Anticorrosive high-rigidity ceramic coating

A ceramic coating, high hardness technology, applied in the direction of anti-corrosion coating, epoxy resin coating, coating, etc., can solve the problems of low hardness of fluorocarbon coating, need to further improve corrosion resistance, poor scratch resistance, etc., to achieve excellent The effect of anti-corrosion performance, good mechanical properties and good anti-corrosion performance

Inactive Publication Date: 2010-09-29
SHANGHAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, fluorocarbon coatings still have shortcomings such as low hardness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0018] Example 1: An anti-corrosion high-hardness ceramic coating, the coating includes the following components and weight% content: bisphenol A epoxy resin (E03 epoxy resin) 30%, submicron alumina powder 35%, two Ethyl triamine curing agent 15%, titanium dioxide 15%, AFCONA4046 dispersant 5%.

Example Embodiment

[0019] Embodiment 2: An anti-corrosion high-hardness ceramic coating, the coating includes the following components and weight% content: bisphenol A epoxy resin (E06 epoxy resin) 35%, submicron alumina powder 30%, two Ethyl triamine curing agent 15%, titanium dioxide 15%, AFCONA4046 dispersant 5%.

Example Embodiment

[0020] Example 3: An anti-corrosion high-hardness ceramic coating, the coating including the following components and weight% content: bisphenol A epoxy resin (E14 epoxy resin) 25%, submicron alumina powder 35%, phenolic resin Amine T31 curing agent 20%, titanium dioxide 15%, AFCONA4046 dispersant 5%.

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PUM

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Abstract

The invention relates to an anticorrosive high-rigidity ceramic coating. The coating comprises the following components in percentage by weight: 20 to 40 percent of epoxy resin, 30 to 50 percent of submicron ceramic powder, 5 to 10 percent of titanium pigment, 15 to 20 percent of epoxy resin curing agent and 1 to 5 percent of high polymer dispersant. The coating of the invention can provide effective protection for the surfaces of metals such as an aluminum alloy and the like. The coating has excellent anticorrosive performance and mechanical performance, wherein the mechanical performance is that the rigidity is 4H and the adhesive force is 1 level. The rigidity of an ordinary epoxy coating is 2H. The coating is more applicable for the fields of aerospace, ocean shipping, chemical engineering and the like.

Description

technical field [0001] The invention relates to a ceramic coating, in particular to an anti-corrosion high-hardness ceramic coating. Background technique [0002] Among the metal materials, the aluminum alloy base material is widely used in the fields of aerospace equipment, airports, subways and architectural decoration due to its unique mechanical properties, anti-corrosion properties, lightness and beauty. Usually, in order to improve the anti-corrosion, weather resistance and other properties of the material and prolong its service life, the aluminum alloy material must be protected before it is used. There are many ways to treat the surface of aluminum alloy. From the perspective of development trend, it has gone through the following development stages: silver white anodizing → electrolytic coloring after anodizing → thick film anodizing → electrophoretic coating after anodizing (electrolytic coloring) Installation→electrostatic spraying after chemical conversion (pow...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D163/02C09D7/12C09D5/08
Inventor 施利毅杭建忠邱忠培孙小英
Owner SHANGHAI UNIV
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