CN1626586A - Water born paint in use for plastic painting dressing and preparation method - Google Patents
Water born paint in use for plastic painting dressing and preparation method Download PDFInfo
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- CN1626586A CN1626586A CN 200310111132 CN200310111132A CN1626586A CN 1626586 A CN1626586 A CN 1626586A CN 200310111132 CN200310111132 CN 200310111132 CN 200310111132 A CN200310111132 A CN 200310111132A CN 1626586 A CN1626586 A CN 1626586A
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Abstract
A water-paint for plastics (ABS, PS, HIPS, PC/ABS, PAM, PVC, etc) is prepared from water-dispersed polymer resin water pigment slurry, water filler slurry, filming aid, assistance for water paint, and water.
Description
The objective of the invention is to propose a kind of water-borne coatings that is applicable to the frosting application, belong to chemical industry
Technical field.
Along with development of modern industry, plastics as novel material extensively substitute traditional material such as timber, iron and steel is used for all trades and professions, as automobile, household electrical appliances, building and other commercial use etc.For attractive in appearance and durable, often need to carry out application with coating.The coating that is used for plastics coating in early days is solvent reducible coatings and promptly contains a large amount of organic solvents, what relate to as Chinese patent CN1122605A is film forming matter with urethane and aminoresin, contain 20～90% dimethylbenzene, butylacetate, propylene glycol equal solvent, be used for plastics, particularly the base paint of polarity plastic basis material such as carbonic ether, polymeric amide, styrol copolymer etc.Chinese patent CN1245189 has reported high-weatherability colour acrylate paint for plastics and preparation method thereof, contains 20～60% 20～90% N-BUTYL ACETATE and toluene, is used for long-term exposure the frosting coating under environment, particularly PVC coating.As everyone knows, the shortcoming that solvent reducible coatings brings be waste energy, serious environmental pollution that resource and a large amount of organic solvents of evaporable bring, simultaneously, also there is transportation in solvent reducible coatings, stores and uses uneasy congruent shortcoming.The high-grade plastics coating of present domestic household electrical appliance, automotive industry, footwear material and furniture still adopts solvent reducible coatings in a large number, only household electrical appliance such as televisor, VCD, DVD, the paint for plastics of radio-cassette player etc., the whole nation needs the 8000-10000 ton every year approximately, adds that the organic solvent that thinner discharges in atmosphere every year reaches the 15000-20000 ton, causes severe contamination and personnel health's harm of environment.
Compare with traditional solvent based coating, water-borne coatings is to be dispersion medium with water, have do not fire, nontoxic, free from environmental pollution, low-cost, save advantages such as the resource (organic solvent) and the energy, the Water-borne modification of paint for plastics also is the development trend of following the sector.At present domesticly be applied to build, the existing many reports of water-borne coatings of woodenware, metal, paper.As, CN1380369 has reported a kind of water high-weatherability nano external wall paint and preparation method thereof; US6008273 discloses a kind of water-based paint compositions that is used for metal vessel; CN1432615A has reported a kind of aqueous environment protecting paint for wooden articles and preparation method thereof; CN1232483 has reported a kind of aqueous ink composition.
The applicant had once reported polymer nanocomposite water dispersed resin that a kind of plastics coating is used and preparation method thereof and a kind of polyurethane-polyacrylate composite Nano water dispersion and preparation method thereof respectively in CN1363637A and CN1407014A, utilize this resinoid to prepare and be used for the water-borne coatings that the frosting application is used.But the water-borne coatings and the preparation method that are used for the frosting application do not appear in the newspapers so far.
The purpose of this invention is to provide a kind of water-borne coatings that adopts the aqueous polymer dispersion resins, be used for the frosting application, reach good decoration effect.
In order to achieve the above object, the present invention takes following measure, and technical scheme of the present invention is that aqueous coating for plastic of the present invention is made up of following component: (1) a kind of aqueous polymer dispersion resin system (2) colourant slurry; (3) water-based extender paste; (4) film coalescence aid; (5) water-borne coatings used additives; (6) water.The weight part of each component is: aqueous polymer dispersion resin 60-98.4 part, tinting pigment slurry 1-25 part, extender paste 0-10 part, film coalescence aid 0.1-25 part; Water-borne coatings used additives 0.5-5 part, water 0-30 part.
