CN101029194B - Plastic-film water intaglio printing ink - Google Patents
Plastic-film water intaglio printing ink Download PDFInfo
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- CN101029194B CN101029194B CN 200610057929 CN200610057929A CN101029194B CN 101029194 B CN101029194 B CN 101029194B CN 200610057929 CN200610057929 CN 200610057929 CN 200610057929 A CN200610057929 A CN 200610057929A CN 101029194 B CN101029194 B CN 101029194B
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- printing ink
- intaglio printing
- plastic
- water
- ink
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Links
- 238000007639 printing Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002985 plastic film Substances 0.000 title claims abstract description 22
- 229920006255 plastic film Polymers 0.000 title claims abstract description 22
- 229920001577 copolymer Polymers 0.000 claims abstract description 47
- 239000000839 emulsion Substances 0.000 claims abstract description 43
- 239000003513 alkali Substances 0.000 claims abstract description 10
- 239000003607 modifier Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000006185 dispersion Substances 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 3
- 239000010703 silicon Substances 0.000 claims abstract description 3
- 239000011347 resin Substances 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 37
- 239000002585 base Substances 0.000 claims description 28
- 239000000049 pigment Substances 0.000 claims description 21
- 238000005576 amination reaction Methods 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000013530 defoamer Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000003518 caustics Substances 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 230000003449 preventive effect Effects 0.000 claims description 6
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 5
- KGWDUNBJIMUFAP-KVVVOXFISA-N Ethanolamine Oleate Chemical compound NCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KGWDUNBJIMUFAP-KVVVOXFISA-N 0.000 claims description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000002612 dispersion medium Substances 0.000 claims description 5
- 238000009736 wetting Methods 0.000 claims description 5
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 claims description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000976 ink Substances 0.000 abstract description 61
- 229920006243 acrylic copolymer Polymers 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
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- 238000001035 drying Methods 0.000 description 7
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- 238000004581 coalescence Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- -1 acrylic ester Chemical class 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 3
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 235000012736 patent blue V Nutrition 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- OSNILPMOSNGHLC-UHFFFAOYSA-N 1-[4-methoxy-3-(piperidin-1-ylmethyl)phenyl]ethanone Chemical compound COC1=CC=C(C(C)=O)C=C1CN1CCCCC1 OSNILPMOSNGHLC-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
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- 239000000123 paper Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000001052 yellow pigment Substances 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- AXDJCCTWPBKUKL-UHFFFAOYSA-N 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydron;chloride Chemical compound Cl.C1=CC(=N)C(C)=CC1=C(C=1C=CC(N)=CC=1)C1=CC=C(N)C=C1 AXDJCCTWPBKUKL-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 240000004160 Capsicum annuum Species 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
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- 239000001530 fumaric acid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
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- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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- 239000004408 titanium dioxide Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
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- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
A water plastic-film intaglio printing ink consists of alkali soluble acrylic copolymer, low-Tg value acrylate copolymer emulsion, high-Tg value acrylate copolymer emulsion, silicon modified acrylate copolymer emulsion as grinding dispersing medium and filming medium. Adhesion modifier, interface modifier and other various accessories are added into ink and the ink can be produced proportionally for red ink, yellow ink, blue ink, black ink and other-color inks. It has bright color, better saturation degree, alkali-resistance and dispersion.
Description
Technical field
What the present invention relates to a kind of IPC classification CO9D, CO9F field is applicable to the water-base gravure ink that is applied in the acrylate copolymer emulsion, especially a kind of plastic-film water intaglio printing ink.
