WO2021210462A1 - インクジェット捺染用処理液、インクジェット捺染装置、インクジェット捺染方法及び捺染物 - Google Patents

インクジェット捺染用処理液、インクジェット捺染装置、インクジェット捺染方法及び捺染物 Download PDF

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Publication number
WO2021210462A1
WO2021210462A1 PCT/JP2021/014733 JP2021014733W WO2021210462A1 WO 2021210462 A1 WO2021210462 A1 WO 2021210462A1 JP 2021014733 W JP2021014733 W JP 2021014733W WO 2021210462 A1 WO2021210462 A1 WO 2021210462A1
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Prior art keywords
treatment liquid
ink
inkjet printing
liquid
mass
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Ceased
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PCT/JP2021/014733
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English (en)
French (fr)
Japanese (ja)
Inventor
潤 日置
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Kyocera Document Solutions Inc
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Kyocera Document Solutions Inc
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Priority to JP2022515326A priority Critical patent/JP7338790B2/ja
Priority to US17/633,524 priority patent/US20220349122A1/en
Publication of WO2021210462A1 publication Critical patent/WO2021210462A1/ja
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/32—Inkjet printing inks characterised by colouring agents
    • C09D11/322—Pigment 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
    • 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
    • C09D11/40—Ink-sets specially adapted for multi-colour inkjet printing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • 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
    • 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
    • D06P1/5285—Polyurethanes; Polyurea; Polyguanides
    • 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
    • D06P1/5292—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds containing Si-atoms
    • 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
    • D06P1/62—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 low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
    • D06P1/621—Compounds without nitrogen
    • D06P1/622—Sulfonic acids or their salts
    • 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
    • D06P1/62—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 low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
    • D06P1/628—Compounds containing nitrogen
    • 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
    • D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/647—Nitrogen-containing carboxylic acids or their salts
    • 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
    • D06P1/67375—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341 with sulfur-containing anions
    • 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
    • D06P5/02—After-treatment
    • D06P5/04—After-treatment with organic compounds
    • D06P5/06—After-treatment with organic compounds containing nitrogen
    • 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
    • D06P5/02—After-treatment
    • D06P5/04—After-treatment with organic compounds
    • D06P5/08—After-treatment with organic compounds macromolecular
    • 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

Definitions

  • the present invention relates to an inkjet printing treatment liquid, an inkjet printing device, an inkjet printing method, and a printed material.
  • an ink containing a pigment is used.
  • the pigment-containing ink may be used together with the treatment liquid in order to improve the frictional fastness of the printing object on which the image is formed (hereinafter, may be referred to as a printed matter).
  • Patent Document 1 proposes a pretreatment liquid containing hydroxyethyl cellulose, an ammonium salt, a hydrotropy agent, and water.
  • the printed material has a weak acidity.
  • the printed matter formed by using the pretreatment liquid and the ink described in Patent Document 1 has alkalinity due to the components of the pretreatment liquid and the ink. Therefore, the printed matter formed by using the pretreatment liquid and the ink described in Patent Document 1 is weakly acidic by a washing treatment or a neutralizing treatment (hereinafter, may be collectively referred to as a washing and neutralizing treatment) after printing. Need to be granted.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide an inkjet printing treatment liquid, an inkjet printing apparatus, an inkjet printing method, and a printed matter, which can omit the washing and neutralizing treatment of the printed matter after printing. That is.
  • the treatment liquid for inkjet printing according to the present invention contains an aqueous medium and a pH slide agent.
  • the inkjet printing apparatus includes a recording head that ejects ink to an image forming region to be printed, and a first processing head that ejects a first processing liquid to at least the image forming region of the printing target.
  • the first treatment liquid is the above-mentioned treatment liquid for inkjet printing.
  • the inkjet printing method includes an ink ejection step of inkjet ejection of ink to an image forming region to be printed, a first processing step of inkjet ejection of a first processing liquid to at least the image forming region of the printing target.
  • the ink ejection step and the heating step of heating the printing target after the first treatment step are provided.
  • the first treatment liquid is the above-mentioned treatment liquid for inkjet printing.
  • the printed matter according to the present invention is a printed matter on which an image is formed.
  • the image contains components derived from the above-mentioned inkjet printing treatment liquid and components derived from ink.
  • the washing and neutralizing treatment of the printed matter can be omitted after printing.
  • the printed matter according to the present invention can be easily produced and has excellent friction fastness.
  • the measured value of the medium volume diameter (D 50 ) is a laser diffraction / scattering type particle size distribution measuring device (“LA-950” manufactured by HORIBA, Ltd.). It is the median diameter measured by.
  • the median volume diameter may be described as "D 50".
  • the "main component” of a material unless otherwise specified, means the component most abundant in the material on a mass basis.
  • Specific gravity means the specific density at 25 ° C., unless otherwise specified.
  • Acrylic and methacryl may be collectively referred to as "(meth) acrylic".
  • one type may be used alone, or two or more types may be used in combination.
  • the average particle size of the particles means the harmonic mean particle size (also referred to as the Cumulant average particle size) based on the scattered light intensity standard calculated based on the Cumulant method.
  • the average particle size of the particles is measured according to the method described in ISO 13321: 1996 (Particle size analogysis-Photon correlation spectroscopy).
  • the inkjet printing treatment liquid (hereinafter, may be referred to as a treatment liquid) according to the first embodiment of the present invention will be described.
  • the treatment liquid of the present invention contains an aqueous medium and a pH slide agent.
  • the pH slide agent is a compound that generates an acid by heating.
  • the pH (hydrogen ion index) of a solution containing a pH slide agent is lowered by heating.
  • a compound used as a pH slide agent known in the printing field for example, a salt compound containing a cation derived from a volatile base and an anion derived from a non-volatile acid
  • compounds used as thermal acid generators in other fields may be used.
  • the treatment liquid of the present invention is suitable as, for example, a treatment liquid used in an inkjet printing apparatus and an inkjet printing method described later.
  • the treatment liquid of the present invention is used, for example, by inkjet ejection from a head.
