CN102408803A - High-performance water-based paint for medium and small mechanical equipment and preparation method thereof - Google Patents
High-performance water-based paint for medium and small mechanical equipment and preparation method thereof Download PDFInfo
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- CN102408803A CN102408803A CN2011103643339A CN201110364333A CN102408803A CN 102408803 A CN102408803 A CN 102408803A CN 2011103643339 A CN2011103643339 A CN 2011103643339A CN 201110364333 A CN201110364333 A CN 201110364333A CN 102408803 A CN102408803 A CN 102408803A
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Abstract
The invention discloses a high-performance water-based paint for medium and small mechanical equipment, which comprises the following components in percentage by weight: 35-45% of water-based resin, 8-15% of full methylated amino resin, 2-8% of dispersant, 1-5% of pigment, 0.5-1% of wetting and leveling agent, 0.5-1% of thixotropic agent, 0.5-1% of defoaming agent, 0.1-0.8% of flash etching inhibitor, 0.1-0.8% of mildew inhibitor, 1-5% of film forming assistant and 30-40% of deionized water. The invention also discloses a preparation method of the high-performance water-based paint. The high-performance water-based paint has the characteristics of water dilution property, energy saving, environmental protection and the like, and is convenient for construction; the coating has the advantages of high aging resistance, solvent resistance, moisture and heat resistance, high gloss, high fullness and favorable mechanical properties; and the properties of the paint film achieve or exceed those of similar type oil-based products.
Description
Technical field
The present invention relates to a kind of chemistry painting industry, especially relate to a kind of water-borne coatings that is used for middle-size and small-size mechanized equipment, the invention still further relates to the preparation method of this coating.
Background technology
China far lags behind international most advanced level at high-performance coating Water-borne modification technical elements.High-performance water-based coating has comparative advantage in industrially developed country.The most of employing of the machinery water-based application in West Europe; U.S.A, day etc. are national up to 40～50%, and China's water-borne coatings only accounts for 15% in the industrial coating field at present, mainly concentrates on the manufacturing of foreign capitals brand passenger car.
The enterprise of domestic production mechanized equipment use high-performance coating is mainly international esbablished corporations such as BASF, ippon, PPG, and its output accounts for 90% of domestic industry use high-performance coating ultimate production, all is used for the passenger car application.Because mechanized equipment and passenger car require emphasis and technology all to differ bigger at manufacturing processed, coating quality, product type is also different, therefore can't apply mechanically.Currently domesticly satisfy the mechanized equipment Water-borne modification application degree of self-sufficiency less than 10%; Mainly concentrate on machinery chassis etc. and require undercoat manufacturings such as lower Application Areas and priming paint electrophoresis; And be applied to the high-performance of mechanized equipment external coating, the compound coating technology that high-decoration requires is not used widely as yet, particularly meet the water-based high-performance coating technology that REACH requires and do not appear in the newspapers especially.
Summary of the invention
The purpose of this invention is to provide a kind of high-performance water-based coating that is used for middle-size and small-size mechanized equipment, this high-performance water-based coating has water-dilutable, easy construction, coating and possesses good physicochemical performance.
Another object of the present invention provides the preparation method of above-mentioned high-performance water-based coating.
A kind of high-performance water-based coating that is used for middle-size and small-size mechanized equipment provided by the invention comprises the component of following weight percentage content:
Water-base resin 35 ~ 45%
Full methyl-etherified aminoresin 8 ~ 15%
Dispersion agent 2 ~ 8%
Pigment 1 ~ 5%
Moistening flatting agent 0.5 ~ 1%
Thixotropic agent 0.5 ~ 1%
Skimmer 0.5 ~ 1%
The anti-sudden strain of a muscle lost agent 0.1 ~ 0.8%
Mould inhibitor 0.1 ~ 0.8%
Film coalescence aid 1 ~ 5%
Deionized water 30 ~ 40%.
Water-base resin of the present invention is meant one or more the mixture in water soluble acrylic acid dispersion-s, aqueous acrylic emulsion and the aqueous polyester resin, like corresponding products such as German BASF AG, Bayer A.G, the special company of U.S.'s cyanogen, Niu Peisi resin companies.
Full methyl-etherified aminoresin of the present invention is meant water-soluble HMMM aminoresin, as U.S. hydrogen special 303, corresponding products such as 747 of first promise.
