WO2021193322A1 - インクジェット捺染用前処理液、インクセット、インクジェット捺染方法及びインクジェット捺染装置 - Google Patents

インクジェット捺染用前処理液、インクセット、インクジェット捺染方法及びインクジェット捺染装置 Download PDF

Info

Publication number
WO2021193322A1
WO2021193322A1 PCT/JP2021/010969 JP2021010969W WO2021193322A1 WO 2021193322 A1 WO2021193322 A1 WO 2021193322A1 JP 2021010969 W JP2021010969 W JP 2021010969W WO 2021193322 A1 WO2021193322 A1 WO 2021193322A1
Authority
WO
WIPO (PCT)
Prior art keywords
inkjet printing
pretreatment liquid
ink
mass
inkjet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2021/010969
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
潤 日置
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Document Solutions Inc
Original Assignee
Kyocera Document Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Document Solutions Inc filed Critical Kyocera Document Solutions Inc
Priority to JP2022510019A priority Critical patent/JP7355223B2/ja
Priority to US17/628,625 priority patent/US11958304B2/en
Publication of WO2021193322A1 publication Critical patent/WO2021193322A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078—Printing on textile
    • 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
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • 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
    • 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
    • B41J2/211—Mixing of inks, solvent or air prior to paper contact
    • 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
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
    • B41J2/2114—Ejecting specialized liquids, e.g. transparent or processing liquids
    • 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
    • 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
    • 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
    • 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
    • D06P1/5214—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
    • 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
    • D06P1/64—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
    • D06P1/651—Compounds without nitrogen
    • D06P1/65106—Oxygen-containing compounds
    • D06P1/65118—Compounds containing hydroxyl 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
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2066—Thermic treatments of textile materials
    • D06P5/2077—Thermic treatments of textile materials after 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
    • 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 a pretreatment liquid for inkjet printing, an ink set, an inkjet printing method, and an inkjet printing apparatus.
  • the present invention has been made in view of the above problems, and an object of the present invention is an inkjet printing pretreatment liquid, an ink set, which can form a printed matter having excellent color development while suppressing the occurrence of bleeding and deterioration of tactile sensation. It is to provide an inkjet printing method and an inkjet printing apparatus.
  • the inkjet printing pretreatment liquid according to the present invention is an inkjet printing pretreatment liquid discharged by an inkjet nozzle, and contains a specific solvent and specific resin particles.
  • the specific solvent includes water and a polyhydric alcohol.
  • the specific resin particles include a cationic resin having a cationic group.
  • the particle size of the specific resin particles is 30 nm or more and 150 nm or less.
  • the ink set according to the present invention includes an ink jet printing ink and the above-mentioned inkjet printing pretreatment liquid.
  • the inkjet printing ink contains a pigment, binder resin particles, a water-soluble organic solvent, and water.
  • the inkjet printing method is an inkjet printing method for forming an image in an image forming region to be printed using the above-mentioned ink set, and ejects the inkjet printing pretreatment liquid into the image forming region by inkjet. It includes a pretreatment step and an image forming step of ejecting the inkjet printing ink into the image forming region by inkjet.
  • the inkjet printing apparatus is an inkjet printing apparatus that forms an image in an image forming region to be printed using the above-mentioned ink set, and ejects the inkjet printing pretreatment liquid into the image forming region by inkjet. It includes a pretreatment unit and an image forming unit that ejects the inkjet printing ink into the image forming region.
  • the pretreatment liquid for inkjet printing the ink set, the inkjet printing method, and the inkjet printing apparatus according to the present invention, it is possible to form a printed matter having excellent color development while suppressing the occurrence of bleeding and deterioration of tactile sensation.
  • the measured value of the particle size is measured by the cumulant method using a dynamic light scattering type particle size distribution measuring device (“Zetasizer Nano ZS” manufactured by Sysmex Co., Ltd.). Cumulant average particle size.
  • the measured value of the medium volume diameter (D 50 ) is the value measured using a dynamic light scattering type particle size distribution measuring device (“Zetasizer Nano ZS” manufactured by Sysmex Corporation). be.
  • 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 pretreatment liquid of the present invention is a pretreatment liquid discharged by an inkjet nozzle and contains a specific solvent and specific resin particles.
  • the specific solvent includes water and a polyhydric alcohol.
  • the specific resin particles include a cationic resin having a cationic group.
  • the particle size of the specific resin particles is 30 nm or more and 150 nm or less.
  • the pretreatment liquid of the present invention contains specific resin particles containing a cationic resin.
  • a general ink used for inkjet printing contains an anionic ink component (for example, an anionic pigment and anionic binder resin particles). Therefore, when the ink is ejected to the printing target pretreated with the pretreatment liquid of the present invention, the specific resin particles contained in the pretreatment liquid and the anionic ink component aggregate on the surface of the printing target.
  • the pretreatment liquid of the present invention has a decrease in color development and tactile sensation due to the ink component penetrating into the printing target, and bleeding due to the ink component (particularly pigment) diffusing inside the printing target. Suppress the outbreak.
  • the pretreatment liquid of the present invention contains a specific solvent containing water and a polyhydric alcohol.
  • the specific solvent has a moderately low affinity for the cationic resin. Therefore, in the pretreatment liquid of the present invention, the cationic resin is not dissolved in the specific solvent and stably exists in the state of the resin particles dispersed in the specific solvent (emulsion state).
