▎ 摘　　要

NOVELTY - Printing consumable containing graphene comprises 130 pts. wt. banana stalks, 32 pts. wt. kaolin, 70 pts. wt. polylactic acid, 30 pts. wt. potassium tripolyphosphate, 1.6 pts. wt. graphene, 8 pts. wt. fatty alcohol polyoxyethylene ether sulfate, 0.7 pts. wt. triethanolamine soap, 6.5 pts. wt. first complexing agent and 5 pts. wt. second complexing agent. The first complexing agent comprises e.g. 2.5 pts. wt. glycidyl methacrylate, 5.4 pts. wt. modified polyacrylate, 3.2 pts. wt. di (2-ethylhexyl) phthalate, 5.3 pts. wt. polyaluminum chloride, and 04.5 pts. wt. coupling agent kh-55. USE - The printing consumable containing graphene is useful for 3d printing. ADVANTAGE - The printing consumable containing graphene: has high tensile strength and elongation at break. DETAILED DESCRIPTION - Printing consumable containing graphene comprises 130 pts. wt. banana stalks, 32 pts. wt. kaolin, 70 pts. wt. polylactic acid, 30 pts. wt. potassium tripolyphosphate, 1.6 pts. wt. graphene, 8 pts. wt. fatty alcohol polyoxyethylene ether sulfate, 0.7 pts. wt. triethanolamine soap, 6.5 pts. wt. first complexing agent and 5 pts. wt. second complexing agent. The first complexing agent comprises 2.5 pts. wt. glycidyl methacrylate, 5.4 pts. wt. modified polyacrylate, 3.2 pts. wt. di (2-ethylhexyl) phthalate, 3 pts. wt. antioxidant 1076, 5.3 pts. wt. polyaluminum chloride, 4 pts. wt. ACR foam regulator, 3 pts. wt. aerosol generating agent and 04.5 pts. wt. coupling agent kh-55. The second complexing agent comprises 165 pts. wt. tapioca starch, 20 pts. wt. dimethyl phosphite, 8 pts. wt. N-ethyl-5-methyl-2-(1-methylethyl) cyclohexanecarboxamide, 9 pts. wt. epibromohydrin, 2.5 pts. wt. carbamide, 2.5 pts. wt. potassium hydroxide, 0.8 part of aluminum-titanium composite coupling agent, 0.2 pts. wt. azobisisobutyric acid (ethylene glycol) acrylate, 0.4 pts. wt. vanadium pentoxide, 0.5 pts. wt. stearic acid file, 0.6 pts. wt. polydimethylsiloxane, 1 pts. wt. dibutyl phthalate, 0.9 pts. wt. methyl methacrylate-butadiene-styrene terpolymer, 0.7 pts. wt. modified rosin resin, 0.6 pts. wt. boric acid and 0.3 pts. wt. ammonium dihydrogen phosphate. An INDEPENDENT CLAIM is also included for preparing the printing consumable containing graphene, comprising (i) crushing banana stalk, sieving through 300 meshes sieve to obtain powder, drying the powder at 103 degrees C for 2.8 hours, controlling of water content at 0.9% to obtain banana stalk powder, (ii) taking kaolin with pH of 10.8 and moisture content is 2.8%, grinding through 300 meshes sieve to obtain kaolin powder, using fatty alcohol polyoxyethylene ether sulfate modified to obtain modified kaolin, (iii) taking graphene in the magnetic field strength of 5800GS, ultrasonic power is 420 W, the temperature at 48 degrees C, speed is 300 rpm, stirring for 28 minutes to obtain graphene, (iv) adding triethanolamine soap into the energy graphene obtained in the step (iii) for modifying, activating at temperature of 64 degrees C and rotation speed of 120 rpm for 1.2 hours to obtain activated graphene energy powder, (v) taking banana stalk powder obtained in step (i) and obtained modified kaolin obtained in the step (ii), activated graphene energy powder obtained in the step (iv), polylactic acid, potassium tripolyphosphate and first complexing agent , raising the temperature at 200 degrees C, stirring the mixture at 300 rpm for 4.3 hours and cooling to room temperature to obtain 3D printed primary material, the first complexing agent is prepared by (v.i) taking aerosol generating agent, coupling agent kh-550, glycidyl methacrylate, modified polyacrylate, antioxidant 1076, mixing, heating at 1125 degrees C at speed of 200 rpm, reacting for 75 minutes to obtain material A, (v.ii) taking ACR foam regulator, adding into the material A obtained in the step (v.i), polyaluminum chloride, mixing and heating at 150 degrees C at speed of 400 rpm for 195 minutes to obtain material B, (v.iii) taking the material B obtained in the step (v.ii), mixing with di (2-ethylhexyl) phthalate and cooling at 115 degrees C, reacting at speed of 300 rpm for 103 minutes to obtain first complex agent, (vi) taking 3D printed primary material obtained in the step (v), pulverizing at -100 degrees C, adding second complex agent, mixing, taking mixed mixture into a screw extruder, at temperature of 185 degrees C, speed is 108 rpm, extruding strip to obtain graphene printing supplies, the second complexing agent is prepared by (vi.i) preparing tapioca starch slurry with concentration of 25 Be and pH value of 3.5, (vi.ii) taking starch slurry obtained in the step (vi.i), adding with dimethyl phosphite at concentration of 6.5%, taking ethyl-5-methyl-2-(1-methylethyl) cyclohexanecarboxamide, aluminum titanium composite coupling agent, vanadium pentoxide, stirring at 50 degrees C with speed of 100 rpm, crosslinking grafting reacting for 3.2 hours to obtain slurry b, (vi.iii) adding potassium hydroxide into the slurry b obtained in the step (vi.ii), adjusting the pH to 9.5, adding epibromohydrin, carbodiimide, azobisisobutyric acid (ethylene glycol) acrylate, dibutyl phthalate, methyl methacrylate-butadiene-styrene terpolymer, modified rosin resin, boric acid and ammonium dihydrogen phosphate, stirring at 58 degrees C at speed of 100 rpm, crosslinking reacting for 2.1 hours to obtain slurry c, (vi.iv) taking slurry c obtained in the step (vi.iii), adding stearic acid file to adjust the pH value of 8.7, heating at 75 degrees C, pasting for 52 minutes, cooling at 28 degrees C, adding dimethyl silicone polymer, stirring for 11 minutes at rotating speed of 110 rpm to obtain second complexing agent.