Dispersion agent of the present invention is meant the high-molecular weight polymer dispersion agent that contains a plurality of anchoring groups, like corresponding products such as the BYK184 of Bi Ke company, BYK2012, BYK180, Solsperse26000.
Pigment of the present invention is meant corresponding products such as high-carbon black pigment.
Moistening flatting agent of the present invention is meant one or more the mixture among BYK346, BYK349, BYK333, BYK381, EFKA-3772, EFKA-3580, TEGO270 and the TEGO280.
Thixotropic agent of the present invention is meant the polymer-modified or aerosil of urea, like corresponding products such as BYK-420, BYK-425, Borchi Gel 0620, PS-166, N20, AEROSIL200, AEROSIL R972, AEROSIL R812.
Skimmer of the present invention is meant one or more the mixture among BYK024, BYK011, BYK022, TEGO825 and the TEGO810.
Anti-sudden strain of a muscle erosion agent of the present invention refers to delay the solution of corrosion of metal, like Halox-550, Halox-515, FLASH-X330 or their mixture etc.
Mould inhibitor of the present invention is to prevent in the coating because of the diseaseful auxiliary agent of the existence of water, like PROMEXTM Na20S, PROMEXTM 20D, PROMEXTM Na10S or their mixture etc.
Film coalescence aid of the present invention is meant the auxiliary agent that helps coating film, like corresponding products such as TEXANOL, ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, Ucar 35.
The preparation method who is used for the high-performance water-based coating of middle-size and small-size mechanized equipment provided by the invention may further comprise the steps:
(1) get the part water-base resin, this part water-base resin accounts for 20 ~ 50% of water-base resin total amount, adds in the steel basin; Add dispersion agent again, add pigment while stirring, add the part skimmer then; This part skimmer accounts for 40 ~ 80% of skimmer total amount, and the gained material is uniformly dispersed at last;
(2) with finely dispersed material in the step (1) levigate after; Add remaining water-base resin, full methyl-etherified aminoresin, moistening flatting agent, thixotropic agent, remaining skimmer, anti-erosion agent, mould inhibitor, film coalescence aid, the deionized water of dodging, stir the adjustment pH value; Leave standstill, filtration promptly gets.
In the above-mentioned steps (1), material disperseed 20 ~ 40 minutes with the rotating speed of 1000-2500rpm/min, because high-speed stirring produces heat, needed the monitoring temperature of charge, guaranteed that temperature of charge is no more than 50 ℃.In the above-mentioned steps (2), material adopts sand mill to grind.When the material fineness reaches 5 ~ 10 microns, can carry out next step operation.Adjustment material pH value is 8.0 ~ 8.5; Time of repose is 20 ~ 30 minutes, adopts 250 ~ 350 eye mesh screens during filtration.
The present invention compared with prior art has following beneficial effect:
(1) the high-performance water-based coating that is used for middle-size and small-size mechanized equipment provided by the invention is applicable to the execution conditions of existing oiliness spraying coating line; In 130 ℃ ~ 150 ℃ down in 15 ~ 20min behind the film-forming; Paint film has high stability to aging, solvent resistance, humidity resistance and at 20 ° and 60 ° of angles high gloss and fullness ratio is arranged, and product appearance, performance meet or exceed oil product of the same type.
(2) the high-performance water-based coating used film forming auxiliary agent that is used for middle-size and small-size mechanized equipment provided by the invention is nontoxic ether solvent, and content is less; Pigment is heavy metal such as leaded chromium not, and its content of volatile organic compound is lower than the requirement of China to the water-borne coatings limits of harmful substances, meets the productive target of environmental protection.
(3) the high-performance water-based coating that is used for middle-size and small-size mechanized equipment provided by the invention is standard with high stability to aging and high-decoration appearance requirement; Can realize industrialization, reduce environmental pollution, promote energy-saving and emission-reduction, evade green barrier, improve the production state of the art.
(4) the high-performance water-based coating that is used for middle-size and small-size mechanized equipment provided by the invention is applicable to the execution conditions of existing oiliness spraying coating line, easy construction, and energy-conserving and environment-protective, the paint film over-all properties is good.Simultaneously, it is very little that this product changes the error that causes to humiture, as long as suitably the adjustment working viscosity can solve; Can both well satisfy for the electrostatic painting process condition, can comply with the running of flow line high-level efficiency.