  • the specific resin particles have a relatively large particle size. Therefore, the pretreatment liquid of the present invention does not permeate the inside of the printing target when the printing target is pretreated, and the specific resin particles tend to stay on the surface of the printing target. The specific resin particles remaining on the surface of the printing target aggregate with the ink component on the surface of the printing target. From the above, the pretreatment liquid of the present invention can form a printed material having excellent color development while suppressing the occurrence of bleeding and the deterioration of tactile sensation.
  • Specific solvents include water and polyhydric alcohols.
  • the specific solvent may further contain a water-soluble organic solvent other than the polyhydric alcohol, but preferably contains only water and the polyhydric alcohol.
  • the SP value of the specific solvent is preferably 30 (J / cm 3 ) 1/2 or more and 45 (J / cm 3 ) 1/2 or less, and 35 (J / cm 3 ) 1/2 or more and 40 (J / cm 3). ) 1/2 or less is more preferable.
  • the SP value of the specific solvent is a weighted average value of the SP value of water and the SP value of a polyhydric alcohol obtained by the following formula.
  • SP value of specific solvent (mass of water x SP value of water + mass of polyhydric alcohol x SP value of polyhydric alcohol) / mass of specific solvent
  • the water content is preferably 20.0% by mass or more and 70.0% by mass or less, and more preferably 45.0% by mass or more and 60.0% by mass or less.
  • the affinity of the specific solvent and the cationic resin tends to decrease moderately. As a result, the stability of the pretreatment liquid of the present invention as an emulsion can be improved.
  • a polyhydric alcohol refers to an alkane substituted with a plurality of hydroxy groups.
  • Examples of the above-mentioned alkane include linear alkanes having 2 or more and 10 or less carbon atoms and branched alkanes having 2 or more and 10 or less carbon atoms.
  • the number of hydroxy groups contained in the polyhydric alcohol is preferably 2 or more and 5 or less, and more preferably 2 or more and 3 or less.
  • the number of carbon atoms of the polyhydric alcohol is preferably 2 or more and 5 or less, and more preferably 2 or more and 3 or less.
  • polyhydric alcohol examples include ethylene glycol, propylene glycol, butanediol, pentandiol, hexanediol, neopentyl glycol, 2-methyl-1,3-propanediol, 2-methyl-1,4-butanediol, and tetra. Hydroxylbutane, glycerin, trimethylolpropane and pentaerythritol can be mentioned.
  • the polyhydric alcohol is preferably ethylene glycol, propylene glycol or glycerin.
  • the content of the polyhydric alcohol in the pretreatment liquid of the present invention is preferably 20.0% by mass or more and 75.0% by mass or less, more preferably 30.0% by mass or more and 60.0% by mass or less, and 35.0% by mass. It is more preferably mass% or more and 45.0 mass% or less.
  • the specific resin particles include a cationic resin having a cationic group.
  • the specific resin particles are dispersed in a specific solvent to form an emulsion. Therefore, the pretreatment liquid of the present invention usually has an opaque appearance.
  • the particle size of the specific resin particles is 30 nm or more and 150 nm or less, preferably 45 nm or more and 80 nm or less.
  • the specific resin particles remaining on the surface of the printing target aggregate with the ink component on the surface of the printing target.
  • the pretreatment liquid of the present invention can form a printed matter having further excellent color development while more effectively suppressing the occurrence of bleeding and the decrease in tactile sensation.
  • the discharge property of the pretreatment liquid of the present invention can be improved.
  • the valence of the cationic group is, for example, 1 or 2.
  • the cationic group include an amino group (for example, a primary amino group, a secondary amino group and a tertiary amino group) and a quaternary ammonium group.
  • the tertiary amino group may form an aromatic heterocycle (for example, a pyridine ring).
  • the secondary amino group may form a heterocyclic amine group (for example, a piperidine ring and a pyrrolidine ring).
  • the cationic group is preferably an amino group or a quaternary ammonium group, and examples thereof include a trimethylammonium group, a dimethylamino group, a pyridyl group, a group represented by the following chemical formula (A), and -NH 2.
  • A a group represented by the following chemical formula
  • * indicates a bond, respectively.
  • the cationic group may form a salt together with an acid (for example, hydrochloric acid and acetic acid) or a halogen atom (for example, a fluorine atom, a chlorine atom, a bromine atom and an iodine atom).
  • the cationic resin preferably contains a specific repeating unit (hereinafter, may be referred to as a repeating unit (1)) derived from a cationic group-containing unsaturated monomer.
  • the cationic resin may have only the repeating unit (1) as the repeating unit, but includes the repeating unit (1) and the repeating unit (2) derived from the unsaturated monomer having no cationic group. Is preferable.
  • the cationic resin contains the repeating unit (2), the affinity between the specific solvent and the cationic resin tends to be appropriately lowered. As a result, the stability of the pretreatment liquid of the present invention as an emulsion can be improved.
  • the cationic group-containing unsaturated monomer has, for example, a cationic group and a polymerizable group (for example, a vinyl group, an allyl group, and a (meth) acryloyl group).
  • the number of cationic groups in the cationic group-containing unsaturated monomer is preferably one.
  • the number of polymerizable groups in the cationic group-containing unsaturated monomer is preferably 1 or 2.
  • Specific preferred cationic group-containing unsaturated monomers include dimethylaminopropylacrylamide methyl quaternary salt, dimethylaminopropylacrylamide hydrochloride, vinylpyridine (particularly p-vinylpyridine), diallylamine hydrochloride, and allylamine hydrochloride. ..
  • the content ratio of the repeating unit (1) in the cationic resin is preferably 10.0% by mass or more and 80.0% by mass or less, more preferably 30.0% by mass or more and 70.0% by mass or less, and 50.0% by mass. % Or more and 70.0% by mass or less is more preferable.
  • the content ratio of the repeating unit (1) is preferably 10.0% by mass or more and 80.0% by mass or less, more preferably 30.0% by mass or more and 70.0% by mass or less, and 50.0% by mass. % Or more and 70.0% by mass or less is more preferable.
