US20200040523A1 - Treatment Liquid Composition, Set, Ink Jet Printing Method, And Cloth - Google Patents

Treatment Liquid Composition, Set, Ink Jet Printing Method, And Cloth Download PDF

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US20200040523A1
US20200040523A1 US16/526,190 US201916526190A US2020040523A1 US 20200040523 A1 US20200040523 A1 US 20200040523A1 US 201916526190 A US201916526190 A US 201916526190A US 2020040523 A1 US2020040523 A1 US 2020040523A1
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treatment liquid
liquid composition
water
cloth
ink
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Ryota MIYASA
Masakazu Ohashi
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Seiko Epson Corp
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Seiko Epson Corp
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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
    • C09D11/54—Inks based on two liquids, one liquid being the ink, the other liquid being a reaction solution, a fixer or a treatment solution for the ink
    • 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
    • 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
    • C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • D06P1/48—Derivatives of carbohydrates
    • D06P1/50—Derivatives of cellulose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
    • D06P1/5242—Polymers of unsaturated N-containing compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D06P1/613—Polyethers without nitrogen
    • D06P1/6136—Condensation products of esters, acids, oils, oxyacids with oxiranes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/002—Locally enhancing dye affinity of a textile material by chemical means
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/30—Ink jet printing
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/021—Moisture-responsive characteristics hydrophobic

Definitions

  • the present disclosure relates to a treatment liquid composition, a set, an ink jet printing method, and a cloth.
  • a technique in which a pre-treatment is performed on the substrate using a treatment liquid which contains a cationic compound and the like has been known.
  • JP-A-2008-266853 has proposed as the treatment liquid described above, an ink jet-printing pre-treatment agent which contains a water-soluble polyvalent metal salt and a specific resin emulsion.
  • a treatment liquid composition having a preferable viscosity, a set, an ink jet printing method, and a cloth, each of which can obtain a printed material having an excellent chromogenic property are provided.
  • a treatment liquid composition of the present disclosure is a treatment liquid composition which is used to be adhered to a cloth and which comprises a cationic compound, a water-soluble resin, and water; a molecular weight distribution of a water-soluble component contained in the treatment liquid composition has a maximum peak in a molecular weight range of 28,000 to 2,800,000; and a content of a water-soluble resin having a molecular weight of 28,000 to 2,800,000 is 0.6 to 5.0 percent by mass with respect to a total mass of the treatment liquid composition.
  • the molecular weight distribution of the water-soluble component may further have a maximum peak in a molecular weight range of 1,000 to 25,000, and the ratio of a peak area of a molecular weight of 28,000 to 2,800,000 to a peak area of a molecular weight of 1,000 to 25,000 may be 1:5 to 5:1.
  • the water-soluble resin may be at least one selected from a poly(ethylene oxide), a carboxymethyl cellulose, a hydroxyethyl cellulose, and a poly(vinyl pyrrolidone).
  • the treatment liquid composition described above may further comprise a water repellant, and the content of the water repellant may be 0.01 to 0.30 percent by mass with respect to the total mass of the treatment liquid composition.
  • the water repellant may be at least one selected from a fluorine-based water repellant, a silicone-based water repellant, and a paraffin wax.
  • the water repellant may be a resin having a melting point of 100° C. or less.
  • the cloth may be a polyester or a blend containing a polyester and a cotton.
  • the cloth is a cloth having a color portion, and an L* value of the color portion may be 80 or less.
  • the treatment liquid composition described above may further comprise resin particles.
  • the treatment liquid composition described above may further comprise a nonionic surfactant, and the nonionic surfactant may be a polyoxyethylene oleyl ether.
  • the cationic compound may be a polyvalent metal salt, and the polyvalent metal salt may be at least one selected from calcium nitrate, calcium chloride, and magnesium sulfate.
  • the treatment liquid composition described above may be used for ink jet pigment printing.
  • a set according to the present disclosure comprises: the treatment liquid composition described above; and a pigment-printing ink jet ink composition which contains a pigment, resin particles, and water.
  • the pigment-printing ink jet ink composition may be a white ink containing a white pigment.
  • An ink jet printing method comprises: a treatment liquid composition adhesion step of adhering the treatment liquid composition described above to the cloth.
  • the ink jet printing method described above may further comprise: after the treatment liquid composition adhesion step is performed, an ink composition adhesion step of adhering a pigment-printing ink jet ink composition which contains a pigment, resin particles, and water to a region to which the treatment liquid composition is adhered.
  • a cloth according to the present disclosure is a cloth to which the treatment liquid composition described above is adhered.
  • FIGURE is a schematic perspective view showing an ink jet printing apparatus according to an embodiment.
  • a treatment liquid composition (hereinafter, also simply referred to as “treatment liquid” in some cases) according to this embodiment is a treatment liquid composition which is used to be adhered to a cloth and which contains a cationic compound, a water-soluble resin, and water.
  • the molecular weight distribution of a water-soluble component contained in the treatment liquid composition has a maximum peak in a molecular weight range of 28,000 to 2,800,000, and the content of a water-soluble resin having a molecular weight of 28,000 to 2,800,000 is 0.6 to 5.0 percent by mass with respect to the total mass of the treatment liquid composition.
  • the treatment liquid composition according to this embodiment is preferably adhered in advance to a cloth functioning as a substrate of the printed material.
  • an ink composition which will be described later may be used.
  • the treatment liquid composition according to this embodiment when a pigment-printing ink jet ink composition is used, by the treatment liquid composition according to this embodiment, a pigment is likely to be retained on a surface of the cloth. Because of the characteristics described above, the chromogenic property of the pigment of the printed material can be improved.
  • the treatment liquid composition according to this embodiment is preferably a treatment liquid composition for pigment printing and is more preferably a treatment liquid composition for ink jet pigment printing.
  • an ink composition to be used for manufacturing a printed material a pigment-printing ink jet ink composition (hereinafter, also simply referred to as “ink composition” in some cases) will be described by way of example.
  • the treatment liquid composition according to this embodiment contains a cationic compound.
  • the cationic compound has a function to aggregate components in the ink composition. That is, in the case in which a printed material is manufactured, when the ink composition is adhered to a cloth to which the treatment liquid is adhered, the cationic compound contained in the treatment liquid works on particles of a pigment, resin particles (emulsion), and the like contained in the ink composition. As a result, the aggregation between the particles is promoted, and the particles are suppressed from being absorbed in spaces between fibers forming the cloth or in the fibers. Hence, color development of the pigment (colorant) of the printed material can be improved.
  • the cationic compound also has a function to increase the viscosity of the ink composition. Hence, excessive penetration of the ink composition in the cloth is suppressed, and in addition, the generation of blurring and bleeding can also be reduced.
  • the functions of the cationic compound described above are derived from an action which neutralizes a surface charge of the components contained in the ink composition or an action which changes the pH of the ink composition.
  • an action which neutralizes a surface charge of the components contained in the ink composition or an action which changes the pH of the ink composition.
  • a polyvalent metal salt or a cationic resin may be mentioned.
  • a polyvalent metal salt is preferably used.
  • Those cationic compounds may be used alone, or at least two types thereof may be used in combination.
  • the polyvalent metal salt is a water-soluble compound which contains a polyvalent metal cation having at least divalence and an anion forming a salt with the polyvalent metal cation.
  • a polyvalent metal cation having at least divalence for example, there may be mentioned a divalent metal ion, such as Ca 2+ , Cu 2+ , Ni 2+ , Mg 2+ , Zn 2+ , or Ba 2+ , or a trivalent metal ion, such as Al 3+ , Fe 3+ , or Cr 3+ .
  • the anion for example, there may be mentioned Cl ⁇ , I ⁇ , Br ⁇ , SO 4 2- , CO 3 2- , ClO 3 ⁇ , NO 3 ⁇ , HCOO ⁇ , or CH 3 COO ⁇ .
  • a calcium salt or a magnesium salt is preferably used.
  • the calcium salt or the magnesium salt there may be mentioned calcium nitrate, calcium chloride, or magnesium sulfate, and at least one of those mentioned above may be used.
  • a calcium salt is more preferably used.
  • the polyvalent metal salt a hydrate thereof may also be used.
  • the hydrate of calcium chloride for example, calcium chloride dihydrate may also be used, and as the hydrate of calcium nitrate, for example, calcium nitrate tetrahydrate may also be used.
  • the polyvalent metal salts may be used alone, or at least two types thereof may be used in combination. When at least two types of polyvalent metal salts are used in combination, a calcium salt and a magnesium salt are preferably used in combination. In the case as described above, the aggregation function to aggregate the pigment and/or the resin particles (emulsion) is likely to be controlled.
  • magnesium salt magnesium sulfate is preferably used.
  • a metal salt other than the polyvalent metal salt may also be used.
  • a metal salt described above sodium sulfate or potassium sulfate may be mentioned, each of which is formed using a monovalent metal cation, such as Na + or K + , and the anion mentioned above in combination.
  • cationic resin for example, an urethane resin, an olefin resin, or an allylamine resin, each of which has a cationic property, may be mentioned.
  • cationic urethane resin for example, a known product or a commercially available product may be used.
  • the cationic urethane resin may be used after being dissolved in a solvent, such as water or an organic solvent, or after being dispersed in the above solvent to form an emulsion.
  • cationic urethane resin for example, there may be mentioned Hydran (registered trademark) CP-7010, 7120, 7030, 7040, 7050, 7060, or 7610 (trade name, available from DIC Corporation); Superflex (registered trademark) 600, 610, 620, 630, 640, or 650 (trade name, available from DKS Co., Ltd.); or Urethane Emulsion WBR-2120C or 2122C (trade name, manufacture by Taisei Fine Chemical Co., Ltd.).
  • Hydran registered trademark
  • CP-7010, 7120, 7030, 7040, 7050, 7060, or 7610 trade name, available from DIC Corporation
  • Superflex registered trademark
  • 600, 610, 620, 630, 640, or 650 trade name, available from DKS Co., Ltd.
  • Urethane Emulsion WBR-2120C or 2122C trade name, manufacture by Taisei Fine Chemical Co., Ltd.
  • the cationic olefin resin is a high molecular weight compound which is derived form an olefin monomer and which has a structure, such as an ethylene chain or a propylene chain, as a primary skeleton.
  • a known product or a commercially available product may be used, and a cationic olefin resin dissolved in a solvent, such as water or an organic solvent, or dispersed in the solvent mentioned above to form an emulsion may also be used.
  • a solvent such as water or an organic solvent, or dispersed in the solvent mentioned above to form an emulsion
  • the cationic olefin resin described above for example, there may be mentioned Arrow Base (registered trademark) CB-1200 or CD-1200 (trade name, available from Unitika Ltd.).
  • a known product may be used, and for example, there may be mentioned a polyallylamine hydrochloride, a polyallylamineamide sulfate, an allylamine hydrochloride-diallylamine hydrochloride copolymer, an allylamine acetate-diallylamine acetate copolymer, an allylamine hydrochloride-dimethylallylamine hydrochloride copolymer, an allylamine-dimethylallylamine copolymer, a polydiallylamine hydrochloride, a polymethyldiallylamine hydrochloride, a polymethyldiallylamineamide sulfate, a polymethyldiallylamine acetate, a polydiallylmethylammonium chloride, a diallylamine acetate-sulfur dioxide copolymer, a diallylmethylethylammoniumethyl sulfate-sulfur dioxide copolymer, a methyldiallylamine hydrochloride, a
  • a commercially available product may also be used, and for example, there may be mentioned PAA-HCl-01, 03, 05, 3L, 10L, PAA-H-HCL, PAA-SA, PAA-01, 03, 05, 08, 15, 15C, 25, PAA-H-10C, PAA-D11-HCl, PAA-D41-HCl, PAA-D19-HCl, PAS-21CL, 22SA, 92, 92A, PAS-M-1, 1L, LA, PAS-H-1L, 5L, 10L, PAS-J-81 or 81L (trade name, available from Nittobo Medical Co., Ltd.); Himoloc (registered trademark) NEO-600, Q-101, Q-311, Q-501, or Himax SC-505 (trade name, available from Hymo Corporation).