A kind of aqueous polymer dispersion resin system in the aqueous coating for plastic of the present invention prescription, it is characterized in that polymer water dispersion resin system be polyacrylic ester be water dispersion, polyurethane aqueous dispersion body, polyurethane-polyacrylate compound aqueous dispersion one or more.
A kind of aqueous polymer dispersion resin system in the aqueous coating for plastic prescription of the present invention, the particle diameter of its aqueous polymer dispersion resin is the 0.02-0.5 micron, preferred polymers nanometer water dispersion resin, its particle diameter is the 0.02-0.1 micron.Compare with conventional emulsion, because the particle diameter of polymer nanocomposite water dispersion resin is littler, film forming is finer and close, smooth, luminance brightness, hardness, water tolerance, solvent resistance are good, and, Nanodispersion advances plastic surface layer because nanometer size effect is permeable in film process, can effectively improve sticking power, and the top grade that can satisfy as plastics in the fields such as household electrical appliances, automobile, motorcycle, building is coated with reload request.Polyacrylic ester is that the prescription of nanometer water dispersion and polyurethane-polyacrylate composite Nano water dispersion is formed and the preparation method carries out with the Chinese patent CN1363637A and the CN1407014A of application according to the contriver.
Other filmogens that can add in the aqueous coating for plastic prescription of the present invention are waterborne polyester dispersion, aqueous epoxy resins, water-based fluorocarbon resin.
The pigment that uses in the colourant slurry in the aqueous coating for plastic prescription of the present invention comprises that mineral dye is carbon black, titanium dioxide, chrome yellow, iron oxide pigment, and pigment dyestuff is phthalocyanine system, azo pigment; Filler is silicon-dioxide, lime carbonate.。
Film coalescence aid in the aqueous coating for plastic of the present invention prescription can be made up of with the miscible organic solvent of water some, and its organic solvent is C
1-4Alcohols, the monoether of ethylene glycol, propylene glycol, Diethylene Glycol, dipropylene glycol or bis ether kind solvent, N-Methyl pyrrolidone, preferred low toxicity or nontoxic solvent such as propyl carbinol, sec-butyl alcohol, propylene glycol first (second, fourth, benzene) ether, N-Methyl pyrrolidone, wherein the content of organic solvent in aqueous paint with flash metal luster is 0.1-25%, preferred 5-20%.
Water-borne coatings used additives in the aqueous coating for plastic prescription of the present invention is one or more combinations of wetting agent, dispersion agent, defoamer, flow agent, thickening material, sanitas and mould inhibitor.
The colourant slurry in the aqueous coating for plastic prescription of the present invention or the preparation method of water-based extender paste are as follows: (1) joins water, wetting agent, dispersion agent, part defoamer, film coalescence aid, pigment or filler, polymer nanocomposite water dispersion resin in the material-compound tank successively, after dispersed with stirring is even; (2) with above-mentioned pigment or filler mixture, join in sand mill or the ball mill, grind, prepare colourant slurry or water-based filler, milling time is determined according to the pigment slurry particle fineness.The solid content 5-60% of colourant slurry or water-based filler, preferred 20-40%.In colourant slurry or the preparation of water-based extender paste, because ordinary emulsion resin easy breakdown of emulsion under grinding at a high speed can't be used for mill base and grind preparation, traditional method generally adopts water soluble resin as matrix; And polymer nanocomposite water dispersion resin is little owing to particle, and stable resin is good, grinds not breakdown of emulsion, can replace traditional water soluble resin to be used for the grinding of colourant slurry or water-based extender paste; Because nanometer water dispersion resin is water-fast nanometer polymer particle, can improve water tolerance, acid resistance, the alkali resistance of paint film greatly simultaneously, improve the planarization and the luminance brightness of paint film appearance; The top grade that satisfies frosting is coated with reload request, and this is another characteristic of the present invention.
The preparation method of aqueous coating for plastic of the present invention is as follows: portion water, film coalescence aid, aqueous polymer dispersion resin and defoamer are added material-compound tank, stir, add colourant slurry, water-based extender paste, flow agent, thickening material, sanitas and mould inhibitor then successively, stir, regulate viscosity and pH value, filter, discharging obtains finished product coating.
