller stirring method, in-line stirring method, mill method (for example, colloid mill, ball mill, sand mill, attritor, roll mill, agitator mill, etc.), ultrasonic method, high pressure emulsification dispersion method (high pressure homogenizer)
- mill method for example, colloid mill, ball mill, sand mill, attritor, roll mill, agitator mill, etc.
- ultrasonic method for example, colloid mill, ball mill, sand mill, attritor, roll mill, agitator mill, etc.
- ultrasonic method for example, colloid mill, ball mill, sand mill, attritor, roll mill, agitator mill, etc.
- ultrasonic method for example, colloid mill, ball mill, sand mill, attritor, roll mill, agitator mill, etc.
- high pressure homogenizer high pressure homogenizer
- Specific examples of commercially available devices include gorin homogenizers, microfluid
- the ink jet recording ink preparation method described above is disclosed in JP-A-5-148436, JP-A-5-295212, JP-A-7-97541, JP-A-7-82515, JP-A-7-118584, Details are described in Japanese Laid-Open Patent Publication No. 11-286637 and Japanese Patent Application No. 2000-87539, and can also be used to prepare the ink for inkjet recording of the present invention.
- a mixture containing water as a main component and optionally adding a water-miscible organic solvent can be used.
- the water-miscible organic solvent include alcohol (eg, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, sec-butanol, t-butanol, pentanol, hexanol, cyclohexanol, benzyl alcohol), polyvalent Alcohols (eg, ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, butylene glycol, hexanediol, pentanediol, glycerin, hexanetriol, thiodiglycol), glycol derivatives (eg , Ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene
- the phthalocyanine compound is preferably contained in an amount of 0.2 parts by mass or more and 20 parts by mass or less, more preferably 1 part by mass or more and 10 parts by mass or less. More preferred are those containing from 5 to 5 parts by weight, and most preferred are those containing from 4 to 5 parts by weight.
- other pigments may be used in combination with the phthalocyanine compound. When two or more kinds of dyes are used in combination, the total content of the dyes is preferably within the above range.
- the ink for ink jet recording of the present invention preferably has a viscosity of 40 cp or less.
- the surface tension is preferably 20 mN / m or more and 70 mN / m or less.
- Viscosity and surface tension are various additives such as viscosity modifiers, surface tension modifiers, specific resistance modifiers, film modifiers, UV absorbers, antioxidants, antifading agents, antifungal agents, and rust inhibitors. It can be adjusted by adding a dispersant and a surfactant.
- the ink for inkjet recording of the present invention can be used not only for forming a single color image but also for forming a full color image.
- a magenta color ink, a cyan color ink, and a yellow color ink can be used, and a black color ink may be further used to adjust the color tone.
- Any applicable yellow dye can be used.
- coupler components as coupling components (hereinafter referred to as coupler components); for example, coupler components Azomethine dyes having open-chain type active methylene compounds as examples; methine dyes such as benzylidene dyes and monomethine oxonol dyes; quinone dyes such as naphthoquinone dyes and anthraquinone dyes, and other dyes Examples of the species include quinophthalone dyes, nitro, nitroso dyes, acridine dyes, acridinone dyes, and the like.
- magenta dye Any applicable magenta dye can be used.
- aryl or heteryl azo dyes having phenols, naphthols, anilines, etc. as coupler components for example, azomethine dyes having pyrazolones, pyrazolotriazoles, etc.
- coupler components for example arylidene dyes, styryl dyes, merocyanine dyes, cyanine dyes Methine dyes such as oxonol dyes; Carbonium dyes such as diphenylmethane dyes, triphenylmethane dyes, xanthene dyes, etc., quinone dyes such as naphthoquinone, anthraquinone, anthrapyridone, etc., condensed polycycles such as dioxazine dyes, etc. And dyes.
- cyan dye can be used.
- aryl or heteryl azo dyes having phenols, naphthols, anilines and the like as coupler components for example, azomethine dyes having phenols, naphthols, heterocyclic rings such as pyrrolotriazole as coupler components; cyanine dyes, oxonol dyes, Polymethine dyes such as merocyanine dyes; carbonium dyes such as diphenylmethane dyes, triphenylmethane dyes, xanthene dyes; phthalocyanine dyes; anthraquinone dyes; indigo and thioindigo dyes.
- each of the above dyes may exhibit yellow, magenta, and cyan colors only after a part of the chromophore is dissociated.
- the counter cation is an alkali metal or an inorganic cation such as ammonium.
- it may be an organic cation such as pyridinium or a quaternary ammonium salt, and may further be a polymer cation having these in a partial structure.
- Applicable black materials include disazo, trisazo, tetraazo dyes, and carbon black dispersions.
- Inkjet recording method energy is supplied to the ink for ink jet recording, and a known image receiving material, that is, plain paper, resin-coated paper, such as JP-A-8-169172, JP-A-8-27693, JP-A-2-276670, JP-A-7-276789, JP-A-9-323475, JP-A-62-238783, JP-A-10-153789, JP-A-10-217473, JP-A-10-235995 10-337947 publication, 10-217597 publication, 10-337947 publication, etc., recording materials such as ink-jet exclusive paper, film, electrophotographic co-paper, fabric, glass, metal, ceramics, etc. A colored image is formed.
- a polymer fine particle dispersion (also referred to as polymer latex) may be used in combination for the purpose of imparting glossiness or water resistance or improving weather resistance.
- the timing of applying the polymer latex to the image receiving material may be before, after, or simultaneously with the application of the colorant, and therefore the addition place may be in the image receiving paper. It may be in ink or may be used as a liquid material of polymer latex alone.
- the method described in the specification can be preferably used.
- the ink cartridge for ink-jet recording of the present invention is filled with the ink for ink-jet recording of the present invention described above. Further, the ink-jet recorded matter of the present invention is one in which a colored image is formed on a recording material using the above-described ink for ink-jet recording of the present invention.
- the support in recording paper and recording film is made of chemical pulp such as LBKP and NBKP, mechanical pulp such as GP, PGW, RMP, TMP, CTMP, CMPMP, CGP, and waste paper pulp such as DIP.
- Additives such as known pigments, binders, sizing agents, fixing agents, cationic agents, paper strength enhancers, etc. can be mixed and manufactured using various devices such as long net paper machines and circular net paper machines. is there.
- either synthetic paper or plastic film sheets may be used.
- the thickness of the support is preferably 10 to 250 ⁇ m and the basis weight is preferably 10 to 250 g / m 2 .
- the support may be provided with an ink receiving layer and a backcoat layer as they are, or after a size press or anchor coat layer is provided with starch, polyvinyl alcohol or the like, an ink receiving layer and a backcoat layer may be provided. Further, the support may be flattened by a calendar device such as a machine calendar, a TG calendar, or a soft calendar.
- a calendar device such as a machine calendar, a TG calendar, or a soft calendar.
- paper and plastic films laminated on both sides with polyolefin for example, polyethylene, polystyrene, polyethylene terephthalate, polybutene and copolymers thereof
- a white pigment for example, titanium oxide or zinc oxide
- a tinting dye for example, cobalt blue, ultramarine blue, or neodymium oxide
- the ink receiving layer provided on the support contains a pigment and an aqueous binder.
- a white pigment is preferable, and as the white pigment, calcium carbonate, kaolin, talc, clay, diatomaceous earth, synthetic amorphous silica, aluminum silicate, magnesium silicate, calcium silicate, aluminum hydroxide, alumina, lithopone, zeolite, Examples thereof include white inorganic pigments such as barium sulfate, calcium sulfate, titanium dioxide, zinc sulfide and zinc carbonate, and organic pigments such as styrene pigments, acrylic pigments, urea resins and melamine resins.
