CN102796437B - A kind of waterborne metal anti-corrosive paint - Google Patents
A kind of waterborne metal anti-corrosive paint Download PDFInfo
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- CN102796437B CN102796437B CN201210286657.XA CN201210286657A CN102796437B CN 102796437 B CN102796437 B CN 102796437B CN 201210286657 A CN201210286657 A CN 201210286657A CN 102796437 B CN102796437 B CN 102796437B
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Abstract
The invention provides a kind of waterborne metal anti-corrosive paint, raw material is: aqueous acrylic modified epoxy resin 30 ~ 50%, neutralizing agent 2 ~ 3%, auxiliary agent 1 ~ 2%, deionized water 30 ~ 35%, corrosion-inhibiting pigment 7 ~ 10%, pigment extender 6 ~ 10%, tinting pigment 2 ~ 5%, thickening material 1 ~ 2%, siccative 1 ~ 3%, method is as follows: 1) aqueous acrylic modified epoxy resin and deionized water are pressed 60% feeding, whole component got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer and mixes; 2) the raw mill dispersion will mixed; 3) raw material after grinding distribution is put into stirring tank, add residue 40% component and thickening material, the siccative of water-based acrylic modified epoxy resin and deionized water, stir paint; 4) work in-process after stirring are filtered, be waterborne metal anti-corrosive paint.The present invention is mainly applicable to automobile and uses as appearance japanning, and due to the water-miscible paint for being coated with material property, its VOC discharge reduces greatly, has the free of contamination distinguishing feature of quick-drying, and alternative solvent paint uses.
Description
Technical field
The present invention relates to a kind of automobile external-use paint, specifically a kind of waterborne metal anti-corrosive paint.
Background technology
The quantity discharged reducing volatile organic matter (VOC) is the development trend of car paint.Because the major ingredient of water-miscible paint thinner is water, compared with solvent-thinned paint, maximum advantage is favourable to protection of the environment, and namely VOC discharge reduces greatly.Automobile industry goes up use paint ratio in recent years and rises year by year, mainly water-based electrocoating paint.On the automobile metal parts of electrophoresis, a large amount of water-based anticorrosive paint potential market demand can not be left at some.Along with the increasingly stringent that domestic cleaner production requires.Water-miscible paint, by progressively substituting traditional solvent-thinned paint, becomes the main flow of modern eco-friendly car coating.
Summary of the invention
The object of the invention is can not the water-repellent preservation application demand of metallic element of electrophoresis in order to meet automobile, engineering machinery, agricultural machinery etc., provides a kind of waterborne metal anti-corrosive paint, has low cost, hardness is high, salt spray resistance is good feature.
The present invention includes aqueous acrylic modified epoxy resin, neutralizing agent, deionized water, pigment extender, tinting pigment, siccative, the technical scheme adopted is: its feed composition is as follows by weight percentage:
Aqueous acrylic modified epoxy resin 30 ~ 50%
Neutralizing agent 2 ~ 3%
Auxiliary agent 1 ~ 2%
Deionized water 30 ~ 35%
Corrosion-inhibiting pigment 7 ~ 10%
Pigment extender 6 ~ 10%
Tinting pigment 2 ~ 5%
Thickening material 1 ~ 2%
Siccative 1 ~ 3%
Preparation method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity.
Auxiliary agent in described recipe ingredient is: one or more in dispersion agent or wetting agent, defoamer, thickening material, the agent of anti-sudden strain of a muscle rust.
Corrosion-inhibiting pigment in recipe ingredient is one or more in the red iron oxide of not leaded and chromium or iron oxide black, aluminium triphosphate, tripolyphosphate zinc.
Stirrer in step 1) mixes its rotating speed 600 ~ 1000 revs/min, churning time 20 minutes.
Step 2) in grinding distribution, its grinding after fineness be≤30 microns.
Step 2) in grinding distribution its grinding time temperature control for being no more than 35 DEG C.
Should slowly add when in step 3), siccative adds stirring tank.
It is 120 orders that silk in step 4) filters its silk filter opening.
The present invention passes through technique scheme, aqueous acrylic modified epoxy resin is utilized to bring better chemical-resistant as the base-material of water-based anticorrosive paint for system, secondly can for providing excellent sticking power, weathering resistance between paint film and metal, paint film can from dry and oven drying at low temperature, comparatively like product 120 DEG C × 80min drying condition, obviously energy-conservation, over-all properties is better, and hardness can reach more than H, salt spray resistance reaches more than 400 hours, can meet the requirement of market low-cost and high-performance completely.The present invention adopts unleaded, the anticorrosion raw material of chromium, take water as thinner, nonpoisonous and tasteless, uses and stores transportation safety, be conducive to physical and mental health and the environment protection of constructor, can meet the strict demand of the low VOC discharge of nowadays application.