  • the amount of the treatment liquid of the present invention used can be reduced as compared with the case where the printed material is immersed in the treatment liquid of the present invention. Therefore, it is difficult for the printed object to be stiff, and the deterioration of the tactile sensation of the printed material is suppressed.
  • the treatment liquid of the present invention is preferably used as a post-treatment liquid for post-treatment of inkjet printing.
  • the image forming region is post-processed by the processing liquid of the present invention.
  • the treatment liquid of the present invention can also be used as a pretreatment liquid for pretreatment of inkjet printing.
  • the image forming region is preprocessed by the processing liquid of the present invention before the image is formed in the image forming region to be printed by the ink.
  • the treatment liquid of the present invention When the treatment liquid of the present invention is used as a post-treatment liquid for post-treatment of inkjet printing, it is preferable that the treatment liquid of the present invention further contains emulsified particles described later.
  • the ink used in the inkjet printing method is usually alkaline (for example, pH 7 to 10). This is because alkaline inks are less likely to corrode inkjet nozzles than acidic inks, and have a tendency to stably disperse ink components (for example, pigments and resins).
  • the printed material produced by a known inkjet printing method is usually alkaline due to the ink component.
  • the printed matter since human skin is weakly acidic, it is preferable that the printed matter also has weak acidity. Therefore, in the known inkjet printing method, it is common to perform a washing and neutralizing treatment of the printed material after printing.
  • the treatment liquid of the present invention contains a pH slide agent. Therefore, the printing object treated with the treatment liquid of the present invention contains a pH slide agent. Then, in the inkjet printing method, the printing target is usually heated and dried after printing. At that time, in the printing object treated with the treatment liquid of the present invention, acid is generated from the pH slide agent to impart weak acidity. From the above, the printed matter produced by using the treatment liquid of the present invention can omit the washing and neutralizing treatment after printing.
  • the inkjet printing method using the treatment liquid of the present invention has an advantage that it does not affect the dispersibility of the ink components in the ink as compared with the method of adding the pH slide agent to the ink.
  • the aqueous medium contained in the treatment liquid of the present invention is a medium containing water.
  • the aqueous medium may function as a solvent or a dispersion medium.
  • Specific examples of the aqueous medium include an aqueous medium containing only water and an aqueous medium containing water and a water-soluble organic solvent.
  • the water content is preferably 30.0% by mass or more and 80.0% by mass or less, and more preferably 40.0% by mass or more and 60.0% by mass or less.
  • the discharge stability of the treatment liquid of the present invention can be improved.
  • water-soluble organic solvent contained in the treatment liquid of the present invention examples include glycol compounds, ether compounds of polyhydric alcohols, lactam compounds, nitrogen-containing compounds, acetate compounds, thiodiglycols, glycerin and dimethylsulfoxide.
  • glycol compound examples include ethylene glycol, 1,3-propanediol, propylene glycol, diethylene glycol, triethylene glycol and tetraethylene glycol.
  • Examples of the ether compound of the polyhydric alcohol include diethylene glycol diethyl ether, diethylene glycol monobutyl ether, ethylene glycol monomethyl ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol diethyl ether, triethylene glycol monomethyl ether, and triethylene.
  • Glycol monoethyl ether and propylene glycol monomethyl ether can be mentioned.
  • lactam compound examples include 2-pyrrolidone and N-methyl-2-pyrrolidone.
  • nitrogen-containing compound examples include 1,3-dimethylimidazolidinone, formamide and dimethylformamide.
  • Examples of the acetate compound include diethylene glycol monoethyl ether acetate.
  • a glycol compound is preferable, and propylene glycol is more preferable.
  • the content ratio of the water-soluble organic solvent in the treatment liquid of the present invention is preferably 10.0% by mass or more and 60.0% by mass or less, and more preferably 25.0% by mass or more and 45.0% by mass or less.
  • the discharge stability of the treatment liquid of the present invention can be improved.
  • an ammonium salt, a quaternary ammonium salt of sulfonic acid, or a sulfonic acid ester is preferable.
  • the ammonium salt is a compound that is often used as a pH slide agent in the printing field.
  • a quaternary ammonium salt of sulfonic acid or a sulfonic acid ester is a compound often used as a thermoacid generator in other fields.
  • ammonium salt a salt compound containing ammonium and a non-volatile acid-derived anion is preferable.
  • the ammonium salt include ammonium sulfate, ammonium malate, ammonium citrate, ammonium phosphate, ammonium lactate, ammonium maleate, ammonium oxalate and ammonium phthalate.
  • ammonium salt ammonium sulfate or ammonium malate is preferable.
  • the ammonium salt When the ammonium salt is heated, it generates an acid composed of the anions and H + that made up the ammonium salt.
  • ammonium sulfate and ammonium malate generate sulfuric acid and malic acid, respectively, when heated.
  • Examples of the quaternary ammonium salt of sulfonic acid include a salt compound of sulfonic acid and tetraalkylammonium.
  • Examples of the sulfonic acid include an alkyl sulfonic acid having 1 to 5 carbon atoms which may be substituted with a halogen atom (for example, a fluorine atom).
  • a halogen atom for example, a fluorine atom
  • trifluoromethanesulfonic acid is preferable.
  • Examples of the tetraalkylammonium include tetraalkylammonium having an alkyl group having 1 to 6 carbon atoms. As the tetraalkylammonium, tetrabutylammonium is preferable.
  • tetrabutylammonium trifluoromethanesulfonate is preferable.
  • the quaternary ammonium salt of sulfonic acid is heated to generate sulfonic acid.
  • tetrabutylammonium trifluoromethanesulfonate is heated to generate trifluoromethanesulfonic acid.
  • the sulfonic acid ester is a compound represented by the chemical formula "R 1- SO 2- OR 2 " (R 1 represents a monovalent organic group, and R 2 represents an alkyl group).
  • the monovalent organic group represented by R 1 is preferably a phenyl group which may be substituted with a substituent. Examples of the above-mentioned substituent include an alkyl group having 8 or more carbon atoms and 15 or less carbon atoms, and a dodecyl group is preferable.
  • the alkyl group represented by R 2 an alkyl group having 1 to 6 carbon atoms is preferable, and an isobutyl group is more preferable.
