High-temperature resistant and wear-resistant coating material for military electronic components and preparation method thereof

A technology of electronic components and wear-resistant coatings, applied in coatings, fire-resistant coatings, epoxy resin coatings, etc., can solve the problems of large friction coefficient, short service life, narrow temperature resistance range, etc. The effect of long service life and wide temperature range

Inactive Publication Date: 2018-12-21
ANHUI NIKOLA ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of narrow temperature resistance range, large friction coefficient, poor wear resistance and short service life of coating materials used in military components in the prior art, and proposes a coating material for military electronic components. High temperature and wear resistant coating material and preparation method thereof

Method used

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  • High-temperature resistant and wear-resistant coating material for military electronic components and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A high-temperature-resistant and wear-resistant coating material for military electronic components proposed by the present invention comprises the following raw materials in parts by weight:

[0018] 30 parts of epoxy resin, 30 parts of polyurethane resin, 1 part of polytetrafluoroethylene micro-powder wax, 1 part of ammonium sulfate, 3 parts of isobutyltriethoxysilane, 5 parts of talcum powder, 2 parts of nano silicon dioxide, antioxidant 1 part of agent, 1 part of dispersant.

[0019] Its preparation method comprises the following steps:

[0020] S1. According to the specific gravity, add polytetrafluoroethylene micropowder wax and ammonium sulfate into isobutyltriethoxysilane, stir at a speed of 300r / min for 5min, then add talc powder and nano silicon dioxide, and ultrasonically Evenly dispersed mixture A;

[0021] S2. According to the specific gravity, epoxy resin, polyurethane resin, antioxidant, dispersant and the mixture A obtained in step S1 are jointly added...

Embodiment 2

[0024] A high-temperature-resistant and wear-resistant coating material for military electronic components proposed by the present invention comprises the following raw materials in parts by weight:

[0025] 40 parts of epoxy resin, 40 parts of polyurethane resin, 4.5 parts of polytetrafluoroethylene micro-powder wax, 1.5 parts of ammonium sulfate, 4 parts of isobutyltriethoxysilane, 6.5 parts of talcum powder, 3.5 parts of nano silicon dioxide, antioxidant 1.5 parts of agent and 1.5 parts of dispersant.

[0026] Its preparation method comprises the following steps:

[0027] S1. According to the specific gravity, add polytetrafluoroethylene micropowder wax and ammonium sulfate into isobutyltriethoxysilane, stir at a speed of 400r / min for 8min, then add talc powder and nano silicon dioxide, and ultrasonically Evenly dispersed mixture A;

[0028] S2. According to the specific gravity, epoxy resin, polyurethane resin, antioxidant, dispersant and the mixture A obtained in step S...

Embodiment 3

[0031] A high-temperature-resistant and wear-resistant coating material for military electronic components proposed by the present invention comprises the following raw materials in parts by weight:

[0032] 50 parts of epoxy resin, 50 parts of polyurethane resin, 8 parts of polytetrafluoroethylene micro-powder wax, 2 parts of ammonium sulfate, 5 parts of isobutyl triethoxysilane, 8 parts of talcum powder, 5 parts of nano silicon dioxide, antioxidant 2 parts of agent and 2 parts of dispersant.

[0033] Its preparation method comprises the following steps:

[0034] S1. According to the specific gravity, add polytetrafluoroethylene micropowder wax and ammonium sulfate into isobutyltriethoxysilane, stir at a speed of 500r / min for 10min, then add talc powder and nano silicon dioxide, and ultrasonically Evenly dispersed mixture A;

[0035] S2. According to the specific gravity, epoxy resin, polyurethane resin, antioxidant, dispersant and the mixture A obtained in step S1 are join...

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Abstract

The invention belongs to the technical field of military electronic materials and particularly relates to a high-temperature resistant and wear-resistant coating material for military electronic components and a preparation method thereof, and solves the problems of narrow temperature-resistant range, relatively great friction coefficient, poor wear resistance and short service life prevailing among the coating materials for military components in the prior art. The high-temperature resistant and wear-resistant coating material for military electronic components is prepared from the followingraw materials: epoxy resin, polyurethane resin, micronized polytetrafluoroethylene wax, ammonium sulfate, isobutyl triethoxysilane, talc powder, nano silicon dioxide, an antioxidant and a dispersing agent. With scientific formula and precise proportioning, the high-temperature resistant and wear-resistant coating material for military electronic components prepared in the invention has a wide temperature range and can resist a temperature from -78 DEG C to 155 DEG C; the wear resistance is good, the friction coefficient is as low as 0.076, and the service life is long; moreover, the preparation method is simple, the preparation conditions are mild, industrial production is facilitated, and the high-temperature resistant and wear-resistant coating material can be widely applied.

Description

technical field [0001] The invention relates to the technical field of military electronic materials, in particular to a high-temperature and wear-resistant coating material for military electronic components and a preparation method thereof. Background technique [0002] Electronic components are components of electronic components and small electrical machines and instruments. They are often composed of several parts and can be used in similar products; they often refer to certain parts in industries such as electrical appliances, radios, and instruments, such as capacitors and transistors. The general term for sub-devices such as springs, hairsprings, and springs. Common ones include diodes, etc. Electronic components include: resistors, capacitors, potentiometers, electron tubes, radiators, electromechanical components, connectors, semiconductor discrete devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D175/04C09D127/18C09D7/61C09D7/65
CPCC08K2003/3045C08K2201/011C08L2201/08C08L2203/20C08L2205/03C09D5/18C09D7/61C09D7/65C09D163/00C09D175/04C08L75/04C08L27/18C08K13/02C08K3/30C08L63/00
Inventor 夏森陈大龙黄耀操瑞谢荣婷
Owner ANHUI NIKOLA ELECTRONICS TECH CO LTD
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