Background technology
Printing ink is the greatest contamination source of present Printing industry, and world's printing ink annual production has reached about 3,500,000 tons, and annual organic volatile (VOC) discharge amount of pollution that is caused by printing ink reaches more than 500,000 tons.These organic volatiles comprise alkane, aromatic hydrocarbon, alcohols, ketone, ethers and other organic solvents, can form the Greenhouse effect even more serious than carbonic acid gas, major polluting atmosphere environment, and direct harm humans health.Be particularly useful for base gravure ink, the flexographic printing ink of the printing of packing materials such as food, beverage, medicine, daily necessities and toy for children, to the pollution of environment and the most serious to the harm of HUMAN HEALTH.Employed solvent derives from non-renewable petroleum resources mostly in these printing ink.At this situation, a kind of is that the water color ink of primary solvent has caused people's very big concern with water.Some industrially developed country last century the seventies begin to succeed in developing water color ink and introduce to the market, and China has has also researched and developed the low-grade water color ink that is used for the paper product printing subsequently.The development of water color ink is at present maked rapid progress, and is comprising on paper, cardboard, paperboard, plastics film, the multiple base material of aluminium foil and can print.Rate of drying is slow, good inadequately, the defectives such as glossiness is lower, less stable of sticking power but the water-base gravure ink that is used for plastic film printing still exists, and becomes printing ink scientific worker's a great problem.
Summary of the invention
The contriver is on the basis of water color ink of concentrating on studies for many years, utilize the characteristics of dissimilar acrylate copolymer emulsions, rational Match is learnt from other's strong points to offset one's weaknesses, again by using the sticking power improving agent, interface modifier, the optimum combination of multiple auxiliary agent such as stablizer has been made alkali resistant, anti-second alcohol and water finally and has all greatly been improved, fast drying, sticking power is splendid, and glossiness is big, the plastic-film water intaglio plate printing stock printing ink that printability is good.
For the alkali resistant that solves plastic-film water intaglio printing ink, the performance of anti-second alcohol and water, the present invention joins the fluorine-silicon modified acrylic ester copolymer emulsion in the preparation of water color ink first, and its acrylate copolymer emulsion with different Tg values (second-order transition temperature) is mixed with printing ink.The present invention has adopted the low Tg value acrylate copolymer emulsion that mixes each other, and high Tg value acrylate copolymer emulsion, fluorine-silicon modified acrylic ester copolymer emulsion are optimized the proportioning combination, as the main film forming substance of printing ink.The acrylate copolymer emulsion of low Tg value is given printing ink and is had water tolerance, grease resistance and the snappiness that good film-forming properties also can increase ink film, and to the attachment fastness of BOPP, PE, PET film; The acrylate copolymer emulsion of high Tg value, can increase ink film hardness, glossiness, thermotolerance, and can improve the rate of drying of ink film.The fluorine-silicon modified acrylic ester copolymer emulsion can improve gloss, rub resistance and the attachment fastness of ink film.Select for use organic color pigment, TiO 2 pigment and the carbon black of adaptation in water-based system as tinting material, grind with water soluble resin and be dispersed into mill base; And added multiple auxiliary agents such as adhesion promoter, interface modifier, be modulated into plastic-film water intaglio printing ink.That such printing-ink each component mixes each other, be solvent with water, be filmogen with acrylate copolymer and fluorine-silicon modified acrylic ester copolymer, have nontoxic, non-stimulated flavor, do not fire, safety and environmental protection characteristics such as not quick-fried, its drying property, attachment fastness, gloss, printability also can both reach higher level, reach on the plastics films such as the BOPP of 36～42dyn/cm, PE, PET, can adapt to the rotogravure printing that print speed is 20～100m/min in surface tension after treatment.
Though acrylate copolymer emulsion is the raw material commonly used of preparation printing ink but the fluorine-silicon modified acrylic ester copolymer emulsion is used for aqueous intaglio printing ink does not appear in the newspapers.The fluorine-silicon modified acrylic ester copolymer emulsion is to draw organosilicon functional group in the acrylic resin main chain, improves the performance of acrylic ester emulsion.This area is for the preparation of fluorine-silicon modified acrylic ester existing multiple research (Zheng Pingping etc., the progress of organosilicon-modified acrylate resin; Chen Liqiong etc., the research of organosilicon-modified acrylate emulsion performance; CN1362430A etc.).The present invention can use fluorine-silicon modified acrylic ester copolymer emulsion arbitrarily, 40-80 ℃ of preferred Tg value, the fluorine-silicon modified acrylic ester copolymer emulsion of solids content 48%.