  • an alkylbenzene sulfonic acid ester is preferable, and isobutyl dodecylbenzene sulfonic acid is more preferable.
  • the sulfonic acid ester generates sulfonic acid when heated. For example, isobutyl dodecylbenzene sulfonic acid is heated to generate dodecylbenzene sulfonic acid.
  • the content ratio of the pH slide agent in the treatment liquid of the present invention is preferably 0.1% by mass or more and 10.0% by mass or less, and more preferably 0.2% by mass or more and 1.0% by mass or less.
  • the content ratio of the pH slide agent can be appropriately changed depending on, for example, the strength of the acid generated from the pH slide agent and the acid generation efficiency of the pH slide agent.
  • the emulsified particles contain silicone oil.
  • the silicone oil preferably contains an ionic group-containing silicone oil.
  • the silicone oil may further contain other silicone oils (hereinafter, may be referred to as other silicone oils) in addition to the ionic group-containing silicone oil.
  • the treatment liquid of the present invention contains emulsified particles containing silicone oil, the following first and second advantages can be obtained. Further, when the silicone oil contains an ionic group-containing silicone oil, the following third to fourth advantages can be obtained.
  • Silicone oil has a friction reducing effect.
  • the treatment liquid of the present invention contains emulsified particles, so that the image formed on the printing target is coated with silicone oil and the printing target is printed. Surface friction is reduced. As a result, even when the image formed on the printing target is rubbed, discoloration is unlikely to occur, and a printed product having excellent dry friction fastness and wet friction fastness can be formed. Further, by coating with silicone oil having a friction reducing action, the friction between the yarns to be printed is reduced. As a result, the stiffness of the printed object caused by image formation is reduced, and the deterioration of the tactile sensation of the printed material is suppressed.
  • Silicone oil has water repellency.
  • the treatment liquid of the present invention contains emulsified particles, so that the printing target is coated with a water-repellent silicone oil, and the printing target is subject to printing. Water repellency is imparted to the surface. As a result, even when the image formed on the printing target is rubbed in a wet state, discoloration is unlikely to occur, and a printed material having excellent wet friction fastness can be formed.
  • the first advantage and the second advantage can also be obtained by using an ink containing silicone oil instead of the treatment liquid of the present invention containing silicone oil.
  • the treatment liquid of the present invention contains silicone oil
  • a silicone oil having a higher viscosity can be used as compared with the case where an ink containing silicone oil is used.
  • the treatment liquid of the present invention contains silicone oil rather than the ink containing silicone oil.
  • the third advantage will be explained. It is presumed that when the silicone oil contains an ionic group-containing silicone oil, a bond is formed between the ionic group and the printing target, and between the ionic group and the ink component ejected on the printing target. Will be done. The formation of the bond makes it difficult for the water to wash away the ionic group-containing silicone oil from the printing target and the ink. As a result, a printed material having excellent wet friction fastness can be formed.
  • the silicone oil contains the ionic group-containing silicone oil
  • the emulsified particles containing the ionic group-containing silicone oil are preferably dispersed in the aqueous medium of the treatment liquid of the present invention.
  • the processing liquid of the present invention can be easily discharged from the processing head of the inkjet printing apparatus.
  • the content ratio of the emulsified particles in the treatment liquid of the present invention is preferably 1.0% by mass or more and 20.0% by mass or less, and 5.0% by mass or more and 15. More preferably, it is 0% by mass or less.
  • the content ratio of the emulsified particles is 1.0% by mass or more, the dry friction fastness and tactile sensation of the printed material to be formed can be improved.
  • the wet friction fastness of the printed material to be formed can be improved.
  • the viscosity of the silicone oil is preferably 1000 mm 2 / sec or more, and more preferably 1500 mm 2 / sec or more.
  • the viscosity of the silicone oil is 1000 mm 2 / sec or more, it becomes difficult for the silicone oil to be separated from the printed matter when the formed printed matter is rubbed. Therefore, the dry friction fastness and the wet friction fastness of the printed matter can be improved.
  • the highly viscous silicone oil may give stiffness to the printing target.
  • the treatment liquid of the present invention can be discharged from the head of the inkjet printing apparatus.
  • the amount of the treatment liquid of the present invention used is reduced as compared with the case where the printed material is immersed in the treatment liquid of the present invention.
  • the upper limit of the viscosity of the silicone oil is preferably less 100,000 mm 2 / sec, more preferably at most 6000 mm 2 / sec.
  • the viscosity of silicone oil means the kinematic viscosity at 25 ° C.
  • the viscosity of the silicone oil means the viscosity of a mixture of two or more silicone oils. ..
  • the viscosity of silicone oil is measured according to the method described in JIS (Japanese Industrial Standards) Z8803: 2011 (Method for measuring liquid viscosity).
  • JIS Japanese Industrial Standards
  • Z8803 2011 (Method for measuring liquid viscosity).
  • an organic solvent for example, toluene
  • the silicone oil can be extracted from the treatment liquid of the present invention.
  • the extracted silicone oil can be used for measuring the viscosity by washing and drying.
  • the average particle size of the emulsified particles is preferably 100 nm or more and 250 nm or less, and more preferably 120 nm or more and 220 nm or less.
  • the treatment liquid of the present invention can be easily discharged from the head of the inkjet printing apparatus.
  • the emulsified particles may further contain components other than silicone oil. However, it is preferable that the emulsified particles contain only silicone oil in order to form a printed matter having excellent frictional fastness and suppress a decrease in the tactile sensation of the printed matter.
  • the silicone oil contained in the emulsified particles preferably contains an ionic group-containing silicone oil, and may further contain other silicone oils (for example, non-modified silicone oils).
  • the ionic group-containing silicone oil is, for example, a silicone oil modified with an ionic group.
  • examples of the ionic group-containing silicone oil include a modified silicone oil having an ionic group introduced into the side chain and a modified silicone oil having an ionic group introduced into the terminal group.
  • Examples of the ionic group-containing silicone oil include amino-modified silicone oil, carboxy-modified silicone oil, phenol-modified silicone oil, and silanol-modified silicone oil, and amino-modified silicone oil is preferable.