  • cationic resin and the polyvalent metal salt described above there may also be used a cationic surfactant, an inorganic acid, or an organic acid.
  • a primary, a secondary, or a tertiary amine chloride an alkylamine salt, a dialkylamine salt, an aliphatic amine salt, a benzalkonium salt, a quaternary ammonium salt, a quaternary alkylammonium salt, an alkylpyridinium salt, a sulfonium salt, a phosphonium salt, an onium salt, or an imidazolinium salt.
  • a hydrochloride or an acetate of laurylamine, coconut amine, or rosin amine dodecyltrimethylammonium chloride (lauryltrimethylammonium chloride), hexadecyltrimethylammonium chloride (cetyltrimethylammonium chloride), benzyltributylammonium chloride, benzalkonium chloride, dimethylethyllaurylammonium ethyl sulfate, dimethylethyloctylammonium ethyl sulfate, trimethyllaurylammonium hydrochloride, cetylpyridinium chloride, cetylpyridinium bromide, dihydroxyethyllaurylamine, decyldimethylbenzylammonium chloride, dodecyldimethylbenzylammonium chloride, tetradecyld
  • an inorganic acid such as sulfuric acid, hydrochloric acid, nitric acid, or phosphoric acid
  • an organic acid such as a polyacrylic acid, acetic acid, glycolic acid, malonic acid, malic acid, maleic acid, ascorbic acid, succinic acid, glutaric acid, fumaric acid, citric acid, tartaric acid, lactic acid, a sulfonic acid, pyrrolidone carboxylic acid, pyrone carboxylic acid, pyrrole carboxylic acid, furan carboxylic acid, pyridine carboxylic acid, coumaric acid, thiophene carboxylic acid, or nicotine acid; or a derivative or a salt of each of those mentioned above.
  • Those acids may be used alone, or at least two types thereof may be used in combination.
  • an inorganic pigment such as choke, kaolin, calcined clay, talc, titanium oxide, zinc oxide, zinc sulfide, synthetic silica, aluminum hydroxide, alumina, sericite, white carbon, saponite, calcium montmorillonite, sodium montmorillonite, or bentonite; or an organic pigment, such as acrylic-based plastic pigment or an urea polymer compound.
  • an inorganic pigment such as choke, kaolin, calcined clay, talc, titanium oxide, zinc oxide, zinc sulfide, synthetic silica, aluminum hydroxide, alumina, sericite, white carbon, saponite, calcium montmorillonite, sodium montmorillonite, or bentonite
  • an organic pigment such as acrylic-based plastic pigment or an urea polymer compound.
  • the content of the cationic compound contained in the treatment liquid is not particularly limited and is, with respect to the total mass of the treatment liquid, preferably 0.1 to 40.0 percent by mass, more preferably 2.0 to 25.0 percent by mass, further preferably 3.0 to 15.0 percent by mass, and particularly preferably 5.0 to 10.0 percent by mass. Since the content of the cationic compound is set in the range described above, for example, the precipitation and/or the separation of the cationic compound in the treatment liquid is suppressed, and the aggregation of the pigment and/or the resin particles (emulsion) in the ink composition is promoted, so that the pigment and/or the resin particles (emulsion) are suppressed from being incorporated in the spaces between the fibers forming the cloth or in the fibers.
  • the treatment liquid composition according to this embodiment contains a water-soluble resin. Since the water-soluble resin is contained, molecular chains of the water-soluble resin are likely to be entangled with the fibers of the cloth, and in addition, the viscosity of the treatment liquid composition tends to be relatively increased. Accordingly, when the treatment liquid composition is adhered to the cloth, the water-soluble resin has a function to enable the treatment liquid composition to be likely to be retained on the surface of the cloth. In particular, since fibers of a polyester cloth have a low hydrophilic property as compared to that of a cotton cloth, an aqueous treatment liquid composition or an aqueous ink composition is liable to be repelled by the fibers of the polyester cloth. Hence, the treatment liquid composition is not likely to be fixed to the polyester cloth as compared to that of the cotton cloth. However, since containing the water-soluble resin composition, the treatment liquid composition can be more preferably retained on the surface of the cloth.
  • the ink composition in order to improve air permeability, in general, since the polyester cloth is formed with large (loose) stitches, the ink composition is more likely to penetrate in the cloth in some cases.
  • the treatment liquid composition can be preferably retained on the surface of the cloth.
  • the water-soluble resin is dissolved in the ink composition, and the viscosity thereof is increased.
  • the fluidity of the ink composition is degraded, and the ink composition is not likely to penetrate in the cloth and is likely to stay on the surface of the cloth. As a result, the ink composition stays on the surface of the cloth, so that a preferable color development can be obtained.
  • the water-soluble resin for example, there may be mentioned a nonionic resin, an anionic resin, or a cationic resin.
  • the cationic resin may correspond to both the above cationic compound and water-soluble resin.
  • the “water-soluble” indicates a property in which an object material can be dissolved in ion-exchanged water at 20° C. at a concentration of 3 percent by mass or more, and in addition, the object material is dissolved preferably at a concentration of 5 percent by mass or more, more preferably at a concentration of 10 percent by mass or more, and further preferably at a concentration of 25 percent by mass or more.
  • the water-soluble resin at least one selected from a poly(ethylene oxide), a carboxymethyl cellulose, a hydroxyethyl cellulose, and a poly(vinyl pyrrolidone) is preferably contained.
  • a poly(ethylene oxide) and a poly(vinyl pyrrolidone), each of which is a nonionic resin are preferable, and a poly(vinyl pyrrolidone) is more preferable.
  • a poly(vinyl pyrrolidone) is more likely to be dissolved in the ink composition to increase the viscosity thereof and is likely to improve the color development.
  • a poly(vinyl pyrrolidone) has a low spinnability, and hence, a coating property of the treatment liquid composition is likely to be improved.
  • poly(ethylene oxide) As the poly(ethylene oxide) (hereinafter, also referred to as “polyethylene oxide” in some cases), a commercially available product may also be used, and for example, there may be mentioned PEO (registered trademark)-1, 2, 3, 4, 8, 15, 18, 27, or 29 (trade name, available from Sumitomo Seika Chemicals Company, Limited.); or Alkox (registered trademark) L-6, L-8, L-11, E-30, E-45, E-60, E-75, E-100, E-160, E-240, E-300, R-150, R-400, or R-1000 (trade name, available from Meisei Chemical Works, Ltd.).
  • PEO registered trademark-1, 2, 3, 4, 8, 15, 18, 27, or 29
  • Alkox registered trademark
  • L-6, L-8, L-11, E-30, E-45, E-60, E-75, E-100, E-160, E-240, E-300, R-150, R-400, or R-1000 trade name, available from Meise
  • poly(ethylene oxide) is not limited to a homopolymer, and for example, a copolymer of ethylene oxide and another monomer, such as a copolymer of ethylene oxide and propylene oxide, may also be used.
  • the weight average molecular weight of the poly(ethylene oxide) is not particularly limited, a molecular weight of 1,000 to 6,000,000 is preferable, and a molecular weight of 10,000 to 5,500,000 is more preferable. Since the weight average molecular weight is set in the range described above, the viscosity of the treatment liquid is likely to be increased, and in addition, the molecular chains are likely to be entangled with the fibers of the cloth.
  • the weight average molecular weight of the water-soluble resin, such as a poly(ethylene oxide) may be measured by a known method, such as gel filtration chromatography (GFC) or a gel permeation chromatography (GPC).
  • carboxymethyl cellulose a commercially available product may also be used, and for example, there may be mentioned a sodium salt of the carboxymethyl cellulose, such as CMC Daicel (registered trademark) 1120, 1130, 1220, 1240, 1250, or 1330 (trade name, available from Daicel FineChem Ltd.); Cellogen (registered trademark) 5A, 6A, 7A, PL-15, F-5A, F-7A, F-907A, F-815A, or PR-S (trade name, available from DKS Co., Ltd.).
  • CMC Daicel registered trademark
  • Cellogen registered trademark
  • 5A, 6A, 7A, PL-15 F-5A, F-7A, F-907A, F-815A
  • PR-S trade name, available from DKS Co., Ltd.
  • hydroxyethyl cellulose a commercially available product may also be used, and for example, there may be mentioned HEC Daicel (registered trademark) SP200, SP400, SP500, SP600, SP850, SP900, SE400, SE550, SE600, SE850, SE900, or EE820 (trade name, available from Daicel FineChem Ltd.); AL-15, AG-15F, AH-15F, AV-15F, AW-15F, AX-15, SW-25F, SZ-25F, CF-G, CF-V, CF-W, CF-X, or CF-Y (trade name, available from Sumitomo Seika Chemicals Company, Limited.).
  • HEC Daicel registered trademark
  • SP200, SP400, SP500, SP600, SP850, SP900, SE400, SE550, SE600, SE850, SE900, or EE820 trade name, available from Daicel FineChem Ltd.
  • AL-15 AG-15F, AH-15F, AV-15F, AW-15
  • poly(vinyl pyrrolidone) a commercially available product may also be used, and for example, there may be mentioned a commercially available chemical reagent Polyvinylpyrrolidone K-30 or K-30W (trade name, available from Nippon Shokubai Co., Ltd.); PITZCOL (registered trademark) K-17L, K-30, K-30L, K-30AL, K-60L, K-50, or K-90, CREEJUS (registered trademark) K-30, or AIPHTACT (registered trademark) K-30PH (trade name, available from DKS Co., Ltd.); or PVP K-30, PVP K-25, or PVP K-17 (trade name, available from Ashland Inc.).
  • the poly(vinyl pyrrolidone) is not limited to a homopolymer, and a copolymer of vinyl pyrrolidone and another monomer may also be used.
  • the glass transition temperature of the water-soluble resin described above is not particularly limited, the glass transition temperature is preferably ⁇ 80° C. to 0° C. or more preferably ⁇ 80° C. to ⁇ 10° C. Since the glass transition temperature of the water-soluble resin is set in the range described above, in a printed material to which printing is performed, the texture of the substrate can be maintained, and in addition, for example, abrasion fastness can also be improved.
  • water-soluble resin for example, there may also be used a hydroxypropyl methyl cellulose, a cellulose acetate, or a poly(vinyl alcohol).
  • the content of the water-soluble resin with respect to total mass of the treatment liquid composition is preferably 0.3 to 7.0 percent by mass, more preferably 0.5 to 6.0 percent by mass, and further preferably 0.6 to 5.0 percent by mass. Since the content is set in the range described above, the sealing effect of the treatment liquid composition on the cloth can be obtained, and in addition, the chromogenic property of the pigment can be further improved. This effect can be more preferably obtained when a polyester cloth having relatively large stitches is used. In addition, the cloth to which the treatment liquid composition is adhered is suppressed from being hardened, and the texture of the cloth can be maintained.
  • the treatment liquid composition according to this embodiment contains 0.6 to 5.0 percent by mass of a water-soluble resin having a molecular weight of 28,000 to 2,800,000 with respect to the total mass of the treatment liquid composition.
  • the water-soluble resin is likely to be dissolved in the ink composition on the cloth, and in addition, the viscosity of the ink composition is preferably increased.
  • the increase in viscosity thereof the fluidity of the ink composition is degraded, and the ink composition is not likely to penetrate in the cloth and is likely to stay on the surface of the cloth. As a result, the color development of the ink composition can be improved.