Embodiment
The present invention will be described to enumerate a part of specific embodiment below, is necessary to be pointed out that at this following specific embodiment only is used for the present invention is described further, and do not represent the restriction to protection domain of the present invention.Some nonessential modifications that other people make according to the present invention and adjustment still belong to protection scope of the present invention.
The high-performance water-based system component of embodiment 1 ~ 4 is referring to table 1, and wherein water-base resin is meant one or more the mixture in water soluble acrylic acid dispersion-s, aqueous acrylic emulsion and the aqueous polyester resin; Full methyl-etherified aminoresin is meant water-soluble HMMM aminoresin; Dispersion agent is meant the high-molecular weight polymer dispersion agent that contains a plurality of anchoring groups; Pigment is meant high-carbon black pigment; Moistening flatting agent is meant one or more the mixture among BYK346, BYK349, BYK333, BYK381, EFKA-3772, EFKA-3580, TEGO270 and the TEGO280; Thixotropic agent is meant the polymkeric substance or the aerosil of urea modification; Skimmer is meant one or more the mixture among BYK024, BYK011, BYK022, TEGO825 and the TEGO810; Anti-dodge the erosion agent and be meant one or more the mixture among Halox-550, Halox-515 and the FLASH-X330; Mould inhibitor is meant one or more the mixture among PROMEXTM Na20S, PROMEXTM 20D and the PROMEXTM Na10S; Film coalescence aid is meant one or more the mixture in TEXANOL, ethylene glycol monobutyl ether, diethylene glycol monobutyl ether and the Ucar 35.
The preparation method of the high-performance water-based coating of embodiment 1 is: the part water-base resin is got in (1), and this part water-base resin accounts for 30% of water-base resin total amount, adds in the steel basin; Add dispersion agent again, add pigment while stirring, add the part skimmer then; This part skimmer accounts for 50% of skimmer total amount; The gained material disperses to be uniformly dispersed in 30 minutes with the rotating speed of 2500rpm/min, need monitor temperature of charge simultaneously, guarantees that temperature of charge is no more than 50 ℃; (2) with finely dispersed material in the step (1) is levigate be 5 microns to the material fineness after; Add remaining water-base resin, full methyl-etherified aminoresin, moistening flatting agent, thixotropic agent, remaining skimmer, anti-erosion agent, mould inhibitor, film coalescence aid, the deionized water of dodging; Stir; The adjustment pH value is 8.0, leaves standstill 30 minutes, adopts 350 eye mesh screens to filter and promptly gets.
The preparation method of the high-performance water-based coating of embodiment 2 is: the part water-base resin is got in (1), and this part water-base resin accounts for 40% of water-base resin total amount, adds in the steel basin; Add dispersion agent again, add pigment while stirring, add the part skimmer then; This part skimmer accounts for 50% of skimmer total amount; The gained material disperses to be uniformly dispersed in 40 minutes with the rotating speed of 1500rpm/min, need monitor temperature of charge simultaneously, guarantees that temperature of charge is no more than 50 ℃; (2) with finely dispersed material in the step (1) is levigate be 10 microns to the material fineness after; Add remaining water-base resin, full methyl-etherified aminoresin, moistening flatting agent, thixotropic agent, remaining skimmer, anti-erosion agent, mould inhibitor, film coalescence aid, the deionized water of dodging; Stir; The adjustment pH value is 8.5, leaves standstill 20 minutes, adopts 250 eye mesh screens to filter and promptly gets.
The preparation method of the high-performance water-based coating of embodiment 3 is: the part water-base resin is got in (1), and this part water-base resin accounts for 40% of water-base resin total amount, adds in the steel basin; Add dispersion agent again, add pigment while stirring, add the part skimmer then; This part skimmer accounts for 60% of skimmer total amount; The gained material disperses to be uniformly dispersed in 30 minutes with the rotating speed of 2000rpm/min, need monitor temperature of charge simultaneously, guarantees that temperature of charge is no more than 50 ℃; (2) with finely dispersed material in the step (1) is levigate be 8 microns to the material fineness after; Add remaining water-base resin, full methyl-etherified aminoresin, moistening flatting agent, thixotropic agent, remaining skimmer, anti-erosion agent, mould inhibitor, film coalescence aid, the deionized water of dodging; Stir; The adjustment pH value is 8.3, leaves standstill 30 minutes, adopts 300 eye mesh screens to filter and promptly gets.