The defoamer that the present invention uses, stablizer, dispersion agent, Antisepticize and mildew preventive, the sticking power improving agent, the interface improving agent, film coalescence aid, thinner is conventional auxiliary agent known in the art, comprise alcohols as the defoamer that is suitable for, fatty acid, phosphoric acid ester, acid amides, broad varietys such as silicone oil, be used for stablizing the stablizer of PH, dispersion agent comprises water-soluble polymer polyelectrolyte class, hydrophilic acrylate's multipolymer, linear macromolecule ionic or nonionic compound, hydrophobic copolymer dispersion agent etc., interface improving agent such as soluble barium salt etc., film coalescence aid can be an ethylene glycol monomethyl ether, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol ether acetate etc., thinner is 1: 1 weight parts water mixed alkoxide solution,, alcohols can be selected ethanol for use, Virahol, n-propyl alcohol etc.
Key point of the present invention is the combination of each composition, in weight part, and resin amination water-base resin liquid 20-70 in the mill base preparation process, pure water 10-30, stablizer 1-10, Antisepticize and mildew preventive 1-5, wetting dispersing agent 0.5-3, pigment 10-50, defoamer 0.1-1 adds up to 100.In the ink formulation process, in weight part, mill base 20-50, sticking power improving agent 1-2, interface improving agent 1-5, the acrylate copolymer emulsion 10-50 of low Tg value, the acrylate copolymer emulsion 10-30 of high Tg value, silicon modification propionic ester copolymer emulsion 10-20, film coalescence aid 1-2, defoamer 0.1-1, thinner 1-10 adds up to 100.
The technical scheme that technical solution problem of the present invention is adopted is:
1, select a kind of high acid value, low-molecular-weight caustic solubility acrylic copolymer resin for use, its acid number is 210～220mgKOH/g, molecular-weight average 6000～9000, and fabulous intermiscibility is arranged with following selected acrylate copolymer emulsion.This resin is made the grinding dispersion medium of pigment after amination.
2, screening is adapted to the organic color pigment (for example: monoazo is red, dual-azo yellow, phthalocyanine blue, phthalocyanine green etc.), TiO 2 pigment, carbon black of water-based system etc., disperseing to become mill base, as the tinting material of printing ink through grinding in the aminating resin aqueous solution.
3, select a kind of acrylate copolymer emulsion of low Tg value for use, its Tg value-16～37 ℃, solids content 48～50%; A kind of acrylate copolymer emulsion of high Tg value, 50～100 ℃ of its Tg values, solids content 48～50%; A kind of fluorine-silicon modified acrylic ester copolymer emulsion, 40～80 ℃ of its Tg values, solids content 48%.Rational proportion becomes the main material that connects of printing ink.
4, added and multiple auxiliary agents such as the sticking power improving agent of unusual effect, interface modifier have been arranged, the application performance of printing ink is further improved improving printing ink attachment fastness, stability, printability.
The invention has the beneficial effects as follows: obtain a kind of alkali resistant, anti-second alcohol and water and all greatly improve, fast drying, sticking power is splendid, glossiness is big, the plastic-film water intaglio plate printing stock printing ink that printability is good, use above-mentioned printing ink can avoid or obviously reduce, make the residual objectionable impurities of printed matter surface reach safety and sanitation standard by the environmental pollution that like product caused that contains a large amount of poisonous and harmful solvents with to the harm of HUMAN HEALTH.Also can obviously reduce energy consumption simultaneously.