  • the molecular weight of the water-soluble resin is preferably 30,000 to 2,700,000 and more preferably 32,000 to 2,600,000. Since the molecular weight range of the water-soluble resin is higher than the lower limit, an effect to preferably increase the viscosity of the ink composition adhered to the cloth can be obtained, and hence, an excellent chromogenic property can be preferably obtained. Since the molecular weight range of the water-soluble resin is lower than the upper limit, the treatment liquid composition has a preferable viscosity, and at a portion to which the treatment liquid composition is adhered, the treatment liquid composition is preferably not likely to generate a scar. In this case, the scar is generated as a coating scar which is observed after the coating due to the different in appearance, such as the change in hue, between the portion to which the treatment liquid composition is adhered and a portion to which no treatment liquid composition is adhered.
  • the treatment liquid composition according to this embodiment preferably contains a water-soluble resin having a molecular weight of 1,000 to 25,000. Since the water-soluble resin as described above is contained, the chromogenic property is further improved. Since the water-soluble resin as described above has a molecular weight smaller than the water-soluble resin having a molecular weight of 28,000 to 2,800,000, although the effect to increase the viscosity of the ink composition is low, this water-soluble resin is rapidly dissolved in the ink composition, and hence, an effect to rapidly increase the viscosity thereof is obtained immediately after the ink composition is adhered.
  • the chromogenic property can be further improved.
  • the content thereof with respect to the total mass of the treatment liquid composition is preferably 0.1 to 5.0 percent by mass, more preferably 0.2 to 4.0 percent by mass, and further preferably 0.5 to 2.0 percent by mass.
  • the molecular weight of the water-soluble resin is a molecular weight measured by the GPC method described above and is a molecular weight with respect to that of a standard product.
  • the measurement of the molecular weight may be performed either on the water-soluble resin itself or on the treatment liquid composition.
  • the components contained in the treatment liquid composition are preferably identified in advance.
  • water-soluble indicates the property described above
  • water-soluble component indicates a component having a water solubility among the components contained in the treatment liquid composition.
  • the water-soluble component is represented by the water-soluble resin described above, the water-soluble component is not limited thereto, and among the cationic compounds, a compound having a water solubility may also be included.
  • the treatment liquid composition according to this embodiment contains water as a primary solvent.
  • This water is a component which is evaporated and removed by drying performed after the treatment liquid is adhered to the substrate, such as the cloth.
  • the water for example, there may be used purified water, such as ion-exchanged water, ultrafiltration water, reverse osmosis water, or distilled water, or water, such as ultrapure water, in which ionic impurities are removed as much as possible.
  • the primary solvent of the treatment liquid composition is not limited to water, and for example, a water-soluble organic solvent may also be used as the primary solvent.
  • the content of the water contained in the treatment liquid composition with respect to the total mass (100 percent by mass) of the treatment liquid composition may be set, for example, to 50 percent by mass or more, and is preferably 60 to 99 percent by mass, more preferably 70 to 98 percent by mass, and further preferably 80 to 95 percent by mass. Since the content of the water is set in the range described above, the increase in viscosity of the treatment liquid composition is suppressed, and in addition, the workability obtained when the treatment liquid composition is adhered to the cloth and the drying property obtained after the treatment liquid composition is adhered thereto can be improved.
  • the water of the treatment liquid includes water which is used as a raw material of the treatment liquid, such as water blended in a resin emulsion which will be described later.
  • the treatment liquid composition according to this embodiment preferably contains a water repellant.
  • the water repellant indicates an additive which is used to impart a repellent property to a cloth surface to which the treatment liquid composition is adhered.
  • the treatment liquid composition contains a water repellant, since the repellent property can be imparted to the cloth surface to which the treatment liquid composition is adhered, an ink composition containing water as a primary solvent is likely to stay on the surface of the cloth, and hence, the chromogenic property can be improved.
  • the ink composition when the water repellant is used together with the water-soluble resin described above, during a period immediately after the ink composition is adhered to the generation of the sealing effect by the increase in viscosity of the water-soluble resin, the ink composition can be allowed to stay on the cloth surface, and hence, the chromogenic property can be further improved.
  • the water repellant is a compound having a hydrophilic portion and a hydrophobic portion and may be in the form of particles, and by the use of the water repellant as described above, the water repellant is selectively oriented on the surface of a coating film, so that various functions, such as a water repellent property and a slip property, can be obtained.
  • the water repellant as described above is not particularly limited, and for example, there may be mentioned calcium stearate, ammonium stearate, a silicone-based water repellant, a fluorine-based water repellant, a polyethylene wax, a paraffin wax, a carnauba wax, or a polyethylene-paraffin wax. Those water repellants mentioned above may be used alone, or at least two types thereof may be used in combination.
  • the water repellant is preferably at least one selected from a fluorine-based water repellant, a silicone-based water repellant, and a paraffin wax resin.
  • the water repellant may be in the form of an oxide or in the form of a derivative incorporating a functional group, such as a carboxyl group.
  • the water repellant is preferably in the form of resin particles (emulsion).
  • emulsion As the type of emulsion, for example, an emulsion polymerization type, a forced emulsion type, and a self emulsion type may be mentioned.
  • the water repellant is in the form of resin particles, for example, since the viscosity is decreased, a film forming property is improved, and even when the water repellant is added to the treatment liquid composition at a low concentration, the uniformity in an adhesion surface is improved. In addition, the water repellant is not likely to be dissolved in the ink composition, and hence, a preferable repellent property is likely to be obtained.
  • the water repellant is preferably a resin having a melting point of 150° C. or less, more preferably a resin having melting point 100° C. or less, and further preferably a resin having a melting point of 70° C. to 100° C. Since the melting point of the water repellant is 150° C. or less, the film forming property obtained when the treatment liquid composition is adhered to the cloth is preferable, and even when the water repellant is added to the treatment liquid composition at a low concentration, the uniformity in the adhesion surface is improved. In addition, since the melting point of the water repellant is 70° C. or more, the water repellant is not likely to be dissolved in the ink composition, and hence, a preferable repellent property is likely to be obtained.
  • water repellant As the water repellant described above, a commercially available product may also be used, and for example, there may be mentioned AQUACER (registered trademark) 497, 537, or 539 (trade name, manufactured by BYK Japan KK, paraffin wax); SFCOAT (registered trademark) SWK-601 (trade name, manufactured by AGC SEIMI CHEMICAL CO., LTD., fluorine-based water repellant).
  • AQUACER registered trademark
  • SWK-601 trade name, manufactured by AGC SEIMI CHEMICAL CO., LTD., fluorine-based water repellant.
  • the content of the water repellant with respect to the total mass of the treatment liquid composition is preferably 0.01 to 5.0 percent by mass, more preferably 0.01 to 0.30 percent by mass, and further preferably 0.05 to 0.10 percent by mass. Since the content of the water repellant is 0.01 percent by mass or more, the chromogenic property of the ink composition can be further improved, and since the content of the water repellant is 5 percent by mass or less, the granularity of the image can be reduced, and the irregularity of color development of the image can be reduced.
  • the treatment liquid composition according to this embodiment preferably contains resin particles.
  • the resin particles are preferably resin particles different from those of the water repellant, and as a material forming the resin particles, an urethane-based resin, a vinyl acetate-based resin, an acrylic-based resin, a styrene-acrylic-based resin, or a polyester-based resin is preferable, and at least one of those mentioned above is preferably used.
  • the resin particles fixability of the colorant (pigment) contained in the ink composition to the cloth can be further improved.
  • the resin particles may also be used as a sealing agent which suppresses the treatment liquid composition and/or the ink composition from excessively penetrating (infiltrating) in the cloth.
  • the resin particles may be used as a resin emulsion in which the resin particles are dispersed in an aqueous solvent.
  • a forced emulsion type using an emulsifier (surfactant) or a self emulsion type incorporating a hydrophilic portion (hydrophilic group) in a molecular structure of the resin particles may be used.
  • the resin particles may have a reactivity (cross-linking reactivity), and for example, resin particles having an isocyanate group masked by a blocking agent in the molecular structure may also be used.
  • the average particle diameter of the resin particles is preferably 30 to 300 nm and more preferably 40 to 100 nm.
  • the average particle diameter indicates a volume-basis particle size distribution (50%) unless otherwise particularly noted.
  • the average particle diameter is measured by a dynamic light scattering method or a laser diffraction method described in JIS 28825.
  • a particle size distribution meter such as “Microtrac UPA” available from Nikkiso Co., Ltd.
  • a dynamic light scattering method as a measurement principle may be used.
  • urethane-based resin emulsion for example, there may be mentioned Superflex (registered trademark) 150, 420, 460, 470, 500, 610, 700, 800, 870, 6E-2000, E-2500, E-4000, or R-5000 (trade name, available from DKS Co., Ltd.); Adeka Bontaita (registered trademark) HUX-290K, 380, 822, or 830 (trade name, available from ADEKA Corporation); Takelac (registered trademark) W-6020, 6021, 6061, 605, 635, or WS-6021 (trade name, available from Mitsui Chemicals Polyurethanes, Inc.); Permarin (registered trademark) UA-150 (trade name, available from Sanyo Chemical Industries, Ltd.); Suncure (registered trademark) 2710 (trade name, available from Nippon Lubrizol); or NeoRez (registere
  • vinyl acetate-based resin emulsion for example, there may be mentioned Vinyblan (registered trademark) 1245L (trade name, available from Nisshin Chemical Industry Co., Ltd.); Polysol (registered trademark) SH-502, AD-2, 10, 13, 17, 70, or 96 (trade name, available from Showa Denko K.K.); or Seikadyne (registered trademark) 1900W (trade name, available from Dainichiseika Color & Chemicals Mfg. Co., Ltd.).
  • the acrylic-based resin emulsion for example, there may be mentioned Voncoat (registered trademark) AN-402, R-3310, R-3360, or 4001 (trade name, available from DIC Corporation); Polysol (registered trademark) AM-710, 920, 2300, AP-4735, AT-860, or PSASE-4210E (trade name, Showa Denko K.K.); Saivinol (registered trademark) SK-200 (trade name, available from Saiden Chemical Industry Co., Ltd.); AE-120A (trade name, available from JSR Corporation); Vinyblan (registered trademark) 2650, 2680, 2682, 2684, 2886, or 5202 (trade name, available from Nisshin Chemical Industry Co., Ltd.); or NK-Binder R-5HN (trade name, available from Shin Nakamura Chemical Co., Ltd.).
  • styrene-acrylic-based resin emulsion for example, there may be mentioned Microgel (registered trademark) E-1002 or 5002 (trade name, available from Nippon Paint Co., Ltd.); Voncoat (registered trademark) 5454 (trade name, available from DIC Corporation); Polysol (registered trademark) AP-7020 (trade name, available from Showa Denko K.K.); SAE1014 (trade name, available from Zeon Corporation); AE373D (trade name, available from Emulsion Technology Co., Ltd.); Joncryl (registered trademark) 390, 450, 511, 631, 632, 711, 734, 741, 775, 780, 790, 840, 852, 1535, 7001, 7100, 7600, 7610, 7640, 7641, 74J, 352D, 352J, 537J, 538J, HRC-1645J, PDX-7145, or 7630A (trade name, available from BASF); Moviny
  • polyester-based resin emulsion for example, there may be mentioned Elytel (registered trademark) KA-50715, KT-8701, 8803, 8904, 9204, or 0507 (trade name, available from Unitika Ltd.); or Hytec SN-2002 (trade name, available from Toho Chemical Industry Co., Ltd.).
  • Elytel registered trademark
  • KA-50715, KT-8701, 8803, 8904, 9204, or 0507 trade name, available from Unitika Ltd.
  • Hytec SN-2002 trade name, available from Toho Chemical Industry Co., Ltd.
  • a nonionic or a cationic resin emulsion is more preferably used.