The plastics coating use coating of the present invention's development can be used for the application of various frostings, be specially adapted to the external coating of ABS, PS, HIPS, PC/ABS, ABS/PS, PS/PP, POM, PAM, PVC plastics, can be used for the external coating of field plastics such as household electrical appliance, automobile, motorcycle, phone and mobile telephone, building, toy, heel, light fixture, ornaments.
Characteristics of the present invention are: the imitative metal water-borne coatings VOC content that the plastics coating of (1) the present invention preparation is used belongs to Green Product less than 250 grams per liter coating, can significantly reduce the discharging of poisonous organic solvent such as toluene, dimethylbenzene, alleviates environmental pollution; (2) the present invention preferably adopts polymer nanocomposite water dispersion resin as becoming membrane matrix, the resin particle diameter is littler, film forming is finer and close, smooth, sticking power, luminance brightness, hardness, water tolerance, solvent resistance are good, and the top grade that can satisfy as plastics in the fields such as household electrical appliances, automobile, motorcycle, building is coated with reload request.(3) in the preparation of colourant slurry or water-based extender paste, adopt polymer nanocomposite water dispersion resin can replace traditional water soluble resin, can not produce demulsifying phenomenon, simultaneously because nanometer water dispersion resin is water-fast nanometer polymer particle, can improve water tolerance, acid resistance, the alkali resistance of paint film greatly, improve the planarization and the luminance brightness of paint film appearance.
The invention will be further described below by embodiment.But the present invention is not limited to this.
Embodiment 1 plastics use aluminium paint
A. the preparation of water-based phthalocyanine blue mill base
In the container that band stirs, 0.2 part of wetting agent TRITON, dispersion agent Flowen D-900.2 part and 082 0.2 kilograms of addings of defoamer are added in the aqueous medium of forming for 30.0 parts by 10.0 parts in water, 10.0 kilograms of butyl glycol ethers and phthalocyanine blue, stirred 20 minutes; Polyacrylic ester nanometer water dispersion resin is joined in the above-mentioned pigment composition for 20.0 parts, stir after 20 minutes, change in the ball mill ball milling 1-3 hour over to, make solid content and be 41.3% phthalocyanine blue mill base.
B. plastics are with the preparation of blue water-based coating
In the mixing tank that band stirs, add 65 kilograms of polyacrylic ester nanometer water dispersion resins, 4.0 kilograms of dipropylene glycol methyl ethers, 1.0 kilograms of 082 0.2 kilograms of defoamers and Virahols, stir after 30 minutes, the water-based phthalocyanine blue mill base of above-mentioned steps A is added mixing tank for 25.0 kilograms, stirred 20 minutes, add 0.2 kilogram of thickening material sodium polyacrylate then successively, 0.1 kilogram of sanitas PT, 0.2 kilogram of mould inhibitor sodium pentachlorophenate, stir after 20 minutes, regulate pH value to 8.0 with 10% ammonia soln, viscosity is (to be coated with-4 glasss in 50 seconds, 25 ℃), filter and promptly make the blue water-based coating of plastics.
The high optical coating of embodiment 2 plastics use black
A. the preparation of aqueous black pigment slurry
In the mixing tank that band stirs, add 1.0 kilograms of wetting dispersing agent Atsurf3222 and 0.5 kilogram of adding of defoamer JC-1 by 20.0 parts of 8.0 kilograms in water, 12.0 kilograms of propylene glycol monomethyl ethers and 1.5 kilograms of ethylene glycol and high-carbon black pigments, stirred 30 minutes; Polyacrylic ester nanometer water dispersion resin is joined in the above-mentioned pigment composition for 20.0 parts, stir after 30 minutes, change in the ball mill ball milling 2-4 hour over to, make solid content and be 31.7% aqueous carbon black slurry.
