CN102020904A - Low-temperature quick-drying waterborne metal anti-corrosive coating and preparation method thereof - Google Patents
Low-temperature quick-drying waterborne metal anti-corrosive coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a low-temperature quick-drying waterborne metal anti-corrosive coating. The coating comprises the following components in parts by weight: 40-55% of waterborne resin, 4-6% of dispersing agent, 25-32% of pigment filler, 0.5-1% of anti-settling agent, 0.5-1% of wetting and leveling agent, 0.5-1% of thixotropic agent, 0.5-1% of antifoaming agent, 0.5-1% of anti-flashing corrosive agent, 3.5-8% of film forming auxiliary agent and 10-20% of deionized water. The invention also discloses a method form preparing the low-temperature quick-drying waterborne metal anti-corrosive coating. The low temperature and quick drying waterborne metal anti-corrosive coating has the characteristics of low-temperature quick drying, is adapted to oil system spray painting lines with lower baking temperature, is convenient for construction, achieves the purpose of energy saving and emission reduction and has favorable physical and chemical properties and corrosion resistance at the same time.
Description
Technical field
The present invention relates to a kind of metal anti-corrosive paint, especially relate to a kind of low-temperature quick-drying water metal anti-corrosive paint, simultaneously, the invention still further relates to the preparation method of this coating.
Background technology
Traditional solvent based coating easily works the mischief to human body and environment 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.
The water-borne coatings product of using comparative maturity in the market also is a covil construction coating, be accompanied by holding of Beijing Olympic Games, water-base resin obtained faster exploitation and promoted, and accelerated the development of water-based hot metal baking vanish, aqueous inorganic zinc-enriched coating, double-component aqueous epoxy coating.But present water-borne coatings product all exists some defective: 1. water-based hot metal baking vanish, need be difficult to satisfy the execution conditions that the client uses the paint line of oil paint for a long time could completion of cure more than 150 ℃, and energy consumption is bigger; 2. aqueous inorganic zinc-enriched coating needs the on-the-spot zinc powder that adds, and zinc powder is difficult to be uniformly dispersed, and application property is not good, occur stifled rifle phenomenon easily, and because zinc content is higher, the paint film mechanical property is not good; 3. double-component aqueous epoxy coating exists rate of drying slower, and pot-life is shorter, is difficult to satisfy the intermittent type construction, and construction is brought inconvenience.
Summary of the invention
The purpose of this invention is to provide a kind of low-temperature quick-drying water metal anti-corrosive paint, this waterborne metal anti-corrosive paint has low-temperature quick-dry, easy construction, coating and possesses good physicochemical performance and corrosion resistance nature.
Another object of the present invention provides the preparation method of above-mentioned low-temperature quick-drying water metal anti-corrosive paint.
First purpose of the present invention realizes by following technical measures: a kind of low-temperature quick-drying water metal anti-corrosive paint comprises following components in weight percentage:
Water-base resin 40～55%
Dispersion agent 4～6%
Color stuffing 25～32%
Anti-settling agent 0.5～1%
Moistening flatting agent 0.5～1%
Thixotropic agent 0.5～1%
Defoamer 0.5～1%
Anti-flash corrosion inhibitor 0.5～1%
Film coalescence aid 3.5～8%
Deionized water 10～20%.
Water-base resin of the present invention is meant aqueous acrylic emulsion, as corresponding products such as German BASF AG, Bayer A.G, Lubrizol Corp..
Dispersion agent of the present invention is meant polymer block dispersion agent, as corresponding products such as EFKA-4585, the BYK-190 of Bi Ke company, BYK-191.
Color stuffing of the present invention is meant one or more the mixture in red iron oxide, SZP-391, ultra-fine barium sulfate, aluminium triphosphate, water molecules barrier agent and the mica powder.
Anti-settling agent of the present invention is meant aerosil or wilkinite.
Moistening flatting agent of the present invention is meant one or more the mixture among BYK346, BYK348 and the TEGO245.
Thixotropic agent of the present invention is meant one or more the mixture among BYK-425, HV-30, Rheovis132 and the Rheovis112.
Defoamer of the present invention is meant one or more the mixture among the TEGO-825 of BYK-018, the BYK-022 of Bi Ke company and German Di Gao company.
Anti-flash corrosion inhibitor of the present invention is meant the solution that delays corrosion of metal, as one or more the mixture in the corresponding products such as Halox-510, Halox-515, FLASH-X330.
