▎ 摘　　要

NOVELTY - A flame retardant building material comprises 6-8 pts. wt. zirconium oxychloride, 7-9 pts. wt. nickel chloride, 10-14 pts. wt. graphene, 20-30 pts. wt. styrene, 0.1-0.2 pt. wt. dibenzoyl peroxide, 100-110 pts. wt. polystyrene, 0.6-1 pt. wt. ammonium sulfate, 0.1-0.3 pt. wt. calcium naphthenate, 3-4 pts. wt. polyether diol, 0.6-1 pt. wt. 1,2-dimethylimidazole, 3-4 pts. wt. water and zinc borate, 0.3-1 pt. wt. mercaptan butyltin, 1-2 pts. wt. ammonium polyphosphate, 4-7 pts. wt. talc powder and 0.1-0.4 pt. wt. butyrate. USE - Flame retardant building material (claimed). ADVANTAGE - The building material ensures improved flame retardant effect and enhanced safety. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for production method of flame retardant building material, which involves (1) adding ammonium sulfate to deionized water, stirring, adding water and zinc borate and ammonium polyphosphate, heating at 65-70 degrees C for 5-10 minutes and obtaining flame retardant dispersion, (2) mixing 1,2-dimethylimidazole and absolute ethanol, heating at 51-60 degrees C, adding calcium naphthenate, heating for 10-20 minutes, adding 30-40 wt.% styrene, stirring at room temperature and obtaining monomeric alcohol dispersion, (3) mixing graphene oxide and deionized water, ultrasonically reacting for 100-120 minutes, obtaining graphene dispersion, (4) mixing zirconium oxychloride, nickel chloride and talc powder, adding deionized water, stirring evenly, mixing graphene dispersion and flame retardant dispersion, adding into reactor, dripping 10-14% ammonia, adjusting pH to 10-11, increasing the temperature to 190-200 degrees C, heating for 6-7 hours, discharging, filtering, washing and drying at 76-80 degrees C for 20-25 hours, obtaining pre-treated graphene, (5) mixing pretreated graphene and dimethylformamide, ultrasonically reacting for 1-2 hours, obtaining amide dispersion, (6) mixing remaining styrene and dimethylformamide, stirring for 16-20 minutes, adding amide dispersion and monomer alcohol dispersion, stirring evenly, adding dibenzoyl peroxide, heating at 70-75 degrees C for 1-2 hours in the presence of nitrogen, drying at 120-130 degrees C, cooling, obtaining polymer modified graphene, (7) stirring polyether diol at 76-80 degrees C for 17-20 minutes, adding calcium naphthenate, adding thiamine butyltin, polymer modified graphene, stirring at room temperature and obtaining pre-treated polymer modified graphene, (8) mixing pretreated polymer-modified graphene and polystyrene, adding the remaining raw materials, stirring evenly, heating at 180-190 degrees C, heat-preserving for 10-12 minutes, cooling to room temperature, vulcanizing at 190-200 degrees C, under vacuum pressure of 10-15 MPa for 3-4 minutes, cooling and grinding into fine powder.