  • Examples of unsaturated monomers having no cationic group include vinyl compounds, (meth) acrylic acid, (meth) acrylic acid alkyl esters, (meth) acrylic acid cycloalkyl esters, and ethylenically unsaturated carboxylic acids.
  • Examples of vinyl compounds include ethylene, propylene and styrene.
  • Examples of the (meth) acrylic acid alkyl ester include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, hexyl (meth) acrylate, and (meth).
  • Examples include octyl acrylate and 2-ethylhexyl (meth) acrylate.
  • examples of the (meth) acrylic acid cycloalkyl ester include (meth) acrylic acid cyclopentyl, (meth) acrylic acid cyclohexyl, and (meth) acrylic acid cyclooctyl.
  • examples of ethylenically unsaturated carboxylic acids include maleic acid, itaconic acid, citraconic acid, and phthalic acid.
  • the ethylenically unsaturated carboxylic acid may be an anhydride.
  • unsaturated monomer having no cationic group styrene, butyl (meth) acrylate, cyclohexyl (meth) acrylate or maleic acid are preferable.
  • the content ratio of the repeating unit (2) is preferably 20.0% by mass or more and 90.0% by mass or less, more preferably 30.0% by mass or more and 70.0% by mass or less, and 30.0% by mass. More preferably, it is by mass% or more and 50.0% by mass or less.
  • the cationic resin examples include a copolymer of butyl acrylate and dimethylaminopropylacrylamide quaternary salt, a copolymer of butyl acrylate and dimethylaminopropylacrylamide hydrochloride, and a copolymer of styrene and p-vinylpyridine.
  • the SP value of the cationic resin is preferably 10 (J / cm 3 ) 1/2 or more and 20 (J / cm 3 ) 1/2 or less, and 15 (J / cm 3 ) 1/2 or more and 20 (J / cm). 3 ) 1/2 or less is more preferable.
  • the difference between the SP value of the specific solvent and the SP value of the cationic resin is preferably 15 (J / cm 3 ) 1/2 or more and 25 (J / cm 3 ) 1/2 or less, and is 18 (J / cm 3). ) 1/2 or more and 22 (J / cm 3 ) 1/2 or less is more preferable.
  • the affinity between the specific solvent and the cationic resin is appropriately lowered. As a result, the stability of the pretreatment liquid of the present invention as an emulsion can be improved.
  • the content ratio of the specific resin particles in the pretreatment liquid of the present invention is preferably 1.0% by mass or more and 5.0% by mass or less, and more preferably 2.0% by mass or more and 3.0% by mass or less.
  • the content ratio of the specific resin particles is preferably 1.0% by mass or more and 5.0% by mass or less, and more preferably 2.0% by mass or more and 3.0% by mass or less.
  • the pretreatment liquid of the present invention may contain known additives (more specifically, for example, surfactants, dissolution stabilizers, antidrying agents, antioxidants, viscosity regulators, pH regulators and, if necessary. An antifungal agent) may be further contained.
  • the pretreatment liquid of the present invention preferably further contains a surfactant.
  • the surfactant improves the permeability (wetting property) of the pretreatment liquid of the present invention to the printing target.
  • the surfactant include anionic surfactants, cationic surfactants and nonionic surfactants.
  • a nonionic surfactant is preferable.
  • nonionic surfactant examples include polyoxyethylene dodecyl ether, polyoxyethylene hexadecyl ether, polyoxyethylene nonylphenyl ether, polyoxyethylene sorbitan monooleate ether, monodecanoyl sucrose, and polyethylene oxide addition of acetylene glycol. Things can be mentioned.
  • the ethylene oxide adduct of acetylene glycol is preferable as the nonionic surfactant.
  • the content ratio of the surfactant in the pretreatment liquid of the present invention is preferably 0.1% by mass or more and 5.0% by mass or less, preferably 0.3% by mass. % Or more and 1.0% by mass or less are more preferable.
  • the pretreatment liquid of the present invention can be prepared, for example, by mixing a resin particle dispersion liquid containing specific resin particles, water, a polyhydric alcohol, and an additive added as needed.
  • the resin particle dispersion liquid contains, for example, specific resin particles, water, and a surfactant.
  • the resin particle dispersion liquid includes, for example, a monomer (for example, a cationic group-containing unsaturated monomer and an unsaturated monomer having no cationic group) as a raw material for a cationic resin, and a surfactant (for example, a cationic surfactant).
  • Water and a polymerization initiator for example, potassium persulfate
  • emulsion polymerization for example, potassium persulfate
  • the ink set of the present invention includes an ink jet printing ink (hereinafter, may be referred to as ink) and the pretreatment liquid according to the first embodiment.
  • the ink contains a pigment, binder resin particles, a water-soluble organic solvent, and water.
  • the pigment preferably has anionic properties.
  • the binder resin particles are preferably anionic.
  • the pigment exists, for example, dispersed in a solvent.
  • 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 1.0% by mass or more and 12.0% by mass or less, and more preferably 2.0% by mass or more and 6.0% by mass or less.
  • the content ratio of the pigment in the ink is preferably 1.0% by mass or more and 12.0% by mass or less, and more preferably 2.0% by mass or more and 6.0% by mass or less.
  • the binder resin particles include a binder resin.
  • the content ratio of the binder 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.
  • binder resin examples include (meth) acrylic resin, styrene resin, polyvinyl resin, polyester resin, amino resin, epoxy resin, urethane resin, polyether resin, polyamide resin, phenol resin, silicone resin, fluororesin and these resins.
  • examples thereof include copolymers containing the above-mentioned monomers (for example, styrene- (meth) acrylic resin).
  • urethane resin is preferable.
  • the content ratio of the binder resin particles in the ink is preferably 1.0% by mass or more and 15.0% by mass or less, and more preferably 3.0% by mass or more and 10.0% 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 3.0% by mass or more and 10.0% by mass or less.
  • the content ratio of water in the ink is preferably 30.0% by mass or more and 80.0% by mass or less, and preferably 40.0% by mass or more and 60.0% by mass or less.
  • Water-soluble organic solvent 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, 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 ink is preferably 15.0% by mass or more and 60.0% by mass or less, and more preferably 25.0% by mass or more and 50.0% by mass or less.
  • the ink may be prepared with known additives (more specifically, for example, surfactants, dissolution stabilizers, anti-drying agents, antioxidants, viscosity regulators, pH regulators and antifungal agents) as needed. It may be further contained.