Film coalescence aid of the present invention is meant the auxiliary agent that improves the coating film performance, as one or more the mixture in the corresponding products such as TMP-95, TEXANOL, ethylene glycol monobutyl ether.
Second purpose of the present invention realizes by following technical measures: a kind of preparation method of low-temperature quick-drying water metal anti-corrosive paint, and it may further comprise the steps:
(1) water-base resin is partly added in the steel basin, add dispersion agent, add color stuffing and anti-settling agent while stirring, be uniformly dispersed then;
(2) with finely dispersed material in the step (1) levigate after, add remaining water-based resin, moistening flatting agent, thixotropic agent, defoamer, anti-flash corrosion inhibitor, film coalescence aid and deionized water, stir, adjust pH value, leave standstill, filter packing.
The material dispersed time is 15～25 minutes in the described step (1), and temperature is controlled at below 50 ℃.
In the described step (2) material adopt sand milling levigate to the material fineness be below the 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) low-temperature quick-drying water metal anti-corrosive paint provided by the invention can adapt to the condition of cure of the low-temperature bake of existing oiliness spraying coating line, can be 60 ℃～80 ℃ following fast setting film forming, the paint film after the curing has characteristics such as good gloss, hardness, anti-neutral salt spray, anti scuffing is good.Simultaneously, it is very little that this product changes the error that causes to humiture, can solve as long as suitably adjust working viscosity; Can both well satisfy for the electrostatic painting process condition, can comply with the running of streamline high-level efficiency.
(2) raw material of the employing of the resin in the low-temperature quick-drying water metal anti-corrosive paint provided by the invention is the emulsified acrylic acid emulsion; Film coalescence aid is nontoxic ether solvent, and content is less; Color stuffing is heavy metal such as leaded chromium not all, and its content of volatile organic compound is lower than the requirement of China to the water-borne coatings limits of harmful substances, is a kind of coating of environmental protection.
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 that the invention will be further described, does not represent limiting the scope of the 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 low-temperature quick-drying water protective system of embodiment 1～4 is formed referring to table one, the preparation method is as follows: water-base resin is partly added in the steel basin, add dispersion agent, add color stuffing and anti-settling agent in the whipping process, disperseed 20 minutes, temperature is controlled at below 50 degree, is milled to fineness below 15um with sand milling then.Add remaining water-based resin, moistening flatting agent, thixotropic agent, defoamer, anti-flash corrosion inhibitor, film coalescence aid and deionized water, stirring at low speed is even.Adjust pH value to 8.0-8.5.Leave standstill and adopted 300 eye mesh screens to filter and package afterwards in 30 minutes.
Wherein, water-base resin adopts aqueous acrylic emulsion, as corresponding products such as German BASF AG, Bayer A.G, Lubrizol Corp..
Dispersion agent adopts polymer block dispersion agent, as corresponding products such as EFKA-4585, the BYK-190 of Bi Ke company, BYK-191.
The mixture of one or more in color stuffing employing red iron oxide, SZP-391, ultra-fine barium sulfate, aluminium triphosphate, water molecules barrier agent and the mica powder.
Anti-settling agent adopts aerosil or wilkinite.
The mixture of one or more among moistening flatting agent employing BYK346, BYK348 and the TEGO245.
The mixture of one or more among thixotropic agent employing BYK-425, HV-30, Rheovis132 and the Rheovis112.
Defoamer adopts one or more the mixture among the TEGO-825 of BYK-018, the BYK-022 of Bi Ke company and German Di Gao company.
Anti-flash corrosion inhibitor adopts the solution that delays corrosion of metal, as corresponding products such as Halox-510, Halox-515, FLASH-X330.
Film coalescence aid adopts the auxiliary agent that improves the coating film performance, as corresponding products such as TMP-95, TEXANOL, ethylene glycol monobutyl ethers.