  • the content (content of the resin emulsion based on a solid component) with respect to the total mass of the treatment liquid composition is preferably 0.1 to 20.0 percent by mass, more preferably 0.1 to 7.0 percent by mass, and further preferably 0.5 to 1.0 percent by mass. Since the content of the resin particles based on the solid component is set in the range described above, while the degradation in storage stability and the increase in viscosity of the treatment liquid composition are suppressed, washing fastness, abrasion fastness, and the like of the printed material can be improved.
  • a surfactant may be further added.
  • the surfactant has a function to decrease the surface tension of the treatment liquid composition and to increase a penetration property in the cloth.
  • a nonionic surfactant for example, there may be mentioned a nonionic surfactant, an anionic surfactant, a cationic surfactant, or an ampholytic surfactant, and at least one of those surfactants may be used.
  • a nonionic surfactant is preferably used since the function of the above cationic compound is not likely to be disturbed.
  • the content of the surfactant with respect to the total mass of the treatment liquid composition is preferably 2.0 percent by mass or less, more preferably 1.5 percent by mass or less, and further preferably 1.1 percent by mass or less. Since the content of the surfactant is set in the range described above, the surface tension of the treatment liquid composition is suppressed from being excessively decreased, and when the treatment liquid composition is adhered to the cloth, the treatment liquid composition is likely to be retained on the surface of the cloth. Accordingly, the function of the treatment liquid composition can be easily obtained.
  • the lower limit of the content of the surfactant with respect to the total mass of the treatment liquid composition is preferably 0.01 percent by mass or more, more preferably 0.05 percent by mass or more, and further preferably 0.07 percent by mass or more. Since the content of the surfactant is set in the range described above, when the treatment liquid composition is adhered to the cloth, the wettability to the cloth can be improved.
  • fluorine-based surfactant a commercially available product may be used, and for example, there may be mentioned Megafac (registered trademark) F-479 (trade name, available from DIC Corporation) or BYK-340 (trade name, available from BYK Japan KK).
  • the silicone-based surfactant is not particularly limited, a polysiloxane-based compound may be used.
  • the polysiloxane-based compound is not particularly limited, and for example, a polyether modified organosiloxane may be mentioned.
  • a commercially available product of the polyether modified organosiloxane for example, there may be mentioned BYK-302, 306, 307, 333, 341, 345, 346, 347, or 348 (trade name, available from BYK Japan KK); or KF-351A, 352A, 353, 354L, 355A, 615A, 945, 640, 642, 643, 6020, 6011, 6012, 6015, 6017, or X-22-4515 (trade name, available from Shin-Etsu Chemical Co., Ltd.).
  • anionic surfactant for example, there may be mentioned a higher fatty acid salt, a soap, an ⁇ -sulfo fatty acid methyl ester salt, an alkylbenzene sulfonate, an alkyl sulfate ester salt, an alkyl ether sulfate ester salt, a monoalkyl phosphate ester salt, an ⁇ -olefin sulfonate, an alkylene naphthalene sulfonate, a naphthalene sulfonate, an alkane sulfonate, a polyoxyethylene alkyl ether sulfate, a sulfosuccinate, a polyoxyalkylene glycol alkyl ether phosphate ester salt.
  • a quaternary ammonium salt such as an alkyltrimethylammonium salt, a dialkyldimethylammonium salt, or an alkyldimethylbenzylammonium salt
  • an amine salt compound such as a N-methylbishydroxyethylamine fatty acid ester hydrochloride.
  • the cationic surfactant the cationic compound described above may also be used.
  • ampholytic surfactant is not particularly limited, and for example, an amino acid compound, such as an alkylamino fatty acid salt, may be mentioned.
  • a polyoxyalkylene-based compound having the structure represented by the following formula (1) is preferably contained.
  • R 4 represents a substituted or an unsubstituted hydrocarbon group having 16 carbon atoms or more
  • X represents a polyoxyethylene skeleton or a polyoxypropylene skeleton.
  • R 4 represents a substituted or an unsubstituted hydrocarbon group having 16 carbon atoms or more
  • R 5 and R 6 each independently represents hydrogen or a methyl group
  • one of R 5 and R 6 represents hydrogen
  • m represents an integer of 2 to 20.
  • one end terminal of a condensed chain of ethylene oxides or propylene oxides is a monoalkyl ether, and the other end terminal thereof is a hydroxide group.
  • the condensed chain portion primarily has a hydrophilic property
  • the alkyl group (R 4 ) of the alkyl ether portion primarily has a hydrophobic property. Accordingly, this compound is able to have an activity as an emulsifier.
  • R 4 since R 4 has 16 carbon atoms or more, a sufficient hydrophobic property is obtained, and hence, it is believed that this compound is able to function as an emulsifier.
  • R 4 more preferably has 18 carbon atoms or more. The upper limit of the number of carbon atoms is preferably 20 or less.
  • the compound represented by the formula (1) stabilizes the dispersion system in the ink and preferably suppresses the reactivity with the cationic compound.
  • a polyoxyethylene stearyl ether As an example of the compound represented by the formula (1), for example, there may be mentioned a polyoxyethylene stearyl ether, a polyoxyethylene oleyl ether, or a polyoxyethylene lauryl ether.
  • Emulgen 350 or Emulgen 420 (manufactured by Kao Corporation); or Newcol 1860, Newcol 1210, or Newcol 1204 (manufactured by Nippon Nyukazai Co., Ltd.).
  • a polyoxyethylene oleyl ether is preferably used as the nonionic surfactant.
  • an HLB Hydrophilic-Lipophilic Balance
  • the HLB value thereof is preferably 12 or more, more preferably 13 or more, and further preferably 15 or more.
  • the HLB value is an HLB value defined by Griffin's method.
  • Emulgen 350 polyoxyethylene stearyl ether, the carbon number of R 4 of the formula (1) is 18, the HLB value is 17.8
  • Emulgen 420 polyoxyethylene oleyl ether, the carbon number of R 4 of the formula (1) is 18, the HLB value is 13.6
  • Newcol 1860 polyoxyethylene stearyl ether, the carbon number of R 4 of the formula (1) is 18, the HLB value is 18.1
  • Newcol 1210 polyoxyethylene oleyl ether, the carbon number of R 4 of the formula (1) is 18, the HLB value is 12.4
  • Newcol 1204 polyoxyethylene oleyl ether, the carbon number of R 4 of the formula (1) is 18, the HLB value is 7.9).
  • nonionic surfactant for example, an acetylene glycol-based surfactant, a fluorine-based surfactant, or a silicone-based surfactant may also be used.
  • the acetylene glycol-based surfactant is not particularly limited, and for example, there may be mentioned 2,4,7,9-tetramethyl-5-decyne-4,7-diol, an alkylene oxide adduct of 2,4,7,9-tetramethyl-5-decyne-4,7-diol, 2,4-dimethyl-5-decyne-4-ol, an alkylene oxide adduct of 2,4-dimethyl-5-decyne-4-ol, or an alkylene oxide adduct of 3,6-dimethyl-4-octyne-3,6-diol, 3,5-dimethyl-1-hexyne-3-ol, or 2,4-dimethyl-5-hexyne-3-ol.
  • acetylene glycol-based surfactant As the acetylene glycol-based surfactant described above, a commercially available product may also be used. For example, there may be mentioned Surfynol (registered trademark) 104, 104E, 104H, 104A, 104BC, 104DPM, 104PA, 104PG-50, 104S, 420, 440, 465, 485, SE, SE-F, 504, 61, DF37, CT111, CT121, CT131, CT136, TG, GA, or DF110D (trade name, available from Air Products and Chemicals, Inc.); Olfine (registered trademark) B, Y, P, A, STG, SPC, E1004, E1010, PD-001, PD-002W, PD-003, PD-004, EXP.4001, EXP.4036, EXP.4051, AF-103, AF-104, AK-02, SK-14, or AE-3 (
  • the surfactants mentioned above may be used alone, or at least two types thereof may be used in combination.
  • a surfactant having an HLB (Hydrophilic-Lipophilic Balance) of 13 or more is preferably used. Accordingly, when the treatment liquid composition is adhered, the penetration and the wet spreading thereof with respect to the cloth can be adjusted.
  • the nonionic surfactant is preferably used. Since having a nonionic property, the function of the cationic compound described above is not disturbed.
  • various additives such as a pH adjuster, an antiseptic agent, a fungicide, an antioxidant, and a chelating agent, and various organic solvents may be added.
  • the pH adjuster is not particularly limited, and for example, there may be mentioned an organic base or an inorganic base.
  • an organic base for example, an alkanolamine, such as triethanolamine, diethanolamine, monoethanolamine, or tri-iso-propanolamine, may be mentioned.
  • an inorganic base for example, a strong base, which is a hydroxide of an alkali metal or an alkaline earth metal, such as lithium hydroxide, potassium hydroxide, or calcium hydroxide, may be mentioned.
  • antiseptic agent and the fungicide for example, there may be mentioned sodium benzoate, sodium pentachlorophenate, sodium 2-pyridinethiol-1-oxide, sodium sorbate, sodium dehydroacetate, or 1,2-dibenzisothiazoline-3-one (PROXEL CRL, PROXEL BDN, PROXEL GXL, PROXEL XL-2, or PROXEL TN, trade name of Lonza). Since the antiseptic agent and/or the fungicide is added to the treatment liquid composition, bacteria and/or fungi can be suppressed from being bred in the treatment liquid composition.
  • the organic solvent may be added to adjust the physical properties, such as the viscosity and the surface tension, of the treatment liquid and the drying property of the treatment liquid composition.
  • an organic solvent to be used for the ink composition described below may be used.
  • the treatment liquid composition may be prepared in such a way that after the individual components described above are mixed together in an arbitrary order, if needed, the mixture thus obtained is filtrated to remove impurities and foreign materials.
  • a method for mixing the individual components there may be used a method in which the materials (components) are sequentially charged in a container equipped with a stirring device, such as a mechanical stirrer or a magnetic stirrer, followed by stirring and mixing.
  • a stirring device such as a mechanical stirrer or a magnetic stirrer
  • filtration method for example, centrifugal filtration or filter filtration may be used.
  • the physical properties of the treatment liquid composition are arbitrarily adjusted in accordance with the type of cloth, the method (coating method) to adhere the treatment liquid composition to the cloth, and the like.
  • the method for coating the treatment liquid composition will be described below.
  • the viscosity of the treatment liquid at 20° C. is not particularly limited, and for example, the viscosity thereof is set to preferably 0.5 to 100 mPa ⁇ s (millipascal ⁇ second), more preferably 1 to 50 mPa ⁇ s, and further preferably 1.5 to mPa ⁇ s. Since the viscosity of the treatment liquid composition is set in the range described above, when the treatment liquid composition is adhered to the cloth, the coating property, such as the spreadability, of the treatment liquid can be improved.
  • the viscosity of the treatment liquid at 20° C. is set to preferably 0.5 to 15 mPa ⁇ s, more preferably 1 to 5 mPa ⁇ s, and further preferably 1.5 to 3.6 mPa ⁇ s. Since the viscosity of the treatment liquid composition for the ink jet method is set in the range described above, an ejection stability of the treatment liquid ejected from an ink jet head is improved, and in addition, the time of a step of adhering the treatment liquid can be decreased.
  • the viscosity of the treatment liquid composition is measured, for example, using a viscoelastic tester MCR-301 (manufactured by Anton Paar).
  • the measurement may be performed in such a way that the temperature of the treatment liquid is controlled at 20° C., the shear rate is increased from 0.01 s ⁇ 1 to 1.00 s ⁇ 1 , and the viscosity at a shear rate of 0.10 s ⁇ 1 is read.
  • the surface tension of the treatment liquid composition at 25° C. is, for example, set to preferably 30 to 60 mN/m and more preferably 35 to 50 mN/m. Since the surface tension of the treatment liquid composition at 25° C. is set in the range described above, when the treatment liquid composition is adhered to the cloth, the wettability to the cloth is improved, and in addition, the treatment liquid composition can be likely to be retained on the surface of the cloth.