  • the ink preferably further contains a surfactant.
  • Surfactants improve the compatibility and dispersion stability of each component contained in the ink.
  • the surfactant improves the permeability (wetting property) of the ink to the printing target.
  • examples of the surfactant include anionic surfactants, cationic surfactants and nonionic surfactants.
  • a nonionic surfactant is preferable.
  • examples of the nonionic surfactant include compounds similar to those of the nonionic surfactant exemplified in the above-mentioned pretreatment liquid.
  • the nonionic surfactant is preferably an ethylene oxide adduct of acetylene glycol.
  • the content ratio of the surfactant in the ink is preferably 0.05% by mass or more and 5.0% by mass or less, and more preferably 0.2% by mass or more and 1.0% by mass or less. preferable.
  • a pigment dispersion liquid, a binder resin particle dispersion liquid, water, a water-soluble organic solvent, and other components (for example, a surfactant) to be blended as necessary are uniformly mixed by a stirrer.
  • the pigment dispersion liquid contains, for example, a pigment and water.
  • the binder resin particle dispersion liquid contains, for example, binder resin particles and water.
  • the inkjet printing method of the present invention is an inkjet printing method for forming an image in an image forming region to be printed using the ink set according to the second embodiment, and is a pretreatment for ejecting a pretreatment liquid into the image forming region by inkjet. It includes a step and an image forming step of ejecting ink to the image forming region by inkjet.
  • the inkjet printing method of the present invention preferably further includes a heating step of heating the printing target after the image forming step. Since the inkjet printing method of the present invention uses the ink set according to the second embodiment, it is possible to form a printed material having excellent color development while suppressing the occurrence of bleeding and deterioration of tactile sensation.
  • the printing target to be used is not particularly limited, and examples thereof include cotton fabric, silk fabric, linen fabric, acetate fabric, rayon fabric, nylon fabric, polyurethane fabric, and polyester fabric.
  • a cotton fabric is preferable as a printing target.
  • the pretreatment liquid is inkjet-discharged to the image forming region.
  • the head used in this step is not particularly limited, and examples thereof include a piezo type head and a thermal inkjet type head.
  • the discharge amount of the pretreatment liquid is, for example, 5 g / m 2 or more and 40 g / m 2 or less.
  • image formation process In this step, ink is ejected by inkjet into the image forming region to form a desired image.
  • the head used in this step is not particularly limited, and examples thereof include a piezo type head and a thermal inkjet type head.
  • the amount of ink ejected is, for example, 5 g / m 2 or more and 40 g / m 2 or less.
  • the printing object is heated after the image forming step.
  • the volatile components contained in the pretreatment liquid and the ink are removed, and the fixation of the image on the printing target is promoted.
  • the heating conditions for example, the temperature can be 120 ° C. or higher and 180 ° C. or lower, and the time can be 1 minute or longer and 10 minutes or lower.
  • the inkjet printing apparatus of the present invention is an inkjet printing apparatus that forms an image in an image forming region to be printed using the ink set according to the second embodiment, and is a pretreatment for ejecting a pretreatment liquid into the image forming region by inkjet.
  • a unit and an image forming unit that ejects ink to the image forming region by inkjet are provided. Since the inkjet printing apparatus of the present invention uses the ink set according to the second embodiment, it is possible to form a printed matter having excellent color development while suppressing the occurrence of bleeding and the deterioration of tactile sensation.
  • the pretreatment unit applies the pretreatment liquid only to the region where the ink is ejected by the image formation region among the image formation regions. As a result, the amount of pretreatment liquid used can be reduced.
  • the pretreatment unit and the image forming unit are not particularly limited, and examples thereof include a piezo type head and a thermal inkjet type head.
  • FIG. 1 is a side view showing a main part of an inkjet printing apparatus which is an example of the inkjet printing apparatus of the present invention.
  • the inkjet printing apparatus shown in FIG. 1 includes an image forming unit 1 that ejects ink, a pretreatment unit 2 that ejects a pretreatment liquid, and a mounting table 3.
  • the printing target T is placed on the mounting table 3.
  • the image forming unit 1 has a first image forming unit 1a, a second image forming unit 1b, a third image forming unit 1c, and a fourth image forming unit 1d.
  • the first image forming unit 1a, the second image forming unit 1b, the third image forming unit 1c, and the fourth image forming unit 1d are inks of different colors (for example, cyan ink, magenta ink, yellow ink, and black ink), respectively. ) Is discharged.
  • the image forming unit 1 and the pretreatment unit 2 are arranged above the mounting table 3 so that the ink and the pretreatment liquid can be ejected to the printing target T.
  • the mounting table 3 conveys the printing target T by horizontally moving in a specific direction (for example, the left direction or the right direction in FIG. 1).
  • the image forming unit 1 and the preprocessing unit 2 move horizontally in a direction orthogonal to the transport direction of the printing target T.
  • the image forming unit 1 and the pretreatment unit 2 discharge the ink and the pretreatment liquid to arbitrary positions of the printing target T, respectively.
  • the inkjet printing apparatus of FIG. 1 is a so-called flatbed type inkjet printing apparatus.
  • the inkjet printing apparatus of the present invention has been described above based on the drawings.
  • the inkjet printing apparatus of the present invention is not limited to the inkjet printing apparatus of FIG.
  • the number of recording heads included in the inkjet printing apparatus of the present invention may be 1 to 3, or 5 or more.
  • the inkjet printing apparatus of the present invention may be an inkjet printing apparatus that is not a flatbed type.
  • the inkjet printing apparatus of the present invention may include two or more pretreatment units.
  • the SP value is a value calculated by "Hansen Solubility Parameter in Practice (HSPiP) Ver.5.2.06” (developer: Prof. Steven Abbott et al.), which is SP value calculation and estimation software. show.
