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Chemical anticorrosion teflon coating

A chemical anti-corrosion, Teflon technology, applied in the field of coatings, can solve the problems of high cost of coatings, limited promotion and use, etc., and achieve the effects of improving corrosion resistance, good wear resistance, and increased cross-linking density

Inactive Publication Date: 2016-02-03
无锡大塘复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of coatings with good anti-corrosion effect is very high, which limits their popularization and use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A chemical anti-corrosion Teflon coating, consisting of the following raw materials in parts by weight: 36 parts of silica sol; 16 parts of zirconia sol; 30 parts of polytetrafluoroethylene; 15 parts of epoxy resin; 15 parts of phenolic resin; 8 parts; 10 parts of ceramic powder; 10 parts of glass powder; 3 parts of carbon black; 30 parts of modified amine curing agent; 20 parts of xylene; 20 parts of n-butanol; 3 parts of defoamer.

Embodiment 2

[0012] A chemical anti-corrosion Teflon coating, consisting of the following raw materials in parts by weight: 32 parts of silica sol; 10 parts of zirconia sol; 20 parts of polytetrafluoroethylene; 10 parts of epoxy resin; 10 parts of phenolic resin; 5 parts; 5 parts of ceramic micropowder; 5 parts of glass powder; 1 part of carbon black; 20 parts of modified amine curing agent; 10 parts of xylene; 10 parts of n-butanol; 1 part of defoamer.

Embodiment 3

[0014] A chemical anti-corrosion Teflon coating, consisting of the following raw materials in parts by weight: 35 parts of silica sol; 13 parts of zirconia sol; 25 parts of polytetrafluoroethylene; 12 parts of epoxy resin; 12 parts of phenolic resin; 6 parts; 7 parts of ceramic powder; 8 parts of glass powder; 2 parts of carbon black; 25 parts of modified amine curing agent; 15 parts of xylene; 15 parts of n-butanol; 2 parts of defoamer.

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PUM

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Abstract

A chemical anticorrosion teflon coating is prepared from the following materials in parts by weight: 32 to 36 parts of silicon oxide sol, 10 to 16 parts of zirconia sol, 20 to 30 parts of teflon, 10 to 15 parts of epoxy resin, 10 to 15 parts of phenolic resin, 5 to 8 parts of kieselguhr, 5 to 10 parts of ultrafine ceramic powder, 5 to 10 parts of glass powder, 1 to 3 parts of carbon black, 20 to 30 parts of modified amine hardener, 10 to 20 parts of xylene, 10 to 20 parts of n-butyl alcohol and 1 to 3 parts of defoamer. The coating is used for chemical equipment inner wall anticorrosion, is convenient for construction, effectively resists the corrosion of strong corrosive exhaust gases (such as gases of SO2, NOx, HF and HCL) to a steel inner wall, and also effectively resists the corrosion of strong corrosive liquids (strong corrosive materials such as H2SO4, HCL and HF); meanwhile a paint film formed by the coating has higher abrasive resistance, temperature tolerance and heat and cold shock resistance.

Description

technical field [0001] The application relates to the technical field of coatings, in particular to a Teflon coating used for chemical anticorrosion. Background technique [0002] Desulfurization flue gas towers, waste gas treatment devices and other equipment are affected by SO 2 , NO x , HF, HCl and other gases require frequent cleaning or even replacement of parts. In order to overcome this corrosion and corrosion, domestic electric power and metallurgical research and design departments have been looking for a low-cost, high-temperature-resistant, and corrosion-resistant material. However, the cost of coatings with good anticorrosion effect is very high, which limits their popularization and use. Contents of the invention [0003] Aiming at the problems mentioned above in the prior art, the applicant provides a chemical anti-corrosion Teflon coating. This coating is used for anti-corrosion of the inner wall of chemical equipment, which is convenient for constructio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/18C09D163/00C09D161/06C09D7/12C09D5/08
Inventor 陈云
Owner 无锡大塘复合材料有限公司
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