- porous inorganic pigments are preferable, and synthetic amorphous silica having a large pore area is particularly preferable.
- synthetic amorphous silica either anhydrous silicic acid obtained by a dry production method or hydrous silicic acid obtained by a wet production method can be used, but it is particularly desirable to use hydrous silicic acid.
- aqueous binder contained in the ink receiving layer examples include water-soluble polyvinyl alcohol, silanol-modified polyvinyl alcohol, starch, cationized starch, casein, gelatin, carboxymethylcellulose, hydroxyethylcellulose, polyvinylpyrrolidone, polyalkylene oxide, polyalkylene oxide derivatives, and the like.
- Water-dispersible polymers such as water-soluble polymers, styrene butadiene latexes, and acrylic emulsions. These aqueous binders can be used alone or in combination of two or more.
- polyvinyl alcohol and silanol-modified polyvinyl alcohol are particularly preferable in terms of adhesion to the pigment and resistance to peeling of the ink receiving layer.
- the ink receiving layer can contain a mordant, a water resistance agent, a light resistance improver, a surfactant, and other additives in addition to the pigment and the aqueous binder.
- the mordant added to the ink receiving layer is preferably immobilized.
- a polymer mordant is preferably used.
- the polymer mordant JP-A-48-28325, JP-A-54-74430, JP-A-54-124726, JP-A-55-22766, JP-A-55-142339, JP-A-60-23850, JP-A-60-23851, 60-23852, 60-23835, 60-57836, 60-60643, 60-118834, 60-122940, 60-122941, 60-122942, 60- No. 235134, JP-A-1-161236, U.S. Pat.Nos.
- the water-proofing agent is effective for making the image water-resistant.
- cationic resins are particularly desirable.
- examples of such cationic resins include polyamide polyamine epichlorohydrin, polyethyleneimine, polyamine sulfone, dimethyl diallyl ammonium chloride polymer, cationic polyacrylamide, colloidal silica, etc.
- polyamide polyamine epichlorohydrin is particularly preferable. is there.
- the content of these cationic resins is preferably 1 to 15% by mass, particularly 3 to 10% by mass, based on the total solid content of the ink receiving layer.
- the light resistance improver examples include zinc sulfate, zinc oxide, hindered amine antioxidants, benzotriazole ultraviolet absorbers such as benzophenone, and the like. Of these, zinc sulfate is particularly preferred.
- the surfactant functions as a coating aid, a peelability improver, a slippage improver or an antistatic agent.
- Surfactants are described in JP-A Nos. 62-173463 and 62-183457.
- An organic fluoro compound may be used in place of the surfactant.
- the organic fluoro compound is preferably hydrophobic.
- Examples of the organic fluoro compound include a fluorine-based surfactant, an oily fluorine-based compound (for example, fluorine oil), and a solid fluorine compound resin (for example, tetrafluoroethylene resin).
- the organic fluoro compounds are described in JP-B-57-9053 (columns 8 to 17), JP-A-61-2994 and JP-A-62-135826.
- the ink receiving layer may be one layer or two layers.
- Recording paper and recording film can be provided with a backcoat layer, and examples of components that can be added to this layer include white pigments, aqueous binders, and other components.
- white pigments contained in the backcoat layer include light calcium carbonate, heavy calcium carbonate, kaolin, talc, calcium sulfate, barium sulfate, titanium dioxide, zinc oxide, zinc sulfide, zinc carbonate, satin white, and aluminum silicate.
- White inorganic pigments such as diatomaceous earth, calcium silicate, magnesium silicate, synthetic amorphous silica, colloidal silica, colloidal alumina, pseudoboehmite, aluminum hydroxide, alumina, lithopone, zeolite, hydrous halloysite, magnesium carbonate, magnesium hydroxide
- organic pigments such as styrene plastic pigment, acrylic plastic pigment, polyethylene, microcapsule, urea resin and melamine resin.
- aqueous binder contained in the backcoat layer As the aqueous binder contained in the backcoat layer, styrene / maleate copolymer, styrene / acrylate copolymer, polyvinyl alcohol, silanol modified polyvinyl alcohol, starch, cationized starch, casein, gelatin, carboxymethylcellulose Water-soluble polymers such as hydroxyethyl cellulose and polyvinyl pyrrolidone, and water-dispersible polymers such as styrene butadiene latex and acrylic emulsion. Examples of other components contained in the backcoat layer include an antifoaming agent, an antifoaming agent, a dye, a fluorescent brightening agent, a preservative, and a water-proofing agent.
- Polymer latex may be added to the constituent layers (including the backcoat layer) of the inkjet recording paper and recording film.
- the polymer latex is used for the purpose of improving film physical properties such as dimensional stabilization, curling prevention, adhesion prevention, and film cracking prevention.
- the polymer latex is described in JP-A Nos. 62-245258, 62-1316648, and 62-110066.
- a polymer latex having a low glass transition temperature 40 ° C. or lower
- cracking and curling of the layer can be prevented.
- curling can be prevented by adding a polymer latex having a high glass transition temperature to the backcoat layer.
- the ink of the present invention is not limited to an ink jet recording system, and is a known system, for example, a charge control system that discharges ink using electrostatic attraction, a drop-on-demand system (pressure) that uses the vibration pressure of a piezo element.
- Pulse method acoustic ink jet method that converts electrical signal into acoustic beam and irradiates ink and uses ink to discharge ink
- thermal ink jet that heats ink to form bubbles and uses generated pressure Used for systems.
- Inkjet recording methods use a method of ejecting a large number of low-density inks called photo inks in a small volume, a method of improving image quality using a plurality of inks having substantially the same hue and different concentrations, and colorless and transparent inks. The method is included.
- Proxel XL2 (thiazole-based heterocyclic compound, manufactured by Fujifilm Imaging Colorant) (preservative) was changed as shown in Table 17 below, except that ink stock solution B and C was produced.
- “Phenoxyethanol” in the column of preservative in Table 17 means that 0.1 g of phenoxyethanol was added, and “pentylene glycol” means that 0.1 g of pentylene glycol was added.
- Ink stock solutions D to O and comparative ink stock solutions 102 and 105 were prepared in the same manner as the ink stock solution A except that 10 g of compound (1A) and 90 g of compound (2B) were changed as shown in Table 17 below. Produced. At this time, ink stock solutions 101, 103, and 104 were prepared in the same manner as the ink stock solution A except that no preservative was contained as a comparative ink stock solution.
- Example 1 Preparation of ink liquid 1
- ink stock solution A obtained above, ultrapure water was added to the components shown in Table 18 below to make 1000 g, and the mixture was stirred and dissolved for 1 hour while heating at 30 to 40 ° C. Thereafter, ink solution 1 (cyan ink) was prepared by filtration under reduced pressure using a microfilter having an average pore diameter of 0.25 ⁇ m.
- Examples 2 to 24, Comparative Examples 101 to 105 Preparation of ink liquids 2 to 24 and 101 to 105]
- Ink liquids 2 to 24, 101 were the same as ink liquid 1 except that the types and amounts of preservatives newly added when preparing the ink stock solution and ink liquid were changed as described in Table 19 below.
- To 105 cyan ink were prepared.