  • the amino-modified silicone oil, carboxy-modified silicone oil, phenol-modified silicone oil, and silanol-modified silicone oil each have an amino group, a carboxy group, a phenolic hydroxy group, and a silanol group as ionic groups.
  • the functional group equivalent of the ionic group-containing silicone oil is preferably 1000 g / mol or more and 5500 g / mol or less.
  • the functional group equivalent is the molecular weight per 1 mol of functional group (ionic group).
  • the content ratio of the ionic group-containing silicone oil to the total mass of the silicone oil contained in the emulsified particles is preferably 30% by mass or more and 100% by mass or less, more preferably 40% by mass or more and 100% by mass or less, and 100% by mass. It is particularly preferable to have.
  • the treatment liquid of the present invention contains emulsified particles
  • the treatment liquid of the present invention does not contain a dispersant and the emulsified particles are dispersed in the treatment liquid.
  • emulsified particles containing an ionic group-containing silicone oil are preferably dispersed in an aqueous medium. Therefore, even when the treatment liquid of the present invention does not contain a dispersant, the dispersed state of the emulsified particles can be maintained by containing the emulsified particles containing the ionic group-containing silicone oil.
  • Dispersants often have hydrophilic groups.
  • Dispersants include, for example, surfactants, resin dispersants, and polysaccharides.
  • the treatment liquid of the present invention may further contain components other than the aqueous medium, the pH slide agent and the emulsified particles (hereinafter, may be referred to as other components).
  • Other components include, for example, acids and bases.
  • the post-treatment liquid of the present invention preferably further contains an acid.
  • the acid promotes ionization of the anionic group, and the emulsified particles containing the ionic group-containing silicone oil are preferably dispersed in the aqueous medium.
  • the acid include a strong acid and a weak acid.
  • the strong acid include hydrochloric acid, p-toluenesulfonic acid, and sulfuric acid.
  • Weak acids include, for example, benzoic acid and acetic acid.
  • the acid a strong acid is preferable, and hydrochloric acid, paratoluenesulfonic acid, or sulfuric acid is more preferable.
  • the content ratio of the acid is preferably 1.0% by mass or more and 5.0% by mass or less in terms of the amount of the acid having a concentration of 1 mol / L.
  • the post-treatment liquid of the present invention preferably further contains a base.
  • the base promotes ionization of the cationic group, and the emulsified particles containing the ionic group-containing silicone oil are preferably dispersed in the aqueous medium.
  • the base include sodium hydroxide.
  • the content ratio of the base is preferably 1.0% by mass or more and 5.0% by mass or less in terms of the amount of the base having a concentration of 1 mol / L.
  • the treatment liquid of the present invention can be prepared, for example, by mixing a pH slide agent, an aqueous medium, and components (for example, acids or bases, and emulsified particles) added as needed.
  • the treatment liquid of the present invention contains emulsified particles
  • the treatment liquid of the present invention is preferably prepared by mixing a pH slide agent, an aqueous medium, and a raw material emulsion containing the emulsified particles.
  • the ratio of the amount of the raw material emulsion used to the amount of the total raw material used is, for example, 15% by mass or more and 50% by mass or less.
  • the raw material emulsion can be prepared, for example, by emulsifying silicone oil, a part of an aqueous medium, and an acid or base used as needed with a homogenizer.
  • the emulsification time is, for example, 5 minutes or more and 1 hour or less.
  • the emulsification temperature is, for example, 5 ° C. or higher and 40 ° C. or lower.
  • a recording head that ejects ink to an image forming region to be printed and a first processing head that ejects a first processing liquid to at least an image forming region to be printed are provided.
  • the first treatment liquid is the treatment liquid according to the first embodiment.
  • the inkjet printing apparatus of the present invention further includes a second processing head that discharges the second processing liquid to at least the image forming region of the printing target.
  • the second treatment liquid is a pretreatment liquid containing a cationic component. Details of the ink and the second treatment liquid will be described later. Since the inkjet printing apparatus of the present invention uses the treatment liquid according to the first embodiment, the washing and neutralizing treatment of the printed matter can be omitted after printing.
  • FIG. 1 schematically shows each component as a main body, and the size, number, and the like of each of the illustrated components may be changed as appropriate.
  • FIG. 1 is a side view showing a main part of an inkjet printing apparatus 10 which is an example of the inkjet printing apparatus of the present invention.
  • the inkjet printing device 10 shown in FIG. 1 is a flatbed type inkjet printing device.
  • the inkjet printing apparatus 10 uses the treatment liquid according to the first embodiment as a post-treatment liquid to post-treat the printing target T. Since the inkjet printing apparatus 10 uses the treatment liquid according to the first embodiment, the washing and neutralizing treatment of the printed matter can be omitted after printing.
  • the inkjet printing apparatus 10 shown in FIG. 1 includes a pre-processing head 1, a recording head 2, a post-processing head 3, and a mounting table 4.
  • the recording head 2 has a first recording head 2a, a second recording head 2b, a third recording head 2c, and a fourth recording head 2d.
  • the pre-processing head 1 corresponds to the above-mentioned second processing head.
  • the pretreatment head 1 discharges the second treatment liquid to at least the image forming region of the printing target T.
  • the second treatment liquid is a pretreatment liquid containing a cationic component.
  • the pretreatment head 1 is not particularly limited, and examples thereof include a piezo type head and a thermal inkjet type head.
  • the recording head 2 ejects ink to the image forming region of the printing target T.
  • the first recording head 2a, the second recording head 2b, the third recording head 2c, and the fourth recording head 2d, which the recording head 2 has, have inks of different colors (for example, yellow ink, magenta ink, cyan ink, etc.). And black ink).
  • the recording head 2 is not particularly limited, and examples thereof include a piezo type head and a thermal inkjet type head.
  • the post-processing head 3 corresponds to the above-mentioned first processing head.
  • the post-processing head 3 discharges the first processing liquid to at least the image forming region of the printing target T.
  • the first treatment liquid is the treatment liquid according to the first embodiment.
  • the post-processing head 3 is not particularly limited, and examples thereof include a piezo type head and a thermal inkjet type head.
  • the printing target T is placed on the mounting table 4.
