CN113185864A - Water-based ink with high drying speed and preparation method thereof - Google Patents
Water-based ink with high drying speed and preparation method thereof Download PDFInfo
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- CN113185864A CN113185864A CN202110583020.6A CN202110583020A CN113185864A CN 113185864 A CN113185864 A CN 113185864A CN 202110583020 A CN202110583020 A CN 202110583020A CN 113185864 A CN113185864 A CN 113185864A
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- water
- agent
- tea oil
- based ink
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000001035 drying Methods 0.000 title abstract description 22
- 239000010495 camellia oil Substances 0.000 claims abstract description 43
- 239000004814 polyurethane Substances 0.000 claims abstract description 35
- 229920002635 polyurethane Polymers 0.000 claims abstract description 35
- -1 butyl acrylate-dibutyl itaconate Chemical compound 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 31
- 239000000839 emulsion Substances 0.000 claims abstract description 31
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 23
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 23
- 239000004593 Epoxy Substances 0.000 claims abstract description 23
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 6
- 239000011230 binding agent Substances 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000006185 dispersion Substances 0.000 claims description 14
- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 12
- 239000012748 slip agent Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 11
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 239000006172 buffering agent Substances 0.000 claims description 8
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 8
- OGVXYCDTRMDYOG-UHFFFAOYSA-N dibutyl 2-methylidenebutanedioate Chemical compound CCCCOC(=O)CC(=C)C(=O)OCCCC OGVXYCDTRMDYOG-UHFFFAOYSA-N 0.000 claims description 8
- 239000003995 emulsifying agent Substances 0.000 claims description 8
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920000768 polyamine Polymers 0.000 claims description 5
- 239000005056 polyisocyanate Substances 0.000 claims description 5
- 229920001228 polyisocyanate Polymers 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- 239000002671 adjuvant Substances 0.000 claims 1
- 239000013530 defoamer Substances 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 239000012808 vapor phase Substances 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 33
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 239000000976 ink Substances 0.000 description 70
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 8
- 229910021485 fumed silica Inorganic materials 0.000 description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 5
- 239000005058 Isophorone diisocyanate Substances 0.000 description 5
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000010866 blackwater Substances 0.000 description 2
- 239000001055 blue pigment Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000001054 red pigment Substances 0.000 description 2
- 239000012463 white pigment Substances 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 1
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 1
- 229940043375 1,5-pentanediol Drugs 0.000 description 1
- VZXPHDGHQXLXJC-UHFFFAOYSA-N 1,6-diisocyanato-5,6-dimethylheptane Chemical compound O=C=NC(C)(C)C(C)CCCCN=C=O VZXPHDGHQXLXJC-UHFFFAOYSA-N 0.000 description 1
- VZDIRINETBAVAV-UHFFFAOYSA-N 2,4-diisocyanato-1-methylcyclohexane Chemical compound CC1CCC(N=C=O)CC1N=C=O VZDIRINETBAVAV-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 229940051250 hexylene glycol Drugs 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- WCVRQHFDJLLWFE-UHFFFAOYSA-N pentane-1,2-diol Chemical compound CCCC(O)CO WCVRQHFDJLLWFE-UHFFFAOYSA-N 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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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)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention belongs to the technical field of ink and discloses water-based ink with high drying speed and a preparation method thereof. The water-based ink comprises the following components: a binder, a pigment, an auxiliary agent and a solvent; the connecting material comprises tea oil modified waterborne polyurethane, epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion. The prepared water-based ink has excellent comprehensive performance, has excellent adhesive force, colorability and stability, particularly has the outstanding advantage of high drying speed, and can meet the actual requirements of the ink printing industry.
Description
Technical Field
The invention belongs to the technical field of ink, and particularly relates to water-based ink with high drying speed and a preparation method thereof.
Background
The water-based ink (water ink) is an environment-friendly substitute product of solvent ink, and uses non-toxic, harmless and safe water to substitute a chemical solvent used by the traditional ink, thereby solving the problems of environmental pollution, electrostatic ignition, flammability, explosiveness and the like which are puzzled in the printing industry for a long time.