- the photo glossy paper on which the image has been formed is left in a box set at an ozone gas concentration of 0.5 ⁇ 0.1 ppm, room temperature and dark place for 7 days, and the image density before and after being left under ozone gas is measured by a reflection densitometer (X -Rite310TR) and evaluated as the residual ratio of the dye. The reflection density was measured at three points of 1, 1.5 and 2.0.
- the ozone gas concentration in the box was set using an ozone gas monitor (model: OZG-EM-01) manufactured by APPLICS.
- AA when the dye residual ratio is 80% or more at any concentration
- B for less than 70% at 1 or 2 points all the concentrations
- the case of less than 70% was defined as C and evaluated in four stages.
- Print density The reflection density at a printing density of 100% on plain paper is measured using a reflection densitometer (X-Rite 310TR). A when the reflection density is 1.10 or more, B when the reflection density is 1.00 or more and less than 1.10. The print density was evaluated in three stages with C being less than 1.00.
- each ink obtained above was filled in an ink cartridge for an ink jet recording apparatus (trade name: PIXUS iP8600; manufactured by Canon), and the cartridge was set in the ink jet recording apparatus, and the ink from all nozzles After confirming the discharge, 20 sheets of A4 were output and evaluated according to the following criteria.
- AA No printing disturbance from the start to the end of printing
- A Almost no disturbance of printing from the start to the end of printing
- B Many output with disordered printing occurs
- Printing is interrupted from start to end This experiment was conducted after the ink cartridge was stored at 40 ° C. and 80% RH for 2 weeks.
- Example 101 Deionized water was added to the following components to make 33.3 g, and the mixture was stirred for 1 hour while heating at 50 ° C. Thereafter, the pH was adjusted to 9 with NaOH 10 mol / L to prepare a concentrated aqueous solution.
- Phthalocyanine dye (Compound 1A) 0.5g Phthalocyanine dye (compound 2B) 4.5g Proxel XL2 0.12g
- Examples 102 to 114 and Comparative Examples were prepared in the same manner as in the preparation of the concentrated aqueous solution of Example 101, except that the phthalocyanine dye and its addition amount and the preservative and its addition amount were changed as shown in Tables 21 and 22 below.
- a concentrated aqueous solution of 111-119 was prepared.
- the ink for ink jet recording of the present invention has a good hue and ozone gas fastness, bronze gloss is suppressed, printing quality such as printing density is high, stability over time at high density, and antiseptic properties, In particular, it was found that the discharge stability after long-term storage stability in an aqueous solution was excellent. It was also found that the ink storage stability over time was excellent.
- the present invention has good hue and ozone gas fastness, high print quality such as print density, bronze gloss is suppressed, excellent stability over time at high density, and antiseptic properties, especially in aqueous solution.
- a colored composition having excellent ejection stability after long-term storage stability, an inkjet recording ink using the colored composition, an inkjet recording method using the inkjet recording ink, an ink cartridge, and an inkjet recorded product Provided.
Abstract
Description
インクジェット記録方法には、ピエゾ素子により圧力を加えて液滴を吐出させる方式、熱によりインク中に気泡を発生させて液滴を吐出させる方式、超音波を用いた方式、あるいは静電力により液滴を吸引吐出させる方式がある。これらのインクジェット記録用インクとしては、水性インク、油性インク、あるいは固体(溶融型)インクが用いられる。これらのインクのうち、製造・取り扱い性・臭気・安全性等の点から水性インクが主流となっている。
