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Environment-friendly heat conduction coating material as well as preparation method and application thereof

A thermally conductive coating and environmental protection technology, applied in the field of coatings, can solve the problem of no heat dissipation effect, etc., and achieve the effects of improving the use range, fast drying speed and good scratch resistance.

Inactive Publication Date: 2018-12-11
陈春女
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing electronic product shell coatings do not have heat dissipation effect

Method used

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  • Environment-friendly heat conduction coating material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] An environment-friendly heat-conducting coating comprises the following steps: 68 parts of water-based polyurethane, 9 parts of caffeic acid, 11 parts of charantin, 8 parts of potassium tetraborate, and 6 parts of zinc sulfate heptahydrate.

[0022] A preparation method of an environmentally friendly thermally conductive coating, comprising the following steps: (1) preparation of modified water-based polyurethane: mixing caffeic acid and charantin, adding 45 parts of ethanol solution with a mass fraction of 85%, and stirring at 75°C for reaction 6h; the resultant was distilled under reduced pressure to recover ethanol, then cooled to 25°C, then added water-based polyurethane and 200 parts of water, stirred and mixed for 2h, then heated to 75°C and stirred for 20min; (2) Potassium tetraborate and sulfuric acid heptahydrate Mix zinc with 20 parts of water respectively to make potassium tetraborate solution and zinc sulfate heptahydrate solution; (3) mix the modified water-...

Embodiment 2

[0024] An environment-friendly heat-conducting coating comprises the following steps: 84 parts of water-based polyurethane, 4 parts of caffeic acid, 16 parts of charantin, 4 parts of potassium tetraborate, and 12 parts of zinc sulfate heptahydrate.

[0025] A preparation method of an environmentally friendly heat-conductive coating, comprising the following steps: (1) preparation of modified water-based polyurethane: mixing caffeic acid and charantin, adding 60 parts of ethanol solution with a mass fraction of 85%, and stirring at 70°C for reaction 15h; the resultant was distilled under reduced pressure to recover ethanol, then cooled to 20°C, then added water-based polyurethane and 350 parts of water, stirred and mixed for 1h, then heated to 90°C and stirred and mixed for 10min; (2) Potassium tetraborate and sulfuric acid heptahydrate Mix zinc with 40 parts of water evenly to make potassium tetraborate solution and zinc sulfate heptahydrate solution; (3) mix the modified water...

Embodiment 3

[0027] An environment-friendly heat-conducting coating comprises the following steps: 77 parts of water-based polyurethane, 6 parts of caffeic acid, 13 parts of charantin, 6 parts of potassium tetraborate, and 9 parts of zinc sulfate heptahydrate.

[0028] A preparation method of an environmentally friendly heat-conductive coating, comprising the following steps: (1) preparation of modified water-based polyurethane: mixing caffeic acid and charantin, adding 50 parts of ethanol solution with a mass fraction of 85%, and stirring at 72°C for reaction 10 hours; the resultant was distilled under reduced pressure to recover ethanol, then cooled to 22°C, then water-based polyurethane and 280 parts of water were added, stirred and mixed for 1.6 hours, then heated to 82°C and stirred for 17 minutes. (2) Mix potassium tetraborate and zinc sulfate heptahydrate with 32 parts of water respectively to prepare potassium tetraborate solution and zinc sulfate heptahydrate solution. (3) Mix the...

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Abstract

The invention discloses environment-friendly heat conduction coating material as well as a preparation method and application thereof. The environment-friendly heat conduction coating material is prepared from the following raw materials: 68 to 84 parts of waterborne polyurethane, 4 to 9 parts of caffeic acid, 11 to 16 parts of elaterin, 4 to 8 parts of potassium tetraborate and 6 to 12 parts of zinc sulfate heptahydrate. The environment-friendly heat conduction coating material disclosed by the invention is formed by compounding the waterborne polyurethane, the caffeic acid, the elaterin, thepotassium tetraborate and the zinc sulfate heptahydrate, and the raw materials are easy to obtain and are environment-friendly; a prepared product has higher heat conduction coefficient, is good in heat conduction effect, and also has the advantages of high adhesion fastness, fast drying speed, good scratch resistance, high impact strength, long cold-hot alternating period, good salt frog resistance, good heat resistance and the like; the using range of the product is greatly increased, and the product can be particularly and well used for preparing a heat dissipation coating material for a shell of an electronic product; the preparation method of the product is simple and is beneficial for production.

Description

technical field [0001] The invention relates to a coating, in particular to an environmentally friendly heat-conducting coating and a preparation method and application thereof. Background technique [0002] Paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, or oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or water. At present, the paint market is gradually developing in a more environmentally friendly direction. Eco-friendly coatings account for most of the market. [0003] With the development of science and technology, electronic products have entered people's homes. There are a variety of electronic products on the market. After the electronic products are used for a period of time, the shells of the electronic products are obviously hot, so the hea...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D5/08C09D7/61C09D7/63
CPCC09D175/04C08K2003/3045C08K2003/387C09D5/08C09D5/18C09D7/61C09D7/63C08K13/02C08K5/07C08K5/13C08K3/38C08K3/30
Inventor 陈春女
Owner 陈春女
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