  • Pretreatment liquids (T-1) to (T-9) and (t-1) to (t-3) were prepared by the following methods.
  • a mixed solution A containing 89.4 g of butyl acrylate and 49.5 g of dimethylaminopropylacrylamide methyl quaternary salt and a mixed solution B containing 0.5 g of potassium persulfate and 30.0 g of ion-exchanged water are prepared. bottom. Then, the mixed solutions A and B were added dropwise to the reaction vessel over 5 hours, respectively. Next, the contents were polymerized by keeping the internal temperature of the reaction vessel at 80 ° C. for 2 hours. As a result, a resin particle dispersion liquid A was obtained.
  • the resin particle dispersion liquid A contained resin particles containing a cationic resin having a quaternary ammonium group.
  • the resin particle dispersion liquids B to G were prepared by the same method as the preparation of the resin particle dispersion liquid A except that the following points were changed.
  • resin particle dispersion liquid B (Preparation of resin particle dispersion liquid B) In the preparation of the resin particle dispersion B, 49.5 g of dimethylaminopropylacrylamide quaternary salt chloride was changed to 49.6 g of dimethylaminopropylacrylamide hydrochloride.
  • the resin particle dispersion liquid B contained resin particles containing a cationic resin having a tertiary amino group.
  • resin particle dispersion liquid C (Preparation of resin particle dispersion liquid C) In the preparation of the resin particle dispersion C, the dimethylaminopropyl acrylamide methyl tetrachloride quaternary salt was changed to the same amount of p-vinylpyridine, and the butyl acrylate was changed to the same amount of styrene.
  • the resin particle dispersion liquid C contained resin particles containing a cationic resin having a tertiary amino group.
  • resin particle dispersion liquid D (Preparation of resin particle dispersion liquid D) In the preparation of the resin particle dispersion D, 49.5 g of dimethylaminopropylacrylamide methyl quaternary salt was changed to 98.5 g of p-vinylpyridine, and 89.4 g of butyl acrylate was changed to 45.5 g of styrene.
  • the resin particle dispersion liquid D contained resin particles containing a cationic resin having a tertiary amino group.
  • resin particle dispersion liquid E (Preparation of resin particle dispersion liquid E) In the preparation of the resin particle dispersion liquid E, 49.5 g of dimethylaminopropylacrylamide methyl quaternary salt was changed to 44.5 g of N-isopropylacrylamide.
  • the resin particle dispersion liquid E contained resin particles containing a resin having an amide group.
  • resin particle dispersion liquid F (Preparation of resin particle dispersion liquid F)
  • 49.5 g of dimethylaminopropylacrylamide methyltetrachloride quaternary salt was changed to 40.0 g of diallylamine hydrochloride, and 89.4 g of butyl acrylate was changed to 75.0 g of cyclohexyl methacrylate.
  • the resin particle dispersion liquid F contained resin particles containing a cationic resin having a secondary amino group.
  • resin particle dispersion liquid G (Preparation of resin particle dispersion liquid G) In the preparation of the resin particle dispersion G, 49.5 g of dimethylaminopropylacrylamide methyl quaternary salt was changed to 15.0 g of allylamine hydrochloride, and 89.4 g of butyl acrylate was changed to 40.0 g of styrene and 40.0 g of maleic acid. changed.
  • the resin particle dispersion liquid G contained resin particles containing a cationic resin having a primary amino group.
  • the particle size of the resin particles contained in the resin particle dispersions A to G was measured by the following methods. First, a measurement sample was prepared by diluting the resin particle dispersion liquid to be measured 1000 times with ion-exchanged water. Next, the particle size (cumulant average particle size) was measured by the cumulant method using a dynamic light scattering type particle size distribution measuring device (“Zetasizer Nano ZS” manufactured by Sysmex Co., Ltd.). The measurement was performed according to "ISO (International Organization for Standardization) 13321: 1996". The measurement results are shown in Table 1 below.
  • the resin particles contained in the resin particle dispersion liquids A to D and F to G contained a cationic resin having a cationic group. That is, the resin particle dispersion liquids A to D and F to G contained specific resin particles.
  • pretreatment liquid (T-1) 20.0 g of the above resin particle dispersion liquid A, 40.0 g of ion-exchanged water, 39.5 g of propylene glycol as a water-soluble organic solvent, and a nonionic surfactant (Nissin Chemical Co., Ltd. "Surfinol (registered)"
  • a pretreatment liquid (T-1) was obtained by mixing 0.5 g of acetylene glycol ethylene oxide adduct (trademark) 440 ”.
  • the SP value of the solvent (ion-exchanged water and propylene glycol) in the pretreatment liquid (T-1) was calculated by HSPiP, it was 39 (J / cm 3 ) 1/2 .
  • pretreatment liquids (T-2) to (T-8) and (t-1) to (t-3) The pretreatment liquid was prepared in the same manner as the pretreatment liquid (T-1) except that the types and addition amounts of the resin particle dispersion liquid, the ion-exchanged water and the water-soluble organic solvent were changed as shown in Table 2 below.
  • T-2) to (T-8) and (t-1) to (t-3) were prepared.
  • the SP values of the solvents of the pretreatment liquids (T-2) to (T-8) and (t-1) to (t-3) were calculated by HSPiP. The calculation results are shown in Table 2 below.
  • the appearances of the prepared pretreatment liquids (T-1) to (T-8) and (t-1) to (t-3) were observed.
  • the pretreatment liquids (T-1) to (T-8) and (t-3) were opaque solutions. Therefore, in the pretreatment liquids (T-1) to (T-8) and (t-3), it was determined that the resin particles were dispersed in the state of the resin particles without being dissolved in the solvent.
  • the pretreatment liquids (t-1) and (t-2) were transparent solutions. Therefore, in the pretreatment liquids (t-1) and (t-2), it was determined that the resin particles were dissolved in the solvent.
  • PG propylene glycol
  • EG ethylene glycol
  • Gly triethylene glycol monobutyl ether
  • Parts and “wt%” indicate parts by mass and% by mass, respectively.
  • the solvent contained in the pretreatment liquids (T-1) to (T-8), (t-1) and (t-3) contained water and a polyhydric alcohol. That is, the solvent contained in the pretreatment liquids (T-1) to (T-8), (t-1) and (t-3) was a specific solvent.
