▎ 摘　　要

NOVELTY - High impact graphene-modified PVC material includes PVC material, graphene, polyether polyol, vinyl tris( beta -methoxyethoxy)silane, ethylene glycol polyester, zinc acrylate resin, modified starch, montmorillonite, silicon oxide, zinc oxide, titanium dioxide, heavy calcium powder, polyvinyl alcohol fiber, polyamide fiber, glass fiber, amide wax, ethylene-ethyl acrylate copolymer, polyvinyl acetate emulsion, dimethyl silicone oil, triethanolamine, surfactant, initiator, crosslinking agent, catalyst, accelerant, flexibilizer, plasticizer, tackifier, dispersant, curing agent and antibacterial agent. USE - High impact graphene-modified PVC material used for hotel, restaurant and architectural decoration. ADVANTAGE - The high impact graphene-modified PVC material has greatly improved mechanical properties, such as mechanical strength, toughness, wear resistance, impact resistance, thermal stability and flame retardant property. DETAILED DESCRIPTION - High impact graphene-modified PVC material comprises 163-208 pts. wt. PVC material, 54-70 pts. wt. graphene, 12-19 pts. wt. polyether polyol, 6-12 pts. wt. vinyl tris( beta -methoxyethoxy)silane, 10-15 pts. wt. ethylene glycol polyester, 7-11 pts. wt. zinc acrylate resin, 9-14 pts. wt. modified starch, 4-8 pts. wt. montmorillonite, 2-5 pts. wt. silicon oxide, 3-6 pts. wt. zinc oxide, 2-4 pts. wt. titanium dioxide, 2-3 pts. wt. heavy calcium powder, 4-6 pts. wt. polyvinyl alcohol fiber, 5-8 pts. wt. polyamide fiber, 3-5 pts. wt. glass fiber, 6-12 pts. wt. amide wax, 2-3 pts. wt. ethylene-ethyl acrylate copolymer, 3-6 pts. wt. polyvinyl acetate emulsion, 4-7 pts. wt. dimethyl silicone oil, 1-2 pts. wt. triethanolamine, 0.4-0.8 pt. wt. surfactant, 0.3-0.6 pt. wt. initiator, 0.3-0.5 pt. wt. crosslinking agent, 0.2-0.3 pt. wt. catalyst, 0.1-0.2 pt. wt. accelerant, 0.3-0.5 pt. wt. flexibilizer, 0.4-0.6 pt. wt. plasticizer, 0.2-0.5 pt. wt. tackifier, 0.3-0.4 pt. wt. dispersant, 0.8-1.2 pts. wt. curing agent, 0.7-1.2 pts. wt. antibacterial agent, 0.3-0.6 pt. wt. antioxidant, 0.2-0.3 pt. wt. light stabilizer, 0.3-0.5 pt. wt. UV absorbing agent, and 1.3-1.6 pts. wt. flame retardant. The modified starch comprises 86-118 pts. wt. cassava starch, 10-14 pts. wt. isoamyl acetate, 8-12 pts. wt. dimethylacetamide, 2-4 pts. wt. epichlorohydrin, 1.8-3.2 pts. wt. carbamide, 1-2 pts. wt. potassium hydroxide, 0.4-0.7 pt. wt. 2,5-dimethyl-2,5-bis(benzoylperoxy)hexane, 0.1-0.2 pt. wt. platinum catalyst, 0.2-0.3 pt. wt. organic tin stabilizer, 0.4-0.6 pt. wt. polyoxyethylene polyoxypropylene pentaerythritol ether, 0.3-0.5 pt. wt. propyltrimethoxysilane and 0.2-0.4 pt. wt. boric acid. The surfactant is TRITON CF-10 (RTM: nonionic surfactant). The initiator is benzoyl peroxide. The crosslinking agent is methacrylamide. The catalyst is tris(dimethylaminopropyl)hexahydrotriazine. The accelerant is colorless cobalt. The plasticizer is tricaprylyl citrate. The toughening agent is polypropylene rubber. The dispersant is dispersant NC. The flame retardant comprises 45-62 pts. wt. tributoxyethyl phosphate, 18-32 pts. wt. tris(2,4-di-tert-butylphenyl)phosphite, 15-22 pts. wt. ammonium polyphosphate, 10-18 pts. wt. pentaerythritol, 9-14 pts. wt. urea, 6-10 