▎ 摘　　要

NOVELTY - Modified polyvinyl chloride material comprises 160-210 pts. wt. polyvinyl chloride material, 52-72 pts. wt. graphene, 12-18 pts. wt. polyether glycol, 6-10 pts. wt. vinyl tri (beta-methoxyethoxy) silane, 8-12 pts. wt. polycarbonate, 7-11 pts. wt. polybutylene terephthalate resin, 9-14 pts. wt. modified starch, 4-8 pts. wt. kaolin, 2-5 pts. wt. calcium hydroxide, 3-6 pts. wt. zinc oxide, 2-4 pts. wt. titanium dioxide, 2-3 pts. wt. mica powder, 4-6 pts. wt. carbon fiber, 5-8 pts. wt. polyamide fiber, 3-5 pts. wt. glass fiber. USE - The product is useful in hotel, restaurant, building and decoration. ADVANTAGE - The product has good mechanical strength, toughness, wear resistance, impact resistance, thermal stability and flame resistance. DETAILED DESCRIPTION - Modified polyvinyl chloride material comprises 160-210 pts. wt. polyvinyl chloride material, 52-72 pts. wt. graphene, 12-18 pts. wt. polyether glycol, 6-10 pts. wt. vinyl tri (beta-methoxyethoxy) silane, 8-12 pts. wt. polycarbonate, 7-11 pts. wt. polybutylene terephthalate resin, 9-14 pts. wt. modified starch, 4-8 pts. wt. kaolin, 2-5 pts. wt. calcium hydroxide, 3-6 pts. wt. zinc oxide, 2-4 pts. wt. titanium dioxide, 2-3 pts. wt. mica powder, 4-6 pts. wt. carbon fiber, 5-8 pts. wt. polyamide fiber, 3-5 pts. wt. glass fiber, 6-12 pts. wt. polyethylene 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 pts. wt. surfactant, 0.3-0.6 pts. wt. initiator, 0.3-0.5 pts. wt. crosslinking agent, 0.2-0.3 pts. wt. catalyst, 0.1-0.2 pts. wt. accelerant, 0.3-0.5 pts. wt. flexibilizer, 0.4-0.6 pts. wt. plasticizer, 0.2-0.5 pts. wt. tackifier, 0.3-0.4 pts. wt. dispersant, 0.8-1.2 pts. wt. curing agent, 0.7-1.2 pts. wt. antibacterial agent, 0.3-0.6 pts. wt. antioxidant, 0.2-0.3 pts. wt. light stabilizer, 0.3-0.5 pts. wt. ultraviolet absorbing agent, 1.3-1.6 pts. wt. flame retardant, the modified starch includes 86-118 pts. wt. Cassava starch, 10-14 pts. wt. isoamyl acetate, 8-12 pts. wt. dimethyl acetamide, 2-4 pts. wt. epichlorohydrin, 1.8-3.2 pts. wt. carbamide, 1-2 pts. wt. potassium hydroxide, 0.4-0.7 pts. wt. 2, 5-dimethyl bis (benzoyl peroxy) hexane, 0.1-0.2 pts. wt. platinum catalyst, 0.2-0.3 pts. wt. organic tin stabilizer, 0.4-0.6 pts. wt. polyoxyethylene polyoxypropylene ether, 0.3-0.5 pts. wt. pentaerythritol, 0.2-0.4 pts. wt. boric acid, propyl trimethoxy silane, the surfactant is triton cf-10, the initiator is benzoyl peroxide, the crosslinking agent is methyl, the catalyst is tris (dimethylaminopropyl) hexahydrotriazine, the accelerant is cobalt colorless, the plasticizer is tricaprylyl citrate, the toughening agent is poly propylene rubber, the dispersant is dispersant NC, the flame retardant includes 45-62 pts. wt. tertiary butoxy ethyl phosphate, 18-32 pts. wt. tri (2 4 butyl phenyl) phosphite ester, 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, 0.6-0.9 pts. wt. potentiating agent, the preparation method of graphene modified PVC material includes (i) crushing the graphene over by 300-500 sieve to obtain the powder, the powder obtained in the magnetic field intensity is 5800- 6200 GS, the ultrasonic power is 300-500 W, temperature is at 40-50 degrees C, rotating speed is 200-300 rotations/minute, stirring for 20-35 minutes to obtain graphene energy powder, (ii) adding surfactant into the graphene energy powder prepared in (i), the temperature is 56-72 degrees C, the speed is 100-130 rotations/minute, activating at 1-1.5 hours to obtain graphene energy powder, (iii) under nitrogen protection, adding into the polyvinyl chloride material, polyether polyols, vinyl tri (beta-methoxyethoxy) silane, polycarbonate, polybutylene terephthalate resin, kaolin, calcium hydroxide, zinc oxide, titanium dioxide, mica powder, carbon fiber, polyamide fiber, glass fiber, polyethylene wax, ethylene-ethyl acrylate copolymer, polyvinyl acetate emulsion, dimethyl silicone oil, trolamine, initiator, crosslinking agent, catalyst, accelerator, plasticizer, flexibilizer, dispersant, tackifier, the microwave power is 180- 250 W, temperature is at 125-136 degrees C, the rotating speed is 300-500 rotations/minute for 2-4 hours to obtain the mixture I, (iv) adding modified starch mixture I obtained in (iii), adding curing agent, antibacterial agent, antioxidant, light stabilizer, ultraviolet absorber, flame retardant, temperature is at 68-73 degrees C, stirring at speed is 100-200 rotations/minute for 1-1.5 hours to obtain mixture II, the preparation method of the modified starch comprises (a) preparing 18-26 Be, pH of 3.4-3.8 Cassava starch slurry I, (b) adding 5-8% isoamyl acetate, dimethyl acetamide, 2,5-dimethyl-2,5-di (benzoyl peroxy) hexane, platinum catalyst, temperature is at 52-56 degrees C, stirring speed is 90-130 rotations/minute, cross linking and grafting for 2.4-3 hours, preparing the slurry II, (iii) adding pasting agent, adjusting pH to 9.5-9.8, adding epoxy chloropropane, urea, propyl trimethoxy silane, boric acid, and heating at 61-65 degrees C, stirring speed is 100-160 rotations/minute, crosslinking for 1.2-1.6 hours to obtain slurry III, (d) adding organic tin stabilizing agent, adjusting the pH to 8.8-9.1, heating at 76-79 degrees C for 42-50 minutes, reducing at 35-38 degrees C, adding polyoxyethylene polyoxypropylene pentaerythritol ether, stirring at rotating speed of 80-100 rotations/minute for 12-14 minutes to obtain modified starch, the preparation method of the flame retardant comprises (a) mixing the ammonium polyphosphate, 200-265 pts. wt. water into the microwave reactor, the stirring speed is 400- 600 rotations/minute, stirring for 5-9 minutes to obtain mixture A, (b) adding tertiary butoxy ethyl phosphate, tri (2,4butyl phenyl) phosphite ester, pentaerythritol, urea, aluminum hydroxide, antimony trioxide, manganese oxide, active floridine, penetrating agent, synergistic agent, stirring at speed of 300-500 rotations/minute, microwave power is 160-200 W, the temperature is 84-92 degrees C, stirring for 1.8-2.5 hours to obtain mixture B, (c) cooling to room temperature, filtering the precipitate, the rotating speed is 3000-5000 rotations/minute, drying to water content less than or equal to 3.2% to obtain the flame retardant, (v) adding into the double screw-type extrusion granulator, granulating at 142-148 degrees C to obtain the product.