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WO2016088847A1 - Ensemble de liquide d'impression et procédé d'impression - Google Patents

Ensemble de liquide d'impression et procédé d'impression Download PDF

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Publication number
WO2016088847A1
WO2016088847A1 PCT/JP2015/084046 JP2015084046W WO2016088847A1 WO 2016088847 A1 WO2016088847 A1 WO 2016088847A1 JP 2015084046 W JP2015084046 W JP 2015084046W WO 2016088847 A1 WO2016088847 A1 WO 2016088847A1
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WO
WIPO (PCT)
Prior art keywords
recording
weight
ink
resin fine
treatment liquid
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/JP2015/084046
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English (en)
Japanese (ja)
Inventor
牛久　正幸
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Konica Minolta Inc
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Konica Minolta Inc
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Filing date
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Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of WO2016088847A1 publication Critical patent/WO2016088847A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
    • B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
    • 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
    • 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
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
    • 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
    • B41M5/0041—Digital printing on surfaces other than ordinary paper
    • B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers

Definitions

  • the present invention relates to a recording liquid set and a recording method, and more particularly to a recording liquid set and a recording method that can be suitably used for a non-water-absorbing film.
  • Patent Document 1 discloses that an ink set composed of two types of ink is used to record an image on a plastic film.
  • Patent Document 1 two types of ink constituting an ink set are applied onto a plastic film by an ink jet method, and components derived from the respective inks are aggregated and quickly fixed, thereby causing image disturbance due to bleeding. In other words, a printed matter having excellent abrasion resistance immediately after printing is obtained.
  • an object of the present invention is to provide a recording liquid set and a recording method which are excellent in image uniformity and excellent in gloss and adhesion.
  • the present invention it is possible to provide a recording liquid set and a recording method that are excellent in image uniformity and excellent in gloss and adhesion.
  • the recording liquid set of the present invention is composed of recording ink and processing liquid.
  • the recording ink contains at least an anionic dispersed pigment, one or more organic solvents, and water.
  • the treatment liquid contains at least cationic resin fine particles and water.
  • the recording ink does not contain resin fine particles, or if it contains resin fine particles, it is contained at a weight concentration less than the weight concentration of the cationic resin fine particles contained in the treatment liquid.
  • an image can be recorded with recording ink on the surface of a recording medium precoated with a treatment liquid.
  • the anionic dispersion pigment in the recording ink is aggregated on the precoat, and the liquid deviation of the recording ink on the recording medium can be suppressed.
  • the recording liquid set of the present invention is suitably used when the recording medium is a non-water-absorbing film, and is particularly effective for, for example, a non-water-absorbing film that has been subjected to an antifogging process.
  • an anionic self-dispersing pigment or a pigment dispersed with an anionic polymer dispersing agent can be used, and in particular, an anionic polymer dispersing agent. Those obtained by dispersing the pigment by the above are preferred.
  • pigments conventionally known pigments can be used without particular limitation, and any of water-dispersible pigments, solvent-dispersible pigments and the like can be used.
  • organic pigments such as insoluble pigments and lake pigments, and inorganic pigments such as carbon black A pigment can be preferably used.
  • These pigments can be used by being present in a state of being dispersed in the ink by a polymer dispersant.
  • the insoluble pigment is not particularly limited. Dioxazine, thiazole, phthalocyanine, diketopyrrolopyrrole and the like are preferable.
  • pigments that can be preferably used include the following pigments.
  • magenta or red pigments examples include C.I. I. Pigment red 2, C.I. I. Pigment red 3, C.I. I. Pigment red 5, C.I. I. Pigment red 6, C.I. I. Pigment red 7, C.I. I. Pigment red 15, C.I. I. Pigment red 16, C.I. I. Pigment red 48: 1, C.I. I. Pigment red 53: 1, C.I. I. Pigment red 57: 1, C.I. I. Pigment red 122, C.I. I. Pigment red 123, C.I. I. Pigment red 139, C.I. I. Pigment red 144, C.I. I. Pigment red 149, C.I. I.
  • Pigment red 166 C.I. I. Pigment red 177, C.I. I. Pigment red 178, C.I. I. Pigment red 202, C.I. I. Pigment red 222, C.I. I. Pigment violet 19 and the like.