  • the surface tension of the treatment liquid may be measured, for example, using an automatic surface tension meter CBVP-Z (available from Kyowa Interface Science Co., Ltd.). In particular, the measurement may be performed in such a way that in an environment at 25° C., the surface tension is read when a platinum plate is wetted with the treatment liquid.
  • CBVP-Z available from Kyowa Interface Science Co., Ltd.
  • the molecular weight distribution of the water-soluble component contained in the treatment liquid composition according to this embodiment has a maximum peak in a molecular weight range of 28,000 to 2,800,000. Accordingly, the water-soluble component is likely to be dissolved in the ink composition on the cloth, and in addition, the viscosity of the ink composition is preferably increased. By the increase in viscosity, since the fluidity of the ink composition is degraded, the ink composition is not likely to penetrate in the cloth and is likely to stay on the surface thereof. As a result, a preferable color development can be obtained by the ink composition.
  • the molecular weight distribution of the water-soluble component preferably has a maximum peak in a molecular weight range of 30,000 to 2,700,000 and more preferably has a maximum peak in a molecular weight range of 32,000 to 2,600,000. Since the molecular weight of the water-soluble component is higher than the lower limit, an effect to preferably increase the viscosity of the ink composition is obtained, and an excellent chromogenic property can be preferably obtained. Since the molecular weight of the water-soluble component is lower than the upper limit, the viscosity of the treatment liquid composition is preferable, and a coating scar of the treatment liquid composition is preferably not likely to be generated at a portion to which the treatment liquid composition is adhered.
  • the molecular weight distribution of the water-soluble component contained in the treatment liquid composition according to this embodiment also preferably has a maximum peak in a molecular weight range of 1,000 to 25,000, and the ratio of a peak area of a molecular weight of 28,000 to 2,800,000 to a peak area of a molecular weight of 1,000 to 25,000 is preferably 1:5 to 5:1. Accordingly, the chromogenic property is further improved.
  • the viscosity of the treatment liquid composition is preferable.
  • the rate of dissolution of the treatment liquid composition in the ink composition and the viscosity thereof after the dissolution are preferable, and hence, a preferable chromogenic property can be obtained.
  • the molecular weight distribution preferably has a maximum peak in a molecular weight range of 1,200 to 22,000 and more preferably has a maximum peak in a molecular weight range of 1,500 to 21,000.
  • the ratio of the peak area having a molecular weight of 28,000 to U.S. Pat. No. 2,800,000 to the peak area having a molecular weight of 1,000 to 25,000 is more preferably 1:4 to 4:1 and further preferably 1:3 to 3:1.
  • the presence or absence of the maximum peak and the peak area may be obtained by the GPC method described above (also called a size-exclusion chromatography (SEC) method).
  • the ink composition according to this embodiment is preferably an aqueous pigment ink for ink jet printing. Since the number of types of cloths to which the pigment ink can be applied is large, the pigment ink is more preferable than a dye ink. On the other hand, since penetrating in the cloth, the pigment ink is not likely to obtain the chromogenic property in some cases; however, when the treatment liquid composition of the present disclosure is used, the chromogenic property can be improved.
  • a printing method since ink jet printing by an ink jet method is used, compared to related analog printing, for example, a highly fine image can be manufactured while the manufacturing cost thereof is reduced.
  • the ink composition to be used in this embodiment is a pigment-printing ink jet ink composition (hereinafter, simply referred to as “ink composition” in some cases) which contains a pigment, resin particles, and water.
  • the ink composition used in this embodiment may form a set together with the treatment liquid composition according to this embodiment described above.
  • a white ink (white pigment-printing ink jet ink composition) containing a white pigment as the pigment is preferably included.
  • a color ink (color pigment-printing ink jet ink composition) containing a color pigment is preferably contained.
  • dual-layer printing in which color printing is performed on a white underlayer can be performed.
  • the ink composition according to this embodiment uses a pigment as a colorant. Since the pigment is used as the colorant, compared to the case in which a dye is used, steps, such as a dyeing step and a washing step, can be simplified.
  • organic pigments and inorganic pigments may be used.
  • organic pigment for example, there may be mentioned an azo pigment, such as an azo lake pigment, an insoluble azo pigment, a condensed azo pigment, or a chelate azo pigment; a polycyclic pigment, such as a phthalocyanine pigment, a perylene pigment, a perinone pigment, an anthraquinone pigment, a quinacridone pigment, a dioxazine pigment, a thioindigo pigment, an isoindolinone pigment, an isoindoline pigment, a quinophthalone pigment, or diketopyrrolopyrrole pigment; a dye chelate pigment, such as a basic dye lake or an acidic dye lake; a nitro pigment, a nitroso pigment, an aniline black, or a daylight fluorescent pigment.
  • azo pigment such as an azo lake pigment, an insoluble azo pigment, a condensed azo pigment, or a chelate
  • the inorganic pigment for example, there may be mentioned a metal oxide pigment, such as titanium dioxide, zinc oxide, or chromium oxide, or a carbon black.
  • a glitter pigment such as a pearl pigment or a metallic pigment, may also be used.
  • pigments mentioned above for example, as a pigment for black pigment ink, C.I. (Colour Index Generic Name) Pigment Black 1, 7, or 11 may be mentioned.
  • a carbon black base (C.I. Pigment Black 7) which has a relatively low specific gravity and which is not likely to precipitate in an aqueous medium is preferable.
  • color pigment ink for example, there may be mentioned C.I. Pigment Yellow 1, 3, 12, 13, 14, 17, 24, 34, 35, 37, 42, 53, 55, 74, 81, 83, 95, 97, 98, 100, 101, 104, 108, 109, 110, 117, 120, 138, 153, 155, or 180; C.I.
  • Pigment Red 1, 2, 3, 5, 17, 22, 23, 31, 38 48:2 (Permanent Red 2B (Ba)), 48:2 (Permanent Red 2B (Ca)), 48:3, 48:4, 49:1, 52:2, 53:1, 57:1, 60:1, 63:1, 63:2, 64:1, 81, 83, 88, 101, 104, 105, 106, 108, 112, 114, 122, 123, 146, 149, 166, 168, 170, 172, 177, 178, 179, 185, 190, 193, 209, or 219; C.I. Pigment Violet 19 or 23; C.I.
  • the average particle diameter of the pigment mentioned above is preferably 5 ⁇ m or less, more preferably 0.3 ⁇ m or less, and further preferably in a range of 0.01 to 0.15 ⁇ m. Since the average particle diameter of the pigment is set in the range described above, the ejection stability of the ink composition ejected from the ink jet head can be secured, and in addition, the chromogenic property of the pigment in the printed material can be improved.
  • the treatment liquid composition according to this embodiment is more preferably used to print a white ink containing a white pigment.
  • a white ink is first printed to form an underlayer. This method is performed in order to suppress the influence of the color (color of the substrate) of the cloth on a color image to be printed and to improve the color development thereof.
  • C.I. Pigment White 1 basic lead carbonate
  • 4 zinc oxide
  • 5 mixture of zinc sulfide and barium sulfate
  • 6 titanium dioxide
  • 6:1 titanium dioxide containing another metal oxide
  • 7 zinc sulfide
  • 18 calcium carbonate
  • 19 clay
  • 20 mica titanium
  • 21 barium sulfate
  • plaster magnesium oxide.silicon dioxide
  • 27 silicon dioxide
  • 28 anhydrous calcium silicate
  • the average particle diameter of the white pigment is preferably 100 to 450 more preferably 200 to 400 and further preferably 250 to 380 ⁇ m. Since the average particle diameter of the white pigment is set in the range described above, the ejection stability of the white ink ejected from the ink jet head can be secured, and in addition, the shielding property for the color of the cloth substrate can be improved.
  • the average particle diameter of the pigment For the measurement of the average particle diameter of the pigment, a method similar to that of the average particle diameter of the resin particles described above may also be used.
  • the content thereof is not particularly limited, and for example, the content with respect to the total mass of the pigment ink is preferably set to 0.1 to 50.0 percent by mass, more preferably set to 1.0 to 20.0 percent by mass, and further preferably set to 1.0 to 15.0 percent by mass. Since the content of the pigment is set in the range described above, in the printed material in which printing is performed, the chromogenic property of the pigment can be secured, and in addition, the increase in viscosity of the ink composition and the generation of clogging in the ink jet head can be suppressed.
  • the pigments mentioned above may be used alone, or at least two types thereof may be used in combination.
  • a surface treatment is preferably performed on the pigment, or a dispersant is preferably blended in the ink composition.
  • the surface treatment of the pigment is a method in which by a physical treatment or a chemical treatment, a hydrophilic group, such as a carboxyl group or a sulfo group, is incorporated on the particle surface of the pigment.
  • a hydrophilic group such as a carboxyl group or a sulfo group
  • the dispersant used for the aqueous medium has a function in which a hydrophobic portion (hydrophobic group) in the molecular structure is adsorbed on the particle surface of the pigment and a hydrophilic portion (hydrophilic group) is oriented at a medium side.
  • the pigment can be dispersed in the aqueous medium.
  • known surfactants and high molecular weight materials may be used.
  • a method in which the dispersibility is imparted by covering the pigment particles with a high molecular weight compound may also be used.
  • a method for covering the pigment particles for example, an acid deposition method, a phase transfer emulsification method, or a mini-emulsion polymerization method may be used.
  • the ink composition used in this embodiment is preferably an aqueous ink.
  • water is a primary solvent of the ink composition according to this embodiment.
  • water is evaporated and removed from the cloth by drying.
  • water water similar to that used for the treatment liquid composition described above may also be used.
  • the content of the water contained in the ink composition with respect to the total mass of the ink composition is, for example, 30 to 90 percent by mass, preferably 40 to 85 percent by mass, and more preferably 50 to 80 percent by mass. Since the content of the water is set in the range described above, the increase in viscosity of the ink composition can be suppressed.
  • the “aqueous ink” indicates an ink composition, the water content of which is 30 percent by mass or more with respect to the total mass of the ink composition.
  • an organic solvent may be added to the ink composition.
  • the organic solvent for example, there may be mentioned a 2-pyrrolidone, a 1,2-alkanediol, a polyvalent alcohol, or a glycol ether.
  • Those organic solvents may be used alone, or at least two types thereof may be used in combination.
  • the 2-pyrrolidone indicates a compound having a 2-pyrrolidone skeleton.
  • the 2-pyrrolidone for example, besides a 2-pyrrolidone having no substituent, a compound having a substituent, such as N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, or N-vinyl-2-pyrrolidone, may be mentioned.
  • the substituent in the 2-pyrrolidoen skeleton an organic group, such as a saturated or an unsaturated hydrocarbon group, having 1 to 5 carbon atoms is preferable.
  • 2-pyrrolidone which has an excellent storage stability of the ink composition and an excellent effect to suppress the generation of aggregates, is more preferably used.
  • 1,2-alkanediol for example, there may be mentioned 1,2-propanediol, 1,2-butanediol, 1,2-pentanediol, 1,2-hexanediol, or 1,2-octanediol.
  • the 1,2-alkanediol improves the wettability of the ink composition to the cloth and has an excellent function to uniformly wet the cloth. Hence, an image suppressing the generation of blurring can be formed.
  • the content of the 1,2-alkanediol to be added is preferably 1 to 20 percent by mass with respect to the total mass of the ink composition.
  • polyvalent alcohol for example, there may be mentioned ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, 1,3-propanediol, 1,3-butanediol, 1,3-pentanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 2,3-butanediol, 3-methyl-1,3-propanediol, 3-methyl-1,5-pentanediol, 2-methyl-1,3-propanediol, 2,2-dimethyl-1,3-propanediol, 2-methyl-2,4-pentanediol, or glycerin.