Description of drawings
Preparation technology's flow process of aqueous intaglio printing ink among Fig. 1 the present invention.
Embodiment
1, grind dispersion medium and select high acid value, low-molecular-weight alkali soluble resins for use, for example: the caustic solubility acrylic copolymeric resin, toxilic acid modified acroleic acid copolymer resins, fumaric acid is acrylic resin modified etc.The present invention selects the caustic solubility acrylic copolymeric resin for use, its acid number is 210～220mgKOH/g, molecular-weight average 6000～9000, this resin becomes water soluble resin liquid through amination in pure water and Virahol or ethanol cellosolve, thanomin, with this grinding dispersion medium as tinting pigment.
Formulation examples:, see Table 1 in weight part.
Table 1 resin amination water soluble resin liquid formula embodiment
Material name example 1 example 2 examples 3
Caustic solubility acrylic copolymeric resin 30.0 30.0 30.0
Pure water 50.0 50.0 50.0
Ethyl cellosolve 3.0 3.0 3.0
Virahol 9.0 5.0
Ethanol 9.0 4.0
Thanomin 888
Defoamer 111
Add up to 100.0 100.0 100.0
Working method:
Pure water, ethyl cellosolve, Virahol or ethanol or the two mixture are dropped in the enamel reaction still by the partition amount, start stirring, slowly add the caustic solubility acrylic copolymeric resin, stir.Then the thanomin that weighs up was slowly added with 20-30 minute approximately and carry out amination reaction, controlled temperature＜50 ℃ check that pH value answers〉9.0; About 2 hours of amination reaction is constantly checked the pH value of solution therebetween, and 8.5 ~ 9.0, and the complete amination of resin and dissolving finish, and adds defoamer and stirred 10 minutes until the pH of solution value stabilization, and the container of can packing into after filtration is standby.
Above-mentioned resin amination water soluble resin liquid technical indicator is as follows:
Outward appearance: as clear as crystal, there is not mechanical impurity
Be coated with-4 viscosity: 40 ~ 80s/25 ℃
PH value: 8.5 ~ 9.0
Solids content: 〉=30%
2, mill base preparation
Various pigment as tinting material require to possess lovely luster, saturation ratio height, alkali resistance are good, easy dispersive characteristics in water-based system.For example: the P.R48:1 in the monoazo red is red, P.R48:3 is red, P.R57:1 is red; P.Y12 Huang in the disazo yellow pigment, P.Y13 Huang; P.B15:3 indigo plant in the copper phthalocyanine, P.G7 is green etc.White pigment is selected Rutile type Titanium Dioxide for use, and black pigment is selected colour carbon black for use.When pigment grinds dispersion at resin amination water soluble resin liquid, must add additives such as wetting dispersing agent, stablizer, Antisepticize and mildew preventive, defoamer.
Paste formula example:, see Table 2 in weight part:
Table 2 paste formula
The sky blue mill base black slurry of yellow slurry in the pinkish red mill base of material name
Resin amination water-base resin liquid 20 40 55 70
Pure water 14.4 30 15 10
Stablizer 10 551
Antisepticize and mildew preventive 5 3.7 1.5 1
Wetting dispersing agent 0.5 132
P.R57:1 fuchsin 6B pigment 50
P.Y12 benzidine yellow pigment 10
P.Y13 benzidine yellow G R pigment 10
P.B15:3 Phthalocyanine Blue BGS pigment 20
P.B15 phthalocyanine blue b pigment 5
Colour carbon black 10
Defoamer 0.1 0.3 0.5 1
Add up to 100.0 100.0 100.0 100.0
Working method:
In proportion container, be weighed into pure water, wetting dispersing agent, stablizer, Antisepticize and mildew preventive, defoamer etc. by formula ratio, under high speed dispersor, fully stir, dissolving evenly, be weighed into the resin amination water soluble resin liquid of formula ratio and pigment, defoamer again, continue to stir and carried out pre-dispersed about 20-30 minutes, to the fine and smooth light of slip; Pre-dispersed slip is moved to sand mill, pump into to begin in the sand mill to grind and disperse.Through several all over after grinding repeatedly, the mill base fineness after testing≤15 micron, when color and depth of shade reach and are similar to standard, the discharging container of packing into after filtration.