  • orange or yellow pigments examples include C.I. I. Pigment orange 31, C.I. I. Pigment orange 43, C.I. I. Pigment yellow 12, C.I. I. Pigment yellow 13, C.I. I. Pigment yellow 14, C.I. I. Pigment yellow 15, C.I. I. Pigment yellow 15: 3, C.I. I. Pigment yellow 17, C.I. I. Pigment yellow 74, C.I. I. Pigment yellow 93, C.I. I. Pigment yellow 128, C.I. I. Pigment yellow 94, C.I. I. Pigment yellow 138, C.I. I. And CI Pigment Yellow 155. In particular, C.I. I. Pigment Yellow 155 is preferable.
  • the glossiness between the image-recording portion and the non-recording portion is measured.
  • green or cyan pigments examples include C.I. I. Pigment blue 15, C.I. I. Pigment blue 15: 2, C.I. I. Pigment blue 15: 3, C.I. I. Pigment blue 16, C.I. I. Pigment blue 60, C.I. I. And CI Pigment Green 7.
  • pigment for black for example, C.I. I. Pigment black 1, C.I. I. Pigment black 6, C.I. I. Pigment black 7 and the like.
  • the polymer dispersant used for dispersing the pigment is not particularly limited as long as it is anionic, but those having a molecular weight of 5000 or more and 200000 or less can be suitably used.
  • polymer dispersant examples include 2 selected from styrene, styrene derivatives, vinyl naphthalene derivatives, acrylic acid, acrylic acid derivatives, maleic acid, maleic acid derivatives, itaconic acid, itaconic acid derivatives, fumaric acid, and fumaric acid derivatives.
  • examples thereof include a block copolymer comprising at least one kind of monomer, a random copolymer and salts thereof, polyoxyalkylene, and polyoxyalkylene alkyl ether.
  • the polymer dispersant is preferably added after neutralization with a neutralizing base.
  • the neutralizing base is not particularly limited, but is preferably an organic base such as ammonia, monoethanolamine, diethanolamine, triethanolamine, or morpholine.
  • the addition amount of the polymer dispersant is preferably 10 to 100% by weight, more preferably 10 to 40% by weight with respect to the pigment.
  • the anionic dispersed pigment has a so-called capsule pigment form in which the pigment is coated with a resin.
  • a method of coating the pigment with the resin various known methods can be used.
  • the phase inversion emulsification method, the acid precipitation method, or the pigment is dispersed with a polymerizable surfactant, and the monomer is added thereto.
  • Preferred examples include a method of coating while supplying and polymerizing.
  • the water-insoluble resin is dissolved in an organic solvent such as methyl ethyl ketone, and the acidic group in the resin is partially or completely neutralized with a base, and then the pigment and ion-exchanged water are added and dispersed. After that, a method of removing the organic solvent and adding water as necessary can be mentioned.
  • an organic solvent such as methyl ethyl ketone
  • the average particle size of the dispersed state of the anionic dispersed pigment in the recording ink is preferably 50 nm or more and less than 200 nm. Thereby, the stability of the anionic dispersion pigment can be improved, and the storage stability of the recording ink can be improved.
  • the particle size measurement of the anionic dispersion pigment can be obtained by a commercially available particle size measuring instrument using a dynamic light scattering method, an electrophoresis method or the like, but the measurement by the dynamic light scattering method is simple, and the above particles The diameter region can be measured with high accuracy.
  • the anionic dispersion pigment can be used after being dispersed by a disperser together with a dispersant and other additives necessary for various desired purposes.
  • the disperser a conventionally known ball mill, sand mill, line mill, high-pressure homogenizer, or the like can be used.
  • an ink produced by dispersion using a sand mill is preferable because of its sharp particle size distribution.
  • the material of the beads used for sand mill dispersion is not particularly limited, but is preferably zirconia or zircon from the viewpoint of preventing generation of bead fragments and contamination of ionic components. Further, the bead diameter is preferably 0.3 mm to 3 mm.
  • the content of the anionic dispersed pigment in the recording ink is not particularly limited, but is preferably in the range of 1 to 15% by weight.
