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Inorganic high-temperature resistant and antistatic coating

An inorganic high temperature resistant and antistatic technology, applied in the direction of coating, etc., can solve problems such as peeling, strength reduction, and inability to effectively protect high-speed aircraft

Inactive Publication Date: 2010-06-30
中昊北方涂料工业研究设计院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional organic coatings deteriorate at high temperatures, reduce their strength, and peel off, which cannot effectively protect high-speed aircraft

Method used

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  • Inorganic high-temperature resistant and antistatic coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] First add 140.0g of phosphoric acid (85%) and 35.0g of aluminum hydroxide in the reaction flask, heat up and reflux for 2 hours, then add 12.0g of boric acid, continue to reflux for 1 hour and then cool down, add 100.0g of deionized water after the temperature of the system is less than 60°C , to make the base material.

[0018] Dissolve 10.0g of titanate coupling agent in 450.0g of 95% ethanol, mix with 65.0g of conductive mica powder and 35.0g of aluminum-doped zinc oxide powder and stir evenly, and place it in an environment of 60±2°C for 4 hours. Ethanol and water are then distilled off under reduced pressure to prepare a mixture of conductive mica powder and aluminum-doped zinc oxide powder.

[0019] Take 35.0 g of a mixture of 100.0 g of base material, 100.0 g of silica sol (45%), treated conductive mica powder, and aluminum-doped zinc oxide powder to prepare a coating.

[0020] Test the related properties of coating and film formation: surface resistance 9.8×10 ...

Embodiment 2

[0022] First add 140.0g of phosphoric acid (85%) and 35.0g of aluminum hydroxide in the reaction flask, heat up and reflux for 2 hours, then add 12.0g of boric acid, continue to reflux for 1 hour and then cool down, add 100.0g of deionized water after the temperature of the system is less than 60°C , to make the base material.

[0023] Dissolve 10.0g of titanate coupling agent in 450.0g of 95% ethanol, mix with 65.0g of conductive mica powder and 35.0g of aluminum-doped zinc oxide powder and stir evenly, and place it in an environment of 60±2°C for 4 hours. Ethanol and water are then distilled off under reduced pressure to prepare a mixture of conductive mica powder and aluminum-doped zinc oxide powder.

[0024] Take 35.0 g of a mixture of 100.0 g of base material, 70.0 g of silica sol (45%), treated conductive mica powder, and aluminum-doped zinc oxide powder to prepare a coating.

[0025] Test the related properties of coating and film formation: surface resistance 5.9×10 ...

Embodiment 3

[0027] First add 140.0g of phosphoric acid (85%) and 42.0g of aluminum hydroxide to the reaction flask, heat up and reflux for 2 hours, then add 12.0g of boric acid, continue to reflux for 1 hour and then cool down. Add 100.0g of deionized water after the temperature of the system is less than 60°C , to make the base material.

[0028] Dissolve 10.0g of titanate coupling agent in 450.0g of 95% ethanol, mix with 65.0g of conductive mica powder and 35.0g of aluminum-doped zinc oxide powder and stir evenly, and place it in an environment of 60±2°C for 4 hours. Ethanol and water are then distilled off under reduced pressure to prepare a mixture of conductive mica powder and aluminum-doped zinc oxide powder.

[0029] Take 35.0 g of a mixture of 100.0 g of base material, 90.0 g of silica sol (45%), treated conductive mica powder, and aluminum-doped zinc oxide powder to prepare a coating.

[0030] Test the related properties of coating and film formation: surface resistance 8.2×10 ...

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Abstract

The present invention discloses an inorganic high-temperature resistant and antistatic coating. The coating is mainly prepared from constituents of the following contents (percentages by weight): 30 to 60% of phosphate, 5 to 25% of silicasol, 2 to 10% of boric acid, 25 to 45% of water, 2 to 5% of titanate coupling agent, 8 to 18% of conductive mica powder and 5 to 10% of aluminium powder mixed with zinc oxide. Dihydric phosphate water solution is prepared from the following substances at least, and the phosphate consists of one or several of aluminium dihydrogen phosphate, aluminium hydrogen phosphate, magnesium dihydrogen phosphate, magnesium hydrogen phosphate, zinc dihydrogen phosphate and zinc hydrogen phosphate. The ratio of P to M (M refers to metal elements) in the phosphate is from 1.2 to 2.6. The conductive mica powder and the aluminium powder mixed with zinc oxide are processed by the titanate coupling agent before being added to a base material.

Description

technical field [0001] The invention relates to an inorganic high temperature resistant and antistatic coating. It mainly provides certain antistatic properties for materials used in high temperature environments. Background technique [0002] A high-speed aircraft flies in the air at high speed and friction with the air generates a lot of heat, and at the same time, a large amount of static electricity is generated on the surface of the material. If it is not eliminated in time, the discharge will cause great harm. Traditional organic coatings deteriorate at high temperatures, reduce their strength, and peel off, which cannot effectively protect high-speed aircraft. The present invention is to develop an inorganic high-temperature-resistant antistatic coating to solve this problem. Contents of the invention [0003] The purpose of the present invention is to provide a new type of inorganic high temperature resistant antistatic coating for the antistatic properties of ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/00
Inventor 王志强胥卫奇王国志刘文兴李洁
Owner 中昊北方涂料工业研究设计院有限公司
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