Table one
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Water-base resin | 48.0wt％ | 49.9wt％ | 51.5wt％ | 43.4wt％ |
| Dispersion agent | 5.0wt％ | 4.5wt％ | 4.0wt％ | 5.5wt％ |
| Pigment | 27.9wt％ | 26.0wt％ | 23.5wt％ | 32wt％ |
| Anti-settling agent | 0.7wt％ | 0.7wt％ | 0.6wt％ | 0.9wt％ |
| Moistening flatting agent | 0.6wt％ | 0.6wt％ | 0.6wt％ | 0.6wt％ |
| Thixotropic agent | 0.8wt％ | 0.8wt％ | 0.8wt％ | 0.8wt％ |
| Defoamer | 0.5wt％ | 0.5wt％ | 0.5wt％ | 0.5wt％ |
| Anti-flash corrosion inhibitor | 0.5wt％ | 0.5wt％ | 0.5wt％ | 0.5wt％ |
| Film coalescence aid | 4.0wt％ | 4.5wt％ | 6.0wt％ | 3.8wt％ |
| Deionized water | 12.0wt％ | 12.0wt％ | 12.0wt％ | 12.0wt％ |
The high water-based decorative paint of the foregoing description 1～4 is sprayed on the pretreated carbon steel sheet 60 ℃～80 ℃ following 15～20 minutes baking-curings after with the deionized water dilution.Solidify the back effect referring to table two:
Table two
Claims (10)
1. low-temperature quick-drying water metal anti-corrosive paint is characterized in that: comprise following components in weight percentage:
Water-base resin 40～55%
Dispersion agent 4～6%
Color stuffing 25～32%
Anti-settling agent 0.5～1%
Moistening flatting agent 0.5～1%
Thixotropic agent 0.5～1%
Defoamer 0.5～1%
Anti-flash corrosion inhibitor 0.5～1%
Film coalescence aid 3.5～8%
Deionized water 10～20%.
2. a kind of low-temperature quick-drying water metal anti-corrosive paint according to claim 1, it is characterized in that: described water-base resin is an aqueous acrylic emulsion.
3. a kind of low-temperature quick-drying water metal anti-corrosive paint according to claim 1 is characterized in that: described dispersion agent is a polymer block dispersion agent.
4. a kind of low-temperature quick-drying water metal anti-corrosive paint according to claim 1 is characterized in that: described color stuffing is one or more the mixture in red iron oxide, SZP-391, ultra-fine barium sulfate, aluminium triphosphate, water molecules barrier agent and the mica powder; Described anti-settling agent is aerosil or wilkinite.
5. a kind of low-temperature quick-drying water metal anti-corrosive paint according to claim 1 is characterized in that: described moistening flatting agent is one or more the mixture among BYK346, BYK348 and the TEGO-245.
6. a kind of low-temperature quick-drying water metal anti-corrosive paint according to claim 1 is characterized in that: described thixotropic agent is one or more the mixture among BYK-425, HV-30, Rheovis132 and the Rheovis112; Described defoamer is one or more the mixture among BYK-018, BYK-022 and the TEGO-825.
7. a kind of low-temperature quick-drying water metal anti-corrosive paint according to claim 1 is characterized in that: described anti-flash corrosion inhibitor is one or more the mixture among Halox-510, Halox-515 and the FLASH-X330; Described film coalescence aid is one or more the mixture in TMP-95, TEXANOL and the ethylene glycol monobutyl ether.
8. the preparation method of the described low-temperature quick-drying water metal anti-corrosive paint of claim 1 is characterized in that: may further comprise the steps:
(1) water-base resin is partly added in the steel basin, add dispersion agent, add color stuffing and anti-settling agent while stirring, be uniformly dispersed then;
(2) with finely dispersed material in the step (1) levigate after, add remaining water-based resin, moistening flatting agent, thixotropic agent, defoamer, anti-flash corrosion inhibitor, film coalescence aid and deionized water, stir, adjust pH value, leave standstill, filter packing.
9. the preparation method of low-temperature quick-drying water metal anti-corrosive paint according to claim 8 is characterized in that: the material dispersed time is 15～25 minutes in the described step (1), and temperature is controlled at below 50 ℃.
10. the preparation method of low-temperature quick-drying water metal anti-corrosive paint according to claim 8 is characterized in that: in the described step (2) material adopt sand milling levigate to the material fineness be below the 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.
