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A kind of water-based composite coating material and its preparation method and application

A composite coating, water-based technology, used in coatings, anti-corrosion coatings, fire-retardant coatings, etc., can solve problems such as the inability to fully utilize the characteristics of silicone, potential safety hazards, VOC emissions, etc., achieve good sealing, convenient construction, and improve adhesion. focus effect

Active Publication Date: 2021-10-26
SHENZHEN ANPIN SILICONE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] On the protective materials of important parts such as motor coils, igniters, battery wire sheaths, and spark plug sheaths in new energy vehicles, the silicone materials currently used are basically solvent-based, which have high VOC emissions and require high temperature. It is easy to spontaneously combust due to curing, that is, it is not environmentally friendly and has potential safety hazards. However, protective materials obtained by silicone-modified polyurethane, acrylic, alkyd resin, etc. have low silicon content and cannot fully utilize the characteristics of silicone. subject to many limitations in application

Method used

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  • A kind of water-based composite coating material and its preparation method and application
  • A kind of water-based composite coating material and its preparation method and application
  • A kind of water-based composite coating material and its preparation method and application

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Experimental program
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Effect test

Embodiment 1

[0055] The preparation method of composite functional material is as follows:

[0056] A. Add 12g of aluminum isopropoxide, 87g of deionized water, and 1.5g of hydrochloric acid (37% in mass fraction) into the reactor, and heat up to 75°C while stirring. After the reactants are completely dissolved, keep the temperature at 75°C for 4 hours. , transfer the reaction product into a rotary evaporator, heat up to 85° C. and rotary evaporate to remove isopropanol and water to obtain a crystalline material, cool down to room temperature, dissolve the crystalline material with an aqueous solution of hydrochloric acid at PH=1, and obtain a crystalline material with a solid content of 15%. Aluminum sol solution;

[0057] B. Under the condition of nitrogen protection, put 100g of hydroxy silicone oil (the number average molecular weight is 340, and the hydroxyl content is 10%), 0.1g of stannous octoate, and 100g of absolute ethanol into the stainless steel reaction kettle, stir and mix a...

Embodiment 2

[0059] The preparation method of composite functional material is as follows:

[0060] A. Weigh 18g of aluminum sec-butoxide, 96g of deionized water, and 1g of hydrochloric acid (37% by mass) into the reactor, and heat up to 80°C while stirring. After the reactants are completely dissolved, react at a constant temperature of 80°C for 5h , transfer the reaction product into a rotary evaporator, raise the temperature to 90°C, and completely evaporate the sec-butanol and water to a crystal state to obtain a crystalline material, lower it to room temperature, dissolve the crystalline material with a hydrochloric acid aqueous solution of PH=2, and prepare Obtaining an aluminum sol solution with a solid content of 25%;

[0061] B. Under the condition of nitrogen protection, put 100g of hydroxy silicone oil (the number average molecular weight is 566, and the hydroxyl content is 6.8%), 0.05g of stannous oleate, and 100g of absolute ethanol into the stainless steel reaction kettle, st...

Embodiment 3

[0063] The preparation method of composite functional material is as follows:

[0064] A. Add 12g of aluminum isopropoxide, 87g of deionized water, and 1.5g of hydrochloric acid (37% in mass fraction) into the reactor, and heat up to 75°C while stirring. After the reactants are completely dissolved, keep the temperature at 75°C for 4 hours. , transfer the reaction product into a rotary evaporator, heat up to 85°C and rotary evaporate to remove isopropanol and water to obtain a crystalline material, cool down to room temperature, dissolve the crystalline material with an aqueous hydrochloric acid solution with pH=1, and obtain a crystalline material with a solid content of 20%. Aluminum sol solution;

[0065] B, under the condition of nitrogen protection, 100g hydroxy silicone oil (number average molecular weight 883, hydroxyl content 5.6%), 0.1g stannous octoate, 100g absolute ethanol are dropped into stainless steel reaction kettle, stirred and mixed at room temperature for 2...

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Abstract

The invention discloses a water-based composite coating material and its preparation method and application. The coating material is prepared from silicone rubber, silane monomer, acrylic acid monomer and special composite functional materials, does not contain toxic organic solvents, and is environmentally friendly , and non-spontaneous combustion, convenient construction, superior comprehensive performance, can be used for a long time at ‑40 ° C ~ 250 ° C, and its physical properties will not change.

Description

technical field [0001] The invention relates to a water-based environment-friendly composite coating material, especially a water-based composite coating material for insulation, high and low temperature resistance, and corrosion resistance for the protection of important parts such as new energy vehicles such as motor coils, igniters, battery wire sheaths, and spark plug sheaths. Coating materials, methods of preparation and applications thereof. [0002] technical background [0003] The average amount of silicone materials used in automobiles is about 3.2 kg / car. my country's automobile sales will reach 33 million in 2020, of which 2.1 million are new energy vehicles. By 2020, the domestic market alone will reach more than 10 billion yuan, of which The new energy vehicle market is more than 1 billion yuan, and the prospect is very promising. At present, the water-based silicone material technology is monopolized by foreign companies, and there is no water-based silicone ma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/08C09D7/20C09D5/25C09D5/08C09D5/18C09D7/61C09D7/65C08F283/12C08F220/14C08F220/18
CPCC08F283/124C08K2003/2227C08L2201/02C08L2201/08C09D5/00C09D5/08C09D5/18C09D151/08C09D7/20C09D7/61C09D7/65C08F220/14C08L83/06C08K3/22
Inventor 唐建振吴光飞余栋才彭派潜陈巧站
Owner SHENZHEN ANPIN SILICONE MATERIAL
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