Ink-jet printing is a special printing technique that can exhibit subtle color changes on a support. However, the drying time of the water-based ink is far longer than that of the traditional solvent ink, so that the popularization and application of the water-based ink printing are greatly restricted. In order to overcome the defect of slow drying speed generated by ink-jet printing, shallow plate printing of 24-32 μm can be adopted, but the printing problems of plate drying, plate blocking and the like are easy to occur by adopting the shallow plate printing, and the printing effect is greatly influenced. In addition, when the shallow plate is used for water-ink printing, the drying system of the printing machine also needs to be modified, and the printing speed is reduced; meanwhile, the change of the printing plate to be shallow can lead to the shortening of the service life of the printing plate making and increase of the printing cost; in addition, equipment updates or modifications will also add additional cost; these are the main reasons why the printing manufacturers do not intend to use the ink and the key problems which have plagued the ink printing industry for a long time.
Therefore, it is desirable to provide a fast drying ink to meet the practical needs of the ink printing industry.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the water-based ink with high drying speed and the preparation method thereof are provided, the prepared water-based ink is excellent in comprehensive performance, has good adhesive force, colorability and stability, particularly has the outstanding advantage of high drying speed, and can meet the actual requirements of the water-based ink printing industry.
The invention provides water-based ink which comprises the following components: a binder, a pigment, an auxiliary agent and a solvent; the connecting material comprises tea oil modified waterborne polyurethane, epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion.
When the epoxy modified acrylic resin in the water-based ink is independently used as a binder of the water-based ink, the prepared water-based ink has the advantages of good adhesion, glossiness and the like, but the water resistance and the drying efficiency are poor. According to the invention, the butyl acrylate-dibutyl itaconate composite emulsion is added into the water-based ink for matching use, so that the drying efficiency of the water-based ink can be effectively improved; meanwhile, the tea oil modified waterborne polyurethane is added into the water-based ink, so that the epoxy modified acrylic resin and the butyl acrylate-dibutyl itaconate composite emulsion can generate a better matching effect, and the stability, the adhesive force and the drying efficiency of the water-based ink can be further improved.
Preferably, the solvent comprises at least one of an alcohol, an ether or water.
Preferably, the auxiliary agent comprises at least one of silicon dioxide, AMP-95 regulator, dispersant, slip agent, feeling agent, leveling agent, aqueous wax slurry or defoaming agent.
More preferably, the silica is prepared by a gas phase method, and the particle size is 1-100 nm.
Most preferably, the water-based ink comprises the following components in parts by weight: 20-30 parts of epoxy modified acrylic resin, 10-15 parts of tea oil modified waterborne polyurethane, 10-20 parts of butyl acrylate-dibutyl itaconate composite emulsion, 10-20 parts of pigment, 0.5-1 part of silicon dioxide, 0.5-0.8 part of AMP-95 regulator, 1-2 parts of dispersant, 1-2 parts of slip agent, 0.5-1.5 parts of hand feeling agent, 0.5-1.5 parts of flatting agent, 2-4 parts of aqueous wax slurry, 4-6 parts of dipropylene glycol butyl ether, 4-7 parts of isopropanol, 0.2-0.5 part of defoaming agent, 10-20 parts of ethanol and 10-20 parts of deionized water.
Preferably, the preparation method of the tea oil modified waterborne polyurethane comprises the following steps:
mixing tea oil, a catalyst and polyisocyanate for reaction; and adding polyalcohol and polyamine step by step for reaction, and adding water for dispersion to prepare the tea oil modified waterborne polyurethane.
More preferably, the tea oil modified waterborne polyurethane is prepared from the following components in parts by weight: 6-12 parts of tea oil, 0.02-0.2 part of catalyst, 8-15 parts of polyisocyanate, 5-9 parts of polyol and 2-4 parts of polyamine.
The polyhydric alcohol includes, but is not limited to, one or more of ethylene glycol, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, diethylene glycol, glycerin, pentaerythritol, dipentaerythritol, trimethylolpropane, or trimethylolethane.
The polyamine includes but is not limited to one or more of ethylenediamine, diethylenetriamine, propylenediamine, hexamethylenediamine and diethanolamine.
The catalyst includes, but is not limited to, one or more of stannous octoate or dibutyltin dilaurate.
The polyisocyanate includes, but is not limited to, one or more of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, trimethylhexamethylene diisocyanate, dicyclohexylmethane diisocyanate, xylylene diisocyanate, tetramethylxylylene diisocyanate, and hexahydrotoluene diisocyanate.
Preferably, the butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components: butyl acrylate, dibutyl itaconate, a buffering agent, an initiator, an emulsifier and water.