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102382540A (en) * | 2011-09-30 | 2012-03-21 | 广州擎天实业有限公司 | High luster aqueous anticorrosion paint for engineering machinery chassis and its preparation method |
| CN102604496A (en) * | 2012-03-13 | 2012-07-25 | 北京东方雨虹防水技术股份有限公司 | Quick-dry thin acrylic-acid protective coating and HDPE (high-density polyethylene) self-adhesive film waterproof roll protective coating layer |
| CN102702899A (en) * | 2012-07-03 | 2012-10-03 | 江苏兰陵高分子材料有限公司 | Water-based modified pure acrylic acid anticorrosive paint |
| CN103666163A (en) * | 2013-12-03 | 2014-03-26 | 徐州市水性漆厂 | Water-based metal rust-proof white paint and preparation method thereof |
| CN104098965A (en) * | 2013-04-12 | 2014-10-15 | 张文彬 | Marine atmospheric saline alkali zone aqueous zinc strip rust free anticorrosive paint |
| CN104293045A (en) * | 2014-10-20 | 2015-01-21 | 江苏常明电力设备有限公司 | Novel electric meter box |
| CN104449390A (en) * | 2014-11-24 | 2015-03-25 | 天长市开林化工有限公司 | Quick-drying, alcohol-soluble and antirust paint and preparation method thereof |
| CN104725941A (en) * | 2013-12-23 | 2015-06-24 | 惠州市绿孔雀科技有限公司 | Water-based quick-drying paint |
| CN105176231A (en) * | 2015-10-13 | 2015-12-23 | 郑州精益达汽车零部件有限公司 | High-performance water-borne automotive chassis protective coating and preparation method thereof |
| CN105418865A (en) * | 2015-12-23 | 2016-03-23 | 南京东开化工科技有限公司 | Novel high-molecular-block dispersing agent, preparation method and application thereof |
| CN105713431A (en) * | 2016-04-12 | 2016-06-29 | 安徽义良罐业科技有限公司 | High-strength storage tank and preparation method thereof |
| CN105713469A (en) * | 2016-04-12 | 2016-06-29 | 安徽义良罐业科技有限公司 | Corrosion-resistant storage tank and preparation method thereof |
| CN105860620A (en) * | 2016-04-12 | 2016-08-17 | 安徽义良罐业科技有限公司 | Wear-resistant storage tank and production method thereof |
| CN105885696A (en) * | 2016-05-04 | 2016-08-24 | 太仓吉达喷涂有限公司 | Aqueous coating for electrostatic spraying |
| CN106047001A (en) * | 2016-07-11 | 2016-10-26 | 湖南中汉高分子材料科技有限公司 | Quick-drying type waterborne paint |
| CN106675500A (en) * | 2017-01-09 | 2017-05-17 | 成都科愿慧希科技有限公司 | Ultraviolet-cured conductive silver adhesive and preparation method thereof |
| CN108546432A (en) * | 2018-04-23 | 2018-09-18 | 安徽省康宇水电机械成套设备有限公司 | A kind of underwater anticorrosive paint of water dam |
| CN108795193A (en) * | 2018-05-18 | 2018-11-13 | 郦璋 | A kind of preparation method of water-and acrylate anticorrosive paint |
| CN110358400A (en) * | 2019-07-23 | 2019-10-22 | 上海工程技术大学 | A kind of aqueous quick-drying coil steel coating and preparation method thereof based on monodisperse polyacrylic resin |
| CN114806305A (en) * | 2022-06-07 | 2022-07-29 | 广东美涂士建材股份有限公司 | Water-based metal anticorrosive paint and preparation method thereof |
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| CN102382540B (en) * | 2011-09-30 | 2013-10-30 | 广州擎天实业有限公司 | High luster aqueous anticorrosion paint for engineering machinery chassis and its preparation method |
| CN102604496A (en) * | 2012-03-13 | 2012-07-25 | 北京东方雨虹防水技术股份有限公司 | Quick-dry thin acrylic-acid protective coating and HDPE (high-density polyethylene) self-adhesive film waterproof roll protective coating layer |
| CN102604496B (en) * | 2012-03-13 | 2015-08-12 | 北京东方雨虹防水技术股份有限公司 | A kind of quick-drying scumbling type vinylformic acid protective cover and HDPE self-adhesion glued membrane waterproof roll supercoat |
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| CN110358400B (en) * | 2019-07-23 | 2021-04-09 | 上海工程技术大学 | Water-based quick-drying coil steel coating based on monodisperse polyacrylic resin and preparation method thereof |
| CN114806305A (en) * | 2022-06-07 | 2022-07-29 | 广东美涂士建材股份有限公司 | Water-based metal anticorrosive paint and preparation method thereof |
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Application publication date: 20110420 |