  • the content of the polyvalent alcohol is preferably 2 to 20 percent by mass with respect to the total mass of the ink composition.
  • a solid polyvalent alcohol at 20° C. also has a function similar to that of the polyvalent alcohol used as the organic solvent and may also be used in a manner similar to that described above.
  • the solid polyvalent alcohol at 20° C. for example, trimethylol propane may be mentioned.
  • glycol ether for example, an alkylene glycol monoether or an alkylene glycol diether may be mentioned.
  • alkylene glycol monoether for example, there may be mentioned ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monoisopropyl ether, ethylene glycol monobutyl ether, ethylene glycol monohexyl ether, ethylene glycol monophenyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, diethylene glycol monohexyl ether, triethylene glycol monomethyl ether, triethylene glycol monoethyl ether, triethylene glycol monobutyl ether (butyl triglycol), tetraethylene glycol monomethyl ether, tetraethylene glycol monoethyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, dipropylene glycol monomethyl ether, or dipropylene glycol monoethyl ether.
  • alkylene glycol diether for example, there may be mentioned ethylene glycol dimethyl ether, ethylene glycol diethyl ether, ethylene glycol dibutyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol methyl ethyl ether, diethylene glycol dibutyl ether, diethylene glycol butyl methyl ether, triethylene glycol dimethyl ether, triethylene glycol diethyl ether, triethylene glycol dibutyl ether, triethylene glycol butyl methyl ether, tetraethylene glycol dimethyl ether, tetraethylene glycol diethyl ether, tetraethylene glycol dibutyl ether, propylene glycol dimethyl ether, propylene glycol diethyl ether, dipropylene glycol dimethyl ether, or dipropylene glycol diethyl ether.
  • the wettability and the penetration rate to the cloth may be adjusted.
  • the content of the glycol ether added to the ink composition is preferably 0.05 to 6 percent by mass with respect to the total mass of the ink composition.
  • the content of the total of the organic solvents in the ink composition is, with respect to the total mass of the ink composition, preferably 0.2 to 30 percent by mass, preferably 0.4 to 20 percent by mass, more preferably 0.5 to 15 percent by mass, and further preferably 0.7 to 10 percent by mass. Since the content of the total of the organic solvents is set in the range described above, the suppression of the increase in viscosity of the ink composition, the adjustment of behaviors (penetration and wet spreading) in the cloth, and the reduction in ejection defects of the ink jet head can be performed.
  • a surfactant may also be added.
  • the surfactant has a function to decrease the surface tension of the ink composition and to increase the penetration property in a polyester cloth.
  • a nonionic surfactant for example, a nonionic surfactant, an anionic surfactant, a cationic surfactant, or an ampholytic surfactant may be mentioned, and at least one of those surfactants may be used.
  • a surfactant similar to that used for the treatment liquid composition described above may be used.
  • the content of the surfactant added to the ink composition with respect to the total mass of the ink composition is 0.01 to 3.00 percent by mass, preferably 0.05 to 2.00 percent by mass, more preferably 0.10 to 1.00 percent by mass, and further preferably 0.20 to 0.50 percent by mass. Since the content of the surfactant is set in the range described above, the ejection stability from the ink jet head is secured while foaming is suppressed, and in addition, the ink composition is likely to be brought into contact with the components of the treatment liquid composition adhered to the cloth, so that, for example, the function of the treatment liquid composition to aggregate the ink composition is enhanced.
  • a chelating agent may also be added.
  • the chelating agent has a function to trap metal ions and the like. Hence, when the chelating agent is used for the ink composition, metals ions contained in the ink composition as impurities or mixed in from a member in contact with the ink composition are trapped, and hence, the generation of foreign materials derived from the metal ions can be reduced.
  • the chelating agent for example, there may be mentioned an ethylenediaminetetraacetatic acid (EDTA) salt, a nitrilotriacetate, a hexametaphosphate, a pyrophosphate, or a metaphosphate.
  • EDTA ethylenediaminetetraacetatic acid
  • a pH adjuster may also be added.
  • the pH adjuster is not particularly limited, and for example, an organic base or an inorganic base may be mentioned.
  • the pH of the ink composition is preferably adjusted in a pH range of 7.5 to 10.5. Since the pH of the ink composition is set in the range described above, for example, in an ink jet printing apparatus including an ink jet head, a member, such as an ink repellent film, is suppressed from being corroded.
  • an alkanolamine such as triethanolamine, diethanolamine, monoethanolamine, or tri-iso-propanolamine
  • the pH of the ink composition is set in the range described above by using at least one of those organic bases, a relatively large amount of the pH adjuster is required.
  • the content thereof with respect to the total mass of the ink composition is approximately 0.1 to 3 percent by mass.
  • the inorganic base for example, a strong base, which is a hydroxide of an alkali metal or an alkaline earth metal, such as lithium hydroxide, potassium hydroxide, or calcium hydroxide, may be used.
  • a strong base which is a hydroxide of an alkali metal or an alkaline earth metal, such as lithium hydroxide, potassium hydroxide, or calcium hydroxide.
  • the pH of the ink composition is set in the range described above by using at least one of those inorganic bases, for example, the content thereof with respect to the total mass of the ink composition may be set to approximately 0.03 to 0.15 percent by mass.
  • the inorganic base is preferably used.
  • the ink composition preferably contains resin particles. Since the resin particles are contained, the washing fastness and the abrasion fastness of the printed material are further improved. As the resin particles, a resin emulsion similar to that used for the treatment liquid composition described above may also be used.
  • the content of the resin particles with respect to the total mass of the ink composition is preferably 2 to 40 percent by mass on a solid component basis, more preferably 4 to 35 percent by mass, and further preferably 5 to 33 percent by mass. Since the content of the resin particles is set in the range described above, the generation of clogging of the nozzle of the ink jet head is reduced, and in addition, the washing fastness and the abrasion fastness of the printed material can be further improved.
  • various additives such as a fungicide, an antiseptic agent, each of which is similar to that used for the treatment liquid, and an antioxidant may also be appropriately used.
  • the ink composition according to this embodiment may be prepared in such a way that after the components described above are mixed together in an arbitrary order to form a mixture, if needed, impurities and foreign materials are removed by filtration or the like.
  • a method for mixing the individual components there may be used a method in which the materials (components) are sequentially charged in a container equipped with a stirring device, such as a mechanical stirrer or a magnetic stirrer, followed by stirring and mixing.
  • a stirring device such as a mechanical stirrer or a magnetic stirrer
  • filtration method for example, centrifugal filtration or filter filtration may be used.
  • the viscosity of the ink composition at 20° C. is preferably 2 to 15 mPa ⁇ s, more preferably 2 to 5 mPa ⁇ s, and further preferably 2 to 3.6 mPa ⁇ s. Since the viscosity of the ink composition is set in the range described above, the ejection stability and the ejection amount of the ink composition from the ink jet head can be secured.
  • the ejection stability of the ink composition may be secured in some cases, and for example, under temperature adjustment conditions, the ejection stability may be secured up to a viscosity of 22 mP ⁇ s in some cases.
  • the viscosity of the ink composition may be measured by a method similar to that for the treatment liquid composition described above.
  • the surface tension of the ink composition at 25° C. is set to, for example, preferably 10 to 40 mN/m and more preferably 25 to 40 mN/m. Since the surface tension of the ink composition at 25° C. is set in the range described above, when printing is performed, the wettability to the cloth and the contact with the components of the treatment liquid composition can be promoted.
  • the viscosity and the surface tension of the ink composition each may also be measured by a method similar that for the treatment liquid composition described above.
  • the printing apparatus according to this embodiment is preferably an ink jet printing apparatus.
  • the ink jet printing apparatus is an apparatus configured so that by an ink jet method to eject fine liquid droplets of an ink composition, the liquid droplets are landed on a cloth for printing.
  • FIG. 1 s a schematic perspective view showing the ink jet printing apparatus according to this embodiment.
  • the ink jet printing apparatus an on-carriage type printer in which ink cartridges are mounted on a carriage will be described by way of example.
  • the scale reduction of the member is made different from that of the actual member.
  • a printer 1 of this embodiment is a so-called serial printer.
  • the serial printer is a printer configured so that an ink jet head is mounted on a carriage which moves in a predetermined direction, and as the carriage moves, the ink jet head performs printing while moving.
  • the printer 1 includes an ink jet head 3 , carriage 4 , a main scanning mechanism 5 , a platen roller 6 , and a control portion (not shown) controlling the operation of the entire printer 1 .
  • the carriage 4 mounts the ink jet head 3 and also detachably mounts ink cartridges 7 a , 7 b , 7 c , 7 d , 7 e , and 7 f , each of which receives an ink composition to be supplied to the ink jet head 3 .
  • the main scanning mechanism 5 includes a timing belt 8 coupled to the carriage 4 , a motor 9 driving the timing belt 8 , and a guide shaft 10 .
  • the guide shaft 10 functions as a support member of the carriage 4 and is provided in a scanning direction (main scanning direction) of the carriage 4 .
  • the carriage 4 is driven by the motor 9 with the timing belt 8 interposed therebetween and is able to reciprocally move along the guide shaft 10 . Accordingly, the main scanning mechanism 5 has a function to reciprocally transport the carriage 4 in the main scanning direction.
  • the platen roller 6 functions to transport a cloth 2 to be printed in a sub-scanning direction (length direction of the cloth 2 ) orthogonal to the main scanning direction. Hence, the cloth 2 is transported in the sub-scanning direction.
  • the carriage 4 on which the ink jet head 3 is mounted is able to reciprocally move in the main scanning direction which approximately coincides with the width direction of the cloth 2 , and the ink jet head 3 is able to relatively scan the cloth 2 in the main scanning direction and the sub-scanning direction.
  • the ink cartridges 7 a , 7 b , 7 c , 7 d , 7 e , and 7 f are independent 6 ink cartridges.
  • the ink composition according to this embodiment may be received.
  • ink compositions having colors, such as black, cyan, magenta, yellow, white, and orange, are respectively received and can be used in an arbitrary combination.
  • the number of the ink cartridges is 6, the number is not limited thereto.
  • a supply port (not shown) is provided to supply the ink composition received in each ink cartridge to the ink jet head 3 .
  • the ink jet head 3 includes a nozzle surface (not shown) in a surface facing the cloth 2 . Along the nozzle surface, nozzle lines formed of nozzles (not shown) are separately disposed so as to corresponding to the respective ink compositions.
  • the ink compositions are supplied to the ink jet head 3 from the respective ink cartridges and are ejected in the form of liquid droplets by actuators (not shown) in the ink jet head 3 .
  • the liquid droplets of the ink composition thus ejected are landed on the cloth 2 to form an image, a text, a pattern, a color, or the like in a printing region of the cloth 2 .
  • the actuator in the ink jet head 3 , although a piezoelectric element is used, the actuator is not limited thereto.
  • an electromechanical conversion element which displaces a vibration plate used as the actuator by electrostatic adsorption or an electrothermal conversion element which ejects the ink composition in the form of liquid droplets by foams generated by heating.
  • the ink jet printing apparatus although the on-carriage type printer 1 is described by way of example, the ink jet printing apparatus is not limited thereto.
  • an off-carriage type printer in which an ink container, such as an ink cartridge, is not mounted on a carriage may also be used.
  • the ink jet printing apparatus used in the present disclosure is not limited to the serial printer described above, and there may be used a line head printer in which the ink jet head is formed to have a width equivalent to or large than the width of the cloth 2 and in which printing is performed without moving the ink jet head.
  • the textiles include a woven fabric, a knitted fabric, a non-woven cloth, and the like.
  • sewn products such as a T shirt, a handkerchief, a scarf, a towel, a handbag, and a fabric bag, and furniture products, such as a curtain, a sheet, a bedspread, and wallpaper
  • the clothes and the clothing ornaments also include cloths before and after cutting to be used as components to be sewn.
