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Polytetrafluoroethylene coating and preparation method thereof

A polytetrafluoroethylene and coating technology, applied in the field of coatings, can solve the problems of poor wear resistance and poor electrical conductivity of polytetrafluoroethylene, and achieve the effects of excellent organic solvent resistance, good adhesion, and good electrical conductivity

Inactive Publication Date: 2015-01-07
山东瑞特新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because PTFE has defects such as poor wear resistance and poor electrical conductivity, in-depth research is needed to overcome these problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A polytetrafluoroethylene coating, comprising by weight components: 70 parts of polytetrafluoroethylene, 10 parts of epoxy resin E51, 5 parts of silicone resin, 20 parts of silver powder (180 mesh), benzyl dimethyl ketone 2 parts of alcohol, 1 part of ammonium stearate, 1 part of diethylene glycol monohexyl ether, 1 part of calcium dodecylbenzenesulfonate, 15 parts of ammonia water (mass concentration: 25%), 5 parts of aluminum oxide, copper Powder (100 mesh) 8 parts, graphite powder (150 mesh) 5 parts, diacetone alcohol 2 parts, tributyl phosphate 1 part, dimethyl diallyl ammonium chloride 1 part, epichlorohydrin 8 parts .

[0022] The preparation method of polytetrafluoroethylene coating described above, carries out according to the following steps:

[0023] Step 1, take polytetrafluoroethylene, epoxy resin, silicone resin, silver powder, ammonium stearate, copper powder, graphite powder, aluminum oxide, tributyl phosphate and diethylene glycol monohexyl by weight pa...

Embodiment 2

[0027] A polytetrafluoroethylene coating, comprising by weight components: 75 parts of polytetrafluoroethylene, 12 parts of epoxy resin E21, 6 parts of silicone resin, 26 parts of silver powder (200 mesh), benzyl dimethyl ketone 3 parts of alcohol, 2 parts of ammonium stearate, 2 parts of diethylene glycol monohexyl ether, 3 parts of calcium dodecylbenzenesulfonate, 18 parts of ammonia water (mass concentration: 30%), 6 parts of aluminum oxide, copper Powder (120 mesh) 10 parts, graphite powder (180 mesh) 7 parts, diacetone alcohol 3 parts, tributyl phosphate 2 parts, dimethyl diallyl ammonium chloride 2 parts, epichlorohydrin 10 parts .

[0028] The preparation method of polytetrafluoroethylene coating described above, carries out according to the following steps:

[0029] Step 1, take polytetrafluoroethylene, epoxy resin, silicone resin, silver powder, ammonium stearate, copper powder, graphite powder, aluminum oxide, tributyl phosphate and diethylene glycol monohexyl by we...

Embodiment 3

[0033] A polytetrafluoroethylene coating, comprising by weight components: 76 parts of polytetrafluoroethylene, 15 parts of epoxy resin E21, 7 parts of silicone resin, 27 parts of silver powder (200 mesh), benzyl dimethyl ketone 5 parts of alcohol, 3 parts of ammonium stearate, 3 parts of diethylene glycol monohexyl ether, 4 parts of calcium dodecylbenzenesulfonate, 19 parts of ammonia water (mass concentration: 36%), 7 parts of aluminum oxide, copper Powder (180 mesh) 12 parts, graphite powder (180 mesh) 8 parts, diacetone alcohol 5 parts, tributyl phosphate 3 parts, dimethyl diallyl ammonium chloride 3 parts, epichlorohydrin 11 parts .

[0034] The preparation method of polytetrafluoroethylene coating described above, carries out according to the following steps:

[0035] Step 1, take polytetrafluoroethylene, epoxy resin, silicone resin, silver powder, ammonium stearate, copper powder, graphite powder, aluminum oxide, tributyl phosphate and diethylene glycol monohexyl by we...

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Abstract

The invention discloses a polytetrafluoroethylene coating and a preparation method thereof. The polytetrafluoroethylene coating comprises the following components: polytetrafluoroethylene, epoxy resin, organic silicon resin, silver powder, benzyldimethyl ketal, ammonium stearate, 2-((2-hexyloxy)ethoxy)ethanol, calcium dodecylbenzene sulfonate, ammonia water, aluminum oxide, copper powder, graphite powder, diacetone alcohol, tributyl phosphate, dimethyldiallylammonium chloride and epoxy chloropropane. The preparation method comprises the following steps of adding polytetrafluoroethylene, epoxy resin, organic silicon resin, the silver powder, ammonium stearate, the copper powder, the graphite powder, aluminum oxide, tributyl phosphate and 2-((2-hexyloxy)ethoxy)ethanol into a reaction kettle, heating and uniformly stirring; then, discharging after grinding by using a grinder to obtain a mixture I; stirring and uniformly mixing the rest components, and grinding to form a mixture II with the particle size same as that of the mixture I; and finally, mixing the mixture I and the mixture II.

Description

technical field [0001] The invention relates to a paint, in particular to a polytetrafluoroethylene paint and a preparation method thereof, and belongs to the technical field of chemical paint preparation. Background technique [0002] The R & D technology of new functional materials is one of the factors to measure the development level of a country's productivity. It can affect the development of many fields such as electronics, aerospace, communications, etc. Conductive materials are one of them. Conductive coatings refer to coatings on non-conductive substrates. On the surface, it is a functional coating with a certain ability to conduct electric current and dissipate static charge. Due to its special functions, conductive coatings can be used to eliminate static electricity, electromagnetic shielding, electric heating and anti-corrosion, and have been widely used in various fields such as modern electronics, construction, transportation and military affairs. Compared w...

Claims

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Application Information

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IPC IPC(8): C09D127/18C09D163/00C09D183/04C09D7/12
CPCC09D127/18C08K2201/003C08L2205/03C09D7/61C09D7/63C09D7/65C08L63/00C08L83/04C08K13/02C08K2003/0806C08K5/1515C08K5/19C08K3/04C08K2003/2227
Inventor 李海涛李恒滨
Owner 山东瑞特新材料有限公司
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