▎ 摘　　要

NOVELTY - Preparation of highly wear-resistant graphene material includes weighing graphite, nano-silica, white carbon black, bentonite, tin, ferrous sulfate monohydrate, magnetite, silicon carbide, palladium oxide, tin oxide, carbon black, bisphenol A, cadmium stearate, polybutylene terephthalate, and antioxidant; adding grinder with graphite, silicon carbide and carbon black, grinding, sieving, oven-drying, adding nano-silica, white carbon black, bentonite and ferrous sulfate monohydrate, heating, and stirring; adding magnetite, tin oxide, bisphenol A and cadmium stearate, heating, and extrusion granulating; and adding remaining raw materials, mixing, placing to tube furnace, calcining under nitrogen atmosphere, and cooling. USE - Method for preparation of highly wear-resistant graphene material. ADVANTAGE - The material is easy to use and energy saving, can be accurately prepared, and has flexural modulus of 2400-2800 MPa, low cost, hardness of 160-200H, good wear resistance, elongation at break of up to 600-800%, tensile strength of 200-600 MPa, self-extinguishing function, good compression set, high energy density, good electrical conductivity, bending strength of 180-220 MPa, small residual internal stress, high efficiency, cantilever beam impact strength of 175 195 J/m, good thermal conductivity, and simple process. DETAILED DESCRIPTION - Preparation of highly wear-resistant graphene material comprises: (A) weighing 100 pts. wt. graphite, 3-7 pts. wt. nano-silica, 5-25 pts. wt. white carbon black, 10-30 pts. wt. bentonite, 10-20 pts. wt. tin, 50-70 pts. wt. ferrous sulfate monohydrate, 1-5 pts. wt. magnetite, 10-20 pts. wt. silicon carbide, 8-12 pts. wt. palladium oxide, 3.5-7.5 pts. wt. tin oxide, 10-15 pts. wt. carbon black, 0.5-2.5 pts. wt. bisphenol A, 0.4-0.8 pt. wt. cadmium stearate, 15-35 pts. wt. polybutylene terephthalate, and 2-6 pts. wt. antioxidant; (B) adding grinder with graphite, silicon carbide and carbon black, grinding for 30-70 minutes, sieving through 150-350 mesh sieve, oven-drying for 30-40 minutes, adding nano-silica, white carbon black, bentonite and ferrous sulfate monohydrate, heating to 60-70 degrees C, and stirring at speed of 110-150 revolutions/minute for 30-50 minutes; (C) adding magnetite, tin oxide, bisphenol A and cadmium stearate, heating to 80-100 degrees C for 60-70 minutes, and extrusion granulating through twin-screw extruder at temperatures of 110-120 degrees C, 160-180 degrees C and 240-280 degrees C respectively; and (D) adding remaining raw materials, mixing at 250-350 degrees C for 80-90 minutes, placing to tube furnace, calcining under nitrogen atmosphere, and cooling.