CN101928491B - Water-based decorative paint for metal material and preparation method thereof - Google Patents
Water-based decorative paint for metal material and preparation method thereof Download PDFInfo
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- CN101928491B CN101928491B CN200910194230A CN200910194230A CN101928491B CN 101928491 B CN101928491 B CN 101928491B CN 200910194230 A CN200910194230 A CN 200910194230A CN 200910194230 A CN200910194230 A CN 200910194230A CN 101928491 B CN101928491 B CN 101928491B
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Abstract
The invention discloses an water-based decorative paint for a metal material. The water-based decorative paint comprises the following components in part by weight: 40 to 50 percent of aqueous resin, 7 to 10 percent of methylated amino resin, 3 to 5 percent of dispersant, 23 to 28 percent of pigment, 0.5 to 1 percent of wetting levelling agent, 0.5 to 1 percent of thixotropic agent, 0.5 to 1 percent of antifoaming agent, 0.5 to 1 percent of flash corrosion resistor, 5 to 10 percent of film forming auxiliary agent and 10 to 20 percent of deionized water. The invention also discloses a preparation method of the water-based decorative paint. The method comprises the following steps of: (1) weighing each component according to the proportion, adding a part of the water-based resin into an agitating tank, adding the dispersant, adding the pigment with agitating and uniformly dispersing the materials; and (2) grinding the materials uniformly dispersed by step (1), adding the left materials, agitating uniformly, adjusting the pH of the mixture, standing, filtering and packing. The water-based decorative paint provided by the invention has water dilution and is convenient for construction, and the coating has good physical and chemical properties.
Description
Technical field
The present invention relates to a kind of chemistry painting industry, especially relate to a kind of water-based decorative paint that is used for metallic substance.The invention still further relates to the preparation method of this coating.
Background technology
The Along with people's environmental consciousness improve constantly strict day by day with environmental regulation, environmental protection coating material will become the leading role in 21 century world's coating market.Solvent based coating is prone to human and environment is produced harm in construction and application process owing to contain higher organic solvent, and coatings industry has been very urgent to the conversion of " green industry ".Water-borne coatings is as a kind of product of coating; Its solvent is a water, does not have inflammable and explosive hidden danger, owing to safety non-toxic, economize on resources, protect environment; Become one of main direction of coating development, water-borne coatings will fully develop talents in the future development of coating industry.
At present; The water-borne coatings product of using comparative maturity on the market also is a covil construction coating; The water-borne coatings product of industrial production scope all can run into a following industry difficult problem: 1. product is very responsive to temperature and humidity; Some water-borne coatings only suits in the fixed temperature and humidity spray room of special use, to use, and construction adaptability is poor.2. when temperature step-down or humidity obviously increased, moisture content was difficult to volatilization, caused construction significant prolongation at interval, influenced job schedule.3 run into wet bumping when wetting technology, can produce serious sagging, can't reach ideal production efficiency.
Summary of the invention
The purpose of this invention is to provide a kind of water-based decorative paint that is used for metallic substance.This water-based decorative paint has water-dilutable, easy construction, coating and possesses good physicochemical performance.
Another object of the present invention provides the preparation method of above-mentioned water-based decorative paint.
First purpose of the present invention realizes through following technical measures: a kind of water-based decorative paint that is used for metallic substance comprises the component of following weight part:
Water-base resin 40～50%
Methyl-etherified aminoresin 7～10%
Dispersion agent 3～5%
Pigment 23～28%
Moistening flatting agent 0.5～1%
Thixotropic agent 0.5～1%
Skimmer 0.5～1%
The anti-sudden strain of a muscle lost agent 0.5～1%
Film coalescence aid 5～10%
Deionized water 10～20%.
Water-base resin of the present invention is meant aqueous acrylic emulsion, like corresponding products such as German BASF AG, Bayer A.Gs.
Methyl-etherified aminoresin of the present invention is meant water-soluble HMMM aminoresin, like U.S. hydrogen spy's 303,325; Corresponding products such as 717,747 of promise reputation.
Dispersion agent of the present invention is meant polymer block dispersion agent, is BYK191, BYK190, corresponding products such as 750 like model.
It is product or their mixtures such as BYK346, BYK348, TEGO245 that flow agent of the present invention adopts like model.
Thixotropic agent of the present invention is meant that urea is polymer-modified, is corresponding products such as BYK425 or BYK420 like model.
It is product such as BYK024, BYK029, TEGO825 or their mixture etc. that skimmer of the present invention adopts like model.
Anti-sudden strain of a muscle erosion agent of the present invention is meant the solution that delays corrosion of metal, is corresponding products such as RAYBO60,794S like model.
Film coalescence aid of the present invention is meant the auxiliary agent that helps coating film, is corresponding products such as TMP-95, TEXANOL like model.
Second purpose of the present invention realizes through following technical measures: a kind of above-mentioned preparation method who is used for the water-based decorative paint of metallic substance, and it may further comprise the steps:
(1) takes by weighing each component by proportioning, then water-base resin is partly added in the steel basin, add dispersion agent, add pigment while stirring, be uniformly dispersed then;
(2) with finely dispersed material in the step (1) levigate after, add clout, stir, the adjustment pH value leaves standstill, and filters packing.