The technical indicator of above-mentioned mill base is as follows:
Color: approximate with standard
Depth of shade: be 95 ~ 110% of standard
Fineness :≤15 microns
3, plastic-film water intaglio printing ink preparation
Select a kind of acrylate copolymer emulsion of low Tg value for use, its Tg value-16 ~ 37 ℃, solids content 48 ~ 50%; A kind of acrylate copolymer emulsion of high Tg value, 50 ~ 100 ℃ of its Tg values, solids content 48 ~ 50%; A kind of fluorine-silicon modified acrylic ester copolymer emulsion, 40-80 ℃ of its Tg value, solids content 48%.Between three kinds of emulsions and the resin amination water-base resin liquid good consistency is arranged, press the main film forming substance of formula rate combination as printing ink of the present invention.In the mill base of resin amination water-base resin liquid for the grinding dispersion medium, add the sticking power improving agent and improve the attachment fastness of printing ink printing element, add interface modifier and further promote the attachment fastness of printing ink printing element.Emulsion, mill base and auxiliary agent (additive) have been formed plastic-film water intaglio printing ink of the present invention jointly.
Formulation examples:, see Table 3 in weight part.
Table 3 plastic-film water intaglio printing ink prescription, as follows in weight part:
(table is the Tg value (℃)) of copolymer emulsion in the bracket
The sky blue oily black oil of butter in the material name product chilli oil
Mo Momomo
Pinkish red mill base 20
Middle yellow slurry 30
Sky blue mill base 40
Black slurry 50
Sticking power improving agent 1211
Interface modifier 5122
The acrylate copolymer emulsion 50 (16) 30 (0) 10 (15) 10 (37) of low Tg value
The acrylate copolymer emulsion 10 (50) 10 (65) 30 (80) 10 (100) of high Tg value
Fluorine-silicon modified acrylic ester copolymer emulsion 10 (40) 15 (50) 10 (70) 20 (80)
Film coalescence aid 2.9 1 2.5 5
Defoamer 0.1 1 0.5 0.1
Thinner (1:1 water-alcohol solution) 1 10 4 1.9
Add up to 100.0 100.0 100.0 100.0
Working method:
In proportion container, be weighed into mill base and three kinds of emulsions, put under the high speed dispersor and stir by formula ratio; Under constantly stirring, be weighed into sticking power improving agent, interface modifier, film coalescence aid, defoamer and thinner by formula ratio, 20 ~ 30 minutes mixings of stir about, sampling is surveyed and is coated with-4 viscosity.Be filtered in the packaging vessel.
Technical target of the product is as follows:
Color (scraping the sample method): approximate test sample
Tinting strength (scraping the sample method): be 95-105% of standard
Fineness (Hegman grind gage method): 15 microns
PH value: 8.0 ~ 9.0
Viscosity (being coated with-4 glasss, 25 ℃): 20 ~ 50 seconds
First dryness (Hegman grind gage method, 25 ℃): 10 ~ 30 millimeters
Attachment fastness (scraping sample after 24 hours): rub fastness-100% nothing and come off;
Peeling off fastness-100% nothing comes off;
The water of anti-1:1 alcohol performance (soaking 2 hours): ink film does not have and comes off
Alkali resistance (1%NaOH solution soaking 2 hours): ink film does not have and comes off
Comparative example: selecting domestic, external printing ink and ink sample of the present invention for use, is example with the large red sample, carries out following performance relatively, as shown in table 4.