  • Pretreatment liquids (specifically, pretreatment liquids (T-1) to (t-8) and (t-1) to (t-3)) provided in the ink set of the ink set to be evaluated in the ink chamber of the dedicated cartridge of the evaluation machine. Any of) was filled. Next, a special cartridge filled with the pretreatment liquid was attached to the evaluation machine. Then, using an evaluation machine, the pretreatment liquid was applied by inkjet ejection to the entire surface of the printing target. The amount of the pretreatment liquid applied was 10 g / m 2 . In the evaluation of the ink set of Comparative Example 4, the above operation was not performed.
  • the ink chamber of the dedicated cartridge was filled with the ink (specifically, either ink (Ia) or (Ib)) included in the ink set to be evaluated.
  • a special cartridge filled with ink was attached to the evaluation machine.
  • an ink jet was ejected onto the entire surface of the printing target to form a solid image.
  • the amount of ink applied was 20 g / m 2 .
  • the printing object on which the solid image was formed was dried by heating at 160 ° C. for 3 minutes. As a result, an evaluation printed material on which a solid image was formed was obtained.
  • a solid image of the printed material for evaluation was measured using a fluorescence spectrophotometer (“FD-5” manufactured by Konica Minolta Co., Ltd.).
  • the color development property of the printed material for evaluation was determined according to the following criteria based on the L * value of the solid image measured by the above-mentioned fluorescence spectrophotometer.
  • Pretreatment liquids (specifically, pretreatment liquids (T-1) to (t-8) and (t-1) to (t-3)) provided in the ink set of the ink set to be evaluated in the ink chamber of the dedicated cartridge of the evaluation machine. Any of) was filled. Next, a special cartridge filled with the pretreatment liquid was attached to the evaluation machine. Then, using an evaluation machine, the pretreatment liquid was applied by inkjet ejection to the entire surface of the printing target. The amount of the pretreatment liquid applied was 10 g / m 2 . In the evaluation of the ink set of Comparative Example 4, the above operation was not performed.
  • the ink chamber of the dedicated cartridge was filled with the ink (specifically, either ink (Ia) or (Ib)) included in the ink set to be evaluated.
  • a special cartridge filled with ink was attached to the evaluation machine.
  • an ink jet was ejected onto the printing target using an evaluation machine to form white thin lines (thin line-shaped images composed of an image forming portion and a fine line-shaped image non-forming portion).
  • the amount of ink applied to the image forming portion was 20 g / m 2 .
  • the line width of the thin white line is It was set to 100 ⁇ m, 250 ⁇ m, 500 ⁇ m, 750 ⁇ m or 1 mm.
  • the printing object on which the white fine lines were formed was dried by heating at 160 ° C. for 3 minutes. As a result, an evaluation printed matter on which white thin lines were formed was obtained.
  • the white thin lines of the printing material for evaluation were visually observed, and it was confirmed whether or not the white thin lines were interrupted due to the bleeding of the image forming portion.
  • the smaller the line width of the thin white line the more likely it is that a break will occur due to blurring of the image forming portion.
  • the minimum value (minimum line width) of the line width in which the image forming portion is not interrupted due to bleeding was used as the evaluation value of bleeding. Whether or not the ink set can suppress the occurrence of bleeding was determined according to the following criteria.
  • rate of change in the loop height 100 x loop height after printing / loop height before printing.
  • the lower the rate of change in the loop height the more the printed object does not become hard and does not swell even after printing, indicating that the deterioration of the tactile sensation of the printed material is suppressed.
  • Whether or not the ink set can suppress the deterioration of the tactile sensation of the printed matter was judged according to the following criteria.
  • the pretreatment liquids (T-1) to (T-9) used in the ink sets of Examples 1 to 9 are pretreatment liquids for inkjet printing discharged by an inkjet nozzle. It contained a specific solvent and specific resin particles.
  • the specific solvent contained water and a polyhydric alcohol.
  • the specific resin particles contained a cationic resin having a cationic group.
  • the particle size of the specific resin particles was 30 nm or more and 150 nm or less.
  • the ink sets of Examples 1 to 9 were able to form a printed matter having excellent color development while suppressing the occurrence of bleeding and the deterioration of tactile sensation.
  • the ink sets of Comparative Examples 1 to 4 did not satisfy the above configuration. Therefore, the ink sets of Comparative Examples 1 to 4 could not form a printed matter having excellent color development while suppressing the occurrence of bleeding and the deterioration of tactile sensation.
  • the pretreatment liquid (t-1) used in Comparative Example 1 could not suppress the occurrence of bleeding because the particle size of the resin particles was less than 30 nm. Since the resin particles contained in the pretreatment liquid (t-1) have a small diameter, it is determined that the resin particles have penetrated not only on the surface of the printing target but also inside the printing target. As a result, it is determined that the pretreatment liquid (t-1) could not fix the ink pigment on the surface to be printed.
  • the pretreatment liquid (t-2) used in Comparative Example 2 could not suppress the occurrence of bleeding because the solvent did not contain a polyhydric alcohol. Since the pretreatment liquid (t-2) has a high affinity between the solvent and the resin particles, it is determined that the resin particles cannot maintain the state as particles and the resin particles are dissolved in the solvent. This can be confirmed from the transparent appearance of the pretreatment liquid (t-2). As described above, since the resin particles contained in the pretreatment liquid (t-2) are dissolved in the solvent, it is determined that the resin particles have penetrated not only on the surface of the printing target but also inside the printing target. As a result, it is determined that the pretreatment liquid (t-2) could not fix the ink pigment on the surface to be printed.
  • Comparative Example 4 the pretreatment liquid was not used. As a result, the ink set of Comparative Example 4 could not form a printed matter having excellent color development while suppressing the occurrence of bleeding and the deterioration of tactile sensation.
  • the pretreatment liquid, ink set, inkjet printing method and inkjet printing apparatus of the present invention can be used to form a printed matter.
  • Image forming unit 1a 1st recording head 1b 2nd recording head 1c 3rd recording head 1d 4th recording head 2 Preprocessing unit 3 Mounting stand T Printing target

