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Water resistance thermal dissipation coating and preparation method thereof

A technology of heat-dissipating coatings and raw materials, applied in the field of coatings, can solve problems such as difficulty in meeting people's requirements for heat dissipation of lamps, poor temperature resistance and aging resistance, and low adhesion of substrates, so as to achieve good hydrophobicity and good adhesion , the effect of strong adhesion

Inactive Publication Date: 2013-10-02
BENGBU TIMES ELECTRONICS
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AI Technical Summary

Problems solved by technology

[0002] With the rapid expansion of the scope of use of lamps, prolonging the service life of lamps has become an urgent problem to be solved; at present, heat-conducting adhesives are used to solve the heat dissipation problem of lamps, but the materials used have poor temperature resistance and aging resistance, and the adhesion to the substrate The technical problems of small force, poor heat dissipation effect and inconvenient construction make it difficult to meet people's requirements for heat dissipation of lamps and lanterns

Method used

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Examples

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Embodiment 1

[0013] Embodiment 1: Waterproof and heat-dissipating coating, the parts by weight (kg) of its raw materials are: E-12 epoxy resin 72, amine curing agent 2.0, ethyl acetate 80, modified nano-titanium dioxide 3.0, dimethyl silicone oil 3.5, Polyethylene wax powder 6.5, phthalic anhydride 6.0, antioxidant DLTP 1.0, sodium tripolyphosphate 2.5, tert-butyl peroxide 1.0, sodium lauryl sulfate 1.2, propylene glycol 27, aluminum nitride 30.

[0014] (1) Preparation of modified nano-titanium dioxide: Mix 20 parts of nano-titanium dioxide and simethicone oil in equal proportions evenly, then add 3.0 parts of sodium tripolyphosphate and 2.5 parts of silane coupling agent KH550, and disperse at high speed to obtain;

[0015] (2) Weigh ethyl acetate, modified nano-titanium dioxide, simethicone, polyethylene wax powder, and phthalic anhydride in parts by weight of the raw materials, mix them, add tert-butyl peroxide, and stir for 2 hours; Then add E-12 epoxy resin, amine curing agent and ot...

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Abstract

The invention discloses a water resistance thermal dissipation coating and a preparation method thereof. The composed raw materials are E-12 epoxy resin, amide curing agent, ethyl acetate, modified nano titanium dioxide, dimethicone, polyethylene wax powder, phthalic anhydride, anti-oxidant DLTP, sodium tripolyphosphate, tert-butyl peroxide, laurinol sodium sulfate, and propylene glycol. The method adopts E-12 epoxy resin as the main material, because the E-12 epoxy resin has the advantages of aging resistance, large adhesivity, good thermal dissipation effect, and can be used under 160 DEG C for a long time. The nano titanium dioxide and the dimethicone are modified, through coupling the silane coupling agent KH 550, complex structures of the nano titanium dioxide and the dimethicone are increases, which is benefit for the dispersion of the titanium dioxide and the hydrophobicity and has an effective waterproof performance. The coating film has the advantages of durability, water resistance, corrosion resistance and good adhesiveness.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a waterproof and heat-dissipating coating and a preparation method thereof. Background technique [0002] With the rapid expansion of the scope of use of lamps, prolonging the service life of lamps has become an urgent problem to be solved; at present, heat-conducting adhesives are used to solve the heat dissipation problem of lamps, but the materials used have poor temperature resistance and aging resistance, and the adhesion to the substrate The technical problems of low power, poor heat dissipation and inconvenient construction make it difficult to meet people's requirements for heat dissipation of lamps. Contents of the invention [0003] The object of the present invention is to provide a waterproof and heat-dissipating coating and a preparation method thereof. [0004] The present invention adopts following technical scheme: [0005] A waterproof and heat-dissi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D183/04C09D7/12
Inventor 朱兴堂朱亮亮陈军彦
Owner BENGBU TIMES ELECTRONICS
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