防腐剤を含有するインクジェット記録用インクとしては、例えば特許文献1に特定構造のアゾ染料又はフタロシアニン染料を溶解又は分散してなるインクジェット記録用インクであって、該染料が1.0V(vsSCE)よりも貴の酸化電位を有する水溶性染料であり、該インクが防腐剤を少なくとも1種含有することが開示されている。また特許文献2には、特定構造のフタロシアニン染料と、チアゾール化合物とを含有するインクジェット記録用インクが開示されている。
既にインクジェット用として様々な染料や顔料が提案され、実際に使用されているが、未だに全ての要求を満足する着色剤は、発見されていないのが現状である。カラーインデックス(C.I.)番号が付与されているような、従来からよく知られている染料や顔料では、インクジェット記録用インクに要求される色相と堅牢性とを両立させることは難しい。
まず、本発明の着色組成物は、会合性が強く、オゾンガス等に対する高い堅牢性を有する一般式(2)で表される染料と、会合性が低く、高い印画濃度を有する一般式(1)で表される染料を含有している。これにより染料の会合が制御され、高いオゾンガス堅牢性と印画濃度の両立が可能になったものと考えられる。
また、会合を制御した事によって色相が良好となり、ブロンズ光沢が抑制されたと考えられる。
更に、本発明の着色組成物は、防腐剤を含有する事により、着色組成物の防腐性が向上し、また上記防腐剤が有する抗菌作用によって、黴の発生を抑制しノズル等での詰まりが起こりにくく高品質な印画物を与えることが可能と考えられる。
また、一般式(1)で表される化合物、一般式(2)で表される化合物及び防腐剤を併用することで、特に有機溶剤の含まれていない高濃度水溶液において顕著となる長期保存下での黴の発生や析出が抑制され、結果として着色組成物の経時安定性が向上し、長期保存後の高濃度水溶液から作成したインクを使用しても吐出安定性に優れ、高品位印刷が可能となるものと考えられる。
下記一般式(1)で表されるフタロシアニン染料と、下記一般式(2)で表されるフタロシアニン染料と、少なくとも1種の防腐剤を含む着色組成物。
一般式(1)中、
R2、R3、R6、R7、R10、R11、R14及びR15は、それぞれ独立に、水素原子、ハロゲン原子、アルキル基、シクロアルキル基、アルケニル基、アラルキル基、アリール基、ヘテロ環基、シアノ基、ヒドロキシル基、ニトロ基、アミノ基、アルキルアミノ基、アルコキシ基、アリールオキシ基、アミド基、アリールアミノ基、ウレイド基、スルファモイルアミノ基、アルキルチオ基、アリールチオ基、アルコキシカルボニルアミノ基、スルホンアミド基、カルバモイル基、スルファモイル基、アルコキシカルボニル基、ヘテロ環オキシ基、アゾ基、アシルオキシ基、カルバモイルオキシ基、シリルオキシ基、アリールオキシカルボニル基、アリールオキシカルボニルアミノ基、イミド基、ヘテロ環チオ基、ホスホリル基、アシル基又はイオン性親水性基を表す。これらの基は、更に置換基を有していてもよい。
Z1、Z2、Z3、及びZ4は、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のシクロアルキル基、置換若しくは無置換のアルケニル基、置換若しくは無置換のアラルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す。但し、Z1、Z2、Z3、及びZ4のうち少なくとも1つは、イオン性親水性基を置換基として有する。
l、m、n、p、q1、q2、q3及びq4は、それぞれ独立に、1又は2を表す。
M1は、水素原子、金属元素、金属酸化物、金属水酸化物又は金属ハロゲン化物を表す。
一般式(2):
一般式(2)中、
R1、R4、R5、R8、R9、R12、R13及びR16は、それぞれ独立に、水素原子、ハロゲン原子、アルキル基、シクロアルキル基、アルケニル基、アラルキル基、アリール基、ヘテロ環基、シアノ基、ヒドロキシル基、ニトロ基、アミノ基、アルキルアミノ基、アルコキシ基、アリールオキシ基、アミド基、アリールアミノ基、ウレイド基、スルファモイルアミノ基、アルキルチオ基、アリールチオ基、アルコキシカルボニルアミノ基、スルホンアミド基、カルバモイル基、スルファモイル基、アルコキシカルボニル基、ヘテロ環オキシ基、アゾ基、アシルオキシ基、カルバモイルオキシ基、シリルオキシ基、アリールオキシカルボニル基、アリールオキシカルボニルアミノ基、イミド基、ヘテロ環チオ基、ホスホリル基、アシル基又はイオン性親水性基を表す。これらの基は、更に置換基を有していてもよい。
Z5、Z6、Z7、及びZ8は、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のシクロアルキル基、置換若しくは無置換のアルケニル基、置換若しくは無置換のアラルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す。但し、Z5、Z6、Z7、及びZ8のうち少なくとも1つは、イオン性親水性基を置換基として有する。
t、u、v、w、q5、q6、q7及びq8は、それぞれ独立に、1又は2を表す。
M2は、水素原子、金属元素、金属酸化物、金属水酸化物又は金属ハロゲン化物を表す。
〔2〕
一般式(2)で表されるフタロシアニン染料におけるR1、R4、R5、R8、R9、R12、R13及びR16が、水素原子である〔1〕に記載の着色組成物。
〔3〕
一般式(2)で表されるフタロシアニン染料におけるZ5、Z6、Z7、及びZ8が、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す〔1〕又は〔2〕に記載の着色組成物。
〔4〕
一般式(2)で表されるフタロシアニン染料におけるZ5、Z6、Z7、及びZ8が、置換アルキル基を表し、アルキル基が有する置換基の少なくとも一つが-SO2NHR基(但しRは置換若しくは無置換のアルキル基、又は置換若しくは無置換のフェニル基を表す)である〔1〕~〔3〕のいずれか1項に記載の着色組成物。
〔5〕
一般式(2)で表されるフタロシアニン染料におけるt、u、v及びwが1である〔1〕~〔4〕のいずれか1項に記載の着色組成物。
〔6〕
一般式(2)で表されるフタロシアニン染料におけるq5、q6、q7及びq8が2である〔1〕~〔5〕のいずれか1項に記載の着色組成物。
〔7〕
一般式(1)で表されるフタロシアニン染料におけるR2、R3、R6、R7、R10、R11、R14及びR15が、水素原子である〔1〕~〔6〕のいずれか1項に記載の着色組成物。
〔8〕
一般式(1)で表されるフタロシアニン染料におけるZ1、Z2、Z3、及びZ4が、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す〔1〕~〔7〕のいずれか1項に記載の着色組成物。
〔9〕
一般式(1)で表されるフタロシアニン染料におけるl、m、n及びpが1である〔1〕~〔8〕のいずれか1項に記載の着色組成物。
〔10〕
一般式(1)で表されるフタロシアニン染料におけるq1、q2、q3及びq4が2である〔1〕~〔9〕のいずれか1項に記載の着色組成物。
〔11〕
一般式(1)で表されるフタロシアニン染料の含有量が0.1~10質量%である〔1〕~〔10〕のいずれか1項に記載の着色組成物。
〔12〕
一般式(1)で表されるフタロシアニン染料と、一般式(2)で表されるフタロシアニン染料との質量比が50/50~10/90である〔1〕~〔11〕のいずれか1項に記載の着色組成物。
〔13〕
上記少なくとも1種の防腐剤として、複素環化合物、フェノール誘導体、フェノキシエーテル誘導体、及びアルカンジオール類からなる群より選ばれる防腐剤を少なくとも1種含有する、〔1〕~〔12〕のいずれか1項に記載の着色組成物。
〔14〕
上記少なくとも1種の防腐剤が上記複素環化合物を含み、上記複素環化合物がチアゾール系化合物又はベンゾトリアゾール系化合物である、〔13〕に記載の着色組成物。
〔15〕
2種以上の防腐剤を含有する、〔1〕~〔14〕のいずれか1項に記載の着色組成物。
〔16〕
各防腐剤のそれぞれの含有量が、防腐剤の総含有量の20質量%以上である、〔15〕に記載の着色組成物。
〔17〕
上記防腐剤の総含有量が、0.01~0.5質量%である、〔1〕~〔16〕のいずれか1項に記載の着色組成物。
〔18〕
一般式(1)及び一般式(2)で表されるフタロシアニン染料の総量と、防腐剤との質量比が90/10~99/1である〔1〕~〔17〕のいずれか1項に記載の着色組成物。
〔19〕
〔1〕~〔18〕のいずれか1項に記載の着色組成物を含むインクジェット記録用インク。
〔20〕
〔19〕に記載のインクジェット記録用インクを用いて、被記録材に着色画像を形成するインクジェット記録方法。
〔21〕