  • a pre-processing head 1, a recording head 2, and a post-processing head 3 are arranged above the mounting table 4 so that ink, the first processing liquid, and the second processing liquid can be ejected to the printing target T.
  • the mounting table 4 moves horizontally in the direction from the pre-processing head 1 to the post-processing head 3 (for example, to the right in FIG. 1).
  • the mounting table 4 moves horizontally, the printing target T on the mounting table 4 is conveyed.
  • the printing target T may be a woven fabric or a knitted fabric.
  • Examples of the printing target T include cotton fabric, silk fabric, linen fabric, acetate fabric, rayon fabric, nylon fabric, polyurethane fabric, and polyester fabric.
  • the mounting table 4 on which the printing target T is placed moves horizontally, and the printing target T is transported to a position facing the pretreatment head 1 (second processing head).
  • the second treatment liquid pretreatment liquid
  • the second treatment liquid is discharged from the pretreatment head 1 to at least the image forming region of the printing target T.
  • the image forming region of the printing target T is pretreated with the second treatment liquid.
  • the printing target T is conveyed to a position facing the recording head 2.
  • Ink is ejected from the recording head 2 to the image forming region of the printing target T. In this way, an image is formed by the ink in the image forming region of the printing target T.
  • the mounting table 4 on which the printing target T is placed moves further horizontally, and the printing target T is conveyed to a position facing the post-processing head 3 (first processing head).
  • the first treatment liquid (post-treatment liquid) is discharged from the post-treatment head 3 to at least the image forming region of the printing target T. In this way, post-treatment is performed by the post-treatment liquid on the image formed in the image-forming region of the printing target T.
  • the pre-processing head 1 and the post-processing head 3 may discharge the first processing liquid and the second processing liquid only to the image forming region of the printing target T, and the first processing liquid may be discharged to a region wider than the image forming region of the printing target T.
  • the treatment liquid and the second treatment liquid may be discharged, or the first treatment liquid and the second treatment liquid may be discharged over the entire surface of the printing target T.
  • the pretreatment head 1 and the post-treatment head 3 are first set only in the image forming region of the printing target T.
  • the pre-processing head 1 and the post-processing head 3 can accurately control the ejection position, it is possible to eject the first treatment liquid and the second treatment liquid only to the region where the ink is discharged.
  • the distance between the pretreatment head 1 and the posttreatment head 3 and the printing target T must be 1 mm or more and 5 mm or less in order to accurately control the positions at which the first treatment liquid and the second treatment liquid are discharged. preferable.
  • the mounting table 4 on which the printing target T is placed moves further horizontally and prints at a position facing the heating unit (not shown).
  • the target T is transported.
  • the heating unit dries the ink, the first treatment liquid, and the second treatment liquid by heating the printing target T.
  • the heating temperature is, for example, 120 ° C. or higher and 180 ° C. or lower.
  • the heating time is, for example, 1 minute or more and 10 minutes or less.
  • the inkjet printing apparatus 10 has been described above. However, the inkjet printing apparatus of the present invention is not limited to the inkjet printing apparatus 10, and can be changed as follows, for example.
  • the pretreatment head 1, the mounting table 4, and the heating unit for discharging the second treatment liquid each have an arbitrary configuration and can be omitted.
  • the inkjet printing apparatus of the present invention does not have a heating unit, the printed material formed by the inkjet printing apparatus of the present invention is heat-treated (for example, heating temperature 120 ° C. or higher and 180 ° C. or lower, heating time 1 minute or longer 10). Minutes or less) need to be done.
  • the order of ink ejection and first treatment liquid ejection can be changed. Specifically, the timing at which the first processing head ejects the first processing liquid to at least the image forming region of the printing target T is the timing before the recording head ejects the ink to the image forming region of the printing target T and at the same time when the ink is ejected. , And after ejecting the ink. Further, in the inkjet printing apparatus of the present invention, the pre-processing head, the recording head and the post-processing head may move horizontally with the mounting table fixed. Further, the number of recording heads included in the inkjet printing apparatus of the present invention may be 1 to 3 or 5 or more. Further, the inkjet printing apparatus of the present invention may be an inkjet printing apparatus that is not a flatbed type.
  • the inkjet printing method of the present invention includes an ink ejection step of inkjet ejection of ink to an image forming region to be printed, a first processing step of inkjet ejection of a first processing liquid to at least an image forming region of a printing target, and an ink ejection step. It also includes a heating step of heating the printing target after the first treatment step.
  • the first treatment liquid is the treatment liquid according to the first embodiment.
  • the inkjet printing method of the present invention further includes a second treatment step of ejecting the second treatment liquid to at least the image forming region of the printing target before the ink ejection step.
  • the second treatment liquid is a pretreatment liquid containing a cationic component. Since the inkjet printing method of the present invention uses the treatment liquid according to the first embodiment, the washing and neutralizing treatment of the printed matter can be omitted after printing.
  • Ink ejection process an image is formed by ink in an image forming region to be printed.
  • the amount of ink ejected to the printing target is, for example, 5 g / m 2 or more and 40 g / m 2 or less.
  • the printing target is treated with the first treatment liquid (pretreatment or posttreatment).
  • the first processing step may be performed before the ink ejection process or after the ink ejection process. That is, the first treatment step may be a pretreatment step or a posttreatment step.
  • the discharge amount of the first treatment liquid to the printing target is preferably 10 g / m 2 or more and 120 g / m 2 or less, and more preferably 15 g / m 2 or more and 30 g / m 2 or less.
  • the printing target is pretreated with the second treatment liquid.
  • the discharge amount of the second treatment liquid to the printing target is, for example, 5 g / m 2 or more and 40 g / m 2 or less.
  • the heating step the printing target is heated to dry the ink, the first treatment liquid and the second treatment liquid used as needed, and the acid is generated from the pH slide agent contained in the first treatment liquid.
  • the heating temperature is, for example, 120 ° C. or higher and 180 ° C. or lower.
  • the heating time is, for example, 1 minute or more and 10 minutes or less.
  • the second treatment liquid contains a cationic component.
  • the cationic component include binder resin particles containing a cationic resin and a cationic surfactant.
  • the second treatment liquid preferably contains binder resin particles containing a cationic resin and a cationic surfactant.
