Metallic paint for protecting plastic shell of electric equipment

A technology for plastic casings and electrical equipment, applied in the field of metal paint, can solve the problems of short service life of paint film, easy to be oxidized and corroded, and poor scratch resistance, so as to reduce the aging effect, improve the protection effect and service life, and improve the Effect of Curing Properties

Inactive Publication Date: 2018-08-07
合肥市闵葵电力工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional metallic paints have poor adhesion to plastic surfaces, and the surface needs to be pretreated to improve the adhesion strength of metallic paints. In addition, conventional metallic paints have poor scratch resistance and are easily damaged when used on the surface of outdoor equipment. Oxidation corrosion, causing the paint film to fall off, if not maintained regularly, the service life of the paint film is short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A metal paint used for the protection of plastic casings of electric power equipment. According to the mass parts, the composition of the metal paint includes: 40 parts of acrylic acid and copolymer emulsion, 15 parts of chlorinated polyolefin, 10 parts of epoxy resin emulsion, and 15 parts of water , 15 parts of aluminum silver paste, 4 parts of modified zinc chelate, 7 parts of nano-titanium dioxide, 3 parts of silane coupling agent, 4 parts of pearlescent pigment, 6 parts of curing modifier, 3 parts of wetting and dispersing additive, light stable 1 part of UV absorber, 1.8 parts of UV absorber, 0.4 part of defoamer, and 1 part of film-forming aid.

[0024] In this example, the preparation method of the modified zinc chelate is as follows: Weigh the corn oligopeptide and zinc sulfate with a molar ratio of 3:1, add water to form a solution with a peptide mass fraction of 4%, and adjust the pH value of the solution with hydrochloric acid Adjust it to 5, mix and react f...

Embodiment 2

[0028] A metal paint used for the protection of plastic casings of electric power equipment. According to parts by mass, the composition of the metal paint includes: 50 parts of acrylic acid and copolymer emulsion, 20 parts of chlorinated polyolefin, 15 parts of epoxy resin emulsion, and 18 parts of water , 20 parts of aluminum silver paste, 9 parts of modified zinc chelate, 10 parts of nano-titanium dioxide, 7 parts of silane coupling agent, 8 parts of pearlescent pigment, 11 parts of curing modifier, 5 parts of wetting and dispersing additive, light stable 2 parts of UV absorber, 3 parts of UV absorber, 0.6 part of defoamer, and 3 parts of film-forming aid.

[0029] In this example, the preparation method of the modified zinc chelate is as follows: Weigh the corn oligopeptide and zinc sulfate with a molar ratio of 3:1, add water to form a solution with a peptide mass fraction of 4%, and adjust the pH value of the solution with hydrochloric acid Adjust to 6, mix and react for...

Embodiment 3

[0033] A metal paint used for the protection of plastic casings of electric power equipment. According to parts by mass, the composition of the metal paint includes: 45 parts of acrylic acid and copolymer emulsion, 17 parts of chlorinated polyolefin, 13 parts of epoxy resin emulsion, and 16 parts of water , 18 parts of aluminum silver paste, 7 parts of modified zinc chelate, 9 parts of nano-titanium dioxide, 5 parts of silane coupling agent, 6 parts of pearlescent pigment, 9 parts of curing modifier, 4 parts of wetting and dispersing additive, light stable 1.5 parts of UV absorber, 2.2 parts of UV absorber, 0.5 parts of defoamer, and 2 parts of film-forming aid.

[0034] In this example, the preparation method of the modified zinc chelate is as follows: Weigh the corn oligopeptide and zinc sulfate with a molar ratio of 3:1, add water to form a solution with a peptide mass fraction of 4%, and adjust the pH value of the solution with hydrochloric acid Adjust to 5.5, mix and reac...

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Abstract

The invention relates to the technical field of higher molecular coatings and particularly relates to metallic paint for protecting a plastic shell of electric equipment. The metallic paint contains the following components: acrylic acid and copolymer emulsion, chlorinated polyolefine, an emulsion, water, modified zinc chelate, nano-titanium dioxide, asilane coupling agent, pearlescent pigments, acuring modifying agent, a wetting dispersion aid, a light stabilizer, an ultraviolet light absorber, a defoaming agent and a film forming aid, wherein the curing modifying agent is cellulose acetatebutyrate or aliphatic hexamethylene diisocyanate; the pearlescent pigments are formed by mica particles coated with a titanium dioxide layer, and the particle sizes of the pearlescent pigments are 10-15 microns; and the film forming aid is propanediol butyl ether or propylene glycol methyl ether acetate. The metallic paint has strong adhesion force to the surface of plastic, is unlikely to fall, has good scratch resistance, corrosion resistance and aging resistance and is suitable for protecting the plastic shell of outdoor electric equipment.

Description

technical field [0001] The invention relates to the technical field of polymer coatings, in particular to a metallic paint used for the protection of plastic shells of electric equipment. Background technique [0002] Metallic paint is a kind of high-grade paint prepared with metal powder, such as copper powder, aluminum powder, etc. After reaching the aluminum particles, it is reflected by the aluminum particles through the paint film, which looks like the metal is shining, so it is called metallic paint. Metallic paint is suitable for the overlay protection of metal, wood, plastic, and building exterior walls, and can also be used for the overlay protection and decoration of epoxy, polyurethane, acrylic series and other paints. The paint film of metallic paint is tough, with strong UV resistance, corrosion resistance and high fullness, which can comprehensively improve the service life and self-cleaning property of the coating. [0003] Many electrical equipments are pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D5/10C09D5/33C09D7/61C09D7/63
CPCC09D4/06C09D5/004C09D5/103C09D7/61C09D7/63
Inventor 何飞
Owner 合肥市闵葵电力工程有限公司
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