Graphene heat-dissipation coating and preparation method thereof
A technology of heat dissipation coating and graphene, applied in the field of coatings, can solve the problems of reducing the protection effect of the substrate, reducing the stability and strength of the coating film, poor compatibility with the polymer matrix, etc., so as to improve the heat dissipation effect and improve the uniform stability strength. , the effect of improving stability
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Embodiment 1
[0023] Embodiment 1 A kind of graphene heat-dissipating coating, it is made up of the raw material of following weight part:
[0024] Graphene oxide 15, high-density polypropylene 120, organic porous filler 10, triethanolamine 1, aluminum nitride 3, β-hydroxyalkylamide 0.5, butyl tin mercaptide 0.1, sp-80 0.4, polybenzimidazole 0.1 , Zinc ricinoleate 0.7.
[0025] Described organic porous filler is made up of the raw material of following weight part:
[0026] Diatomaceous earth 10, sodium dodecylbenzene sulfonate 1, aluminum dihydrogen phosphate 2, pyromellitic dianhydride 10, ammonium persulfate 0.4, trichloroisocyanuric acid 1.
[0027] The preparation method of described organic porous filler comprises the following steps:
[0028] (1) Take diatomite, calcinate at 700°C for 1 hour, cool to room temperature, grind into fine powder, mix with sodium dodecylbenzenesulfonate, add to deionized water twice the weight of the mixture, Keep stirring at ℃ for 10 minutes, add alumi...
Embodiment 2
[0038] Embodiment 2 A kind of graphene heat-dissipating coating, it is made up of the raw material of following weight part:
[0039] Graphene oxide 20, high-density polypropylene 131, organic porous filler 13, triethanolamine 2, aluminum nitride 4, β-hydroxyalkylamide 1, butyl tin mercaptide 0.2, sp-80 1, polybenzimidazole 0.2 1. Zinc ricinoleate.
[0040] Described organic porous filler is made up of the raw material of following weight part:
[0041] Diatomaceous earth 15, sodium dodecylbenzene sulfonate 2, aluminum dihydrogen phosphate 4, pyromellitic dianhydride 15, ammonium persulfate 0.6, trichloroisocyanuric acid 2.
[0042] The preparation method of described organic porous filler comprises the following steps:
[0043] (1) Take diatomaceous earth, calcinate at 800°C for 2 hours, cool to room temperature, grind into fine powder, mix with sodium dodecylbenzenesulfonate, add to deionized water that is 3 times the weight of the mixture, and heat at 60 Keep stirring at...
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