  • the organic solvent contained in the recording ink is not particularly limited, but a water-soluble organic solvent is preferable.
  • water-soluble organic solvent examples include alcohols, polyhydric alcohols, amines, amides, glycol ethers, 1,2-alkanediols having 4 or more carbon atoms, and the like.
  • alcohols include methanol, ethanol, propanol, isopropanol, butanol, isobutanol, secondary butanol, and tertiary butanol.
  • polyhydric alcohols examples include ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, butylene glycol, hexanediol, pentanediol, glycerin, hexanetriol, and thiodiglycol. Preferred examples can be given.
  • amines include ethanolamine, diethanolamine, triethanolamine, N-methyldiethanolamine, N-ethyldiethanolamine, morpholine, N-ethylmorpholine, ethylenediamine, diethylenediamine, triethylenetetramine, tetraethylenepentamine, polyethyleneimine, Preferred examples include pentamethyldiethylenetriamine and tetramethylpropylenediamine.
  • amides include formamide, N, N-dimethylformamide, N, N-dimethylacetamide and the like.
  • glycol ethers examples include ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, triethylene glycol monobutyl ether, propylene glycol monopropyl ether, dipropylene glycol monomethyl ether, and tripropylene glycol.
  • Preferred examples include monomethyl ether.
  • 1,2-alkanediols having 4 or more carbon atoms for example, 1,2-butanediol, 1,2-pentanediol, 1,2-hexanediol, 1,2-heptanediol and the like are preferable. It can be illustrated.
  • Recording ink can contain one or a combination of two or more selected from these organic solvents.
  • the recording ink preferably contains one or more organic solvents having a boiling point of preferably 150 ° C. or higher, more preferably 180 ° C. or higher, whereby the effects of the present invention are more remarkably exhibited.
  • the content of the organic solvent in the recording ink is not particularly limited, but is preferably in the range of 15% by weight to 60% by weight.
  • the recording ink does not contain resin fine particles, or if it contains resin fine particles, it is contained at a weight concentration lower than the weight concentration of the cationic resin fine particles contained in the treatment liquid.
  • the resin fine particles are not particularly limited, but preferred examples include resin fine particles having a polyurethane structure, resin fine particles having a polyolefin structure such as polypropylene, and the like. Fine particles are preferred.
  • the resin fine particles contain anionic resin fine particles.
  • the average particle diameter of the resin fine particles is not particularly limited, but is preferably in the range of 10 nm to 300 nm.
  • the average particle diameter can be easily measured using a commercially available measuring device using a light scattering method or a laser Doppler method.
  • the dispersion of resin fine particles can be freeze-dried, and the average particle diameter can be converted from the particles observed with a transmission microscope.
  • the recording ink contains fine resin particles, it may preferably have less than 3% by weight. However, in the present invention, it is preferably substantially free of resin fine particles, more preferably less than 0.1% by weight, most preferably less than 0.05% by weight, and the cationic property contained in the treatment liquid. It is preferable to contain at a weight concentration less than the weight concentration of the resin fine particles.
  • the recording ink contains a surfactant. Accordingly, when applying the recording ink to the recording medium, the ejection stability can be improved when a droplet ejection method such as an inkjet method is used.
  • the surfactant is not particularly limited, and anionic surfactants such as dialkyl sulfosuccinates, alkylnaphthalene sulfonates, and fatty acid salts; polyoxyethylene alkyl ethers, polyoxyethylene alkyl allyl ethers, acetylene glycols , And nonionic surfactants such as polyoxyethylene / polyoxypropylene block copolymers; cationic surfactants such as alkylamine salts and quaternary ammonium salts; silicon surfactants; fluorine surfactants, etc. 1 type or 2 types or more can be contained in combination.
  • anionic surfactants such as dialkyl sulfosuccinates, alkylnaphthalene sulfonates, and fatty acid salts
  • polyoxyethylene alkyl ethers polyoxyethylene alkyl allyl ethers, acetylene glycols
  • nonionic surfactants such as polyoxyethylene / polyoxy
  • the content of the surfactant in the recording ink is not particularly limited, but is preferably in the range of 0.1% by weight to 3.0% by weight.
