Double-rubber anti-corrosion coating and preparation method thereof

A technology for anti-corrosion coatings and rubber, applied in the direction of anti-corrosion coatings, rubber derivative coatings, coatings, etc., can solve the problems of poor adhesion and flexibility of coatings, unsatisfactory corrosion resistance, and high brittleness of chlorinated rubber. Achieve good water vapor permeability resistance, long salt spray resistance, good adhesion and flexibility

Inactive Publication Date: 2011-11-23
TIANJIN BO XING ENG SCI & TECH LIMITED COMPANY OF CNPC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing chlorinated rubber anti-corrosion coatings are convenient for single-component construction, and because chlorinated rubber itself is brittle and has poor adhesion to steel, plasticizers such as chlorinated paraffin are often used for modification, but the modification effect is limited. Its coating adhesion and flexibility are not as good as two-component coatings, and its long-term corrosion resistance is not ideal

Method used

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  • Double-rubber anti-corrosion coating and preparation method thereof
  • Double-rubber anti-corrosion coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The double-rubber anti-corrosion coating used for the outer wall of a steel structure of the present invention and a manufacturing method thereof.

[0019] In a stainless steel tank, first add 3.2 parts by weight of xylene, add 1 part by weight of chlorinated rubber and 0.6 parts by weight of chlorinated ethylene vinyl acetate copolymer under stirring conditions, and then disperse at high speed until a uniform rubber solution is formed. Then add 0.1 parts by weight of n-butanol, 0.15 parts by weight of acrylic resin, 0.25 parts by weight of rutile titanium dioxide, 0.07 parts by weight of talc, 0.07 parts by weight of mica powder, 0.015 parts by weight of 110 dispersant, 0.011 parts by weight of NDZ201 coupling agent, 0.01 parts by weight 141, 0.009 parts by weight Disperse 358N leveling agent at high speed for 30 minutes, and then grind it with a sand mill for 0.5 to 1 hour to obtain a finished product.

[0020] The main results of the experiment are shown in the table be...

Embodiment 2

[0023] The double-rubber anti-corrosion coating used for the outer wall of a steel structure of the present invention and a manufacturing method thereof.

[0024] In a stainless steel tank, first add 3.2 parts by weight of xylene, add 1 part by weight of chlorinated rubber and 0.6 parts by weight of chlorinated ethylene vinyl acetate copolymer under stirring conditions, and then disperse at high speed until a uniform rubber solution is formed. Then add 0.1 parts by weight of n-butanol, 0.15 parts by weight of acrylic resin, 0.25 parts by weight of rutile titanium dioxide, 0.07 parts by weight of talc, 0.07 parts by weight of mica powder, 0.015 parts by weight of 5010 dispersant, 0.011 parts by weight of NDZ201 coupling agent, 0.01 parts by weight 2035, 0.009 parts by weight Disperse 3777 leveling agent at high speed for 30 minutes, and then grind it with a sand mill for 0.5 to 1 hour to obtain a finished product.

[0025] The main results of the experiment are shown in the tab...

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Abstract

The invention relates to a double-rubber anti-corrosion coating and a preparation method thereof. The double-rubber anti-corrosion coating is composed of the following components in parts by weight: 1 part of chlorinated rubber, 0.5-0.8 part of vinyl chloride vinyl acetate copolymer, 3.1-3.7 parts of dimethylbenzene, 0.1-0.15 part of n-butyl alcohol, 0.1-0.2 part of acrylic resin, 0.2-0.35 part of rutile type titanium white, 0.05-0.1 part of talc powder, 0.05-0.1 part of mica powder, 0.01-0.02 part of dispersing agent, 0.005-0.02 part of titanate coupling agent, 0.0005-0.02 part of organic silicon defoamer and 0.005-0.02 part of flatting agent. The double-rubber anti-corrosion coating is prepared by mixing, dispersing at a high speed and grinding. When in use, the double-rubber anti-corrosion coating forms a coating film along with the volatilization of the solvent. The double-rubber anti-corrosion coating is used for the corrosion resistance of steel structures, such as platforms, ships, bridges, buildings and the like, has the advantages of good adhesive force and flexibility, good water vapor permeability resistance, resistance against corrosion of various chemical mediators and the like.

Description

Technical field [0001] The invention relates to a double-rubber anti-corrosion paint that can be used on the outer wall of steel structures and a manufacturing method thereof, which are used for the anti-corrosion of steel structures such as platforms, ships, bridges, and buildings. Background technique [0002] The existing chlorinated rubber anti-corrosion coatings are easy to construct due to their single-component construction. Because the chlorinated rubber itself is brittle and has poor adhesion to steel, it is often modified with plasticizers such as chlorinated paraffin wax, but the modification effect is limited. Its coating adhesion and flexibility are not as good as two-component coatings, and its long-term corrosion resistance is not ideal. Summary of the invention [0003] The purpose of the present invention is to provide a way to use the elasticity of chlorinated ethylene vinyl acetate copolymer to improve the brittleness of chlorinated rubber, and to improve the ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D115/02C09D123/28C09D131/04C09D7/12C09D5/08
Inventor 杜建伟张丽萍张静郭晓军刘杨宇段绍明吕光明杨长春
Owner TIANJIN BO XING ENG SCI & TECH LIMITED COMPANY OF CNPC
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