Heat-resistant coating for electronic equipment as well as preparation method thereof

A technology for heat-resistant coatings and electronic equipment, applied in the direction of conductive coatings, anti-corrosion coatings, fire-resistant coatings, etc., can solve the problems of insufficient thermal conductivity of coatings, which have not been studied, and achieve good gloss, good appearance of the coating film, and strong adhesion Effect

Inactive Publication Date: 2018-11-20
HEFEI DONGHENGRUI ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Domestic patents also have many patents related to insulation and high temperature resistance, such as CN101029196, CN101643625, CN101560342, etc. all relate to insulation and heat-resistant coatings used on metal surfaces. The prepared coatings have excellent insulation, heat, and corrosion resistance. deficient or understudied

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A heat-resistant coating for electronic equipment, comprising the following raw materials in parts by weight: 21-26 parts of modified acrylic resin, 18 parts of amino resin, 8 parts of dispersant, 3 parts of isopropanol, 18 parts of toughening fiber, diatomaceous earth 18 parts, 16 parts of talcum powder, 6 parts of carbon black, 6 parts of barium sulfate, 8 parts of organic solvent, 8 parts of dodecyl alcohol ester, 4 parts of film forming agent, 11 parts of paraffin wax, 8 parts of antioxidant, adhesive 3 parts of agent and 7 parts of leveling agent.

[0032] A method for preparing a heat-resistant coating for electronic equipment, comprising the following preparation steps:

[0033] a. Mix the modified acrylic resin, amino resin and dispersant into the reaction kettle, stir and react at 180°C for 1.5h, after the reaction, add isopropanol, cool down to 93°C, and rotate at 120r / min Stir the reaction for 0.6h, after the reaction is completed, cool to normal temperature...

Embodiment 2

[0044] A heat-resistant coating for electronic equipment, comprising the following raw materials in parts by weight: 21 parts of modified acrylic resin, 20 parts of amino resin, 4 parts of dispersant, 3 parts of isopropanol, 22 parts of toughening fiber, and 15 parts of diatomaceous earth , 15 parts of talcum powder, 8 parts of carbon black, 6 parts of barium sulfate, 4 parts of organic solvent, 12 parts of dodecyl alcohol ester, 4 parts of film forming agent, 8 parts of paraffin wax, 6 parts of antioxidant, 3 parts of binder 6 parts and 6 parts of leveling agent.

[0045] A method for preparing a heat-resistant coating for electronic equipment, comprising the following preparation steps:

[0046] a. Mix the modified acrylic resin, amino resin and dispersant into the reaction kettle, stir and react at 185°C for 1.5h, after the reaction, add isopropanol, cool down to 93°C, and rotate at 120r / min Stir the reaction for 0.6h, after the reaction is completed, cool to normal temper...

Embodiment 3

[0057] A heat-resistant coating for electronic equipment, comprising the following raw materials in parts by weight: 24 parts of modified acrylic resin, 19 parts of amino resin, 6 parts of dispersant, 5 parts of isopropanol, 20 parts of toughening fiber, and 16 parts of diatomaceous earth , 14 parts of talcum powder, 7 parts of carbon black, 6 parts of barium sulfate, 5 parts of organic solvent, 11 parts of dodecyl alcohol ester, 5 parts of film forming agent, 9 parts of paraffin wax, 5 parts of antioxidant, 3 parts of binder 5 parts and 5 parts of leveling agent.

[0058] A method for preparing a heat-resistant coating for electronic equipment, comprising the following preparation steps:

[0059] a. Mix the modified acrylic resin, amino resin and dispersant into the reaction kettle, stir and react at 180°C for 1.5h, after the reaction is over, add isopropanol, cool down to 90°C, and rotate at 120r / min Stir the reaction for 0.5h. After the reaction is completed, cool to room ...

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PUM

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Abstract

The invention provides heat-resistant coating for electronic equipment as well as a preparation method thereof. The heat-resistant coating for the electronic equipment is prepared from the following components: modified acrylic acid resin, amino resin, a dispersing agent, toughening fiber, diatomite, talcum powder, carbon black, barium sulfate, an organic solvent, a film-forming agent, paraffin, an antioxidant, an adhesive and a leveling agent. The coating prepared by the method has high heat resistance and waterproofness and also has high glossiness, high anti-static capability, high mechanical property, ageing resistance and wear resistance; furthermore, the coating has the advantages of simple preparation process, short curing time, high coating leveling property, strong adhesive force,good coating appearance and long service life.

Description

technical field [0001] The invention belongs to the technical field of heat-resistant materials, and in particular relates to a heat-resistant coating for electronic equipment and a preparation method thereof. Background technique [0002] Coatings have the characteristics of energy saving and environmental protection, no VOC emissions, high decorativeness, and safe use. In recent years, domestic coating technology has developed rapidly. Paint is a decorative material. With the improvement of people's living standards and the entry of life into the information age, various electronic devices have been integrated into people's lives. Various wireless electronic devices: mobile phones, walkie-talkies, and digital phones emerge in endlessly. With the rapid development of social economy and the improvement of people's living standards, electronic equipment and civil appliances have also put forward higher requirements for the coatings used. In many industrial occasions, electro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/08C09D133/14C09D161/20C09D7/61C09D7/63C09D7/65C09D5/24C09D5/08
CPCC09D133/14C08K2003/2227C08K2003/3045C08L2201/04C08L2201/08C09D5/08C09D5/18C09D5/24C09D7/61C09D7/63C09D7/65C09D133/068C08L61/20C08K13/04C08K7/08C08K7/10C08K3/30C08K3/34C08K3/36C08K3/22
Inventor 齐慧
Owner HEFEI DONGHENGRUI ELECTRONICS TECH CO LTD
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