More preferably, the butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components in parts by weight: 45-55 parts of butyl acrylate, 3-12 parts of dibutyl itaconate, 0.05-0.08 part of buffering agent, 0.1-0.5 part of initiator, 1-3 parts of emulsifier and 40-60 parts of water.
The invention also provides a preparation method of the water-based ink, which comprises the following steps:
(1) mixing epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion for dispersing to obtain a first mixture;
(2) adding a pigment, an auxiliary agent and a solvent into the first mixture, dispersing and then grinding to obtain a second mixture;
(3) and adding the tea oil modified waterborne polyurethane into the second mixture for dispersion to obtain the waterborne ink.
In the invention, the step-by-step addition of different binders is to improve the dispersion effect among the components, so that the water-based ink product with good performance is prepared.
Preferably, the rotation speed of the dispersion in the step (1) is 500-1200r/min, and the dispersion time is 10-20 min.
Preferably, the rotation speed of the dispersion in the step (2) is 2000-3000r/min, and the dispersion time is 50-70 min.
Preferably, the fineness of the second mixture is less than or equal to 10 μm after the grinding in the step (2).
Preferably, the rotation speed of the dispersion in the step (3) is 800-.
Compared with the prior art, the invention has the following beneficial effects:
(1) the water-based ink can be diluted by ethanol and water in any proportion so as to be suitable for printing equipment and printing plate selection of different drying systems; the water-based ink has excellent drying efficiency, and can realize good water-based ink printing effect under the high-speed printing of 600 m/min.
(2) The water-based ink disclosed by the invention has a good printing effect on base materials such as PE, PET, OPP, BOPP, nylon, aluminized paper and aluminum foil, has the adhesion fastness of not less than 90%, can be compounded by solvent-free glue, alcohol sol, water glue and the like, and has excellent compounding fastness.
(3) The water-based ink disclosed by the invention has the characteristics of no toxicity and no pollution, is safe to use, has moderate use cost, and can realize 24-hour uninterrupted long-time continuous printing.
Drawings
FIG. 1 shows the results of a shallow web transition test of the water-based ink prepared according to the present invention;
FIG. 2 shows the results of a shallow web transition test for a conventional water-based ink on the market.
Detailed Description
In order to make the technical solutions of the present invention more apparent to those skilled in the art, the following examples are given for illustration. It should be noted that the following examples are only preferred embodiments of the present invention, and the claimed protection scope is not limited thereto, and any modification, substitution, combination made without departing from the spirit and principle of the present invention are included in the protection scope of the present invention.
The starting materials, reagents or apparatuses used in the following examples are conventionally commercially available or can be obtained by conventionally known methods, unless otherwise specified.
Example 1
The embodiment provides a white water-based ink which comprises the following components in parts by weight:
25 parts of epoxy modified acrylic resin, 10 parts of tea oil modified waterborne polyurethane, 20 parts of butyl acrylate-dibutyl itaconate composite emulsion, 10 parts of white pigment, 0.5 part of fumed silica, 0.6 part of AMP-95 regulator, 2 parts of dispersant, 1 part of slip agent, 1 part of hand feeling agent, 0.7 part of flatting agent, 3 parts of aqueous wax slurry, 5 parts of dipropylene glycol butyl ether, 6 parts of isopropanol, 0.3 part of defoaming agent, 13 parts of ethanol and 15 parts of deionized water.
The preparation method of the tea oil modified waterborne polyurethane comprises the following components in parts by weight:
adding 10 parts of tea oil, 0.1 part of stannous octoate and 12 parts of isophorone diisocyanate into a container for reaction; and then adding 6 parts of ethylene glycol and 3 parts of ethylenediamine step by step for reaction, and adding water for dispersion to obtain the tea oil modified waterborne polyurethane.
The butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components in parts by weight: 50 parts of butyl acrylate, 6 parts of dibutyl itaconate, 0.05 part of a buffering agent (carbonate buffer), 0.2 part of an initiator (ammonium persulfate), 2 parts of an emulsifier (DNS-86) and 45 parts of water.
The preparation method of the white water-based ink in the embodiment comprises the following steps:
(1) mixing epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion, and dispersing at the rotating speed of 1000r/min for 15min to obtain a first mixture;
(2) adding a white pigment, fumed silica, an AMP-95 regulator, a dispersing agent, a slip agent, a hand feeling agent, a leveling agent, aqueous wax slurry, dipropylene glycol butyl ether, isopropanol, a defoaming agent, ethanol and deionized water into the first mixture, dispersing for 55min at the rotating speed of 3000r/min, and grinding to the fineness of less than or equal to 10 mu m by using a grinder to obtain a second mixture;
(3) and adding the tea oil modified waterborne polyurethane into the second mixture, and dispersing for 30min at the rotating speed of 1000r/min to obtain the white waterborne ink.