B. the preparation of plastics use pearly coating
In the mixing tank that band stirs, add 70 kilograms of polyurethane-polyacrylate nanometer water dispersion resins, 2.0 kilograms of Virahols, 6.0 kilograms of diethylene glycol monomethyl ethers, defoamer JC-10.5 kilogram, stir after 30 minutes, the aqueous carbon black slurry of steps A is added in the above-mentioned resin for 15.0 kilograms, stirred 20 minutes, add 0.2 kilogram of polyvinylpyrrolidone thickening material then successively, 0.1 kilogram of sanitas MB-11,0.5 part of 0.5 kilogram of mould inhibitor METATIN55-21 and optical brightener, stir after 30 minutes, regulate pH value to 7.6 with the 10% trolamine aqueous solution, filter and promptly make the high optical coating of plastics use black.
Claims (9)
1. the water-borne coatings that plastics coating is used is characterized in that its component is: (1) a kind of aqueous polymer dispersion resin system (2) colourant slurry; (3) water-based extender paste; (4) film coalescence aid; (5) water-borne coatings used additives; (6) water.The weight part of each component is: aqueous polymer dispersion resin 60-98.4 part, tinting pigment slurry 1-25 part, extender paste 0-10 part, film coalescence aid 0.1-25 part; Water-borne coatings used additives 0.5-5 part, water 0-30 part.
2. the water-borne coatings that plastics coating according to claim 1 is used, it is characterized in that polymer water dispersion resin system be polyacrylic ester be water dispersion, polyurethane aqueous dispersion body, polyurethane-polyacrylate compound aqueous dispersion one or more.
3. the water-borne coatings that plastics coating according to claim 1 and 2 is used, the particle diameter that it is characterized in that the aqueous polymer dispersion resin is the 0.02-0.5 micron; Preferred polymers nanometer water dispersion resin, particle diameter is the 0.02-0.1 micron.
4. the water-borne coatings that plastics coating according to claim 1 is used is characterized in that also can adding other filmogens in the above-mentioned component.
5. the water-borne coatings that plastics coating according to claim 1 is used is characterized in that; Tinting pigment comprises that mineral dye is carbon black, titanium dioxide, iron oxide pigment, and pigment dyestuff is phthalocyanine system, azo pigment; Filler is silicon-dioxide, lime carbonate.
6. the water-borne coatings that plastics coating according to claim 1 is used is characterized in that film coalescence aid can be made up of with the miscible organic solvent of water some, and wherein the content of organic solvent in water-borne coatings is 1-25%, preferred 5-20%.
7. the water-borne coatings that plastics coating according to claim 1 is used is characterized in that the water-borne coatings used additives is one or more combinations of wetting agent, dispersion agent, defoamer, flow agent, thickening material, sanitas and mould inhibitor.
8. according to claim 1 and 5 described colourant slurries or water-based extender paste, it is levied and is that its preparation method is as follows: (1) joins water, wetting agent, dispersion agent, part defoamer, film coalescence aid, pigment or filler, polymer nanocomposite water dispersion resin in the material-compound tank successively, after dispersed with stirring is even; (2) with above-mentioned pigment or filler mixture, join in sand mill or the ball mill, grind, prepare colourant slurry or water-based filler, milling time is determined according to the pigment slurry particle fineness.The solid content 5-60% of colourant slurry or water-based filler, preferred 20-40%.
9. the water-borne coatings that plastics coating according to claim 1 is used, the preparation method who it is characterized in that it is as follows: portion water, film coalescence aid, aqueous polymer dispersion resin and defoamer are added material-compound tank, stir, add colourant slurry, water-based extender paste, flow agent, thickening material, sanitas and mould inhibitor then successively, stir, regulate viscosity and pH value, filter, discharging obtains finished product coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310111132 CN1626586A (en) | 2003-12-08 | 2003-12-08 | Water born paint in use for plastic painting dressing and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310111132 CN1626586A (en) | 2003-12-08 | 2003-12-08 | Water born paint in use for plastic painting dressing and preparation method |