Embodiment
Embodiment 1: 10kg calculates to manufacture a finished product, the heavy per-cent feeding of feed composition is as follows: aqueous acrylic modified epoxy resin 3.8 kg, account for component 38%, neutralizing agent 0.2 kg, account for component 2%, selection of auxiliary dispersion agent 0.1 kg, account for component 1%, deionized water 3.5kg, account for component 35%, corrosion-inhibiting pigment selects red iron oxide 1 kg that is not leaded and chromium, account for component 10%, pigment extender 0.8kg, account for component 8%, tinting pigment 0.3kg, account for component 3%, thickening material 0.1 kg, account for component 10%, siccative 0.2kg, account for component 2%.
Making method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity.
Embodiment 2: 30kg calculates to manufacture a finished product, the heavy per-cent feeding of feed composition is as follows: aqueous acrylic modified epoxy resin 9.3 kg, account for component 31%, neutralizing agent 0.9 kg, account for component 3%, selection of auxiliary dispersion agent mixes 0.6kg with wetting agent, account for component 2%, deionized water 10.5kg, account for component 35%, corrosion-inhibiting pigment selects iron oxide black 2.7 kg that is not leaded and chromium, account for component 9%, pigment extender 3kg, account for component 10%, tinting pigment 1.5kg, account for component 5%, thickening material 0.6 kg, account for component 2%, siccative 0.9kg, account for component 3%.
Making method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity.
Embodiment 3: 50kg calculates to manufacture a finished product, the heavy per-cent feeding of feed composition is as follows: aqueous acrylic modified epoxy resin 17 kg, account for component 34%, neutralizing agent 1.5kg, account for component 3%, selection of auxiliary defoamer 1kg, account for component 2%, deionized water 16kg, account for component 32%, corrosion-inhibiting pigment selects aluminium triphosphate 5kg that is not leaded and chromium, account for component 10%, pigment extender 5kg, account for component 10%, tinting pigment 2kg, account for component 4%, thickening material 1 kg, account for component 2%, siccative 1.5kg, account for component 3%.
Making method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity.
Embodiment 4: 100kg calculates to manufacture a finished product, the heavy per-cent feeding of feed composition is as follows: aqueous acrylic modified epoxy resin 50kg, account for component 50%, neutralizing agent 2 kg, account for mixing 1 kg of component 2%, selection of auxiliary wetting agent and defoamer, account for component 1%, deionized water 30kg, account for component 30%, corrosion-inhibiting pigment selects tripolyphosphate zinc 7 kg that is not leaded and chromium, account for component 7%, pigment extender 6kg, account for component 6%, tinting pigment 2kg, account for component 2%, thickening material 1 kg, account for component 1%, siccative 1kg, account for component 1%.
Making method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity.
Embodiment 5: 200kg calculates to manufacture a finished product, the heavy per-cent feeding of feed composition is as follows: aqueous acrylic modified epoxy resin 90 kg, account for component 45%, neutralizing agent 5 kg, account for component 2.5%, three kinds of mixing composition 3kg of selection of auxiliary wetting agent and defoamer and the agent of anti-sudden strain of a muscle rust, account for component 1.5%, deionized water 60kg, account for component 30%, corrosion-inhibiting pigment selects not leaded and red iron oxide 17kg that is chromium, account for component 8.5%, pigment extender 14kg, account for component 7%, tinting pigment 4kg, account for component 2%, thickening material 2 kg, account for component 1%, siccative 5kg, account for component 2.5%.
Making method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity.
Claims (6)
1. a waterborne metal anti-corrosive paint, is made up of aqueous acrylic modified epoxy resin, neutralizing agent, deionized water, pigment extender, tinting pigment, siccative, it is characterized in that: its feed composition is as follows by weight percentage:
Aqueous acrylic modified epoxy resin 30 ~ 50%
Neutralizing agent 2 ~ 3%
Auxiliary agent 1 ~ 2%
Deionized water 30 ~ 35%
Corrosion-inhibiting pigment 7 ~ 10%
Pigment extender 6 ~ 10%
Tinting pigment 2 ~ 5%
Thickening material 1 ~ 2%
Siccative 1 ~ 3%
Preparation method is as follows:
Step 1) is first by 60% feeding of aqueous acrylic modified epoxy resin and deionized water ratio of component by weight, and whole composition weight got by neutralizing agent, auxiliary agent, corrosion-inhibiting pigment, pigment extender, tinting pigment, puts into stirrer together and mixes;
Step 2) the above-mentioned raw material mixed is placed on grinding distribution in sand mill;
Raw material after grinding distribution processing is put into stirring tank by step 3), adds residue 40% composition weight and thickening material, the siccative of the aqueous acrylic modified epoxy resin of step 1) and deionized water, adopts stirring tank to stir paint;
Work in-process after stirring paint adopt silk to filter by step 4), namely become finished product waterborne metal anti-corrosive paint after removing coarse fodder and impurity,
Auxiliary agent in described recipe ingredient is: one or more in dispersion agent or wetting agent, defoamer, thickening material, the agent of anti-sudden strain of a muscle rust,
Corrosion-inhibiting pigment in recipe ingredient is one or more in the red iron oxide of not leaded and chromium or iron oxide black, aluminium triphosphate, tripolyphosphate zinc.