Example 2
The embodiment provides a black water-based ink which comprises the following components in parts by weight:
30 parts of epoxy modified acrylic resin, 12 parts of tea oil modified waterborne polyurethane, 20 parts of butyl acrylate-dibutyl itaconate composite emulsion, 10 parts of black pigment, 0.5 part of fumed silica, 0.8 part of AMP-95 regulator, 1 part of dispersant, 1 part of slip agent, 0.6 part of hand feeling agent, 0.8 part of flatting agent, 2 parts of waterborne wax slurry, 5 parts of dipropylene glycol butyl ether, 7 parts of isopropanol, 0.4 part of defoaming agent, 10 parts of ethanol and 12 parts of deionized water.
The preparation method of the tea oil modified waterborne polyurethane comprises the following components in parts by weight:
adding 6 parts of tea oil, 0.05 part of stannous octoate and 8 parts of isophorone diisocyanate into a container for reaction; and then adding 5 parts of ethylene glycol and 2.5 parts of ethylenediamine step by step for reaction, and adding water for dispersion to prepare the tea oil modified waterborne polyurethane.
The butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components in parts by weight: 50 parts of butyl acrylate, 8 parts of dibutyl itaconate, 0.08 part of a buffering agent (carbonate buffer), 0.4 part of an initiator (ammonium persulfate), 2 parts of an emulsifier (DNS-86) and 50 parts of water.
The preparation method of the black water-based ink in the embodiment comprises the following steps:
(1) mixing epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion, and dispersing at the rotating speed of 1000r/min for 15min to obtain a first mixture;
(2) adding a black pigment, fumed silica, an AMP-95 regulator, a dispersing agent, a slip agent, a hand feeling agent, a leveling agent, aqueous wax slurry, dipropylene glycol butyl ether, isopropanol, a defoaming agent, ethanol and deionized water into the first mixture, dispersing for 55min at a rotating speed of 3000r/min, and grinding to a fineness of less than or equal to 10 microns by using a grinder to obtain a second mixture;
(3) and adding the tea oil modified waterborne polyurethane into the second mixture, and dispersing for 30min at the rotating speed of 1000r/min to obtain the black waterborne ink.
Example 3
The embodiment provides a red water-based ink which comprises the following components in parts by weight:
30 parts of epoxy modified acrylic resin, 12 parts of tea oil modified waterborne polyurethane, 15 parts of butyl acrylate-dibutyl itaconate composite emulsion, 10 parts of red pigment, 1 part of fumed silica, 0.5 part of AMP-95 regulator, 2 parts of dispersant, 2 parts of slip agent, 0.8 part of hand feeling agent, 0.6 part of flatting agent, 3 parts of aqueous wax slurry, 5 parts of dipropylene glycol butyl ether, 6 parts of isopropanol, 0.3 part of defoaming agent, 15 parts of ethanol and 15 parts of deionized water.
The preparation method of the tea oil modified waterborne polyurethane comprises the following components in parts by weight:
adding 9 parts of tea oil, 0.1 part of stannous octoate and 10 parts of isophorone diisocyanate into a container for reaction; and then adding 6 parts of ethylene glycol and 4 parts of ethylenediamine step by step for reaction, and adding water for dispersion to obtain the tea oil modified waterborne polyurethane.
The butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components in parts by weight: 55 parts of butyl acrylate, 10 parts of dibutyl itaconate, 0.08 part of a buffering agent (carbonate buffer), 0.4 part of an initiator (ammonium persulfate), 3 parts of an emulsifier (DNS-86) and 60 parts of water.
The preparation method of the red water-based ink in the embodiment comprises the following steps:
(1) mixing epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion, and dispersing at the rotating speed of 1000r/min for 15min to obtain a first mixture;
(2) adding a red pigment, fumed silica, an AMP-95 regulator, a dispersing agent, a slip agent, a hand feeling agent, a leveling agent, aqueous wax slurry, dipropylene glycol butyl ether, isopropanol, a defoaming agent, ethanol and deionized water into the first mixture, dispersing for 55min at the rotating speed of 3000r/min, and grinding to the fineness of less than or equal to 10 mu m by using a grinder to obtain a second mixture;
(3) and adding the tea oil modified waterborne polyurethane into the second mixture, and dispersing for 30min at the rotating speed of 1000r/min to prepare the red waterborne ink.