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
PCT/JP2021/010969 2020-03-25 2021-03-18 インクジェット捺染用前処理液、インクセット、インクジェット捺染方法及びインクジェット捺染装置 Ceased WO2021193322A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022510019A JP7355223B2 (ja) 2020-03-25 2021-03-18 インクジェット捺染用前処理液、インクセット、インクジェット捺染方法及びインクジェット捺染装置
US17/628,625 US11958304B2 (en) 2020-03-25 2021-03-18 Ink-jet textile printing pretreatment liquid, ink set, ink-jet textile printing apparatus, and ink-jet textile printing method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-054345 2020-03-25
JP2020054345 2020-03-25

Publications (1)

Publication Number Publication Date
WO2021193322A1 true WO2021193322A1 (ja) 2021-09-30

Family

ID=77890278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/010969 Ceased WO2021193322A1 (ja) 2020-03-25 2021-03-18 インクジェット捺染用前処理液、インクセット、インクジェット捺染方法及びインクジェット捺染装置

Country Status (3)

Country Link
US (1) US11958304B2 (https=)
JP (1) JP7355223B2 (https=)
WO (1) WO2021193322A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7145356B1 (ja) 2021-06-30 2022-09-30 株式会社Ｄｎｐファインケミカル 前処理インク及びこれを含むインクセット