2. a kind of waterborne metal anti-corrosive paint according to claim 1, is characterized in that: the stirrer in step 1) mixes its rotating speed 600 ~ 1000 revs/min, churning time 20 minutes.
3. a kind of waterborne metal anti-corrosive paint according to claim 1, is characterized in that: step 2) in grinding distribution, its grinding after fineness be≤30 microns.
4. a kind of waterborne metal anti-corrosive paint according to claim 1, is characterized in that: step 2) in grinding distribution its grinding time temperature control for being no more than 35 DEG C.
5. a kind of waterborne metal anti-corrosive paint according to claim 1, is characterized in that: should slowly add when in step 3), siccative adds stirring tank.
6. a kind of waterborne metal anti-corrosive paint according to claim 1, is characterized in that: it is 120 orders that the silk in step 4) filters its silk filter opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210286657.XA CN102796437B (en) | 2012-08-14 | 2012-08-14 | A kind of waterborne metal anti-corrosive paint |
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| CN201210286657.XA CN102796437B (en) | 2012-08-14 | 2012-08-14 | A kind of waterborne metal anti-corrosive paint |
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| CN102796437A CN102796437A (en) | 2012-11-28 |
| CN102796437B true CN102796437B (en) | 2015-09-16 |
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| CN103773175B (en) * | 2013-12-25 | 2016-05-11 | 广州贝客音涂料有限公司 | A kind of environmental friendly, anti-corrosive aqueous priming paint coating and preparation method thereof |
| CN103756521A (en) * | 2014-01-21 | 2014-04-30 | 西北永新涂料有限公司 | Aqueous acrylic acid modified epoxy-ester emulsion anticorrosion coating and preparation method thereof |
| CN104387923A (en) * | 2014-12-09 | 2015-03-04 | 苏州明轩地坪涂料有限公司 | Anticorrosive paint |
| CN104513590B (en) * | 2014-12-23 | 2017-01-25 | 上海海隆石油化工研究所 | High-corrosion resistance two-component waterborne epoxy coating capable of quickly drying at room temperature |
| CN104845456B (en) * | 2015-04-28 | 2017-10-20 | 北京建筑大学 | A kind of metal anti-corrosive paint of environmental protection as well as preparation method and application thereof |
| CN104845504B (en) * | 2015-05-29 | 2017-07-21 | 湖州大周高分子材料有限公司 | A kind of metal anti-corrosion paint |
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| CN106189724A (en) * | 2016-07-26 | 2016-12-07 | 苏州明轩地坪涂料有限公司 | A kind of metal anti-corrosive paint |
| CN106833273A (en) * | 2017-02-09 | 2017-06-13 | 合肥英索莱特新材料科技有限公司 | Water corrosion-resistant epoxy paint |
| CN107022305A (en) * | 2017-02-15 | 2017-08-08 | 滁州金桥德克新材料有限公司 | A kind of high iron chassis are with aqueous quick-drying anti-corrosive antirusting paint |
| CN107641437A (en) * | 2017-10-14 | 2018-01-30 | 苏州嘉乐威企业发展有限公司 | One kind is applied to steel structure aqueous dip painting of engineering machinery and preparation method thereof |
| CN110560809B (en) * | 2019-08-28 | 2020-11-27 | 扬州领先发电设备有限公司 | Preparation method of rotor winding tool |
| CN112080175A (en) * | 2020-09-25 | 2020-12-15 | 佛山市海佳鑫五金制品有限公司 | Water-based paint replacing triacid electrochemical process effect |
| CN112375438A (en) * | 2020-10-27 | 2021-02-19 | 昆山协盛电子有限公司 | Environment-friendly paint for spraying water pump base and preparation method thereof |
| CN115505320A (en) * | 2022-10-20 | 2022-12-23 | 吉力水性新材料科技（珠海）有限公司 | Water-based rust-proof emulsion for rotary embroidery and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1927968A (en) * | 2006-09-05 | 2007-03-14 | 英志祥 | Water industrial paint based on organosilicon acrylic acid epoxy ester water dispersion and preparation method thereof |
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- 2012-08-14 CN CN201210286657.XA patent/CN102796437B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927968A (en) * | 2006-09-05 | 2007-03-14 | 英志祥 | Water industrial paint based on organosilicon acrylic acid epoxy ester water dispersion and preparation method thereof |
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