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
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[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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