〔19〕に記載のインクジェット記録用インクを充填したインクジェット記録用インクカートリッジ。
〔22〕
〔19〕に記載のインクジェット記録用インクを用いて、被記録材に着色画像を形成したインクジェット記録物。
ハロゲン原子(例えば、塩素原子、臭素原子);炭素数1~12の直鎖状又は分岐状鎖アルキル基、炭素数7~18のアラルキル基、炭素数2~12のアルケニル基、炭素数2~12の直鎖状又は分岐鎖状アルキニル基、側鎖を有していてもよい炭素数3~12のシクロアルキル基、側鎖を有していてもよい炭素数3~12のシクロアルケニル基(上記基の具体的例として、例えばメチル、エチル、プロピル、イソプロピル、t-ブチル、2-メタンスルホニルエチル、3-フェノキシプロピル、トリフルオロメチル、シクロペンチル):アリール基(例えば、フェニル、4-t-ブチルフェニル、2,4-ジ-t-アミルフェニル);ヘテロ環基(例えば、イミダゾリル、ピラゾリル、トリアゾリル、2-フリル、2-チエニル、2-ピリミジニル、2-ベンゾチアゾリル);アルキルオキシ基(例えば、メトキシ、エトキシ、2-メトキシエトキシ、2-メタンスルホニルエトキシ);アリールオキシ基(例えば、フェノキシ、2-メチルフェノキシ、4-t-ブチルフェノキシ、3-ニトロフェノキシ、3-t-ブチルオキシカルバモイルフェノキシ、3-メトキシカルバモイル);アシルアミノ基(例えば、アセトアミド、ベンズアミド、4-(3-t-ブチル-4-ヒドロキシフェノキシ)ブタンアミド);アルキルアミノ基(例えば、メチルアミノ、ブチルアミノ、ジエチルアミノ、メチルブチルアミノ);アニリノ基(例えば、フェニルアミノ、2-クロロアニリノ;ウレイド基(例えば、フェニルウレイド、メチルウレイド、N,N-ジブチルウレイド);スルファモイルアミノ基(例えば、N,N-ジプロピルスルファモイルアミノ);アルキルチオ基(例えば、メチルチオ、オクチルチオ、2-フェノキシエチルチオ);アリールチオ基(例えば、フェニルチオ、2-ブトキシ-5-t-オクチルフェニルチオ、2-カルボキシフェニルチオ);アルキルオキシカルボニルアミノ基(例えば、メトキシカルボニルアミノ);スルホンアミド基(例えば、メタンスルホンアミド、ベンゼンスルホンアミド、p-トルエンスルホンアミド、オクタデカン);カルバモイル基(例えば、N-エチルカルバモイル、N,N-ジブチルカルバモイル);スルファモイル基(例えば、N-エチルスルファモイル、N,N-ジプロピルスルファモイル、N,N-ジエチルスルファモイル);スルホニル基(例えば、メタンスルホニル、オクタンスルホニル、ベンゼンスルホニル、トルエンスルホニル);アルキルオキシカルボニル基(例えば、メトキシカルボニル、ブチルオキシカルボニル);ヘテロ環オキシ基(例えば、1-フェニルテトラゾール-5-オキシ、2-テトラヒドロピラニルオキシ);アゾ基(例えば、フェニルアゾ、4-メトキシフェニルアゾ、4-ピバロイルアミノフェニルアゾ、2-ヒドロキシ-4-プロパノイルフェニルアゾ);アシルオキシ基(例えば、アセトキシ);カルバモイルオキシ基(例えば、N-メチルカルバモイルオキシ、N-フェニルカルバモイルオキシ);シリルオキシ基(例えば、トリメチルシリルオキシ、ジブチルメチルシリルオキシ);アリールオキシカルボニルアミノ基(例えば、フェノキシカルボニルアミノ);イミド基(例えば、N-スクシンイミド、N-フタルイミ);ヘテロ環チオ基(例えば、2-ベンゾチアゾリルチオ、2,4-ジ-フェノキシ-1,3,5-トリアゾール-6-チオ、2-ピリジルチオ);スルフィニル基(例えば、3-フェノキシプロピルスルフィニル);ホスホニル基(例えば、フェノキシホスホニル、オクチルオキシホスホニル、フェニルホスホニル);アリールオキシカルボニル基(例えば、フェノキシカルボニル);アシル基(例えば、アセチル、3-フェニルプロパノイル、ベンゾイル);イオン性親水性基(例えば、カルボキシル基、スルホ基、及び4級アンモニウム基);その他シアノ基、ヒドロキシル基、ニトロ基、アミノ基。
まず、一般式(1)で表されるフタロシアニン染料について詳細に説明する。
R2、R3、R6、R7、R10、R11、R14及びR15は、それぞれ独立に、水素原子、ハロゲン原子、アルキル基、シクロアルキル基、アルケニル基、アラルキル基、アリール基、ヘテロ環基、シアノ基、ヒドロキシル基、ニトロ基、アミノ基、アルキルアミノ基、アルコキシ基、アリールオキシ基、アミド基、アリールアミノ基、ウレイド基、スルファモイルアミノ基、アルキルチオ基、アリールチオ基、アルコキシカルボニルアミノ基、スルホンアミド基、カルバモイル基、スルファモイル基、アルコキシカルボニル基、ヘテロ環オキシ基、アゾ基、アシルオキシ基、カルバモイルオキシ基、シリルオキシ基、アリールオキシカルボニル基、アリールオキシカルボニルアミノ基、イミド基、ヘテロ環チオ基、ホスホリル基、アシル基又はイオン性親水性基を表す。これらの基は、更に置換基を有していてもよい。
Z1、Z2、Z3、及びZ4は、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のシクロアルキル基、置換若しくは無置換のアルケニル基、置換若しくは無置換のアラルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す。但し、Z1、Z2、Z3、及びZ4のうち少なくとも1つは、イオン性親水性基を置換基として有する。
l、m、n、p、q1、q2、q3及びq4は、それぞれ独立に、1又は2を表す。
M1は、水素原子、金属元素、金属酸化物、金属水酸化物又は金属ハロゲン化物を表す。
上記一般式(3)中のM3は水素原子又はカウンターカチオンを表す。M3が水素原子である場合は遊離酸の形態であり、M3がカウンターカチオンの場合は塩の形態である。塩を形成するカウンターカチオンとしては、一価のカウンターカチオンが挙げられ、アルカリ金属イオン、アンモニウムイオン、有機カチオンなどが好ましい。有機カチオンとしては、テトラメチルアンモニウムイオン、テトラメチルグアニジウムイオン、テトラメチルホスホニウム等が挙げられる。カウンターカチオンとしては、アルカリ金属イオンであることが好ましく、リチウムイオン、ナトリウムイオン、カリウムイオンがより好ましい。
上記一般式(4)中のR20は炭素数1~6のアルキル基を表し、炭素数1~4のアルキル基が好ましく、メチル基がより好ましい。
次に、一般式(2)で表されるフタロシアニン染料について詳細に説明する。
R1、R4、R5、R8、R9、R12、R13及びR16は、それぞれ独立に、前記一般式(1)中のR2、R3、R6、R7、R10、R11、R14及びR15と各々同義である。
Z5、Z6、Z7、及びZ8は、それぞれ独立に、前記一般式(1)中のZ1、Z2、Z3、及びZ4と各々同義である。
t、u、v、w、q5、q6、q7及びq8は、それぞれ独立に、1又は2を表す。
M2は、前記一般式(1)中のM1と同義である。
これらの基は、更に置換基を有していてもよい。置換基としては、上記置換基群Aに記載の置換基が挙げられる。
Z5、Z6、Z7、及びZ8は、置換若しくは無置換のアルキル基、置換若しくは無置換のアリール基、置換若しくは無置換のヘテロ環基が好ましく、置換のアルキル基、置換のアリール基、置換のヘテロ環基がより好ましく、置換のアルキル基であることが更に好ましい。また、置換のアルキル基が有する置換基の少なくとも一つが、-SO2NHR基(Rは置換若しくは無置換のアルキル基、又は置換若しくは無置換のフェニル基を表すことが好ましい)であることがオゾン堅牢性の観点から最も好ましい。
Z5、Z6、Z7、及びZ8のうち少なくとも1つが置換基として有するイオン性親水性基は、前記一般式(1)中のZ1、Z2、Z3、及びZ4が置換基として有するイオン性親水性基と同義であり、好ましい例も同様である。
上記一般式(5)中のRは置換若しくは無置換のアルキル基、又は置換若しくは無置換のフェニル基を表し、置換若しくは無置換の炭素数1~6のアルキル基、又は置換若しくは無置換のフェニル基を表すことが好ましい。アルキル基又はフェニル基が有してもよい置換基としては、ヒドロキシル基が好ましい。
本発明に用いられるフタロシアニン誘導体は、例えば白井-小林共著、(株)アイピーシー発行「フタロシアニン-化学と機能-」(P.1~62)、C.C.Leznoff-A.B.P.Lever共著、VCH発行‘Phthalocyanines-Properties and Applications’(P.1~54)等に記載、引用若しくはこれらに類似の方法を組み合わせて合成することができる。
