▎ 摘　　要

NOVELTY - Polytetrafluoroethylene material comprises 20-30 pts. wt. tetrabutyl titanate, 60-70 pts. wt. ethanol, 80-90 pts. wt. polytetrafluoroethylene, 10-15 pts. wt. carbon fiber, 5-10 pts. wt. steel fiber, 5-10 pts. wt. fluorine rubber powder, 4-8 pts. wt. glacial acetic acid, 1-3 pts. wt. graphene oxide, 5-10 pts. wt. silicon oxide, 15-20 pts. wt. 50% silane coupling agent KH550, 30-40 pts. wt. 95% ethanol, proper amount of acetic acid, 5-10 pts. wt. polyisocyanate JQ-1, 15-20 pts. wt. dimethyl formamide, 10-15 pts. wt. dimethylaminopyridine and 15-20 pts. wt. dicyclohexyl carbodiimide. USE - Polytetrafluoroethylene material used for cleaning. DETAILED DESCRIPTION - Polytetrafluoroethylene material comprises 20-30 pts. wt. tetrabutyl titanate, 60-70 pts. wt. ethanol, 80-90 pts. wt. polytetrafluoroethylene, 10-15 pts. wt. carbon fiber, 5-10 pts. wt. steel fiber, 5-10 pts. wt. fluorine rubber powder, 4-8 pts. wt. glacial acetic acid, 1-3 pts. wt. graphene oxide, 5-10 pts. wt. silicon oxide, 15-20 pts. wt. 50% silane coupling agent KH550, 30-40 pts. wt. 95% ethanol, proper amount of acetic acid, 5-10 pts. wt. polyisocyanate JQ-1, 15-20 pts. wt. dimethyl formamide, 10-15 pts. wt. dimethylaminopyridine and 15-20 pts. wt. dicyclohexyl carbodiimide. The median length of the carbon fiber is 75-150 microns. The median length of the steel fiber is 50- 150 microns and fluorine rubber powder is 80-200 meshes. An INDEPENDENT CLAIM is included for a method for preparing polytetrafluoroethylene material, which involves: (A) mixing carbon fiber in ethanol solvent; (B) dispersing the obtained mixture ultrasonically; (C) adding acetic acid in the obtained mixture to adjust pH value to 4-5; (D) adding silane coupling agent KH550 in the obtained mixture; (E) stirring the obtained mixture for 8-15 hours; (F) washing the obtained mixture by deionized water; (G) drying the obtained mixture; (H) changing oxidized graphene oxide into graphene by using glow discharge plasma technology; (I) adding dimethyl formamide in the obtained mixture; (J) treating the obtained mixture ultrasonically; (K) adding dicyclohexyl carbodiimide and dimethylaminopyridine in the obtained mixture; (L) reacting the obtained mixture for 18-36 hours; (M) drying the obtained mixture; (N) sintering the obtained mixture at 360-390 degrees C; (O) coating the obtained product; (P) drying the obtained product in an oven at 80-100 degrees C for 10-30 minutes; (Q) sintering the obtained product in a muffle furnace at 120-200 degrees C; (R) coating the obtained product dipped in silicon oxide; (S) adding remaining components in the obtained mixture; (T) refluxing the obtained product at 50-100 degrees C for 6-24 hours; (U) cooling the obtained product; and (V) drying the obtained product at 50-260 degrees C for 1-4 hours.