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011105805A (ja) * 2009-11-13 2011-06-02 Union Chemicar Co Ltd インクジェット捺染用白色インク
JP2011168912A (ja) * 2010-02-18 2011-09-01 Seiko Epson Corp インクジェット捺染用前処理剤、およびインクジェット捺染方法
JP2018135445A (ja) * 2017-02-22 2018-08-30 理想科学工業株式会社 捺染用インクセット及び捺染物の製造方法
JP2019131919A (ja) * 2018-01-31 2019-08-08 セイコーエプソン株式会社 インクジェット顔料捺染用処理液組成物、インクジェット顔料捺染用処理液組成物セット及びインクジェット顔料捺染方法
JP2019178469A (ja) * 2018-03-30 2019-10-17 ブラザー工業株式会社 画像記録用処理剤、インクと画像記録用処理剤のセット及び記録方法
JP2019178470A (ja) * 2018-03-30 2019-10-17 ブラザー工業株式会社 画像記録用処理剤、インクと画像記録用処理剤のセット及び記録方法
JP2020033660A (ja) * 2018-08-28 2020-03-05 セイコーエプソン株式会社 インクジェット捺染用浸透液、インクジェット捺染用インクセットおよびインクジェット捺染方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0852868A (ja) 1994-08-10 1996-02-27 Canon Inc インクジェット記録方法および記録装置
JP5148440B2 (ja) * 2008-09-29 2013-02-20 富士フイルム株式会社 液体塗布装置、液体貯蔵方法及びインクジェット記録装置
JP2011168913A (ja) 2010-02-18 2011-09-01 Seiko Epson Corp インクジェット捺染用前処理剤、およびインクジェット捺染方法
CN102162192B (zh) 2010-02-18 2015-08-05 精工爱普生株式会社 喷墨印染用前处理剂和喷墨印染方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011105805A (ja) * 2009-11-13 2011-06-02 Union Chemicar Co Ltd インクジェット捺染用白色インク
JP2011168912A (ja) * 2010-02-18 2011-09-01 Seiko Epson Corp インクジェット捺染用前処理剤、およびインクジェット捺染方法
JP2018135445A (ja) * 2017-02-22 2018-08-30 理想科学工業株式会社 捺染用インクセット及び捺染物の製造方法
JP2019131919A (ja) * 2018-01-31 2019-08-08 セイコーエプソン株式会社 インクジェット顔料捺染用処理液組成物、インクジェット顔料捺染用処理液組成物セット及びインクジェット顔料捺染方法
JP2019178469A (ja) * 2018-03-30 2019-10-17 ブラザー工業株式会社 画像記録用処理剤、インクと画像記録用処理剤のセット及び記録方法
JP2019178470A (ja) * 2018-03-30 2019-10-17 ブラザー工業株式会社 画像記録用処理剤、インクと画像記録用処理剤のセット及び記録方法
JP2020033660A (ja) * 2018-08-28 2020-03-05 セイコーエプソン株式会社 インクジェット捺染用浸透液、インクジェット捺染用インクセットおよびインクジェット捺染方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7145356B1 (ja) 2021-06-30 2022-09-30 株式会社Ｄｎｐファインケミカル 前処理インク及びこれを含むインクセット
WO2023276978A1 (ja) * 2021-06-30 2023-01-05 株式会社Ｄｎｐファインケミカル 前処理インク及びこれを含むインクセット
JP2023007502A (ja) * 2021-06-30 2023-01-18 株式会社Ｄｎｐファインケミカル 前処理インク及びこれを含むインクセット
EP4364952A4 (en) * 2021-06-30 2025-06-25 DNP Fine Chemicals Co., Ltd. PRETREATMENT INK, AND INK SET CONTAINING SAME

Also Published As

Publication number Publication date
JPWO2021193322A1 (https=) 2021-09-30
JP7355223B2 (ja) 2023-10-03
US11958304B2 (en) 2024-04-16
US20230339236A1 (en) 2023-10-26

Similar Documents

Publication Publication Date Title
US6368397B1 (en) Ink for ink jet printing
US7438405B2 (en) Ink set for ink jet recording, ink jet recording method, and ink jet recording apparatus
US6033463A (en) Multicolor ink set and ink jet recording method
JP6493670B2 (ja) 非水系インクジェットインク組成物
US20070293601A1 (en) Non-aqueous ink-set for ink-jet and ink-jet recording method
JP2002331739A (ja) インクジェット記録方法およびインクジェット記録装置
JP2004010632A (ja) インクジェット記録用ブラックインク、インクセットおよびこれを用いたインクジェット記録方法
WO2009084600A1 (ja) インクジェット捺染用処理液、インクジェット捺染方法及びインクジェット捺染物
JP2015086389A (ja) 間接的な印刷のための適切なポリスチレンコポリマーラテックスを含有するインクジェットインク
JP2011105915A (ja) インクジェット捺染用インク組成物、インクジェット捺染方法およびインクジェット捺染物
EP3490802A1 (en) Method of inkjet printing and fixing composition
JP2008291239A (ja) インクジェット用顔料インク及びインクセット
JP2022003175A (ja) インクジェット捺染装置
US7375147B2 (en) Ink jet recording method and apparatus
JP2020007543A (ja) インクジェット捺染用インク及びインクセット
JP3915369B2 (ja) インクジェット記録方法およびインクジェット記録インク
JP2004197046A (ja) インクジェット記録用インクセット、これを用いたインクジェット記録方法及びインクジェット記録装置
JP5905705B2 (ja) インクセット
JP3207838B2 (ja) スターポリマー添加剤含有インクジェット用インキ
WO2021193322A1 (ja) インクジェット捺染用前処理液、インクセット、インクジェット捺染方法及びインクジェット捺染装置
WO2010084763A1 (ja) インクジェット記録用インク
JP2003113327A (ja) マイクロカプセル化着色剤分散液及び水性インク組成物
JP2001288390A (ja) インクジェット記録用インクセット、及びインクジェット記録方法
JP4427926B2 (ja) 記録方法
JP2001302951A (ja) インクジェット記録用インク、インクセット、インクジェット記録方法、及びインクジェット記録装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21774729

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022510019

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21774729

Country of ref document: EP

Kind code of ref document: A1