一般式(1)で表される化合物は、日本国特開2005-307189号公報の[0057]~[0074]の記載を参考にして合成することができる。
一般式(2)で表される化合物は、日本国特開2006-124679号公報の[0086]~[0093]の記載を参考にして合成することができる。
本発明の一般式(2)で表されるフタロシアニン染料のうちR1、R4、R5、R8、R9、R12、R13及びR16が水素、q5、q6、q7及びq8が2である化合物は、例えば下記一般式(V)で表されるフタロニトリル誘導体及び/又は下記一般式(VI)で表されるジイミノイソインドリン誘導体と下記M-(Y)dで表される金属誘導体を反応させることにより合成される。
R1、R4、R5、R8、R9、R12、R13及びR16は、それぞれ独立に、前記一般式(1)中のR2、R3、R6、R7、R10、R11、R14及びR15と各々同義である。
Z5、Z6、Z7、及びZ8は、それぞれ独立に、前記一般式(1)中のZ1、Z2、Z3、及びZ4と各々同義である。
t、u、v、w、q5、q6、q7及びq8は、それぞれ独立に、1又は2を表す。
M及びM2は、前記一般式(1)中のM1と同義であり、M=M2である。
Yはハロゲン原子、酢酸陰イオン、アセチルアセトネート、酸素などの1価又は2価の配位子を示し、dは1~4の整数である。
次に、防腐剤について説明する。
本発明において、防腐剤とは微生物、特に細菌・真菌(カビ)の発生、発育を防止する機能を有するものを言う。
本発明に使用可能な防腐剤としては、種々のものが使用可能である。
本発明の着色組成物は、2種以上の防腐剤を含有してもよい。本発明では、これらの防腐剤を2種以上併用して使用すると、インク及び記録画像の保存安定性、特に色相安定性が向上し、またインクの長期間の経時における吐出安定性が格段に向上するなど、本発明の効果が更に良好に発揮される。これは、2種以上の防腐剤に菌が接触することにより、個々の防腐剤に対する菌の耐性獲得が抑制されるためであると考えられる。
2種以上の防腐剤を組み合わせる場合、それらの防腐剤は異なった化学構造の骨格を有するものであることが好ましい。また、2種以上の防腐剤を含有する場合には、少なくとも1種の防腐剤が、複素環化合物、フェノール誘導体、フェノキシエーテル誘導体、又はアルカンジオール類であることが好ましく、なかでも複素環化合物であることが好ましい。例えば、複素環化合物とフェノキシエーテル誘導体の組み合わせ、複素環化合物とフェノール誘導体との組み合わせ、複素環化合物とアルカンジオール類との組み合わせ等が好ましく挙げられる。
チアゾール系化合物は、防腐剤のなかでも、特に防黴剤として機能する。チアゾール系化合物としては、ベンズイソチアゾリン、イソチアゾリン、1,2-ベンズイソチアゾリン-3-オン、5-クロロ-2-メチル-4-イソチアゾリン-3-オン、2-(チオシアノメチルチオ)ベンズチアゾール、2-メルカプトベンズチアゾール及び3-アリルオキシ-1,2-ベンズイソチアゾール-1,1-オキシド等を挙げることができる。また、チアゾール系防黴剤としてアーチ・ケミカルズ(株)より製造販売されているProxel(商標)シリーズ(BDN,BD20,GXL,LV,XL2及びUltra10等)を使用することもできる。
本発明のインクジェット記録用インクは、前記着色組成物を原液として水等により、例えば2~5倍に希釈して調製することができる。また水等による希釈の際に、防腐剤を追加で添加してもよい。防腐剤のインクジェット記録用インク中への添加量は、上記着色組成物中における添加量と同様である。
本発明の着色組成物又はインクジェット記録用インクにおいて、一般式(1)で表される染料の含有量に対する防腐剤の含有量の比(防腐剤/一般式(1)で表される染料)は、質量比で0.00001~5であることが好ましく、0.00002~0.5であることがより好まく、0.0001~0.05であることが更に好ましい。
本発明の着色組成物は、上記一般式(1)で表されるフタロシアニン染料と、上記一般式(2)で表されるフタロシアニン染料と、少なくとも1種の防腐剤とを含有する。会合性が強く、堅牢性に優れた一般式(2)で表される染料第1の染料(一般式(1)で表されるフタロシアニン染料)と、会合性が弱く、印画濃度に優れた一般式(1)で表される染料第2の染料(一般式(2)で表されるフタロシアニン染料)とを含有させ、更に防腐剤を含有させることにより、良好な色相及びオゾンガス堅牢性を有し、ブロンズ光沢が抑制され、印画濃度等の印画品質が高く、高濃度での経時安定性、及び、防腐性に優れ、特に水溶液での長期保存安定後の吐出安定性に優れた着色組成物を得ることが可能となる。
本発明の着色組成物は、好ましくは画像形成用着色組成物として用いることができる。本発明の着色組成物の用途としては、画像、特にカラー画像を形成するための画像記録材料が挙げられ、具体的には、以下に詳述するインクジェット方式記録材料を始めとして、感熱転写型画像記録材料、感圧記録材料、電子写真方式を用いる記録材料、転写式ハロゲン化銀感光材料、印刷インク、記録ペン等であり、好ましくはインクジェット方式記録材料、感熱転写型画像記録材料、電子写真方式を用いる記録材料であり、更に好ましくはインクジェット方式記録材料である。また、米国特許4808501号明細書、特開平6-35182号公報などに記載されているLCDやCCDなどの固体撮像素子で用いられているカラーフィルター各種繊維の染色のための染色液にも適用できる。本発明に用いるフタロシアニン染料は、その用途に適した溶解性、熱移動性などの物性を、置換基により調整して使用する。また、本発明に用いるフタロシアニン染料は、用いられる系に応じて均一な溶解状態、乳化分散のような分散された溶解状態で使用する事が出来る。
次に本発明のインクジェット記録用インクについて説明する。本発明のインクジェット記録用インクは、上記着色組成物を含む。インクジェット記録用インクにおける一般式(1)で表される染料の含有量は、上記着色インク組成物中における含有量と同様である。
本発明のインクジェット記録用インクは、インクジェット記録用インクの原液を水等により希釈して調整することができる。一般式(1)で表されるフタロシアニン染料及び一般式(2)で表されるフタロシアニン染料のインクジェット記録用インク原液中への添加量は、広い範囲で使用可能であるが、インクジェット記録用インク原液全量に対し、好ましくは、1~20質量%、より好ましくは、3~15質量%である。
本発明の着色インク組成物は、水性媒体(好ましくは水性媒体)中に染料を溶解させ、更に特定量の界面活性剤を添加し、更に必要に応じて乾燥防止剤や浸透防止剤などの添加剤を添加することによって作製することができる。「水性媒体」とは、水又は水と少量の水混和性有機溶剤との混合物に、必要に応じて湿潤剤、安定剤、防腐剤等の添加剤を添加したものを意味する。
このときの溶解方法としては、攪拌による溶解、超音波照射による溶解、振とうによる溶解等種々の方法が使用可能である。なかでも特に攪拌法が好ましく使用される。攪拌を行う場合、当該分野では公知の流動攪拌や反転アジターやディゾルバを利用した剪断力を利用した攪拌など、種々の方式が利用可能である。一方では、磁気攪拌子のように、容器底面との剪断力を利用した攪拌法も好ましく利用できる。
本発明のインクジェット記録方法は、前記インクジェット記録用インクにエネルギーを供与して、公知の受像材料、即ち普通紙、樹脂コート紙、例えば特開平8-169172号公報、同8-27693号公報、同2-276670号公報、同7-276789号公報、同9-323475号公報、特開昭62-238783号公報、特開平10-153989号公報、同10-217473号公報、同10-235995号公報、同10-337947号公報、同10-217597号公報、同10-337947号公報等に記載されているインクジェット専用紙、フィルム、電子写真共用紙、布帛、ガラス、金属、陶磁器等の被記録材に着色画像を形成する。
本発明のインクジェット記録用インクカートリッジは、上記した本発明のインクジェット記録用インクが充填されたものである。また、本発明のインクジェット記録物は、上記した本発明のインクジェット記録用インクを用いて、被記録材に着色画像が形成されたものである。
化合物(1A)10g及び化合物(2B)90gを超純水900gに室温で攪拌しながら溶解後、プロキセルXL2(フジフイルムイメージングカララント製、有効成分10質量%)(防腐剤)1g(すなわち、固形分(有効成分)として0.1g)を添加してこれらを完全に混合溶解した。引き続き、平均孔径0.2μmのメンブランフィルターを用いて不溶物のろ過を行い、インク原液Aを得た。
