Mechanical processing alkali corrosion resistant paint

A kind of mechanical processing and coating technology, applied in the direction of anti-corrosion coatings, etc., can solve the problems of corrosion of protective coatings, reduce service life, etc., and achieve the effect of high alkali resistance and toughness

Inactive Publication Date: 2018-03-16
成都龙泉马龙机械厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims at the problem that the existing protective coating is corroded by the alkaline environment, resulting in the exposure of the mechanical surface to the external environment and reducing its service life, and provides an anti-alkaline corrosion coating for mechanical processing

Method used

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  • Mechanical processing alkali corrosion resistant paint

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Effect test

Embodiment 1

[0019] A kind of anti-alkaline corrosion paint for machining, comprising 40 parts of polyvinyl acetate emulsion, 15 parts of titanium dioxide, 8 parts of triethanolamine oxane, 4 parts of butadiene-styrene copolymer emulsion, 2 parts of pearl powder, 2 parts dispersant and 40 parts deionized water.

Embodiment 2

[0021] A kind of anti-alkaline corrosion paint for machining, comprising 70 parts of polyvinyl acetate emulsion, 25 parts of titanium dioxide, 24 parts of triethanolamine oxane, 12 parts of butadiene-styrene copolymer emulsion, 8 parts of pearl powder in parts by weight, 8 parts dispersant and 120 parts deionized water.

Embodiment 3

[0023] A kind of anti-alkaline corrosion paint for mechanical processing, comprising 55 parts of polyvinyl acetate emulsion, 20 parts of titanium dioxide, 18 parts of triethanolamine oxane, 7 parts of butadiene-styrene copolymer emulsion, 5 parts of pearl powder in parts by weight, 5 parts dispersant and 80 parts deionized water.

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PUM

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Abstract

The invention relates to the field of mechanical processing protective coatings, and discloses a mechanical processing anti-alkaline corrosion coating. Pearl powder, dispersant, deionized water, azole compounds, vanadium diboride, tributyl phosphate, polyvinyl alcohol and polysilicone, can be formed on the surface of mechanical metal by using titanium dioxide and butadiene-styrene copolymer emulsion A waterproof diaphragm, with water as the carrier, reacts with the alkaline substances outside the organic diaphragm by means of the penetration of water, and acts along or against the direction of water pressure, so as to achieve the purpose of waterproof, moisture-proof and chemical corrosion resistance. It solves the problem that the existing protective paint is corroded by the alkaline environment, which causes the mechanical surface to be exposed to the external environment and reduces its service life.

Description

technical field [0001] The invention relates to the field of mechanical processing protective coatings, in particular to an anti-alkaline corrosion coating for mechanical processing. Background technique [0002] In the existing mechanical processing, when the finished product is completed, it is necessary to coat the exterior with paint. The main purpose of the paint is to isolate the wet environment from the metal surface of the machine and reduce the risk of corrosion on the machine surface. However, in actual use, such as the polyoxymethylene project Among them, in the sodium hydroxide storage tank, the butt weld is easily corroded by alkaline solution or gas, and cracks occur due to the combined action of tensile stress and corrosive medium. This corrosion occurs along the intergranular cracks, which is stress corrosion cracking. a type. [0003] Therefore, need a kind of waterproof, anti-seepage, change the deficiency of existing protective coating, solve a kind of me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D109/08C09D5/08C09D7/61C09D7/63C09D7/65
CPCC09D131/04C08K2003/2241C08L2205/035C09D5/08C08L9/08C08K3/22C08K5/17C08L29/04C08L83/04C08K13/02C08K3/38C08K5/521
Inventor 李成
Owner 成都龙泉马龙机械厂
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