  • the content of water in the recording ink is not particularly limited, but is preferably in the range of 25% by weight to 80% by weight.
  • the cationic resin fine particles contained in the treatment liquid are not particularly limited, but cationic resin fine particles having a polyurethane structure, cationic resin fine particles having a polyolefin structure such as polypropylene, etc. can be preferably exemplified, and in particular, having a polyurethane structure. Cationic resin fine particles are preferred.
  • the average particle diameter of the cationic resin fine particles is not particularly limited, but is preferably in the range of 10 nm to 500 nm.
  • the average particle diameter can be measured using the method described above for the resin fine particles of the recording ink.
  • the content of the cationic resin fine particles in the treatment liquid is not particularly limited, but is preferably in the range of 3% by weight to 30% by weight.
  • the treatment liquid does not contain an organic solvent, or when it contains an organic solvent, it is preferably contained at a weight concentration less than the weight concentration of the organic solvent contained in the recording ink.
  • the effect of the present invention becomes remarkable when recording is performed on a non-water-absorbing film that has been subjected to antifogging processing.
  • a film containing a surfactant is used as the antifogging film, but the weight concentration of the organic solvent in the treatment liquid is lower than that of the recording ink (or the organic solvent). ),
  • the bleed-out of the surfactant from the film can be more suitably suppressed. Therefore, even when a non-water-absorbing film, particularly a film subjected to an antifogging process, is used as a recording medium, the effects of the present invention can be suitably exhibited. Further, as a result of suppressing the bleed-out of the surfactant, the wettability of the recording ink with respect to the recording medium can be stabilized. In particular, even when an organic solvent having a relatively high boiling point is used, the movement of the surfactant during drying is suppressed, and the recording ink is prevented from being repelled on the recording medium.
  • the treatment liquid contains an organic solvent
  • it can contain, for example, one or a combination of two or more selected from the organic solvents described for the recording ink.
  • the treatment liquid may contain an organic solvent having a relatively low boiling point, but can also suitably contain an organic solvent having a relatively high boiling point.
  • the treatment liquid preferably contains one or more organic solvents having a boiling point of preferably 100 ° C. or higher, more preferably 150 ° C. or higher.
  • the treatment liquid contains an organic solvent
  • it is preferably less than 30% by weight, more preferably less than 25% by weight, most preferably less than 20% by weight, and less than the weight concentration of the organic solvent contained in the recording ink. It is preferable to contain by weight concentration.
  • the treatment liquid contains a surfactant.
  • the surfactant to be contained in the treatment liquid can contain, for example, one or a combination of two or more selected from the surfactants described for the recording ink.
  • the content of the surfactant in the treatment liquid is not particularly limited, but is preferably in the range of 0.1% by weight to 3.0% by weight.
  • the water content in the treatment liquid is not particularly limited, but is preferably in the range of 40% by weight to 95% by weight.
  • recording is performed on a recording medium using the recording liquid set of the present invention described above.
  • a non-water-absorbing film can be suitably used as the recording medium.
  • a resin film can be preferably exemplified.
  • resin films for example, known resin films can be used. Specific examples include polyester films such as polyethylene terephthalate and polyethylene naphthalate, polyolefin films such as polyethylene and polypropylene, polyamide films such as nylon, polystyrene films, and polyvinyl alcohol films. And biodegradable films such as polyvinyl chloride film, polycarbonate film, polyacrylonitrile film and polylactic acid film. Particularly preferred are polyolefin film, nylon and the like.
  • the resin film may be an unstretched film, but is preferably stretched in a uniaxial or biaxial direction.
  • the surface of the resin film may be untreated, but may be subjected to various treatments such as corona discharge treatment, ozone treatment, low temperature plasma treatment, flame treatment, glow discharge treatment and the like.
  • a film that has been subjected to an antifogging process is also preferable to use as the non-water-absorbing film.
  • a film containing a surfactant is suitable as the film subjected to the antifogging process.
  • surfactant generally used surfactants can be used.
  • nonionic surfactants anionic surfactants, cationic surfactants, zwitterionic surfactants, etc. Can be illustrated.
  • the recording method of the present invention using the recording liquid set described above, it is preferable to perform recording on the surface with a recording ink after pre-coating the surface of the recording medium with the treatment liquid.
