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Acidic corrosion resistant coating for machining

A mechanical processing and acid-proof technology, used in anti-corrosion coatings, polyester coatings, coatings, etc., can solve the problems of corrosion of protective coatings, reduce service life and other problems, and achieve the effect of high acid resistance and toughness

Inactive Publication Date: 2018-04-13
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 acidic environment, resulting in the exposure of the mechanical surface to the external environment and reducing its service life, and provides an anti-acid corrosion coating for mechanical processing

Method used

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  • Acidic corrosion resistant coating for machining

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Effect test

Embodiment 1

[0019] A kind of anti-acid corrosion coating for mechanical processing, comprising 20 parts of water-based alkyd resin, 5 parts of amino resin, 5 parts of film-forming resin, 2 parts of calcium lignosulfonate, 3 parts of water-retaining agent, and organosilicon water-repellent in parts by weight 3 parts and 60 parts deionized water.

Embodiment 2

[0021] A kind of anti-acid corrosion coating for mechanical processing, comprising 50 parts of water-based alkyd resin, 25 parts of amino resin, 25 parts of film-forming resin, 10 parts of calcium lignosulfonate, 7 parts of water-retaining agent, organic silicon water repellent in parts by weight 7 and 100 parts deionized water.

Embodiment 3

[0023] A kind of anti-acid corrosion coating for mechanical processing, comprising 35 parts of water-based alkyd resin, 14 parts of amino resin, 16 parts of film-forming resin, 6 parts of calcium lignosulfonate, 5 parts of water-retaining agent, organic silicon water repellent in parts by weight 5 parts and 79 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-acid corrosion coating. Hydrophobic agent, deionized water, acrylonitrile, vanadium diboride, tributyl phosphate, polyvinyl alcohol and polysilicone, by using the inherent chemical properties and porosity of the organic membrane itself, using water as the carrier, with the help of water penetration The effect reacts with the acidic substances outside the organic diaphragm, and acts along or against the direction of water pressure, so as to achieve the purpose of waterproof, moisture-proof, and chemical corrosion resistance, and solve the problem that the existing protective coating is corroded by the acidic environment, which causes mechanical surface damage. Exposure to the external environment reduces its service life.

Description

technical field [0001] The invention relates to the field of mechanical processing protective coatings, in particular to a mechanical processing anti-acid corrosion coating. 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 this paint is to isolate the humid environment from the metal surface of the machine and reduce the risk of corrosion on the machine surface. However, in actual use, conventional paint can only be used Isolate the general humid environment. As carbon dioxide emissions exceed the standard, there is a certain amount of acid rain in all major, medium and small cities. Although conventional coatings can isolate the humid environment, as the droplets adsorbed on the surface of the machine dry, the concentration of the acidic liquid increases. The surface of the paint is corroded, causing the mechanical surface to be exposed to the ext...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D161/20C09D201/00C09D5/08
CPCC09D167/08C08L2205/035C09D5/08C08L61/20C08L101/00C08L97/005C08K5/54C08L29/04C08L83/04C08K3/38C08K5/521
Inventor 李成
Owner 成都龙泉马龙机械厂
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