  • the second treatment liquid may further contain at least one selected from the group consisting of a nonionic surfactant and an aqueous medium, if necessary.
  • the binder resin particles include a cationic resin.
  • the content ratio of the cationic resin in the binder resin particles is preferably 80% by mass or more, more preferably 95% by mass or more, and further preferably 100% by mass.
  • the D 50 of the binder resin particles is preferably 20 nm or more and 200 nm or less, and more preferably 30 nm or more and 100 nm or less.
  • the D 50 of the binder resin particles is preferably 20 nm or more and 200 nm or less, and more preferably 30 nm or more and 100 nm or less.
  • the content ratio of the binder resin particles in the second treatment liquid is preferably 1.0% by mass or more and 15.0% by mass or less, and more preferably 2.0% by mass or more and 5.0% by mass or less.
  • the content ratio of the binder resin particles is preferably 1.0% by mass or more and 15.0% by mass or less, and more preferably 2.0% by mass or more and 5.0% by mass or less.
  • (Cation resin) examples of the cationic resin include a (meth) acrylic resin having an amino group and a (meth) acrylic resin having a functional group derived from a quaternary ammonium salt.
  • the (meth) acrylic resin is a resin containing a unit derived from (meth) acrylic acid or (meth) acrylic acid ester.
  • examples of the (meth) acrylic resin having an amino group include a copolymer of a monomer having an amino group and a (meth) acrylic acid ester.
  • examples of the (meth) acrylic resin having a functional group derived from a quaternary ammonium salt include a copolymer of a monomer having a functional group derived from a quaternary ammonium salt and a (meth) acrylic acid ester.
  • Examples of the (meth) acrylic acid ester include (meth) acrylic acid alkyl ester.
  • Examples of the (meth) acrylic acid alkyl ester include methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate and lauryl (meth) acrylate. Be done.
  • Examples of the monomer having an amino group include (meth) acrylic acid dialkylaminoalkyl ester (for example, (meth) acrylic acid diethylaminoethyl) and alkenylic acid dialkylaminoalkyl ester (for example, 2-propenic acid 2- (dimethylamino)).
  • Examples of the monomer having a functional group derived from a quaternary ammonium salt include the above-mentioned monomer obtained by quaternizing the monomer having an amino group.
  • a dimethylaminopropyl acrylamide quaternary salt is preferable.
  • a (meth) acrylic resin having a functional group derived from a quaternary ammonium salt is preferable, and a copolymer of butyl acrylate and a dimethylaminopropyl acrylamide quaternary salt is more preferable.
  • cationic surfactant examples include amine salt surfactants and quaternary ammonium salt surfactants.
  • examples of the amine salt surfactant include an alkylamine acetate having an alkyl group having 10 or more and 25 or less carbon atoms (for example, stearylamine acetate).
  • Examples of the quaternary ammonium salt surfactant include an alkyltrimethylammonium salt having an alkyl group having 10 or more and 25 or less carbon atoms (for example, cetyltrimethylammonium chloride).
  • a quaternary ammonium salt surfactant is preferable, and cetyltrimethylammonium chloride is more preferable.
  • the content ratio of the cationic surfactant in the second treatment liquid is preferably 0.1% by mass or more and 3.0% by mass or less, preferably 0.3% by mass or more. More preferably 1.0% by mass or less.
  • the content ratio of the cationic surfactant is preferably 0.1% by mass or more and 3.0% by mass or less, preferably 0.3% by mass or more. More preferably 1.0% by mass or less.
  • aqueous medium examples of the aqueous medium contained in the second treatment liquid include an aqueous medium similar to the aqueous medium described in the first embodiment.
  • the content ratio of water in the second treatment liquid is preferably 20.0% by mass or more and 70.0% by mass or less, and more preferably 40.0% by mass or more and 60.0% by mass or less.
  • the discharge stability of the second treatment liquid can be improved.
  • water-soluble organic solvent examples of the water-soluble organic solvent contained in the second treatment liquid include compounds similar to the water-soluble organic solvent described in the first embodiment.
  • a glycol compound is preferable, and propylene glycol is more preferable.
  • the content ratio of the water-soluble organic solvent in the second treatment liquid is preferably 10.0% by mass or more and 60.0% by mass or less, and 30.0% by mass or more. More preferably, it is 50.0% by mass or less.
  • the discharge stability of the second treatment liquid can be improved.
  • Nonion surfactant adjusts the surface tension of the second treatment liquid.
  • an acetylene glycol surfactant is preferable, and an ethylene oxide adduct of acetylene diol is more preferable.
  • the content ratio of the nonionic surfactant in the second treatment liquid is preferably 0.1% by mass or more and 5.0% by mass or less, preferably 0.3% by mass or more. More preferably 1.0% by mass or less.
  • the second treatment liquid is, for example, added other components (for example, water, a water-soluble organic solvent and a nonionic surfactant) to the raw material emulsion containing the binder resin particles, if necessary, and then uniformly mixed by a stirrer.
  • the raw material emulsion can be prepared, for example, by emulsion polymerization using a monomer as a raw material for a cationic resin and a cationic surfactant.
  • the ink contains, for example, a pigment and an aqueous medium.
  • the ink may further contain at least one selected from the group consisting of surfactants and binder resin particles, if necessary.
  • the pigment is, for example, dispersed in an aqueous medium.
  • the D 50 of the pigment is preferably 30 nm or more and 250 nm or less, and more preferably 70 nm or more and 160 nm or less.
  • Examples of pigments include yellow pigments, orange pigments, red pigments, blue pigments, purple pigments, and black pigments.
  • Examples of the yellow pigment include C.I. I. Pigment Yellow (74, 93, 95, 109, 110, 120, 128, 138, 139, 151, 154, 155, 173, 180, 185, and 193).
  • Examples of the orange pigment include C.I. I. Pigment oranges (34, 36, 43, 61, 63, and 71).
  • Examples of the red pigment include C.I. I. Pigment Red (122 and 202).
  • Examples of the blue pigment include C.I. I. Pigment blue (15, more specifically 15: 3).
  • Examples of the purple pigment include C.I. I. Pigment Violet (19, 23, and 33).