  • a treatment liquid is applied to the surface of the recording medium and dried to form a precoat.
  • a recording ink is applied to the surface of the recording medium on which the precoat is formed, for example, using a liquid application method such as an ink jet method, and dried to form an image.
  • the method for applying the treatment liquid to the recording medium is not particularly limited.
  • methods other than the inkjet method methods such as a roller coating method, a curtain coating method, and a spray coating method can be preferably exemplified.
  • a method other than the ink jet method can be preferably used because the precoat formation region with the treatment liquid can be set with a high degree of freedom.
  • the image formation area formed with the recording ink thereafter may coincide with the precoat formation area, but it is also preferable to set the precoat formation area over a wider range. Therefore, the application of the treatment liquid for forming the precoat does not necessarily require accuracy as in the ink jet method.
  • a relatively simple liquid application method such as a roller coating method, a curtain coating method, or a spray coating method. Can be preferably used, and thereby productivity can be increased.
  • the present invention it is possible to prevent a difference in glossiness between the precoat formed with the treatment liquid and the image formed with the recording ink on the precoat, so that the precoat formation region is formed in the image formation area. It is preferable to set it wider than the area.
  • the treatment liquid in particular contains more resin fine particles than the recording ink.
  • the treatment liquid preferably contains no organic solvent or less than the recording ink.
  • the viscosity range in which the droplet discharge stability in the ink jet method is easily obtained is approximately 15 mPa ⁇ s or less, but achieving this viscosity range can be a limitation in the setting of the treatment liquid formulation as described above.
  • the ink contains a high boiling point organic solvent of approximately 15% or more. It can be a restriction in setting the prescription.
  • the prescription of the treatment liquid can be appropriately set according to the type of the recording medium and the like without being restricted.
  • the prescription of the treatment liquid within the scope of the present invention according to the type of the recording medium, and thus recording can be performed with high versatility on various recording media.
  • the inkjet method is used, the inkjet head and the flow path must be cleaned each time the treatment liquid is changed, or a system equipped with the number of heads corresponding to the type of the treatment liquid is required, which reduces productivity.
  • the system load may increase, but these can be suitably improved by using a method other than the inkjet method.
  • a mixture of 3.0% by weight of styrene-acrylic acid copolymer (Johncrill 678, molecular weight 8500, acid value 215), 15% by weight of pigment (Pigment Yellow 155) as a polymer dispersant, and ion-exchanged water as the balance was premixed and then dispersed using a sand grinder filled with 50% by volume of 0.5 mm zirconia beads to prepare a pigment dispersion having a pigment content of 15% by weight.
  • the average particle diameter of the pigment particles contained in this pigment dispersion was 122 nm.
  • the particle size was measured using a Zetasizer 1000HS manufactured by Malvern.
  • Resin fine particle B-1 cationic urethane emulsion, particle size 20 nm, solid content concentration 30 wt% (Daiichi Kogyo Seiyaku “Superflex 620”) 60.0 parts by weight (solid content 18.0 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • ⁇ Ink set 2> ⁇ Preparation of recording ink> While stirring 26.7 parts by weight of the pigment dispersion prepared above, the following additives were sequentially added to prepare an ink composition, which was then filtered through a 0.8 ⁇ m filter to obtain a recording ink. It was. There was no substantial change in composition before and after filtration. The viscosity of the prepared recording ink at 25 ° C. was 5.1 mPa ⁇ s.
  • Pigment dispersion 26.7 parts by weight Resin fine particles A-1; anionic urethane emulsion, particle size 40 nm, solid content concentration 35% by weight (Daiichi Kogyo Seiyaku “Superflex 210") 4.3 parts by weight (solid 1.5 parts by weight) ⁇ Ethylene glycol 24.0 parts ⁇ Propylene glycol 8.2 parts ⁇ Silicon-based surfactant (“KF-351A” manufactured by Shin-Etsu Chemical Co., Ltd.) 0.3 part by weight ⁇ Ion-exchanged water A total amount of 100 parts by weight
  • ⁇ Ink set 3> ⁇ Preparation of recording ink> While stirring 26.7 parts by weight of the pigment dispersion prepared above, the following additives were sequentially added to prepare an ink composition, which was then filtered through a 0.8 ⁇ m filter to obtain a recording ink. It was. There was no substantial change in composition before and after filtration. The viscosity of the prepared recording ink at 25 ° C. was 5.3 mPa ⁇ s.