上記プロキセルXL2(チアゾール系の複素環化合物、フジフイルムイメージングカララント製)(防腐剤)を、下記表17に示すように変更した以外は、インク原液Aの調製と同様にして、インク原液B及びCを作製した。尚表17の防腐剤の欄における「フェノキシエタノール」はフェノキシエタノールを0.1g添加したことを意味し、「ペンチレングリコール」はペンチレングリコールを0.1g添加したことを意味する。
化合物(1A)10g及び化合物(2B)90gを、下記表17に示すように変更した以外は、インク原液Aの調製と同様にして、インク原液D~O、比較用のインク原液102及び105を作製した。
この際に、比較用のインク原液として、防腐剤を含有しない以外はインク原液Aの調製と同様にしてインク原液101、103及び104を作製した。
上記で得られたインク原液Aを用い、以下の表18に記載の成分に超純水を加え1000gとした後、30~40℃で加熱しながら1時間攪拌溶解した。その後、平均孔径0.25μmのミクロフィルターで減圧ろ過しインク液1(シアンインク)を調製した。
インク原液及びインク液を調製する際に新たに添加する防腐剤の種類及び添加量を以下の表19に記載するように変更した以外は、インク液1と同様にしてインク液2~24、101~105(シアンインク)をそれぞれ調製した。
以上の各実施例(実施例1~24)及び比較例(比較例101~105)のインク液について、下記評価を行った。その結果を表20に示した。尚、画像記録は、インク液を、インクジェットプリンター(EPSON(株)社製;PM-700C)でフォト光沢紙(PT-101、Canon)、及び普通紙(GF500、Canon)に画像を記録した。
前記画像を形成したフォト光沢紙を、オゾンガス濃度が0.5±0.1ppm、室温、暗所に設定されたボックス内に7日間放置し、オゾンガス下放置前後の画像濃度を反射濃度計(X-Rite310TR)を用いて測定し、色素残存率として評価した。尚、前記反射濃度は、1、1.5及び2.0の3点で測定した。ボックス内のオゾンガス濃度は、APPLICS製オゾンガスモニター(モデル:OZG-EM-01)を用いて設定した。何れの濃度でも色素残存率が80%以上の場合をAA、何れの濃度でも色素残存率が70%以上80%未満の場合をA、1又は2点が70%未満をB、全ての濃度で70%未満の場合をCとして、四段階で評価した。
普通紙における印画濃度100%における反射濃度を反射濃度計(X-Rite310TR)を用いて測定し、反射濃度が1.10以上の場合をA、1.00以上1.10未満の場合をB、1.00未満の場合をCとして、印画濃度を三段階で評価した。
印画したサンプルの最高濃度部分を白色蛍光灯下で目視で観測し、赤銅がかった光沢が観測されない場合をA、うっすらと観測される場合をB、明らかに観測される場合をCの三段階で評価した。
印画したサンプルを目視で観測し、純色のシアンである場合をA、やや赤みがかった青色に近いシアンをB、明らかに青色の場合をCの三段階で評価した。
日水製薬(株)製の細菌検査用フードスタンプ(生菌数用及び真菌用)のキャップをとり、寒天培地面に充分なインクジェット用インクを塗布した。キャップをしないまま10時間放置することにより、菌の付着を促した。その後でキャップをし、生菌数用フードスタンプについては36℃の恒温槽中で2日間、真菌用フードスタンプについては23℃の恒温槽中で5日間、培養した。目視観察により、以下の基準にて評価を行った。
A・・・黴の発生なし
B・・・黴の発生あり
吐出安定性については、上記で得られた各インクをインクジェット記録装置(商品名:PIXUS iP8600;キヤノン製)用のインクカートリッジに充填し、該カートリッジを前記インクジェット記録装置にセットし全ノズルからのインクの吐出を確認した後、A4 20枚出力し、以下の基準で評価した。
AA:印刷開始から終了まで印字の乱れが全く無し
A:印刷開始から終了まで印字の乱れが殆ど無し
B:印字の乱れのある出力が多数発生する
C:印刷開始から終了まで終始印字の乱れあり
この実験を、インクカートリッジを40℃80%RHの条件下、2週間保存後に行った。
下記の成分に脱イオン水を加え33.3gとした後、50℃で加熱しながら1時間撹拌した。その後NaOH10mol/LにてpH=9に調製し、濃厚水溶液を調製した。
フタロシアニン染料(化合物2B)4.5g
プロキセルXL2 0.12g
フタロシアニン染料とその添加量及び防腐剤とその添加量を、下記表21及び22に示すように変更した以外は、実施例101の濃厚水溶液の調製と同様にして、実施例102~114及び比較例111~119の濃厚水溶液を調製した。
以上の各実施例(実施例101~114)及び比較例(比較例111~119)の濃厚水溶液に関して、密封かつ静置状態で室温2週間経時貯蔵し、目視にて溶解状態を保っているものをA、染料の析出や分離が起きたものをBの2段階で評価した。その結果を表21及び22に示した。
本出願は、2012年11月15日出願の日本特許出願(特願2012-251685)に基づくものであり、その内容はここに参照として取り込まれる。
Claims (22)
- 下記一般式(1)で表されるフタロシアニン染料と、下記一般式(2)で表されるフタロシアニン染料と、少なくとも1種の防腐剤を含む着色組成物。
一般式(1)中、
R2、R3、R6、R7、R10、R11、R14及びR15は、それぞれ独立に、水素原子、ハロゲン原子、アルキル基、シクロアルキル基、アルケニル基、アラルキル基、アリール基、ヘテロ環基、シアノ基、ヒドロキシル基、ニトロ基、アミノ基、アルキルアミノ基、アルコキシ基、アリールオキシ基、アミド基、アリールアミノ基、ウレイド基、スルファモイルアミノ基、アルキルチオ基、アリールチオ基、アルコキシカルボニルアミノ基、スルホンアミド基、カルバモイル基、スルファモイル基、アルコキシカルボニル基、ヘテロ環オキシ基、アゾ基、アシルオキシ基、カルバモイルオキシ基、シリルオキシ基、アリールオキシカルボニル基、アリールオキシカルボニルアミノ基、イミド基、ヘテロ環チオ基、ホスホリル基、アシル基又はイオン性親水性基を表す。これらの基は、更に置換基を有していてもよい。
Z1、Z2、Z3、及びZ4は、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のシクロアルキル基、置換若しくは無置換のアルケニル基、置換若しくは無置換のアラルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す。但し、Z1、Z2、Z3、及びZ4のうち少なくとも1つは、イオン性親水性基を置換基として有する。
l、m、n、p、q1、q2、q3及びq4は、それぞれ独立に、1又は2を表す。
M1は、水素原子、金属元素、金属酸化物、金属水酸化物又は金属ハロゲン化物を表す。
一般式(2):
一般式(2)中、
R1、R4、R5、R8、R9、R12、R13及びR16は、それぞれ独立に、水素原子、ハロゲン原子、アルキル基、シクロアルキル基、アルケニル基、アラルキル基、アリール基、ヘテロ環基、シアノ基、ヒドロキシル基、ニトロ基、アミノ基、アルキルアミノ基、アルコキシ基、アリールオキシ基、アミド基、アリールアミノ基、ウレイド基、スルファモイルアミノ基、アルキルチオ基、アリールチオ基、アルコキシカルボニルアミノ基、スルホンアミド基、カルバモイル基、スルファモイル基、アルコキシカルボニル基、ヘテロ環オキシ基、アゾ基、アシルオキシ基、カルバモイルオキシ基、シリルオキシ基、アリールオキシカルボニル基、アリールオキシカルボニルアミノ基、イミド基、ヘテロ環チオ基、ホスホリル基、アシル基又はイオン性親水性基を表す。これらの基は、更に置換基を有していてもよい。
Z5、Z6、Z7、及びZ8は、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のシクロアルキル基、置換若しくは無置換のアルケニル基、置換若しくは無置換のアラルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す。但し、Z5、Z6、Z7、及びZ8のうち少なくとも1つは、イオン性親水性基を置換基として有する。
t、u、v、w、q5、q6、q7及びq8は、それぞれ独立に、1又は2を表す。
M2は、水素原子、金属元素、金属酸化物、金属水酸化物又は金属ハロゲン化物を表す。 - 一般式(2)で表されるフタロシアニン染料におけるR1、R4、R5、R8、R9、R12、R13及びR16が、水素原子である請求項1に記載の着色組成物。