The preparation method of the high-performance water-based coating of embodiment 4 is: the part water-base resin is got in (1), and this part water-base resin accounts for 50% of water-base resin total amount, adds in the steel basin; Add dispersion agent again, add pigment while stirring, add the part skimmer then; This part skimmer accounts for 70% of skimmer total amount; The gained material disperses to be uniformly dispersed in 30 minutes with the rotating speed of 2500rpm/min, need monitor temperature of charge simultaneously, guarantees that temperature of charge is no more than 50 ℃; (2) with finely dispersed material in the step (1) is levigate be 10 microns to the material fineness after; Add remaining water-base resin, full methyl-etherified aminoresin, moistening flatting agent, thixotropic agent, remaining skimmer, anti-erosion agent, mould inhibitor, film coalescence aid, the deionized water of dodging; Stir; The adjustment pH value is 8.0, leaves standstill 30 minutes, adopts 250 eye mesh screens to filter and promptly gets.
Table 1
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Water-base resin | 41.0wt％ | 38.0wt％ | 39wt％ | 39wt％ |
| Full methyl-etherified aminoresin | 11.0wt％ | 10.3wt％ | 13.0wt％ | 10.5wt％ |
| Dispersion agent | 3.6wt％ | 3.0wt％ | 4.2wt％ | 6.0wt％ |
| Pigment | 3.0wt％ | 3.0wt％ | 3.0wt％ | 3.0wt％ |
| Moistening flatting agent | 0.7wt％ | 0.7wt％ | 0.7wt％ | 0.7wt％ |
| Skimmer | 0.5wt％ | 0.5wt％ | 0.5wt％ | 0.5wt％ |
| Thixotropic agent | 0.5wt％ | 0.5wt％ | 0.5wt％ | 0.5wt％ |
| The anti-sudden strain of a muscle lost agent | 0.4wt％ | 0.4wt％ | 0.4wt％ | 0.4wt％ |
| Mould inhibitor | 0.4wt％ | 0.4wt％ | 0.4wt％ | 0.4wt％ |
| Film coalescence aid | 4.5wt％ | 4.0wt％ | 4.5wt％ | 4.5wt％ |
| Deionized water | 34.4wt％ | 39.2wt％ | 33.8wt％ | 34.5wt％ |
The high-performance water-based coating of the foregoing description 1 ~ 4 is sprayed on the carbon steel sheet of electrophoretic primer 130 ℃ ~ 150 ℃ following 15 ~ 20 minutes baking-curings after with the deionized water dilution.Solidify the back effect referring to table 2:
Table 2
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Hardness | 2H | 2H | 3H | H |
| 20 ° of gloss | 87.3 | 87 | 87.2 | 86.8 |
| 60 ° of gloss | 98 | 97 | 97.8 | 96.5 |
| Shock strength (kgcm) | 50 | 50 | 40 | 50 |
| Sticking power cross-hatching (level) | 1 | 1 | 2 | 1 |
| Snappiness | 1mm | 1mm | 2mm | 1mm |
| Anti-40 ℃ of water (soak 240h non-foaming, do not come off) | Through | Through | Through | Play microvesicle |
| Stability to aging (xenon lamp 800h) | Aberration<=3.0 | Aberration<=3.0 | Aberration<=3.0 | Aberration<=3.0 |
| Moisture-proof heat (60 ℃, 96% RH, 240h do not have loss of gloss and turn pale, do not have to lose and bubble) | Through | Through | Through | Slight loss of gloss, a microvesicle |
| Anti-gasoline (immersion meets 24h in the industrial naptha of SH004-90, and not having bubbles comes off) | Through | Through | Through | Do not pass through |
| Anti-neutral salt spray (500h) | Through | Through | Through | Bubble, get rusty |
| Anti-YLENE wiping (30 no loss of gloss of wiping are colourless back and forth for a kgf) | Through | Through | Through | Do not pass through |
The high-performance water-based coating of the foregoing description 1 ~ 4 is stored in 40 ℃ the warm permanent water-bath after 2 weeks, with being sprayed on the carbon steel sheet of electrophoretic primer 130 ℃ ~ 150 ℃ following 15 ~ 20 minutes baking-curings after the deionized water dilution.Solidify the back effect referring to table 3:
Table 3
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Former lacquer outward appearance | No demixing phenomenon | No demixing phenomenon | No demixing phenomenon | No demixing phenomenon |
| Viscosity | No thickening phenomenon | Slight thickening | No thickening phenomenon | No thickening phenomenon |
| Paint film appearance | High gloss, no mist shadow | Loss of gloss, the mist shadow is heavy | Slight loss of gloss, the mist shadow is lighter | Loss of gloss, the mist shadow is heavy |
Claims (10)
1. a high-performance water-based coating that is used for middle-size and small-size mechanized equipment is characterized in that, comprises the component of following weight percentage content:
Water-base resin 35 ~ 45%
Full methyl-etherified aminoresin 8 ~ 15%
Dispersion agent 2 ~ 8%
Pigment 1 ~ 5%
Moistening flatting agent 0.5 ~ 1%
Thixotropic agent 0.5 ~ 1%
Skimmer 0.5 ~ 1%
The anti-sudden strain of a muscle lost agent 0.1 ~ 0.8%
Mould inhibitor 0.1 ~ 0.8%
Film coalescence aid 1 ~ 5%
Deionized water 30 ~ 40%.
