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High-temperature-resistant heat-conducting paint and preparation method thereof

A heat-conducting coating and high-temperature-resistant technology, applied in the field of coatings, can solve problems such as poor thermal conductivity and temperature rise of the hub, and achieve the effects of good fatigue resistance, high axial strength and modulus, and excellent electrical insulation performance

Inactive Publication Date: 2019-06-04
NINGBO ZHONGYI PETROCHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, during the use of the vehicle, the heat generated by the friction between the brake pads and the brake disc will be transferred to the hub, causing the hub to heat up.
Therefore, people hope that the paint coated on the surface of the wheel hub has good thermal conductivity, but the thermal conductivity of the paint is poor and needs to be improved.

Method used

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  • High-temperature-resistant heat-conducting paint and preparation method thereof
  • High-temperature-resistant heat-conducting paint and preparation method thereof
  • High-temperature-resistant heat-conducting paint and preparation method thereof

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preparation example Construction

[0054] A preparation method of organosilicon modified epoxy resin, comprising the steps of:

[0055] Step 1: Add dimethyldichlorosilane, diphenyldichlorosilane, water, toluene and benzyltriethylammonium chloride successively, the weight ratio of said dimethyldichlorosilane and diphenyldichlorosilane is 1-4:1, the ratio of the amount of dimethyldichlorosilane to water is 1:10-16, and the mass volume ratio of dimethyldichlorosilane to toluene is 0.1g / mL; The ratio of the amount of substance of the dimethyldichlorosilane and benzyltriethylammonium chloride is 1: 0.0025-0.01:

[0056] Step 2: After the addition is complete, let stand to separate the water layer, wash the solvent layer with water, let stand again to separate the water layer, and then titrate to neutrality with 0.1mol / L sodium hydroxide solution;

[0057] Step 3: Distill the toluene under reduced pressure at 60-70°C, under the protection of nitrogen, stir and raise the temperature to 80-85°C, then add n-propanol with...

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Abstract

The invention discloses high-temperature-resistant heat-conducting paint and a preparation method thereof. The high-temperature-resistant heat-conducting paint comprises the following ingredients (byweight): 20-25 parts of organosilicon-modified epoxy resin, 5-10 parts of phosphate, 8-12 parts of carbon fiber, 10-15 parts of a curing agent, 1-2 parts of sodium hexametaphosphate, 0.3-0.5 part of triphenyl phosphate, 0.3-0.5 part of a silane coupling agent, 0.5-1 part of hydroxyethyl cellulose, 2-4 parts of ethylene glycol monobutyl ether, 1-2 parts of a pH regulator, 3-5 parts of aluminium triphosphate, 5-10 parts of mica powder, 5-10 parts of talcum powder, 15-20 parts of copper oxide, 10-15 parts of bismuth oxide, and 90-100 parts of xylene. The invention has the following beneficial effects: the high-temperature-resistant heat-conducting paint has good heat-conducting property, which is beneficial to heat dissipation of wheel hubs.

Description

technical field [0001] The invention relates to coatings, in particular to a high-temperature-resistant and heat-conducting coating and a preparation method thereof. Background technique [0002] In the process of vehicle production, people will coat the surface of the vehicle with paint to prevent the vehicle from being directly exposed to the atmosphere, delay the corrosion of the vehicle, and increase the beauty of the vehicle. The wheel hub is a vital part of the vehicle. While coating the surface of the vehicle, people will also coat the wheel hub to enhance the protection of the wheel hub. [0003] The Chinese patent with the publication number CN106497275A discloses a high-solid-content and low-viscosity motorcycle wheel coating and a preparation method thereof. The paint comprises the following components in mass percentage: 35-55% thermosetting acrylic resin, 5-15% epoxy-modified polyester resin, 10-20% etherified amino resin, 1-3% carbon black powder, 7-9% titan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/61C09D7/63C09D7/45C09D7/20C08G59/14
Inventor 杨仁宗赵秀秀陆旭超曾佳童仁可
Owner NINGBO ZHONGYI PETROCHEM TECH
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