Example 4
The embodiment provides a blue water-based ink which comprises the following components in parts by weight:
23 parts of epoxy modified acrylic resin, 14 parts of tea oil modified waterborne polyurethane, 15 parts of butyl acrylate-dibutyl itaconate composite emulsion, 10 parts of blue pigment, 0.5 part of fumed silica, 0.8 part of AMP-95 regulator, 1 part of dispersant, 1 part of slip agent, 0.5 part of hand feeling agent, 1.5 parts of flatting agent, 2 parts of waterborne wax slurry, 4 parts of dipropylene glycol butyl ether, 4 parts of isopropanol, 0.3 part of defoaming agent, 20 parts of ethanol and 15 parts of deionized water.
The preparation method of the tea oil modified waterborne polyurethane comprises the following components in parts by weight:
adding 12 parts of tea oil, 0.05 part of stannous octoate and 10 parts of isophorone diisocyanate into a container for reaction; and then adding 5 parts of ethylene glycol and 3 parts of ethylenediamine step by step for reaction, and adding water for dispersion to obtain the tea oil modified waterborne polyurethane.
The butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components in parts by weight: 48 parts of butyl acrylate, 5 parts of dibutyl itaconate, 0.04 part of a buffering agent (carbonate buffer), 0.3 part of an initiator (ammonium persulfate), 2 parts of an emulsifier (DNS-86) and 48 parts of water.
The preparation method of the blue water-based ink in the embodiment comprises the following steps:
(1) mixing epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion, and dispersing at the rotating speed of 1000r/min for 15min to obtain a first mixture;
(2) adding a blue pigment, fumed silica, an AMP-95 regulator, a dispersing agent, a slip agent, a hand feeling agent, a leveling agent, aqueous wax slurry, dipropylene glycol butyl ether, isopropanol, a defoaming agent, ethanol and deionized water into the first mixture, dispersing for 55min at the rotating speed of 3000r/min, and grinding to the fineness of less than or equal to 10 mu m by using a grinder to obtain a second mixture;
(3) and adding the tea oil modified waterborne polyurethane into the second mixture, and dispersing for 30min at the rotating speed of 1000r/min to obtain the waterborne ink.
Comparative example 1
This comparative example, which provides a white water-based ink, differs from example 1 only in that: the connecting materials used in the comparative example are 35 parts of epoxy modified acrylic resin and 20 parts of tea oil modified waterborne polyurethane, and do not contain butyl acrylate-dibutyl itaconate composite emulsion.
Comparative example 2
This comparative example, which provides a white water-based ink, differs from example 1 only in that: the connecting materials used in the comparative example are 35 parts of epoxy modified acrylic resin and 20 parts of butyl acrylate-dibutyl itaconate composite emulsion, and do not contain tea oil modified waterborne polyurethane.
Comparative example 3
This comparative example, which provides a white water-based ink, differs from example 1 only in that: the connecting material used in the comparative example is 35 parts of butyl acrylate-dibutyl itaconate composite emulsion and 20 parts of tea oil modified waterborne polyurethane, and does not contain epoxy modified acrylic resin.
Product effectiveness testing
The aqueous inks obtained in examples 1 to 4 and comparative examples 1 to 3 were subjected to performance tests, the results of which are shown in Table 1:
TABLE 1 Water-based ink Performance test results
As can be seen from table 1, compared with comparative examples 1 to 3, the aqueous inks prepared in examples 1 to 4 all have excellent performances in terms of adhesion, colorability, stability, drying efficiency, and the like, which indicates that the combination of several binders, such as epoxy modified acrylic resin, butyl acrylate-dibutyl itaconate composite emulsion, tea oil modified aqueous polyurethane, and the like, can significantly enhance the overall performance of the aqueous ink. The comparison ratios 1-3 are analyzed, so that the epoxy modified acrylic resin has an important influence on the performances of improving the adhesive force, the tinting strength and the like of the water-based ink, the butyl acrylate-dibutyl itaconate composite emulsion has an important influence on the drying efficiency of the water-based ink, and meanwhile, the tea oil modified water-based polyurethane is added into the water-based ink, so that the epoxy modified acrylic resin and the butyl acrylate-dibutyl itaconate composite emulsion can generate a better matching effect, and the comprehensive performances of the water-based ink such as stability, the adhesive force, the drying efficiency and the like can be further improved.