  • Pigment dispersion 26.7 parts by weight Resin fine particles A-1; anionic urethane emulsion, particle size 40 nm, solid content concentration 35% by weight (Daiichi Kogyo Seiyaku “Superflex 210") 11.4 parts by weight (solid (4.0 parts by weight) ⁇ Ethylene glycol 24.0 parts by weight ⁇ Propylene glycol 6.8 parts by weight ⁇ Silicon surfactant (“KF-351A” manufactured by Shin-Etsu Chemical Co., Ltd.) 0.3 part by weight ⁇ Ion-exchanged water A total amount of 100 parts by weight
  • Resin fine particle B-1 cationic urethane emulsion, particle size 20 nm, solid content concentration 30% by weight (Daiichi Kogyo Seiyaku “Superflex 620”) 16.7 parts by weight (solid content 5.0 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • Resin fine particle B-1 cationic urethane emulsion, particle size 20 nm, solid content concentration 30 wt% (Daiichi Kogyo Seiyaku “Superflex 620”) 60.0 parts by weight (solid content 18.0 parts by weight) -22.0 parts by weight of ethylene glycol-7.4 parts by weight of propylene glycol-1.0 part by weight of acetylene glycol-based surfactant-An amount that makes the total amount of ion-exchanged water 100 parts by weight
  • Resin fine particle B-2 Cationic polyolefin emulsion, particle size 70 nm, solid content concentration 27 wt% (“Arrobase” manufactured by Unitika) 66.7 parts by weight (solid content 18.0 parts by weight) -26.0 parts by weight of ethylene glycol-9.0 parts by weight of propylene glycol-1.0 part by weight of acetylene glycol-based surfactant-An amount that makes the total amount of ion-exchanged water 100 parts by weight
  • ⁇ Ink set 7> ⁇ Preparation of recording ink> While stirring 26.7 parts by weight of the pigment dispersion prepared above, the following additives were sequentially added to prepare an ink composition, which was then filtered through a 0.8 ⁇ m filter to obtain a recording ink. It was. There was no substantial change in composition before and after filtration. The viscosity of the prepared recording ink at 25 ° C. was 5.2 mPa ⁇ s.
  • Resin fine particle B-1 cationic urethane emulsion, particle size 20 nm, solid content concentration 30 wt% (Daiichi Kogyo Seiyaku “Superflex 620”) 60.0 parts by weight (solid content 18.0 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • Resin fine particle B-2 Cationic polyolefin emulsion, particle size 70 nm, solid content concentration 27 wt% (“Arrobase” manufactured by Unitika) 66.7 parts by weight (solid content 18.0 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • Resin fine particle B-1 cationic urethane emulsion, particle size 20 nm, solid content concentration 30 wt% (Daiichi Kogyo Seiyaku “Superflex 620”) 11.7 parts by weight (solid content 3.5 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • Pigment dispersion 26.7 parts by weight Resin fine particles A-1; anionic urethane emulsion, particle size 40 nm, solid content concentration 35% by weight (Daiichi Kogyo Seiyaku “Superflex 210") 14.3 parts by weight (solid Min 5.0 parts by weight) ⁇ Ethylene glycol 24.0 parts ⁇ Propylene glycol 5.3 parts by weight ⁇ Silicon-based surfactant (“KF-351A” manufactured by Shin-Etsu Chemical Co., Ltd.) 0.3 parts by weight ⁇ Ion-exchanged water A total amount of 100 parts by weight
  • Resin fine particle B-1 cationic urethane emulsion, particle size 20 nm, solid content concentration 30 wt% (Daiichi Kogyo Seiyaku “Superflex 620”) 16.6 parts by weight (solid content 5.0 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • Resin fine particles A-1 anionic urethane emulsion, particle size 40 nm, solid content concentration 35% by weight (Daiichi Kogyo Seiyaku “Superflex 210") 51.4 parts by weight (solid content 18.0 parts by weight) ⁇ Acetylene glycol surfactant 1.0 part by weight ⁇ Amount of ion exchange water to be 100 parts by weight
  • Ink 1 As the ink 1, the same ink as the recording ink of the ink set 2 was used alone without being used in combination with the treatment liquid.