The various ink samples of table 4 relatively
Painted gloss fineness is coated with 4 just dried thorough dried sticking cream and rubs
Power (μ m) viscosity fastness fastness
(second (mm/3 (s/28
/25 0s25 )
℃) ℃)
Domestic corporation's sample well big 20 115 6 123 differs from
1#
Offshore company's sample is well very big 30 22 12 215 poor slightly good
2#
Well very big＜10 26 17 202 are carefully for ink sample of the present invention
Product
The 1# product attachment fastness that mainly lacks is poor, and rate of drying is slow, can use reluctantly aborning, but fundamental issue does not solve.The 2# product can use on 30-100 rice/minute gravure printing machine, but attachment fastness is poor slightly.Take out after boiling water boils half an hour with the BOPP film of aquosity intaglio printing ink printing of the present invention and to dry up, its sticking cream fastness with do not boil before identical, do not fall China ink.Put it into take out after two minutes in 40 ℃ the hydrogen peroxide of 30% concentration dry up after, gloss as before, sticking cream fastness is constant.Use proof in producing printing: the performance of water-base gravure ink of the present invention satisfies the requirement in the intaglio printing press production fully, at attachment fastness, has reached international like product advanced level on the main performance index such as rate of drying, color depth and glossiness.
Claims (9)
1. plastic-film water intaglio printing ink, it is characterized in that, utilize alkali soluble resins to become water soluble resin liquid and prepare mill base as the grinding dispersion medium of pigment through amination, made mill base and Tg value-16 ℃～37 ℃ acrylate copolymer emulsion, Tg value 50 ℃～100 ℃ acrylate copolymer emulsions, silicon modified propylene ester copolymer emulsion and auxiliary agents are evenly mixed, make the aqueous intaglio printing ink that each component mixes each other.
2. plastic-film water intaglio printing ink according to claim 1 is characterized in that, described alkali soluble resins is the caustic solubility acrylic copolymeric resin.
3. plastic-film water intaglio printing ink according to claim 2 is characterized in that, the caustic solubility acrylic copolymeric resin uses thanomin to carry out amination.
4. plastic-film water intaglio printing ink according to claim 3 is characterized in that, adds defoamer in the amination process.
According to right with requiring the described plastic-film water intaglio printing ink of the arbitrary claim of 1-4, it is characterized in that employed pigment is adapted to organic color pigment, TiO 2 pigment, the colour carbon black of water-based system.
6. plastic-film water intaglio printing ink as claimed in claim 5 is characterized in that, employed organic color pigment is that monoazo is red, dual-azo yellow, phthalocyanine blue, phthalocyanine green.
7. plastic-film water intaglio printing ink according to claim 1 is characterized in that, adds stablizer, Antisepticize and mildew preventive, wetting dispersing agent, defoamer in the mill base preparation process.
8. according to the described plastic-film water intaglio printing ink of claim 1, it is characterized in that, in preparation printing ink, added the sticking power improving agent, interface modifier.
9. the preparation method of the described plastic-film water intaglio printing ink of the arbitrary claim of claim 1-8 is characterized in that step is as follows:
(1) alkali soluble resins becomes water soluble resin liquid through amination through amination in pure water and Virahol or ethanol cellosolve, thanomin;
(2) grind dispersion preparation mill base in the resin amination water soluble resin of pigment in (1);
(3) mill base that (2) are obtained and Tg value-16 ℃～37 ℃ acrylate copolymer emulsion, Tg value 50 ℃～100 ℃ acrylate copolymer emulsions, fluorine-silicon modified acrylic ester copolymer emulsion and auxiliary agents are evenly mixed, make plastic-film water intaglio printing ink.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610057929 CN101029194B (en) | 2006-02-28 | 2006-02-28 | Plastic-film water intaglio printing ink |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610057929 CN101029194B (en) | 2006-02-28 | 2006-02-28 | Plastic-film water intaglio printing ink |
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| CN101029194B true CN101029194B (en) | 2010-08-04 |
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