▎ 摘　　要

NOVELTY - Preparing graphene material comprises (i) taking graphite, sodium dodecyl sulfate, alkyl diphenylamine, lithium hydroxide, cis-butyl rubber, polyurethane acrylate, polyvinyl chloride, barium hydroxide, citric acid, acetate fiber, glass beads, polyethylene glycol adipate, polycarbonate, phenolsulfonic acid, and antioxidant; (ii) adding the graphite, barium hydroxide and glass beads into a grinder, grinding, sieving, drying, adding sodium dodecyl sulfonate, alkyl diphenylamine, lithium hydroxide and polyurethane acrylate into a thermometer, heating, and stirring; (iii) adding polyvinyl chloride, cellulose acetate, polyethylene glycol adipate and polycarbonate, heating to 80-100 degrees C, and reacting at constant temperature for 50-70 minutes, stirring, adding into a twin-screw extruder, carrying out melt plasticization and granulation, and molding; and (iv) adding the remaining raw materials, mixing, and calcining, allowing to stand and cooling. USE - The method is useful for preparing graphene material. ADVANTAGE - The material has wide source, low cost, high elongation rate, tensile strength of 100-200 MPa, compression permanent deformation property, high energy density, good conductivity, low dosage, high capacity, generates the synergy between each component, and is convenient to use and good heat conductivity. The method is simple. DETAILED DESCRIPTION - Preparing graphene material comprises (i) taking 100 pts. wt. graphite, 3-7 pts. wt. sodium dodecyl sulfate, 1-5 pts. wt. alkyl diphenylamine, 4-8 pts. wt. lithium hydroxide, 10-20 pts. wt. cis-butyl rubber, 15-25 pts. wt. polyurethane acrylate, 1-5 pts. wt. polyvinyl chloride, 15-35 pts. wt. barium hydroxide, 8-16 pts. wt. citric acid, 11-15 pts. wt. acetate fiber, 4-8 pts. wt. glass beads, 8-12 pts. wt. polyethylene glycol adipate, 60-80 pts. wt. polycarbonate, 10-30 pts. wt. phenolsulfonic acid, and 2-6 pts. wt. antioxidant; (ii) adding the graphite, barium hydroxide and glass beads into a grinder, grinding for 40-60 minutes, sieving through 200-400 mesh sieve, drying in an oven for 10-30 minutes, adding sodium dodecyl sulfonate, alkyl diphenylamine, lithium hydroxide and polyurethane acrylate into a thermometer, placing in the reaction vessel of the heating device and the stirring device, heating to 40-60 degrees C, stirring for 40-60 minutes, at 90-110 revolutions/minute; (iii) adding polyvinyl chloride, cellulose acetate, polyethylene glycol adipate and polycarbonate, heating to 80-100 degrees C, and reacting at constant temperature for 50-70 minutes, stirring, adding into a twin-screw extruder, carrying out melt plasticization and granulation, and molding; and (iv) adding the remaining raw materials, mixing at 200-300 degrees C for 70-90 minutes, adding into the tube furnace and calcining under nitrogen protection, allowing to stand and cooling.