  • a long product wound to have a roll shape a product cut to have a predetermined size, a product having a product shape.
  • the cloth 2 is preferably a polyester cloth containing a polyester. Since fibers of the polyester cloth have a lower hydrophilic property than that of cotton, an aqueous pre-treatment agent and/or an aqueous ink composition is liable to be repelled by the polyester fibers and is not likely to be fixed thereto as compared to the case of a cotton cloth. In addition, since the polyester cloth is formed with large (loose) stitches so as to improve the air permeability, the ink composition is more liable to penetrate in the cloth in some cases. Hence, by the polyester cloth, it has been difficult to obtain a preferable chromogenic property; however, according to the treatment liquid composition of the present disclosure, even by the polyester cloth, a preferable chromogenic property can be obtained.
  • the polyester cloth contains polyester fibers and indicates a cloth formed from, as a forming material, polyester fibers themselves or blend fibers containing polyester fibers and other fibers.
  • the other fibers for example, there may be mentioned natural fibers of cotton, silk, hemp, wool, or the like; or synthetic fibers of a polypropylene, an acetate, a triacetate, a polyamide, a polyurethane, a poly(lactic acid), or the like.
  • a cloth formed from, as a forming material, polyester fibers themselves or blend fibers containing a polyester and a cotton is preferable.
  • the weight per unit area of the cloth 2 is 1.0 to 10.0 ounces, preferably 2.0 to 9.0 ounces, more preferably 3.0 to 8.0 ounces, and further preferably 4.0 to 7.0 ounces.
  • the treatment liquid according to this embodiment since the component, such as the cationic compound, of the treatment liquid composition is retained on a surface side of the cloth 2 in the range of the weight per unit area described above, the chromogenic property can be improved as compared to that in the past.
  • the treatment liquid composition may also be applied to a plurality of clothes having different weights per unit area.
  • the cloth 2 is preferably a polyester cloth colored with a dye in advance. Since the chromogenic property is improved by the treatment liquid composition according to this embodiment, the substrate color is shielded, and hence, the interference by the substrate color can be suppressed. That is, the treatment liquid composition can be preferably applied to a polyester cloth having a color portion colored in advance. In addition, since the substrate colored in advance is used, a printed material (product) in accordance with the preference of a customer may be provided.
  • a color portion preferably has an L* value of 80 or less.
  • the L* value can be measured using a known colorimeter, for example, the measurement may be performed using Spectrolino (available from Gretag Macbeth A.G.).
  • the ink composition is adhered to a cloth having an L* value of 80 or less, the color of the cloth itself may be observed through an adhesion portion of the ink composition in some cases, and hence, in order to prevent the case described above, the ink composition is required to have a higher chromogenic property (shielding property).
  • shielding property shielding property
  • the ink composition is preferably allowed to stay on the surface of the cloth by the treatment liquid composition according to the present disclosure, the chromogenic property is improved, and the ink composition can be preferably applied to a cloth having an L* value of 80 or less.
  • the L* value may be 75 or less and may also be 70 or less.
  • the treatment liquid composition of the present disclosure even when a cloth having a deep color as described above is used, the chromogenic property can be improved, and hence, the ink composition can be preferably applied.
  • a dye which dyes the cloth 2 in advance for example, a water-soluble dye, such as an acidic dye or a basic dye, a dispersive dye to be used with a dispersant (surfactant), or a reactive dye may be mentioned. Since the cloth 2 contains polyester fibers, a dispersive dye suitable for dyeing polyester fibers is preferably used. As the dispersive dye suitable for dyeing polyester fibers, a compound which is not likely to be sublimated in a heating step which will be described later is preferable. As the dispersive dye described above, a known dye may be used. In addition, the dispersive dye is preferably used together with a dispersant. As the dispersant, a known dispersant, such as a surfactant, may be used.
  • the ink jet printing method according to this embodiment includes a treatment liquid composition adhesion step in which a treatment liquid composition is adhered to a cloth.
  • an ink composition adhesion step is performed such that a pigment-printing ink jet ink composition which contains a pigment, resin particles, and water is adhered to a region to which the treatment liquid composition is adhered.
  • the treatment liquid composition adhesion step in order to improve the color development of a pigment in a printed material, before the ink composition is adhered to the cloth, a treatment liquid composition which aggregates the components of the ink composition is adhered to the cloth. That is, the cloth 2 is preferably a cloth to which the treatment liquid composition according to this embodiment is adhered.
  • the treatment liquid composition to be adhered to the cloth As the treatment liquid composition to be adhered to the cloth, the treatment liquid composition described above is used.
  • the adhesion amount of the treatment liquid composition is set to, for example, preferably 0.02 to 0.5 g/cm 2 and more preferably 0.02 to 0.24 g/cm 2 . Since the adhesion amount of the treatment liquid composition is set in the range described above, the treatment liquid composition is likely to be uniformly adhered to the cloth, and aggregate irregularity of an image in the printed material can be suppressed, and hence, the color development can be improved.
  • the adhesion amount of the polyvalent metal salt contained in the treatment liquid composition adhered to the cloth is set to preferably 1.6 to 6 ⁇ mol/cm 2 and more preferably 2 to 5 ⁇ mol/cm 2 . Since the treatment liquid composition is adhered so that the adhesion amount of the polyvalent metal salt is 1.6 ⁇ mol/cm 2 or more, the chromogenic property of the image in the printed material is improved. In addition, since the treatment liquid composition is adhered so that the adhesion amount of the polyvalent metal salt is 6 ⁇ mol/cm 2 or less, the abrasion fastness of the image is improved.
  • the treatment liquid composition As a method to adhere the treatment liquid composition to the cloth, for example, a method (dipping coating) in which the cloth is dipped in the treatment liquid composition, a method (roller coating) in which the treatment liquid composition is coated using a roller coater or the like, a method (spray coating) in which the treatment liquid composition is sprayed by a spray device or the like, or a method (ink jet coating) in which the treatment liquid composition is sprayed by an ink jet method may be mentioned, and any one of those methods may be used.
  • the treatment liquid composition adhesion step is preferably performed by the ink jet coating.
  • the treatment liquid composition is preferably adhered by the roller coating or the spray coating.
  • the ink jet printing method may also include, after the treatment liquid composition adhesion step is performed, a treatment liquid composition drying step of drying the treatment liquid composition adhered to the cloth.
  • a treatment liquid composition drying step of drying the treatment liquid composition adhered to the cloth.
  • the drying of the treatment liquid composition may be performed by spontaneous drying, in order to increase a drying rate, drying is preferably performed with heating.
  • the heating method thereof is not particularly limited, for example, a heat press method, a normal pressure steam method, a high pressure steam method, or a thermofix method may be mentioned.
  • a heat source of the heating for example, infrared rays (lamp) may be mentioned.
  • a heating temperature in the drying step is not particularly limited, for example, the heating temperature is set to preferably 170° C. or less, more preferably 150° C. or less, and further preferably 130° C. or less. Accordingly, even when the cloth is dyed in advance by a dispersive dye (sublimation dye), the sublimation of the dispersive dye caused by the heat drying is suppressed, and in addition, the degradation in substrate color of the cloth 2 can be suppressed.
  • the lower limit of the heating temperature is not particularly limited as long as the medium, such as water, contained in the treatment liquid is evaporated and is preferably set to 100° C. or more.
  • the heating temperature indicates a surface temperature of the treatment liquid composition adhered to the cloth and, for example, may be measured using a non-contact type thermometer IT2-80 (trade name, available from Keyence Corporation).
  • a heating time for heating is not particularly limited and is, for example, 30 seconds to 20 minutes.
  • the ink composition used in this embodiment described above is adhered to the cloth in a region to which the treatment liquid composition is adhered.
  • the ink composition the ink composition described above is used.
  • a pigment-printing ink jet ink composition which contains a pigment, resin particles, and water is preferable.
  • a step of adhering a different ink composition may also be performed on the region to which the ink composition described above is adhered.
  • a color ink composition containing a color pigment may be adhered to a region to which the white ink composition is adhered.
  • the ink composition adhesion step includes those two steps, dual layer printing in which an image of the color ink composition is formed on an image formed by the white ink composition is recorded.
  • an ink jet method is preferably used as a method to adhere the ink composition to the cloth.
  • the ink jet printing method includes the treatment liquid composition adhesion step using the treatment liquid composition described above, the penetration of the ink adhered in the ink composition adhesion step is preferably suppressed, and the ink is allowed to stay on the surface of the cloth.
  • the ink components are aggregated. Hence, a printed material excellent in chromogenic property can be obtained.
  • the maximum adhesion amount thereof to the cloth is set to preferably 50 to 200 mg/cm 2 , more preferably 80 to 150 mg/cm 2 , and further preferably 90 to 130 mg/cm 2 .
  • the maximum adhesion amount of the white ink is set as described above, a white chromogenic property is improved, and in particular, when the white ink composition is adhered to a deep color cloth, the color development is improved, and the cloth thus obtained is preferably used as a background image.
  • the color image has a preferable chromogenic property without receiving the influence of the color of the cloth.
  • the adhesion amount is set in the range described above, the abrasion fastness of the image is improved, and the aggregate irregularity is preferably not apparent.
  • the maximum adhesion amount thereof to the cloth may be set to 1 to 200 mg/cm 2 , and is preferably 1 to 30 mg/cm 2 , more preferably 2 to 25 mg/cm 2 , even more preferably 5 to 20 mg/cm 2 , and particularly preferably 7 to 15 mg/cm 2 .
  • the chromogenic property of an image to be recorded is improved, the drying property of the image to be recorded is improved, the image is suppressed from being blurred, and images, such as pictures and/or letters, can be reproducibly recorded on the cloth.
  • a step of heating the cloth is preferably performed.
  • the ink composition is likely to uniformly wet spread on the cloth, and in addition, the fixability of the ink composition to the cloth is promoted.
  • a heating method for heating the ink composition applied to the cloth is not particularly limited, for example, a heat press method, a normal pressure steam method, a high pressure steam method, a hot-air drying method, or a thermofix method may be mentioned.
  • a heating temperature is preferably 100° C. to 200° C. and more preferably 100° C. to 170° C.
  • the heating temperature is preferably 120° C. to 160° C.
  • the heating temperature is more preferably 100° C. to 150° C. Since the heating temperature is in the range described above, the reduction of damage on the cloth and the film formation of the resin particles contained in the ink composition may be promoted.
  • a heating time may be set, for example, to 30 seconds to 20 minutes and is preferably 2 to 7 minutes and more preferably 3 to 5 minutes. Since the heating time is set in the range described above, while the damage done on the cloth is reduced, the ink can be sufficiently dried.
  • the heating temperature described above is approximately the same as the heating temperature of the heating performed after the adhesion of the treatment liquid composition, the drying process can be preferably simplified. In this case, the heating temperature of this step indicates a surface temperature of the treatment liquid composition adhered to the cloth and may be measured, for example, using a non-contact type thermometer IT2-80 (trade name, available from Keyence Corporation).
  • compositions of treatment liquid compositions of Examples 1 to 49 and Comparative Examples 1 to 14 are shown in Tables 1 to 7.
  • the unit of the numerical value which represents the content of each component in the table indicates percent by mass and is represented by the rate of the amount of an effective component (solid component). Water is added so that the total mass of the treatment liquid composition is 100 percent by mass.
  • the column represented by “-” in which the numerical value is not described indicates that no component is contained.
  • the treatment liquid compositions of Examples and Comparative Examples were prepared.
  • mixing and stirring were performed for 2 hours using a magnetic stirrer.
  • filtration was performed using a polytetrafluoroethylene (PTFE)-made membrane filter having a pore size of 5 ⁇ m, so that the treatment liquid composition (hereinafter, also referred to as “treatment liquid” in some cases) of each of Examples and Comparative Examples was obtained.