Described step (1) material jitter time is 20 minutes, and temperature is controlled at below 50 ℃.
In the described step (2) material adopt sand milling levigate to the material fineness below 15um; Material after levigate stirs; The adjustment pH value is 8.0-8.5; Time of repose was at least 20-30 minute, adopted the 250-350 eye mesh screen during filtration.
The present invention compared with prior art has following beneficial effect:
(1) the water-based decorative paint outward appearance that is used for metallic substance provided by the invention is mobile thick liquid, and solid content is 50-60%, and room temperature lucifuge period of storage can reach 1 year; Can under 140 ℃～160 ℃, solidify in 15～20 minutes behind the spraying application, the paint film after the curing has good gloss and hardness, and has performances such as good anti-neutral salt spray and anti scuffing.
(2) the present invention can be used for the spraying of multiple metal material surfaces such as stainless steel, carbon steel and alloy.Can adopt full-automatic electrostatic coating technology or 2C1B technology (is the wet application of wet shot; The technology that adopts twice spraying once to toast) spray; Reach the requirement of full-automatic electrostatic coating technology or 2C1B technology, and solved water-borne coatings exists in the prior art sag prevention and technical problems such as levelling, aluminium-silver slurry color developing and storage characteristics.
(3) the coating provided by the invention error that variation causes to humiture is very little, as long as suitably the adjustment working viscosity can solve; Can both well satisfy for electrostatic spraying and the wet processing condition that wet of bumping, 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 component of the water-based decorative paint that is used for metallic substance of embodiment 1～4 is referring to table one; The preparation method is following: aqueous acrylic emulsion is partly added in the steel basin, add dispersion agent, add pigment in the whipping process; Disperseed 20 minutes, temperature is controlled at below 50 degree.The sand milling fineness is to 15um.Add clout, stir.The adjustment pH value is to 8.0-8.5.Leave standstill that 300 orders filter and package after 30 minutes.
Wherein, aqueous acrylic emulsion adopts as corresponding products such as German BASF AG, Bayer A.G.
Water-soluble HMMM aminoresin adopts like U.S. hydrogen spy's 303,325; Corresponding products such as 717,747 of promise reputation.
Dispersion agent adopts polymer block dispersion agent, like corresponding products such as the BYK191 of Bi Ke company, BYK190, TEGO companies 750.
Flow agent adopts BYK346, BYK348, TEGO245 or their mixture etc.
Thixotropic agent adopts urea polymer-modified, like corresponding products such as BYK425 of Bi Ke company or BYK420.
Skimmer adopts BYK024, BYK029, TEGO825 or their mixture etc.
Anti-sudden strain of a muscle erosion agent is meant the solution that delays corrosion of metal, like corresponding products such as RAYBO60,794S.
Film coalescence aid is meant the auxiliary agent that helps coating film, like corresponding products such as TMP-95, TEXANOL.
Table one
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Aqueous acrylic emulsion | 41.0wt％ | 42.0wt％ | 46.7wt％ | 41.4wt％ |
| Water-soluble HMMM aminoresin | 7.0wt％ | 7.9wt％ | 7.2wt％ | 9.0wt％ |
| Dispersion agent | 4.0wt％ | 5.0wt％ | 4.0wt％ | 4.5wt％ |
| Pigment | 24.9wt％ | 25.0wt％ | 23.0wt％ | 27wt％ |
| Flow agent | 0.7wt％ | 0.7wt％ | 0.7wt％ | 0.7wt％ |
| Skimmer | 0.6wt％ | 0.6wt％ | 0.6wt％ | 0.6wt％ |
| Thixotropic agent | 0.8wt％ | 0.8wt％ | 0.8wt％ | 0.8wt％ |
| The anti-sudden strain of a muscle lost agent | 0.5wt％ | 0.5wt％ | 0.5wt％ | 0.5wt％ |
| Film coalescence aid | 8.5wt％ | 7.5wt％ | 6.5wt％ | 5.5wt％ |
| Deionized water | 12.0wt％ | 10.0wt％ | 10.0wt％ | 10.0wt％ |
The water-based decorative paint of the foregoing description 1～4 is sprayed on the pretreated tinplate tin 140 ℃～160 ℃ following 15～20 minutes baking-curings after with the deionized water dilution.Solidify the back effect referring to table two:
Table two
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Testing method |
| Hardness | ?2H | ?2H | ?3H | ?3H | GB/T?6739-96 |
| Shock strength (kgcm) | 50 | 45 | 45 | 40 | GB/T1732-93 |
| Sticking power (level) | 1 | 1 | 1 | 2 | GB1720 |
| Snappiness | 1mm | 1mm | 1mm | 1mm | GB/T1731 |
| Anti-5% salt solution (240h) | No abnormal | No abnormal | No abnormal | No abnormal | / |
| Water tolerance (soaking 72h) | No abnormal | No abnormal | No abnormal | No abnormal | / |
Claims (4)
1. a water-based decorative paint that is used for metallic substance is characterized in that, comprises the component of following weight part:
Described water-base resin is an aqueous acrylic emulsion, and described methyl-etherified aminoresin is water-soluble HMMM aminoresin.