  • Examples of the black pigment include C.I. I. Pigment Black (7) can be mentioned.
  • the content ratio of the pigment in the ink is preferably 1% by mass or more and 12% by mass or less, and more preferably 1% by mass or more and 7% by mass or less.
  • the content ratio of the pigment in the ink is preferably 1% by mass or more and 12% by mass or less, and more preferably 1% by mass or more and 7% by mass or less.
  • aqueous medium examples of the aqueous medium contained in the ink include an aqueous medium similar to the aqueous medium described in the first embodiment.
  • the content ratio of water in the ink is preferably 20.0% by mass or more and 70.0% by mass or less, and more preferably 40.0% by mass or more and 60.0% by mass or less.
  • the ink ejection stability can be improved.
  • water-soluble organic solvent examples of the water-soluble organic solvent contained in the ink include compounds similar to the water-soluble organic solvent described in the first embodiment.
  • a glycol compound is preferable, and propylene glycol is more preferable.
  • the content ratio of the water-soluble organic solvent in the ink is preferably 10.0% by mass or more and 60.0% by mass or less, and 25.0% by mass or more and 45.0% by mass or less. Is more preferable.
  • the content ratio of the water-soluble organic solvent is preferably 10.0% by mass or more and 60.0% by mass or less, the ejection stability of the ink can be improved.
  • the ink contains a surfactant
  • the surfactant include anionic surfactants, cationic surfactants, nonionic surfactants, and amphoteric surfactants.
  • the surfactant contained in the ink is preferably a nonionic surfactant.
  • the nonionic surfactant an acetylene glycol surfactant is preferable, and an ethylene oxide adduct of acetylene diol is more preferable.
  • the content ratio of the surfactant in the ink is preferably 0.1% by mass or more and 5.0% by mass or less.
  • Binder resin particles The binder resin particles contained in the ink exist in a dispersed state in the aqueous medium.
  • the binder resin particles function as a binder that binds the printing target and the pigment. Therefore, when the ink contains the binder resin particles, it is possible to obtain a printed material having excellent pigment fixability.
  • Examples of the resin contained in the binder resin particles contained in the ink include urethane resin, (meth) acrylic resin, styrene- (meth) acrylic resin, styrene-maleic acid copolymer, vinylnaphthalene- (meth) acrylic acid copolymer, and the like. And vinylnaphthalene-maleic acid copolymers.
  • Urethane resin is preferable as the resin contained in the binder resin particles.
  • the content ratio of the binder resin particles in the ink is preferably 1% by mass or more and 20% by mass or less, and more preferably 4% by mass or more and 10% by mass or less.
  • the content ratio of the binder resin particles is preferably 1% by mass or more and 20% by mass or less, and more preferably 4% by mass or more and 10% by mass or less.
  • the ink further contains known additives (more specifically, dissolution stabilizers, anti-drying agents, antioxidants, viscosity regulators, pH regulators, fungicides, etc.), if necessary. May be good.
  • the ink is produced, for example, by using a stirrer to mix the pigment, the aqueous medium, and the components added as needed (eg, surfactant and binder resin particles).
  • the mixing time is, for example, 1 minute or more and 30 minutes or less.
  • the printed matter of the present invention is a printed matter on which an image is formed.
  • the image includes a component derived from the treatment liquid according to the first embodiment and a component derived from ink.
  • the printed matter of the present invention is formed, for example, by the treatment liquid and the ink according to the first embodiment. Therefore, the printed matter of the present invention can be easily produced and has excellent friction fastness.
  • the image may further contain a component derived from the above-mentioned second treatment liquid (for example, the above-mentioned cation component).
  • the particle size (cumulant average particle size) of the particles is determined by using a laser diffraction type particle size distribution measuring device (“Zetasizer Nano ZS” manufactured by Malvern Co., Ltd.) and ISO 13321: 1996 (Dynamic size analogysis-Phototon correlation spectrum). ), And calculated by the Cumulant method.
  • a measurement sample obtained by diluting the evaluation target with water 1000 times was used.
  • pretreatment liquid (P) 790.0 g of ion-exchanged water, cationic surfactant (Kao Corporation "Coatamine (registered trademark) 24P", lauryltrimethylammonium) in a 1 L capacity three-necked flask (reaction vessel) equipped with a thermometer and stirring blades. Chloride) 29.0 g was added. Then, using a water bath, the internal temperature of the reaction vessel was raised to 80 ° C.
  • B a mixed solution containing 89.4 g of butyl acrylate and 47.5 g of dimethylaminopropylacrylamide methyl quaternary salt
  • a mixed solution containing 0.5 g of potassium persulfate and 30.0 g of ion-exchanged water Prepared with B.
  • the mixture A and the mixture B were added dropwise to the reaction vessel over 5 hours while maintaining the internal temperature of the reaction vessel at 80 ° C.
  • the polymerization reaction was carried out by keeping the internal temperature of the reaction vessel at 80 ° C. for 2 hours.
  • the average particle size (cumulant average particle size) of the binder resin particles in the obtained resin particle dispersion was 50
  • the pretreatment liquid (P) corresponds to the second treatment liquid described in the second embodiment and the third embodiment.
  • the contents of the beaker described above were then filtered through a 120 mesh stainless steel filter. As a result, a raw material emulsion was obtained. Emulsified particles containing amino-modified silicone oil were dispersed in the raw material emulsion. The average particle size (cumulant average particle size) of the emulsified particles contained in the raw material emulsion was 150 nm.
  • post-treatment liquid (A-1) 30.0 g of the above-mentioned raw material emulsion, 32.0 g of ion-exchanged water, 32.0 g of propylene glycol as a water-soluble organic solvent, and 6.0 g of ammonium sulfate as a pH slide agent were mixed. As a result, a post-treatment liquid (A-1) was prepared.
  • post-treatment liquid (A-2) 30.0 g of the above-mentioned raw material emulsion, 32.0 g of ion-exchanged water, 32.0 g of propylene glycol as a water-soluble organic solvent, and 6.0 g of ammonium malate as a pH slide agent were mixed. As a result, a post-treatment liquid (A-2) was prepared.
