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Antirust coating for automobile chassis

A technology for anti-rust coatings and automobile chassis, applied in the field of coatings, can solve problems such as environmental pollution, high VOC content, endangering human health, etc., and achieve the effects of shortened construction period, low VOC, and low construction cost

Inactive Publication Date: 2018-07-20
安徽喜宝高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High VOC content, causing serious environmental pollution and endangering human health in the process of production and painting

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An antirust paint for automobile chassis, made of the following components in parts by weight: 75% acrylic emulsion, 10% xanthan gum, 0.5% defoamer, 0.3% dispersant, 1.2% film-forming aid, 5% barium sulfate, and modified zinc phosphate 6. Surfactant 0.8, isotridecyloxypropylamine 2, nano-alumina 3, talcum powder 3, tributyl phosphate 2, oxidized starch 8, sepiolite powder 1, chlorinated paraffin 3.

[0016] Further, the dispersant is polyacrylamide.

[0017] Further, the defoamer is polyoxypropylene glyceryl ether.

[0018] Further, the preparation method of the modified zinc phosphate is:

[0019] Dissolve zinc phosphate in water to prepare a zinc phosphate solution with a mass fraction of 10%, add 30% of its mass absolute ethanol to the zinc phosphate solution, stir evenly, heat to 60°C, keep warm for 10min, and mix zinc phosphate with alcohol solution , and then add an organosilane coupling agent of 2.5% by mass of the zinc phosphate mixed alcohol solution, stir at...

Embodiment 2

[0024] An antirust coating for automobile chassis, made of the following components in parts by weight: 80% acrylic emulsion, 15% xanthan gum, 0.8% defoamer, 0.6% dispersant, 1.5% film-forming aid, 10% barium sulfate, and modified zinc phosphate 8. Surfactant 1.2, isotridecyloxypropylamine 5, nano-alumina 6, talcum powder 6, tributyl phosphate 4, oxidized starch 12, sepiolite powder 3, chlorinated paraffin 5.

[0025] Further, the dispersant is polyacrylamide.

[0026] Further, the defoamer is polyoxypropylene glyceryl ether.

[0027] Further, the preparation method of the modified zinc phosphate is:

[0028] Dissolve zinc phosphate in water to prepare a zinc phosphate solution with a mass fraction of 10%, add 30% of its mass absolute ethanol to the zinc phosphate solution, stir evenly, heat to 60°C, keep warm for 10min, and mix zinc phosphate with alcohol solution , and then add an organosilane coupling agent of 2.5% by mass of the zinc phosphate mixed alcohol solution, sti...

Embodiment 3

[0033] An antirust coating for automobile chassis, made of the following components in parts by weight: 78 acrylic emulsions, 12 xanthan gums, 0.6 defoamers, 0.4 dispersants, 1.3 film-forming aids, 8 barium sulfates, and modified zinc phosphate 7. Surfactant 1.1, isotridecyloxypropylamine 3, nano-alumina 5, talcum powder 4, tributyl phosphate 3, oxidized starch 10, sepiolite powder 2, chlorinated paraffin 4.

[0034] Further, the dispersant is polyacrylamide.

[0035] Further, the defoamer is polyoxypropylene glyceryl ether.

[0036] Further, the preparation method of the modified zinc phosphate is:

[0037] Dissolve zinc phosphate in water to prepare a zinc phosphate solution with a mass fraction of 10%, add 30% of its mass absolute ethanol to the zinc phosphate solution, stir evenly, heat to 60°C, keep warm for 10min, and mix zinc phosphate with alcohol solution , and then add an organosilane coupling agent of 2.5% by mass of the zinc phosphate mixed alcohol solution, stir...

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Abstract

The invention discloses an antirust coating for an automobile chassis, and relates to the technical field of coatings. The antirust coating is prepared from an acrylic emulsion, xanthan gum, a defoaming agent, a dispersant, a film forming additive, barium sulfate, modified zinc phosphate, a surfactant, isotridecyloxy propylamine, nano-alumina, talcum, tributyl phosphate, oxidized starch, sepiolitepowder and chlorinated paraffin. The antirust coating for the automobile chassis uses the acrylic emulsion as a basic film forming substance, contains general coating components, and also contains the modified zinc phosphate, and the modified zinc phosphate is chemically reacted with iron rusts to convert harmful iron rusts into harmless or protective substances, so the coating containing the modified zinc phosphate has a fast effect on the iron rusts, can be applied together with rusts, and can wet and infiltrate a loose and porous corrosion layer to convert the iron rusts into inert and non-corrosive black substances.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to an antirust coating for automobile chassis. Background technique [0002] The chassis of a car is part of the most complex and harsh environment in the service life of a car. From the time a new car comes off the assembly line to its scrapping, the chassis has been bearing the mission of supporting the car body and experiencing the attack of sand and gravel rolled up by the high-speed rotating wheels. Facing erosion from rain, snow, mud, etc., and occasionally scratches and damage from bumpy roads. These harsh usage conditions are unbearable for the chassis steel plate that has only undergone simple anti-corrosion treatment: continuous sand and stone impacts will cause serious damage to the rust-proof surface of the chassis steel plate, and the new steel plate base material is easily damaged by oxygen in the air. Oxidation and rust, especially serious air pollution,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/08C09D7/61C09D7/63C09D7/65
CPCC09D133/04C08K2003/2227C08K2003/328C08K2201/011C08L2205/035C09D5/08C08L3/10C08K13/06C08K9/06C08K3/32C08K3/22C08K3/34
Inventor 李振飞
Owner 安徽喜宝高分子材料有限公司
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