2. the described preparation method who is used for the water-based decorative paint of metallic substance of claim 1 is characterized in that, may further comprise the steps:
(1) takes by weighing each component by proportioning, then water-base resin is partly added in the steel basin, add dispersion agent, add pigment while stirring, be uniformly dispersed then;
(2) with finely dispersed material in the step (1) levigate after, add clout, stir, adjustment pH value leaves standstill, and filters, and packs.
3. the preparation method who is used for the water-based decorative paint of metallic substance according to claim 2 is characterized in that, described step (1) material jitter time is 20 minutes, and temperature is controlled at below 50 ℃.
4. the preparation method who is used for the water-based decorative paint of metallic substance according to claim 2 is characterized in that, in the described step (2) material adopt sand milling levigate to the material fineness be below the 15 μ m; Material after levigate stirs; Adjustment pH value is 8.0-8.5; Time of repose 20-30 minute, adopt the 250-350 eye mesh screen during filtration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910194230A CN101928491B (en) | 2009-11-27 | 2009-11-27 | Water-based decorative paint for metal material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910194230A CN101928491B (en) | 2009-11-27 | 2009-11-27 | Water-based decorative paint for metal material and preparation method thereof |
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| CN101928491A CN101928491A (en) | 2010-12-29 |
| CN101928491B true CN101928491B (en) | 2012-09-19 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408803A (en) * | 2011-11-17 | 2012-04-11 | 广州擎天实业有限公司 | High-performance water-based paint for small and medium-sized mechanical equipment and preparation method thereof |
| CN102585630A (en) * | 2011-12-19 | 2012-07-18 | 青岛爱尔家佳新材料有限公司 | Water-based glass baking paint and preparation method thereof |
| CN104130687A (en) * | 2014-08-14 | 2014-11-05 | 深圳市能驭科技有限公司 | Food-grade water-based metal stoving varnish and preparation method thereof |
| CN104312334B (en) * | 2014-10-30 | 2016-09-28 | 重庆亿隆漆业有限公司 | A kind of metallic paint for motorcycle engine and preparation method thereof |
| CN104817912B (en) * | 2015-05-29 | 2017-03-29 | 重庆市品胜涂料有限公司 | A kind of aqueous metallic paint and preparation method thereof |
| CN108948905A (en) * | 2018-04-03 | 2018-12-07 | 河北晨阳工贸集团有限公司 | A kind of aqueous bicycle special emulsion type Lacquer finish polishes and preparation method thereof |
| CN110964397A (en) * | 2019-12-25 | 2020-04-07 | 河北晨阳工贸集团有限公司 | Hydrophobic and oleophobic water-based amino baking varnish finishing gold oil and preparation method thereof |
| CN116640502A (en) * | 2023-06-06 | 2023-08-25 | 浩力森涂料（上海）有限公司 | Quick-drying high-gloss water-based high-temperature baking paint for two-coating one-baking process and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3585001B2 (en) * | 1995-04-11 | 2004-11-04 | 大日本インキ化学工業株式会社 | Resin composition for water-based paint |
| CN101041757A (en) * | 2007-04-20 | 2007-09-26 | 重庆邦轩工贸有限公司 | Aqueous paint for plastic coating |
| CN101550292A (en) * | 2009-05-19 | 2009-10-07 | 天津市现代人再就业服务有限公司 | Environment protecting water-based paint |
-
2009
- 2009-11-27 CN CN200910194230A patent/CN101928491B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3585001B2 (en) * | 1995-04-11 | 2004-11-04 | 大日本インキ化学工業株式会社 | Resin composition for water-based paint |
| CN101041757A (en) * | 2007-04-20 | 2007-09-26 | 重庆邦轩工贸有限公司 | Aqueous paint for plastic coating |
| CN101550292A (en) * | 2009-05-19 | 2009-10-07 | 天津市现代人再就业服务有限公司 | Environment protecting water-based paint |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第3585001号B2 2004.11.04 |
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Owner name: GUANGZHOU KINTE MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: QINGTIAN INDUSTRY CO., LTD., GUANGZHOU Effective date: 20150609 |
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Effective date of registration: 20150609 Address after: Shiling Town, Huadu District, Guangzhou City, Guangdong province 511450 Yufeng Road No. 16 Patentee after: Guangzhou Kinte Industrial Co., Ltd. Address before: 510302 Xingang West Road, Guangdong, China, No. 204, No. Patentee before: Qingtian Industry Co., Ltd., Guangzhou |
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Address after: No.5 Lisha East Road, Shatian Town, Dongguan City, Guangdong Province 523000 Patentee after: Qingtian Material Technology Co., Ltd Address before: Shiling Town, Huadu District, Guangzhou City, Guangdong province 511450 Yufeng Road No. 16 Patentee before: GUANGZHOU KINTE INDUSTRIAL Co.,Ltd. |
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