▎ 摘　　要

NOVELTY - Three-dimensional printing consumable material comprises waste rubber, graphene, polylactic acid, potassium tripolyphosphate, polycarbonate, glycerol triglyceride, acrylic stearate, carbon fiber, polyamide fiber, carboxymethyl cellulose, surfactant, crosslinking agent, catalyst, plasticizer, dispersant, tackifier, curing agent, antioxidant, heat stabilizer, anti-aging agent, flame retardant and smoke inhibitor. The surfactant is polyoxyethylene-polyoxypropylene copolymer. The crosslinking agent is crosslinking agent SAC-100. The flame retardant comprises caprylic/capric triglyceride. USE - Three-dimensional printing consumable material (claimed). ADVANTAGE - The three-dimensional printing consumable material has excellent flame retardant property and impact resistance and high toughness. DETAILED DESCRIPTION - Three-dimensional printing consumable material comprises 156-208 pts. wt. waste rubber, 2-4 pts. wt. graphene, 42-60 pts. wt. polylactic acid, 26-35 pts. wt. potassium tripolyphosphate, 25-38 pts. wt. polycarbonate, 22-30 pts. wt. glycerol triglyceride, 16-20 pts. wt. acrylic stearate, 8-14 pts. wt. carbon fiber, 5-8 pts. wt. polyamide fiber, 3-5 pts. wt. carboxymethyl cellulose, 0.8-1.4 pts. wt. surfactant, 0.4-0.8 pt. wt. crosslinking agent, 0.3-0.4 pt. wt. catalyst, 0.5-0.8 pt. wt. plasticizer, 0.3-0.6 pt. wt. dispersant, 0.3-0.5 pt. wt. tackifier, 0.9-1.5 pts. wt. curing agent, 0.3-0.5 pt. wt. antioxidant, 0.2-0.3 pt. wt. heat stabilizer, 0.7-1.3 pts. wt. anti-aging agent, 1.5-2 pts. wt. flame retardant and 0.6-1 pt. wt. smoke inhibitor. The surfactant is polyoxyethylene-polyoxypropylene copolymer. The crosslinking agent is crosslinking agent SAC-100. The flame retardant comprises 72-90 pts. wt. ethylene glycol monoethyl ether acetate, 35-42 pts. wt. caprylic/capric triglyceride, 26-30 pts. wt. nonylphenol polyoxyethylene ether ammonium sulfate, 23-28 pts. wt. polyoxypropylene triol, 17-20 pts. wt. urea, 13-15 pts. wt. aluminum hydroxide, 14-16 pts. wt. antimony trioxide, 10-14 pts. wt. manganese oxide, 13-15 pts. wt. diatomaceous earth and 2-3 pts. wt. penetrating agent. The flame retardant is prepared by adding nonylphenol polyoxyethylene ether ammonium sulfate and water to a microwave reactor, stirring the mixture at 300-500 rpm for 8-12 minutes to obtain a mixture (i), adding ethylene glycol monoethyl ether acetate, caprylic/capric triglyceride, polyoxypropylene triol, urea, aluminum hydroxide, antimony trioxide, manganese oxide, diatomaceous earth and penetrating agent at a speed of 200-400 rpm, a microwave power of 300-350 W and a temperature of 90-95 degrees C for 1.5-2 hours to obtain a mixture (ii), where the penetrating agent is penetrating agent JFC, cooling the mixture (ii) to room temperature, filtering and drying at 4000-5000 rpm until the moisture content is reduced to less than or equal to 1.2% to obtain the flame retardant. The smoke inhibitor comprises 45-60 pts. wt. tributyltin oxide, 22-25 pts. wt. molybdenum hydroxide, 17-22 pts. wt. activated clay, 13-16 pts. wt. aluminum hydroxide, 8-10 pts. wt. ammonium molybdate and 2.2-2.6 pts. wt. stearic acid. The smoke inhibitor is prepared by mixing tributyltin oxide, molybdenum hydroxide, activated clay, aluminum hydroxide, ammonium molybdate and stearic acid under stirring condition at a speed of 300-400 rpm, a microwave power of 160-180 W and a temperature of 112-120 degrees C for 1.5-2 hours to obtain a mixture (iii), cooling the mixture (iii) to room temperature, filtering the precipitate and drying at 4000-5000 rpm until the moisture content is reduced to less than or equal to 1.2% to obtain the smoke inhibitor. An INDEPENDENT CLAIM is included for the method for preparing the three-dimensional printing consumable material, which involves washing the waste rubber, drying until the moisture content is less than or equal to 1%, crushing and sieving by 200-300 mesh sieve to obtain waste rubber powder, adding the surfactant to waste rubber powder, activating the waste rubber powder at a temperature of 75-78 degrees C and a speed of 180-200 rpm for 1-1.5 hours to obtain the activated rubber powder, crushing graphene, sieving by 200-300 mesh sieve to obtain graphene powder, ultrasonically treating the graphene powder at a magnetic field intensity of 6500-7500 GS, an ultrasonic power of 500-600 W, a temperature of 55-58 degrees C and a speed of 200-300 rpm for 40-50 minutes to obtain graphene energy powder, adding graphene energy powder, polylactic acid, potassium tripolyphosphate, polycarbonate, glycerol triglyceride, acrylic stearate, carbon fiber, polyamide fiber, carboxymethyl cellulose, surfactant, crosslinking agent, catalyst, plasticizer, dispersant and tackifier to the activated rubber powder, stirring at a microwave power of 265-272 W, a temperature of 136-142 degrees C and a speed of 200-400 rpm for 3-4 hours under nitrogen protection to obtain a mixture (i), adding curing agent, antioxidant, heat stabilizer, anti-aging agent, flame retardant and smoke inhibitor to the mixture (i), stirring at a temperature of 76-80 degrees C and a speed of 100-200 rpm for 1.5-2 hours to obtain a mixture (ii), placing the mixture (ii) in a screw extruder and extruding the mixture (ii) at a temperature of 192-205 degrees C and a speed of 110-120 rpm to obtain the three-dimensional printing consumable material.