Graphene heat-radiation coating and preparation method thereof
A technology of heat-dissipating coatings and graphene dispersants, applied in the field of coatings, can solve problems such as high toxicity and serious environmental pollution, achieve low price, good bonding performance, and improve the effect of heat dissipation
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Embodiment 1
[0021] First mix 35 g of water-based silicone resin H-900 and 40 g of water, then add 3.3 g of nano-graphene powder (particle size is 100nm), stir for 1 minute, then add graphene dispersant, water-based leveling agent and water-based 0.5 g of each defoaming agent was mixed, placed in a ball mill, and ball milled at 400 r / min for 6 hours to obtain a nano-graphene heat-dissipating coating, and the ground coating was poured out and sealed for use.
Embodiment 2
[0023] First mix 40 g of water-based epoxy resin E44 and 30 g of ethanol, then add 4.5 g of nano-graphene powder (particle size is 100nm), stir for 1 minute and then add graphene dispersant, water-based leveling agent and water-based defoaming agent Mix 1 g of each agent, place in a ball mill, and mill at 400 r / min for 6 hours to obtain a nano-graphene heat-dissipating coating. Pour out the ground coating and seal it up for use.
Embodiment 3
[0025] First mix 50g of water-based polyurethane resin CS1600 and 40g of water together, then add 7g of nano-graphene powder (particle size is 100nm), stir for 1 minute, add 2g of graphene dispersant, 1g of water-based leveling agent and 1g of water-based defoamer Mix evenly, place in a ball mill, and ball mill at 400 r / min for 6 hours to obtain a nano-graphene heat-dissipating coating, pour out the ground coating and seal it for later use.
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