  • PTFE polytetrafluoroethylene
  • Alkox E-45 trade name, manufactured by Meisei Chemical Works, Ltd., polyethylene oxide
  • PITZCOL K-90 trade name, manufactured by DKS Co., Ltd., poly(vinyl pyrrolidone)
  • Alkox L-6 trade name, manufactured by Meisei Chemical Works, Ltd., polyethylene oxide
  • PITZCOL K-30 trade name, manufactured by DKS Co., Ltd., poly(vinyl pyrrolidone)
  • AQUACER 497 trade name, manufactured by BYK Japan KK, paraffin wax having 50 percent by mass of a solid component and a melting point of 60° C.
  • SFCOAT SWK-601 trade name, manufactured by AGC SEIMI CHEMICAL CO., LTD., a fluorine-based water repellant having a melting point of more than 100° C.
  • Vinyblan 1245L trade name, manufactured by Nisshin Chemical Industry Co., Ltd., vinyl acetate/acrylic ester having a solid component of 40%
  • Emulgen 350 trade name, manufactured by Kao Corporation, a polyoxyethylene stearyl ether, the number of carbon atoms of R 4 of the formula (1) being 18, and HLB being 17.8
  • Olfine E1010 trade name “Olfine E1010”, manufactured by Nisshin Chemical Industry Co., Ltd., acetylene glycol-based surfactant
  • Standard Products poly(ethylene oxide) (calibration curve formed from seven standard products)
  • the composition of an ink composition (ink 1) used for the evaluation of Examples and Comparative Examples is shown in Table 8.
  • the unit of the numerical value which represents the content of each component in the table is percent by mass and is represented by the rate of the amount of an effective component (solid component). Water was added so that the total mass of the ink composition was 100 percent by mass.
  • Titanium oxide slurry NanoTek® Slurry (trade name, manufactured by C.I. Kasei Co., Ltd., titanium oxide solid component: 20 percent by mass, average particle diameter: 250 nm)
  • BYK-348 trade name, manufactured by BYK Japan KK, silicone-based surfactant (nonionic surfactant)
  • the treatment liquid compositions of Examples and Comparative Examples were adhered to the respective cloths.
  • roller coating was used, and the treatment liquid composition was sufficiently impregnated in a sponge roller.
  • the sponge roller was rolled on a front surface of a chest region (one-side surface) of the T shirt used as the cloth four times in a right-to-left direction and a top-to-bottom direction approximately orthogonal thereto, respectively, so that the treatment liquid composition was adhered on the cloth as uniform as possible.
  • the adhesion amount of the treatment liquid to the cloth was 20 g per A4 size area.
  • the heating step heat drying was performed at 130° C. for 60 seconds by a pressing force of 3.0 kN using a heat press machine. After the heating step was performed, an evaluation cloth (printed material) on which printing was performed by the ink composition was obtained.
  • the treatment liquid compositions, the evaluation cloths to each of which the treatment was performed by the treatment liquid composition, and the evaluation cloths to each of which the ink composition was printed were evaluated as described below, and the results thereof are shown in Tables 1 to 7.
  • the index of the chromogenic property of the white pigment As the index of the chromogenic property of the white pigment (degree of white), at a region ⁇ of the evaluation cloth to which the ink composition was adhered, color measurement was performed. In particular, by the use of a colorimeter Spectrolino (available from Gretag Macbeth A.G.), the L* value was measured and then evaluated in accordance with the following criteria. When the chromogenic property was ranked as B′ or more, it was evaluated that the effect of the present disclosure could be obtained.
  • L* value is 90 or more.
  • A: L* value is 85 to less than 90.
  • A′: L* value is 80 to less than 85.
  • B: L* value is 78 to less than 80.
  • B′: L* value is 76 to less than 78.
  • C: L* value is 74 to less than 76.
  • the viscosity of the treatment liquid composition immediately after the preparation thereof was measured at 20° C. using a viscoelastic tester MCR-301 (manufactured by Anton Paar) in such a way that the shear rate was increased from 0.01 to 1.00 s ⁇ 1 , and the viscosity was read at a shear rate of 0.10 s ⁇ 1 .
  • the evaluation result of the viscosity was B or more, it was evaluated that the effect of the present disclosure could be obtained.
  • Viscosity is 1 to less than 5 mPa ⁇ s.
  • A Viscosity is 5 to less than 30 mPa ⁇ s.
  • B Viscosity is 30 to less than 100 mPa ⁇ s.
  • C Viscosity is 100 mPa ⁇ s or more.
  • Evaluation of a coating scar of the evaluation cloth treated with the treatment liquid composition was performed.
  • the treatment liquid composition is adhered to the cloth which is colored, in comparison with a portion of the cloth to which the treatment liquid composition is not adhered, the difference in appearance, such as the change in hue, may be generated as the coating scar in some cases.
  • a region ⁇ to which the treatment liquid composition was not adhered and a region ⁇ to which the treatment liquid composition was adhered were observed by visual inspection, and the evaluation was performed in accordance with the following criteria.
  • A The difference in appearance between the region ⁇ and the region ⁇ is hardly observed.
  • B The difference in appearance between the region ⁇ and the region ⁇ is apparently observed.
  • the treatment liquid composition was left at room temperature for 7 days, and it was evaluated whether a solid material was separated or not by precipitation or floatation.
  • A No separation of solid material occurs.
  • B Separation of solid material occurs.
  • the coating property was evaluated in accordance with the following criteria.
  • A No granular irregularity of color is observed.
  • B Although granular irregularity of color is observed, the level thereof is in an acceptable range.
  • C Granular irregularity of color is observed, and the level thereof is not acceptable.
  • the treatment liquid composition is a treatment liquid composition which is used to be adhered to a cloth and which contains a cationic compound, a water-soluble resin, and water; the molecular weight distribution of a water-soluble component contained in the treatment liquid composition has a maximum peak in a molecular weight range of 28,000 to 2,800,000; and the content of a water-soluble resin having a molecular weight of 28,000 to 2,800,000 is 0.6 to 5.0 percent by mass with respect to the total mass of the treatment liquid composition.
  • a treatment liquid composition which preferably maintains its viscosity low and which is able to obtain a printed material excellent in chromogenic property can be obtained.
  • the treatment liquid composition contains the water-soluble resin, the molecular weight distribution of the water-soluble component has a maximum peak in a large molecular weight region of 28,000 to 2,800,000, and the content of the water-soluble resin having a molecular weight of 28,000 to 2,800,000 is 0.6 percent by mass or more with respect to the total mass of the treatment liquid composition, the viscosity of an ink composition is increased, the fluidity of the ink composition is degraded, and hence, the ink composition is allowed to easily stay on the surface of the cloth.
  • the reason described above will be described in more detail.
  • the water-soluble resin is partially dissolved.
  • the molecular weight distribution thereof has a maximum peak in a relatively large molecular weight range of 28,000 to 2,800,000
  • the viscosity thereof is increased. Because of the increase in viscosity, the fluidity of the ink composition is degraded, and the ink composition is not likely to penetrate in the cloth and is likely to stay on the surface of the cloth.
  • the cationic compound since the cationic compound is also contained in the treatment liquid composition, the cationic compound functions to promote the aggregation of the components in the ink composition.
  • the ink composition is likely to stay on the surface of the cloth, and hence, a preferable color development can be obtained.
  • the content of the water-soluble resin having a molecular weight of 28,000 to 2,800,000 is 5 percent by mass or less with respect to the total mass of the treatment liquid composition, the viscosity of the treatment liquid composition is preferably not excessively increased.
  • the molecular weight distribution of the water-soluble component preferably further has a maximum peak in a molecular weight range of 1,000 to 25,000, and the peak area of a molecular weight range of 28,000 to U.S. Pat. No. 2,800,000 to the peak area of a molecular weight range of 1,000 to 25,000 is preferably 1:5 to 5:1.
  • the treatment liquid composition further contains a water-soluble component having a relatively small molecular weight
  • the chromogenic property is further improved.
  • the rate of dissolution of the water-soluble component having a relatively small molecular weight in the ink composition is faster than that of a water-soluble component having a large molecular weight. Since the rate of dissolution in the ink composition is high, immediately after the adhesion of the ink composition, the viscosity of the ink composition tends to be increased, and the ink composition is likely to stay on the surface of the cloth, so that the chromogenic property can be improved.
  • the water-soluble resin is preferably at least one of a poly(ethylene oxide), a carboxymethyl cellulose, a hydroxyethyl cellulose, and a poly(vinyl pyrrolidone).
  • the water-soluble resin is more likely to be dissolved in the ink composition, and the viscosity of the ink composition is likely to be increased.
  • the ink composition is likely to stay on the surface of the cloth, and the chromogenic property can be improved.
  • a poly(vinyl pyrrolidone) has a preferable solubility and a low spinnability and tends to improve the coating property.
  • the treatment liquid composition described above further preferably contains a water repellant, and the content of the water repellant with respect to the total mass of the treatment liquid composition is preferably 0.01 to 0.30 percent by mass.
  • the ink composition is more likely to stay on the surface of the cloth, and hence, the chromogenic property can be improved.
  • the water repellant is preferably at least one selected from a fluorine-based water repellant, a silicone-based water repellant, and a paraffin wax.
  • the hydrophobic property is preferably imparted to the surface of the cloth, the ink composition is more likely to stay on the surface of the cloth, and hence, the chromogenic property can be improved.
  • the water repellant is preferably a resin having a melting point of 100° C. or less.
  • the coating property of the treatment liquid composition is improved.
  • the treatment liquid composition can be uniformly adhered, and hence, the irregularity of color development can be suppressed.
  • the cloth is preferably a polyester or a blend containing a polyester and a cotton.
  • the polyester or the blend containing a polyester and a cotton which has a low hydrophilic property as compared to that of cotton, a preferable chromogenic property can be obtained.
  • the cloth is preferably a cloth having a color portion, and the L* value of the color portion is preferably 80 or less.
  • the color (substrate color) of the cloth functioning as an underlayer is shielded, and the influence of the substrate color is not likely to be received. Hence, a preferable chromogenic property can be obtained.
  • the treatment liquid composition described above preferably further contains resin particles.
  • the fixability of the colorant contained in the ink composition is improved.
  • the washing fastness and the abrasion fastness of the ink composition thus adhered can be improved.
  • the treatment liquid composition described above preferably further contains a nonionic surfactant, and the nonionic surfactant is preferably a polyoxyethylene oleyl ether.
  • the wet spreadability of the ink composition can be improved, and the granularity of an image recorded by the ink composition can be suppressed.
  • the cationic compound is preferably a polyvalent metal salt
  • the polyvalent metal salt is preferably at least one selected from calcium nitrate, calcium chloride, and magnesium sulfate.
  • the aggregation of the components in the ink composition is preferably promoted, and a preferable chromogenic property can be obtained.
  • the treatment liquid composition described above is preferably used for ink jet pigment printing.
  • a set is a set including the treatment liquid composition described above and a pigment-printing ink jet ink composition which contains a pigment, resin particles, and water.
  • the chromogenic property of the pigment-printing ink jet ink composition can be improved.
  • the pigment-printing ink jet ink composition is preferably a white ink containing a white pigment.
  • the chromogenic property of the white ink can be improved.
  • An ink jet printing method is an ink jet printing method which includes a treatment liquid composition adhesion step of adhering the treatment liquid composition described above to the cloth.
  • the chromogenic property of the ink jet ink composition can be improved.
  • the ink jet printing method described above preferably further includes, after the treatment liquid composition adhesion step is performed, an ink composition adhesion step of adhering a pigment-printing ink jet ink composition which contains a pigment, resin particles, and water to a region to which the treatment liquid composition is adhered.
  • the chromogenic property of the pigment-printing ink jet ink composition can be improved.
  • the cloth is a cloth to which the treatment liquid composition described above is adhered.

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