2. the high-performance water-based coating that is used for middle-size and small-size mechanized equipment according to claim 1 is characterized in that, described water-base resin is meant one or more the mixture in water soluble acrylic acid dispersion-s, aqueous acrylic emulsion and the aqueous polyester resin.
3. the high-performance water-based coating that is used for middle-size and small-size mechanized equipment according to claim 1 is characterized in that, described full methyl-etherified aminoresin is meant water-soluble HMMM aminoresin.
4. the high-performance water-based coating that is used for middle-size and small-size mechanized equipment according to claim 1 is characterized in that described dispersion agent is meant the high-molecular weight polymer dispersion agent that contains a plurality of anchoring groups; Described pigment is meant high-carbon black pigment.
5. the high-performance water-based coating that is used for middle-size and small-size mechanized equipment according to claim 1; It is characterized in that described moistening flatting agent is meant one or more the mixture among BYK346, BYK349, BYK333, BYK381, EFKA-3772, EFKA-3580, TEGO270 and the TEGO280.
6. the high-performance water-based coating that is used for middle-size and small-size mechanized equipment according to claim 1 is characterized in that described thixotropic agent is meant the polymkeric substance or the aerosil of urea modification.
7. the high-performance water-based coating that is used for middle-size and small-size mechanized equipment according to claim 1 is characterized in that, described skimmer is meant one or more the mixture among BYK024, BYK011, BYK022, TEGO825 and the TEGO810; Described anti-sudden strain of a muscle erosion agent is meant one or more the mixture among Halox-550, Halox-515 and the FLASH-X330; Described mould inhibitor is meant one or more the mixture among PROMEXTM Na20S, PROMEXTM 20D and the PROMEXTM Na10S; Described film coalescence aid is meant one or more the mixture in TEXANOL, ethylene glycol monobutyl ether, diethylene glycol monobutyl ether and the Ucar 35.
8. the described preparation method who is used for the high-performance water-based coating of middle-size and small-size mechanized equipment of claim 1 is characterized in that, may further comprise the steps:
(1) get the part water-base resin, this part water-base resin accounts for 20 ~ 50% of water-base resin total amount, adds in the steel basin; Add dispersion agent again, add pigment while stirring, add the part skimmer then; This part skimmer accounts for 40 ~ 80% of skimmer total amount, and the gained material is uniformly dispersed at last;
(2) with finely dispersed material in the step (1) levigate after; Add remaining water-base resin, full methyl-etherified aminoresin, moistening flatting agent, thixotropic agent, remaining skimmer, anti-erosion agent, mould inhibitor, film coalescence aid, the deionized water of dodging, stir the adjustment pH value; Leave standstill, filtration promptly gets.
9. the preparation method who is used for the high-performance water-based coating of middle-size and small-size mechanized equipment according to claim 8; It is characterized in that; Material disperseed 20 ~ 40 minutes with the rotating speed of 1000 ~ 2500rpm/min in the described step (1), need monitor temperature of charge simultaneously, guaranteed that temperature of charge is no more than 50 ℃.
10. the preparation method who is used for the high-performance water-based coating of middle-size and small-size mechanized equipment according to claim 8 is characterized in that, in the described step (2) material adopt sand milling levigate to the material fineness be 5 ~ 10 microns; The adjustment pH value is 8.0 ~ 8.5; Time of repose is 20 ~ 30 minutes, adopts 250 ~ 350 eye mesh screens during filtration.
