▎ 摘　　要

NOVELTY - The flame retardant heat abstractor comprises 2-4 pts. wt. ammonium polyphosphate, 1-2 pts. wt. hydroxystannate, 2-4 pts. wt. tributyl citrate, 0.6-1 pts. wt. aluminum isopropoxide, 12-15 pts. wt. styrene-maleic anhydride copolymer, 6-10 pts. wt. propargyl alcohol, 90-100 pts. wt. tetrahydrofuran, 4-7 pts. wt. graphene, 16-20 pts. wt. nano-silica, 0.2-0.3 pts. wt. silane coupling agent KH 560, 700-800 pts. wt. dimethylformamide, 4-5 pts. wt. sodium azide, 0.04-0.05 pts. wt. aluminum chloride, and 2-3 pts. wt. 1.6-2% sodium ascorbate solution. USE - Flame retardant heat abstractor. ADVANTAGE - The flame retardant heat abstractor is safe and environmental friendly, and improves strength of the substrate. DETAILED DESCRIPTION - The flame retardant heat abstractor comprises 2-4 pts. wt. ammonium polyphosphate, 1-2 pts. wt. hydroxystannate, 2-4 pts. wt. tributyl citrate, 0.6-1 pts. wt. aluminum isopropoxide, 12-15 pts. wt. styrene-maleic anhydride copolymer, 6-10 pts. wt. propargyl alcohol, 90-100 pts. wt. tetrahydrofuran, 4-7 pts. wt. graphene, 16-20 pts. wt. nano-silica, 0.2-0.3 pts. wt. silane coupling agent KH 560, 700-800 pts. wt. dimethylformamide, 4-5 pts. wt. sodium azide, 0.04-0.05 pts. wt. aluminum chloride, 2-3 pts. wt. 1.6-2% sodium ascorbate solution, 2-3 pts. wt. 1.8-2% copper sulfate solution, 120-130 pts. wt. high-density polyethylene, 2-3 pts. wt. carnauba wax, and 1-2 pts. wt. ammonium borate. An INDEPENDENT CLAIM is included for a method for preparing flame retardant heat abstractor, which involves: (A) mixing ammonium polyphosphate and hydroxystannate in water with stirring at 60-70 degrees C; (B) adding aqueous ammonia for adjusting pH at 10-12; (C) adding styrene-maleic anhydride copolymer with stirring for 7-20 minutes to obtain flame retardant copolymer; (D) mixing the flame retardant copolymer with propargyl alcohol and tetrahydrofuran with stirring for 10-16 hours at 50-60 degrees C under reduced pressure to give alkynyl group copolymer; (E) mixing above ammonium metaborate, carnauba wax, 20-30% ethanol solution, and tributyl citrate in water bath with stirring for 20-30 minutes to give ester premix; (F) milling graphene and nano-silica for 30-40 minutes; (G) adding the milled particles in toluene under ultrasonic dispersion by adding silane coupling agent KH560 at 86-90 degrees C for 10-12 hours to give silane nanoparticles; (H) adding the silane nanoparticles, sodium azide, and aluminum trichloride in dimethylformamide under ultrasonic dispersion at 30-35 degrees C for 24- 25 hours to give azide nanoparticles; (I) mixing the formed azide nanoparticles with alkynyl copolymer, and dimethylformamide in nitrogen atmosphere by adding 2-3% sodium ascorbate solution, 2-3% copper sulfate solution at 76-80 degrees C to give grafted nanoparticles; and (J) adding aluminum isopropoxide in deionized water, grafted nanoparticles and ester premix material at 80-90 degrees C for 30-40 minutes to obtain the flame retardant heat abstractor.