  • the recording ink of the ink set is scanned at the head scanning speed by an ink jet printer equipped with a drop-on-demand piezo type ink jet head (nozzle number 1024 (512 ⁇ 2 rows), nozzle interval 70.5 ⁇ m (141 ⁇ m ⁇ 2 rows)).
  • a 45 ⁇ 45 mm square image was recorded in one scan on a part of the recording medium to which the treatment liquid was applied (on the precoat) under the conditions of 500 mm / second, ink droplet volume 42 pl, and recording density 360 ⁇ 360 dpi.
  • dpi represents the number of dots per 2.54 cm.
  • ink 1 For ink 1, the formation of a precoat was omitted, and a 45 ⁇ 45 mm square image was directly recorded on the recording medium in one scan.
  • a biaxially stretched polypropylene film (made by Futamura Chemical Co., Ltd.) (hereinafter sometimes referred to as an antifogged PP film) that has been subjected to double-side antifogging and corona treatment, and a biaxially stretched nylon that has been subjected to double-side corona treatment. Both films (manufactured by Toyobo) (hereinafter sometimes simply referred to as nylon films) were tested.
  • the uniformity of the recorded image, the gloss difference between the printed portion and the non-printed portion, and the abrasion resistance of the recorded image were evaluated.
  • the uniformity of the recorded image was the same whether the recording medium was an anti-fogging PP film or a nylon film.
  • the glossiness of only the precoat (non-printed portion) formed with the treatment liquid and the glossiness of the image (printed portion) formed with the recording ink on the precoat were measured.
  • the glossiness (%) of the printed portion when the non-printed portion was 100% was determined, and the difference between these (glossiness of the non-printed portion ⁇ glossiness of the printed portion) was defined as the glossiness difference (%).
  • Glossiness difference (absolute value) is 1% or less
  • the difference in glossiness was the same when the recording medium was an anti-fogging PP film or a nylon film.
  • the scratch resistance 1 the case where the recording medium was an anti-fogging PP film was evaluated, and as the scratch resistance 2, the case where the recording medium was a nylon film was evaluated.
  • Table 1 and Table 2 show the above evaluation results.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)

Abstract

L'objet de la présente invention est de fournir un ensemble de liquide d'impression et un procédé d'impression présentant une uniformité d'image excellente ainsi qu'une brillance et une adhérence excellentes. Ce liquide d'impression comprend : un ensemble d'encre d'impression contenant au moins un pigment de dispersion anionique, un ou plusieurs solvants organiques, et de l'eau ; et un liquide de traitement contenant au moins des microparticules de résine cationique et de l'eau. Ce procédé d'impression imprime sur un film n'absorbant pas l'eau, qui est un support d'impression, à l'aide de son ensemble de liquide d'impression.
PCT/JP2015/084046 2014-12-04 2015-12-03 Ensemble de liquide d'impression et procédé d'impression Ceased WO2016088847A1 (fr)

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JP2019073619A (ja) * 2017-10-16 2019-05-16 ブラザー工業株式会社 インクセット、画像形成方法及びインクジェット記録装置
JP2019094377A (ja) * 2017-11-20 2019-06-20 東洋インキＳｃホールディングス株式会社 水性記録液セット、およびそれらを用いた印刷物の製造方法
JP2021535853A (ja) * 2018-09-10 2021-12-23 株式会社リコー 印刷された被印刷物及び被印刷物に印刷するための方法

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JP7091784B2 (ja) * 2018-03-30 2022-06-28 ブラザー工業株式会社 インクと処理剤のセット、処理剤及び記録方法
JP7167470B2 (ja) 2018-03-30 2022-11-09 ブラザー工業株式会社 インクと処理剤のセット及び記録方法
JP2020192711A (ja) 2019-05-28 2020-12-03 セイコーエプソン株式会社 インクジェット記録方法、プライマーインク組成物およびインクジェットインク組成物

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