- 一般式(2)で表されるフタロシアニン染料におけるZ5、Z6、Z7、及びZ8が、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す請求項1又は2に記載の着色組成物。
- 一般式(2)で表されるフタロシアニン染料におけるZ5、Z6、Z7、及びZ8が、置換アルキル基を表し、アルキル基が有する置換基の少なくとも一つが-SO2NHR基(但しRは置換若しくは無置換のアルキル基、又は置換若しくは無置換のフェニル基を表す)である請求項1~3のいずれか1項に記載の着色組成物。
- 一般式(2)で表されるフタロシアニン染料におけるt、u、v及びwが1である請求項1~4のいずれか1項に記載の着色組成物。
- 一般式(2)で表されるフタロシアニン染料におけるq5、q6、q7及びq8が2である請求項1~5のいずれか1項に記載の着色組成物。
- 一般式(1)で表されるフタロシアニン染料におけるR2、R3、R6、R7、R10、R11、R14及びR15が、水素原子である請求項1~6のいずれか1項に記載の着色組成物。
- 一般式(1)で表されるフタロシアニン染料におけるZ1、Z2、Z3、及びZ4が、それぞれ独立に、置換若しくは無置換のアルキル基、置換若しくは無置換のアリール基、又は置換若しくは無置換のヘテロ環基を表す請求項1~7のいずれか1項に記載の着色組成物。
- 一般式(1)で表されるフタロシアニン染料におけるl、m、n及びpが1である請求項1~8のいずれか1項に記載の着色組成物。
- 一般式(1)で表されるフタロシアニン染料におけるq1、q2、q3及びq4が2である請求項1~9のいずれか1項に記載の着色組成物。
- 一般式(1)で表されるフタロシアニン染料の含有量が0.1~10質量%である請求項1~10のいずれか1項に記載の着色組成物。
- 一般式(1)で表されるフタロシアニン染料と、一般式(2)で表されるフタロシアニン染料との質量比が50/50~10/90である請求項1~11のいずれか1項に記載の着色組成物。
- 前記少なくとも1種の防腐剤として、複素環化合物、フェノール誘導体、フェノキシエーテル誘導体、及びアルカンジオール類からなる群より選ばれる防腐剤を少なくとも1種含有する、請求項1~12のいずれか1項に記載の着色組成物。
- 前記少なくとも1種の防腐剤が前記複素環化合物を含み、該複素環化合物がチアゾール系化合物又はベンゾトリアゾール系化合物である、請求項13に記載の着色組成物。
- 2種以上の防腐剤を含有する、請求項1~14のいずれか1項に記載の着色組成物。
- 各防腐剤のそれぞれの含有量が、防腐剤の総含有量の20質量%以上である、請求項15に記載の着色組成物。
- 前記防腐剤の総含有量が、0.01~0.5質量%である、請求項1~16のいずれか1項に記載の着色組成物。
- 一般式(1)及び一般式(2)で表されるフタロシアニン染料の総量と、防腐剤との質量比が90/10~99/1である請求項1~17のいずれか1項に記載の着色組成物。
- 請求項1~18のいずれか1項に記載の着色組成物を含むインクジェット記録用インク。
- 請求項19に記載のインクジェット記録用インクを用いて、被記録材に着色画像を形成するインクジェット記録方法。
- 請求項19に記載のインクジェット記録用インクを充填したインクジェット記録用インクカートリッジ。
- 請求項19に記載のインクジェット記録用インクを用いて、被記録材に着色画像を形成したインクジェット記録物。
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KR1020157012084A KR101740166B1 (ko) | 2012-11-15 | 2013-11-11 | 착색 조성물, 그 착색 조성물을 사용한 잉크젯 기록용 잉크, 그 잉크젯 기록용 잉크를 사용한 잉크젯 기록 방법, 잉크 카트리지, 및, 잉크젯 기록물 |
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US14/712,289 US9528014B2 (en) | 2012-11-15 | 2015-05-14 | Coloring composition, ink for inkjet recording using the coloring composition, method for inkjet recording using the ink for inkjet recording, ink cartridge, and inkjet recording material |
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US14/712,289 Continuation US9528014B2 (en) | 2012-11-15 | 2015-05-14 | Coloring composition, ink for inkjet recording using the coloring composition, method for inkjet recording using the ink for inkjet recording, ink cartridge, and inkjet recording material |
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JP2016089119A (ja) * | 2014-11-10 | 2016-05-23 | セイコーエプソン株式会社 | インク組成物 |
WO2021201043A1 (ja) * | 2020-03-30 | 2021-10-07 | 富士フイルム株式会社 | 染料インク組成物、シアン染料インク、インクジェット記録用染料インク、インクジェット記録方法及び染料水溶液 |
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CN105968954A (zh) | 2009-07-20 | 2016-09-28 | 马克姆-伊玛杰公司 | 基于溶剂的喷墨油墨制剂 |
JP7257499B2 (ja) * | 2019-03-20 | 2023-04-13 | 富士フイルム株式会社 | 染料インク組成物、インクジェット記録用染料インク、及びインクジェット記録方法 |
WO2020262664A1 (ja) * | 2019-06-28 | 2020-12-30 | 富士フイルム株式会社 | 染料インク組成物、インクジェット記録用染料インク、及びインクジェット記録方法 |
EP4019255A4 (en) * | 2019-08-23 | 2022-10-12 | FUJIFILM Corporation | DYE-BASED INK COMPOSITION, CYAN DYE-BASED INK, DYE-BASED INK FOR INK-JET PRINTING, INK-JET PRINTING METHOD AND AQUEOUS DYE SOLUTION |
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Publication number | Publication date |
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CN104812846A (zh) | 2015-07-29 |
TWI606100B (zh) | 2017-11-21 |
EP2921530A4 (en) | 2016-08-03 |
TW201435015A (zh) | 2014-09-16 |
JP5976127B2 (ja) | 2016-08-23 |
EP2921530A1 (en) | 2015-09-23 |
KR101740166B1 (ko) | 2017-05-25 |
JPWO2014077223A1 (ja) | 2017-01-05 |
KR20150070239A (ko) | 2015-06-24 |
US9528014B2 (en) | 2016-12-27 |
US20150247048A1 (en) | 2015-09-03 |
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