  • post-treatment liquid (A-3) 30.0 g of the above-mentioned raw material emulsion, 32.0 g of ion-exchanged water, 32.0 g of propylene glycol as a water-soluble organic solvent, and 0.4 g of tetrabutylammonium trifluoromethanesulfonate as a pH slide agent were mixed. As a result, a post-treatment liquid (A-3) was prepared.
  • post-treatment liquid (A-4) 30.0 g of the above-mentioned raw material emulsion, 32.0 g of ion-exchanged water, 32.0 g of propylene glycol as a water-soluble organic solvent, and 0.4 g of isobutyl dodecylbenzenesulfonate as a pH slide agent were mixed. As a result, a post-treatment liquid (A-4) was prepared.
  • post-treatment liquid (a-1) 30.0 g of the above-mentioned raw material emulsion, 35.0 g of ion-exchanged water, and 35.0 g of propylene glycol as a water-soluble organic solvent were mixed. As a result, the post-treatment liquid (a-1) was prepared.
  • the post-treatment liquids (A-1) to (A-4) are the treatment liquids of the present invention (the treatment liquids according to the first embodiment and the first treatment liquids according to the second and third embodiments). Corresponds to.
  • the post-treatment liquid (a-1) is a post-treatment liquid different from the treatment liquid of the present invention.
  • Table 1 below shows the types and content ratios of the pH slide agents in the post-treatment liquids (A-1) to (A-4) and (a-1).
  • "-" indicates that the corresponding component is not contained.
  • a pigment dispersion liquid containing 225 g of propylene glycol and a black pigment in the above-mentioned three-necked flask (“AC-AK1” manufactured by Dainichi Seika Kogyo Co., Ltd., CI Pigment Black 7, solid content 15% by mass) 83g and binder resin particle dispersion containing binder resin particles (“Eternacol® UW-1527F” manufactured by Ube Kosan Co., Ltd., urethane resin particle emulsion, (Solid content 40% by mass) 50 g was added in this order.
  • the contents of the three-necked flask described above were then stirred for 10 minutes. As a result, ink (I-2) was obtained.
  • An evaluation textile was formed by the following method. In the formation of the printed matter for evaluation, the pretreatment liquid, the ink and the posttreatment liquid of the combinations shown in Table 2 below were used. Then, the pH of the extract extracted from the formed evaluation textile was measured. The measurement results are shown in Table 2 below.
  • Print target and evaluation machine As a printing target, cotton broad cloth (manufactured by Color Dyeing Co., Ltd., size: A4 size, cotton count of warp and weft: 40/1, warp density: 130 threads / inch, weft density: 75 threads / inch, meshing : 122 g / m 2 ) was used.
  • An inkjet printer (“Colorio® PX-045A” manufactured by Seiko Epson Corporation) was used as the evaluation machine.
  • the first ink chamber of the first cartridge was filled with a pretreatment liquid (specifically, the pretreatment liquid (P)).
  • the second ink chamber of the second cartridge was filled with ink (specifically, any one of inks (I-1) and (I-2)).
  • the third ink chamber of the third cartridge was filled with a post-treatment liquid (specifically, any one of the post-treatment liquids (A-1) to (A-4) and (a-1)).
  • the first cartridge, the second cartridge, and the third cartridge were attached to the inkjet printer.
  • the pretreatment liquid filled in the first ink chamber is discharged from the pretreatment head of the inkjet printer.
  • the ink filled in the second ink chamber is ejected from the recording head of the inkjet printer.
  • the post-treatment liquid filled in the third ink chamber is discharged from the post-treatment head of the inkjet printer.
  • the pretreatment liquid was discharged from the pretreatment head to the printing target so that the discharge amount of the pretreatment liquid was 10 g / m 2.
  • the image forming region to be printed was preprocessed.
  • ink was ejected from the recording head to the printing target so that the ink ejection amount was 20 g / m 2.
  • a solid image was formed in the image forming region to be printed.
  • the post-treatment liquid was discharged from the post-treatment head to the printing target so that the discharge amount of the post-treatment liquid was 20 g / m 2.
  • the printing object was heated at 160 ° C. for 3 minutes to dry the pretreatment liquid, the ink and the post-treatment liquid, thereby obtaining a printed material for evaluation.
  • the post-treatment liquids (A-1) to (A-4) all contained an aqueous medium and a pH slide agent. As shown in Table 2, the printed matter formed by the post-treatment liquids (A-1) to (A-4) had weak acidity and did not require washing and neutralizing treatment.
  • the post-treatment liquid (a-1) did not satisfy the above-mentioned constitution.
  • the printed matter formed with the post-treatment liquid (a-1) required a washing and neutralizing treatment after printing.
  • the treatment liquid, the inkjet printing apparatus, and the inkjet printing method according to the present invention can be used to form a printed matter.
  • the printed matter according to the present invention can be used as a garment or a material for garments.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)
PCT/JP2021/014733 2020-04-13 2021-04-07 インクジェット捺染用処理液、インクジェット捺染装置、インクジェット捺染方法及び捺染物 Ceased WO2021210462A1 (ja)

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KR20230155587A (ko) * 2021-09-07 2023-11-10 교세라 가부시키가이샤 잉크젯용 처리액, 잉크젯 날염 장치, 및 잉크젯 날염 방법
US20240301221A1 (en) * 2023-03-07 2024-09-12 Seiko Epson Corporation Coating Liquid Composition For Pigment Printing, Recording Method, And Recorded Product
WO2024252701A1 (ja) * 2023-06-06 2024-12-12 京セラ株式会社 捺染物
WO2024253137A1 (ja) * 2023-06-06 2024-12-12 京セラ株式会社 捺染物
JP2025516945A (ja) * 2022-05-25 2025-05-30 エレクトロニクス フォー イメージング，インク． 布地処理プロセス化のためのプロセスおよび装置

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CN115852714B (zh) * 2022-11-24 2024-08-23 山东中康国创先进印染技术研究院有限公司 一种织物预处理液和织物的干热转移印花方法
JP2024164920A (ja) * 2023-05-16 2024-11-28 セイコーエプソン株式会社 液体吐出装置、液体吐出装置の制御方法

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