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| CN1626586A true CN1626586A (en) | 2005-06-15 |
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| CN 200310111132 Pending CN1626586A (en) | 2003-12-08 | 2003-12-08 | Water born paint in use for plastic painting dressing and preparation method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102618020A (en) * | 2011-01-28 | 2012-08-01 | 比亚迪股份有限公司 | Polyurethane emulsion, preparation method of the polyurethane emulsion, nanometer color paste, preparation method of the nanometer color paste, ultraviolet light-cured coating composition and preparation method of the ultraviolet light-cured coating composition |
| CN102781592A (en) * | 2009-12-18 | 2012-11-14 | 化学工业有限公司 | Product and process for simultaneous cleaning, painting, and impregnation of an aqueous base for plastic pieces |
| CN101747818B (en) * | 2009-11-27 | 2013-10-30 | 广州擎天实业有限公司 | Water-based paint for quick-drying alcohol-resistance plastics and preparation method thereof |
| CN104231901A (en) * | 2014-10-11 | 2014-12-24 | 江苏华夏制漆科技有限公司 | Water-based elastic rubber paint and preparation method thereof |
| CN104250508A (en) * | 2014-09-06 | 2014-12-31 | 清远市浩宇化工科技有限公司 | Preparation method for high-performance aqueous PP paint |
| CN104277515A (en) * | 2014-09-24 | 2015-01-14 | 苏州博利迈新材料科技有限公司 | Plastic protective coating capable of being underwater used and preparation method thereof |
| CN108441010A (en) * | 2018-01-30 | 2018-08-24 | 东莞市佳乾新材料科技有限公司 | A kind of heat-insulated polyacrylate water paint of exterior wall and preparation method thereof |
| CN109694631A (en) * | 2018-12-28 | 2019-04-30 | 波态（上海）新材料科技有限公司 | A kind of single-component water-based colored paint and preparation method thereof |
| CN111518412A (en) * | 2020-04-22 | 2020-08-11 | 窦敏辉 | Non-sulfonated aqueous metal complex dye with low heavy metal content |
| CN114891434A (en) * | 2022-05-24 | 2022-08-12 | 江苏佳境生态工程技术有限公司 | Permeable concrete environment-friendly protective agent and preparation method thereof |
-
2003
- 2003-12-08 CN CN 200310111132 patent/CN1626586A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747818B (en) * | 2009-11-27 | 2013-10-30 | 广州擎天实业有限公司 | Water-based paint for quick-drying alcohol-resistance plastics and preparation method thereof |
| CN102781592A (en) * | 2009-12-18 | 2012-11-14 | 化学工业有限公司 | Product and process for simultaneous cleaning, painting, and impregnation of an aqueous base for plastic pieces |
| CN102618020A (en) * | 2011-01-28 | 2012-08-01 | 比亚迪股份有限公司 | Polyurethane emulsion, preparation method of the polyurethane emulsion, nanometer color paste, preparation method of the nanometer color paste, ultraviolet light-cured coating composition and preparation method of the ultraviolet light-cured coating composition |
| CN102618020B (en) * | 2011-01-28 | 2015-03-04 | 比亚迪精密制造有限公司 | Polyurethane emulsion, preparation method of the polyurethane emulsion, nanometer color paste, preparation method of the nanometer color paste, ultraviolet light-cured coating composition and preparation method of the ultraviolet light-cured coating composition |
| CN104250508A (en) * | 2014-09-06 | 2014-12-31 | 清远市浩宇化工科技有限公司 | Preparation method for high-performance aqueous PP paint |
| CN104277515A (en) * | 2014-09-24 | 2015-01-14 | 苏州博利迈新材料科技有限公司 | Plastic protective coating capable of being underwater used and preparation method thereof |
| CN104231901A (en) * | 2014-10-11 | 2014-12-24 | 江苏华夏制漆科技有限公司 | Water-based elastic rubber paint and preparation method thereof |
| CN108441010A (en) * | 2018-01-30 | 2018-08-24 | 东莞市佳乾新材料科技有限公司 | A kind of heat-insulated polyacrylate water paint of exterior wall and preparation method thereof |
| CN109694631A (en) * | 2018-12-28 | 2019-04-30 | 波态（上海）新材料科技有限公司 | A kind of single-component water-based colored paint and preparation method thereof |
| CN111518412A (en) * | 2020-04-22 | 2020-08-11 | 窦敏辉 | Non-sulfonated aqueous metal complex dye with low heavy metal content |
| CN111518412B (en) * | 2020-04-22 | 2022-01-07 | 窦敏辉 | Non-sulfonated aqueous metal complex dye with low heavy metal content |
| CN114891434A (en) * | 2022-05-24 | 2022-08-12 | 江苏佳境生态工程技术有限公司 | Permeable concrete environment-friendly protective agent and preparation method thereof |
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