Self-cleaning polytetrafluoroethylene material and preparation method thereof
A polytetrafluoroethylene, self-cleaning technology, applied in the direction of coating, etc., can solve the problems of high inertia of steel fiber and carbon fiber surface, limit the high performance of steel fiber and carbon fiber, affect the mechanical properties of composite materials, etc., and improve the surface wettability and cohesiveness, increasing carbon bonding strength, and improving the effect of interface bonding quality
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[0023] A carbon fiber and steel fiber modified polytetrafluoroethylene material with self-cleaning function is characterized in that it is made from the following raw materials in parts by weight:
[0024] Tetrabutyl titanate 20, absolute ethanol 60, polytetrafluoroethylene 90, carbon fiber 15, steel fiber 5, fluororubber powder 5, glacial acetic acid 4, graphene oxide 1, SiO 2 5. Silane coupling agent KH550 15, 95% ethanol 30, acetic acid amount, polyisocyanate JQ-1 5, dimethylformamide (DMF) 15, 4-dimethylaminopyridine (DMAP) 10, dicyclohexyl carbon di Imine (DCC) 15, 200 parts of water;
[0025] The median length of the carbon fiber is 75-150 μm, the median length of the steel fiber is 50-150 μm, and the particle size of the fluorine rubber powder is 80-200 mesh.
[0026] A kind of preparation method of described carbon fiber, steel fiber modified polytetrafluoroethylene material with self-cleaning function is characterized in that, it is made by the following specific st...
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