In order to verify the drying speed and the printing effect of the water-based ink prepared by the invention in actual printing, the water-based inks with different colors prepared by the invention and a certain conventional water-based ink on the market are used as raw materials, and a light net transition test is carried out, wherein the test results are respectively shown in figures 1-2; wherein the water-based ink of the invention is printed at a printing speed of 600m/s, and the conventional water-based ink on the market is printed at a printing speed of 250 m/s.
As can be seen from FIG. 1, when the water-based ink prepared by the invention is printed at a high speed of 600m/s, the printing effect is still better when the pore diameter of the shallow net is 3-5 μm; as can be seen from FIG. 2, even when a conventional water-based ink on the market is used for printing at a relatively low printing speed of 250m/s, the printed pattern is not obvious or clear when the pore diameter of the shallow net is less than 20 μm. Therefore, compared with the existing water-based ink on the market, the water-based ink prepared by the invention has higher drying speed and better printing effect, and can meet the requirement of high-speed water-based ink printing.
Claims (10)
1. An aqueous ink comprising the following components: a binder, a pigment, an auxiliary agent and a solvent; the connecting material comprises tea oil modified waterborne polyurethane, epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion.
2. The aqueous ink of claim 1, wherein the solvent comprises at least one of an alcohol, an ether, or water.
3. The aqueous ink of claim 1, wherein the adjuvant comprises at least one of silica, an AMP-95 modifier, a dispersant, a slip agent, a handle agent, a leveling agent, an aqueous wax slurry, or a defoamer.
4. The aqueous ink according to claim 3, wherein the silica is prepared by a vapor phase method and has a particle size of 1 to 100 nm.
5. The aqueous ink according to claim 3, characterized in that it comprises the following components in parts by weight: 20-30 parts of epoxy modified acrylic resin, 10-15 parts of tea oil modified waterborne polyurethane, 10-20 parts of butyl acrylate-dibutyl itaconate composite emulsion, 10-20 parts of pigment, 0.5-1 part of silicon dioxide, 0.5-0.8 part of AMP-95 regulator, 1-2 parts of dispersant, 1-2 parts of slip agent, 0.5-1.5 parts of hand feeling agent, 0.5-1.5 parts of flatting agent, 2-4 parts of aqueous wax slurry, 4-6 parts of dipropylene glycol butyl ether, 4-7 parts of isopropanol, 0.2-0.5 part of defoaming agent, 10-20 parts of ethanol and 10-20 parts of deionized water.
6. The water-based ink as claimed in claim 1, wherein the preparation method of the tea oil modified water-based polyurethane comprises the following steps:
mixing tea oil, a catalyst and polyisocyanate for reaction; and adding polyalcohol and polyamine step by step for reaction, and adding water for dispersion to prepare the tea oil modified waterborne polyurethane.
7. The water-based ink as claimed in claim 6, wherein the tea oil modified water-based polyurethane is prepared from the following components in parts by weight: 6-12 parts of tea oil, 0.02-0.2 part of catalyst, 8-15 parts of polyisocyanate, 5-9 parts of polyol and 2-4 parts of polyamine.
8. The water-based ink according to claim 1, wherein the butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components: butyl acrylate, dibutyl itaconate, a buffering agent, an initiator, an emulsifier and water.
9. The water-based ink according to claim 8, wherein the butyl acrylate-dibutyl itaconate composite emulsion is prepared by emulsion polymerization of the following components in parts by weight: 45-55 parts of butyl acrylate, 3-12 parts of dibutyl itaconate, 0.05-0.08 part of buffering agent, 0.1-0.5 part of initiator, 1-3 parts of emulsifier and 40-60 parts of water.
10. A method of preparing an aqueous ink according to any one of claims 1 to 9, comprising the steps of:
(1) mixing epoxy modified acrylic resin and butyl acrylate-dibutyl itaconate composite emulsion for dispersing to obtain a first mixture;
(2) adding a pigment, an auxiliary agent and a solvent into the first mixture, dispersing and then grinding to obtain a second mixture;
(3) and adding the tea oil modified waterborne polyurethane into the second mixture for dispersion to obtain the waterborne ink.
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