pts. wt. aluminum hydroxide, 8-12 pts. wt. antimonous oxide, 4-8 pts. wt. manganese oxide, 6-12 pts. wt. active carclazyte, 1.2-1.5 pts. wt. penetrating agent and 0.6-0.9 pts. wt. potentiating agent. The high impact graphene-modified PVC material is prepared by crushing graphene, sieving by 300-500-mesh sieve to obtain graphene powder, putting in magnetic field strength of 5800-6200 gauss, ultrasonically processing at 300-500 W, 40-50 degrees C and 200-300 revolutions/minute (rpm), stirring for 20-35 minutes to obtain graphene energy powder, adding surfactant, activating at 56-72 degrees C and 100-130 rpm for 1-1.5 hours to obtain activated graphene energy powder, under nitrogen protection, adding PVC material, polyether polyol, vinyl tris( beta -methoxyethoxy)silane, ethylene glycol polyester, zinc acrylate resin, montmorillonite, silicon oxide, zinc oxide, titanium dioxide, heavy calcium powder, polyvinyl alcohol fiber, polyamide fiber, glass fiber, amide wax, ethylene-ethyl acrylate copolymer, polyvinyl acetate emulsion, dimethyl silicone oil, triethanolamine, surfactant, initiator, crosslinking agent, catalyst, accelerant, flexibilizer, plasticizer, tackifier and dispersant, microwave processing at 189-262 W, 125-133 degrees C and 300-500 rpm for 2.3-3.4 hours to obtain mixture A, adding modified starch, curing agent, antibacterial agent, antioxidant, light stabilizer, UV absorbing agent and flame retardant, stirring at 72-76 degrees C and 100-200 rpm for 1-1.5 hours to obtain mixture B, adding mixture B into double screw-type extrusion granulator and granulating at 142-148 degrees C to obtain the product. The modified starch is prepared by preparing cassava starch slurry I having a concentration is 18-26 Baume and pH of 3.4-3.8, adding 5-8% isoamyl acetate, dimethylacetamide, 2,5-dimethyl-2,5-bis(benzoylperoxy)hexane and platinum catalyst, stirring at 52-56 degrees C and 90-130 rpm, conducting crosslinking and grafting reaction for 2.4-3 hours to obtain slurry II, adding pasting agent, adjusting the pH at 9.5-9.8, adding epichlorohydrin, urea, propyltrimethoxysilane and boric acid, stirring at 61-65 degrees C and 100-160 rpm, conducting crosslinking reaction for 1.2-1.6 hours to obtain slurry III, adding organic tin stabilizer, adjusting the pH at 8.8-9.1, raising the temperature to 76-79 degrees C, pasting for 42-50 minutes, reducing the temperature to 35-38 degrees C, pasting, adding polyoxyethylene polyoxypropylene pentaerythritol ether, stirring at 80-100 rpm for 12-14 minutes and obtaining the modified starch. The flame retardant is prepared by mixing ammonium polyphosphate and 200-265 pts. wt. water in a microwave reactor, stirring at 400-600 rpm for 5-9 minutes to obtain mixture A, adding tributoxyethyl phosphate, tris(2,4-di-tert-butylphenyl)phosphite, pentaerythritol, urea, aluminum hydroxide, antimony trioxide, manganese oxide, active carclazyte, penetrating agent and potentiating agent, stirring at 300-500 rpm, microwave power of 160-200 W, and temperature of 84-92 degrees C for 1.8-2.5 hours to obtain mixture B, cooling to room temperature, filtering the precipitates, centrifugally drying at 3000-5000 rpm to water content of less than 3.2% and obtaining the flame retardant.