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Cited By (12)
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| WO2013000848A1 (en) * | 2011-06-29 | 2013-01-03 | Basf Se | Modified aminocarboxylates with improved shelf life and processing properties |
| CN103571117A (en) * | 2012-07-18 | 2014-02-12 | 西安榕森漆业有限责任公司 | Preparation method for high performance acrylic waterborne resin |
| CN103937354A (en) * | 2013-01-17 | 2014-07-23 | 深圳市莱莉雅环保科技有限公司 | Preparation method for high-hardness water-based glass baking paint |
| CN105255304A (en) * | 2015-11-28 | 2016-01-20 | 沈阳派尔化学有限公司 | Road marking paint and preparing method thereof |
| US9403731B2 (en) | 2011-06-29 | 2016-08-02 | Basf Se | Modified aminocarboxylates with improved storage stability and processability |
| CN105885601A (en) * | 2016-02-26 | 2016-08-24 | 上海大众联合汽车改装有限公司 | Water-based paint coating and preparation method thereof |
| CN105907269A (en) * | 2016-05-26 | 2016-08-31 | 广州产协高分子有限公司 | Water-based coating for sports equipment and preparation method thereof |
| CN107267036A (en) * | 2017-06-30 | 2017-10-20 | 天长市巨龙车船涂料有限公司 | A kind of high-gloss |
| CN107868545A (en) * | 2017-12-13 | 2018-04-03 | 青岛益群环保新材料有限公司 | A kind of water-based cold casing color baking vanish |
| CN107903745A (en) * | 2017-12-13 | 2018-04-13 | 青岛益群环保新材料有限公司 | A kind of reddish yellow chromatography water paint that can be directly sprayed on cold bucket |
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| CN109456664A (en) * | 2018-11-01 | 2019-03-12 | 王振海 | A kind of aqueous anti-corrosion paint of automobile and preparation method thereof |
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|---|---|---|---|---|
| WO2013000848A1 (en) * | 2011-06-29 | 2013-01-03 | Basf Se | Modified aminocarboxylates with improved shelf life and processing properties |
| US9403731B2 (en) | 2011-06-29 | 2016-08-02 | Basf Se | Modified aminocarboxylates with improved storage stability and processability |
| CN103571117A (en) * | 2012-07-18 | 2014-02-12 | 西安榕森漆业有限责任公司 | Preparation method for high performance acrylic waterborne resin |
| CN103937354A (en) * | 2013-01-17 | 2014-07-23 | 深圳市莱莉雅环保科技有限公司 | Preparation method for high-hardness water-based glass baking paint |
| CN103937354B (en) * | 2013-01-17 | 2016-05-04 | 深圳市莱莉雅环保科技有限公司 | A kind of preparation method of high rigidity water-based glass baking varnish |
| CN105255304A (en) * | 2015-11-28 | 2016-01-20 | 沈阳派尔化学有限公司 | Road marking paint and preparing method thereof |
| CN105885601A (en) * | 2016-02-26 | 2016-08-24 | 上海大众联合汽车改装有限公司 | Water-based paint coating and preparation method thereof |
| CN105907269A (en) * | 2016-05-26 | 2016-08-31 | 广州产协高分子有限公司 | Water-based coating for sports equipment and preparation method thereof |
| CN107267036A (en) * | 2017-06-30 | 2017-10-20 | 天长市巨龙车船涂料有限公司 | A kind of high-gloss |
| CN107868545A (en) * | 2017-12-13 | 2018-04-03 | 青岛益群环保新材料有限公司 | A kind of water-based cold casing color baking vanish |
| CN107903745A (en) * | 2017-12-13 | 2018-04-13 | 青岛益群环保新材料有限公司 | A kind of reddish yellow chromatography water paint that can be directly sprayed on cold bucket |
| CN108456469A (en) * | 2018-01-15 | 2018-08-28 | 河北晨阳工贸集团有限公司 | Agricultural machinery sealing wax and preparation method thereof |
| CN108456469B (en) * | 2018-01-15 | 2024-02-09 | 河北晨阳工贸集团有限公司 | Water paint for agricultural machinery and preparation method thereof |
| CN109456664A (en) * | 2018-11-01 | 2019-03-12 | 王振海 | A kind of aqueous anti-corrosion paint of automobile and preparation method thereof |
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Application publication date: 20120411 |