▎ 摘　　要

NOVELTY - Coating comprises 20-30 pts. wt. graphene, 6-11 pts. wt. propylene glycol alginate, 0.01-0.02 pts. wt. chloroplatinic acid, 600- 700 pts. wt. 4,4'-diphenylmethane diisocyanate, 340-370 pts. wt. 2-perfluoroalkyl ethanol, 450-490 pts. wt. polytetrahydrofuran ether glycol, 1-2 pts. wt. 1,4-butanediol, 2-3 pts. wt. diphenylsilanediol, 1-2 pts. wt. ammonium borate, 1.3-2 pts. wt. 4-vinyl-1-cyclohexene 1,2-epoxide, 90-100 pts. wt. nano silica, 16-20 pts. wt. hydrogen silicone oil, 1-2 pts. wt. zinc hydroxy stannate, 2-3 pts. wt. methanol, 1-2 pts. wt. dodecyl mercaptan and 4-7 pts. wt. raw lime. USE - The coating is useful for dispersing metal (claimed). ADVANTAGE - The coating has good stability and good surface strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing coating comprising (i) uniformly mixing 4-vinyl-1-cyclohexene 1,2-epoxide with toulene (2-3 times), adding chloroplatinic acid, heating to 40-45 degrees C, adding hydrogen silicone oil dropwise, continuously heating for 10-12 hours under nitrogen protection, removing toluene by carrying out distillation under reduced pressure, to obtain epoxy-modified silicone oil; (ii) uniformly mixing raw lime with water (7-10 times), adding zinc hydroxy stannate, stirring evenly, to obtain lime emulsion; (iii) uniformly mixing diphenylsilandiol with to anhydrous ethanol (4-6 times), stirring uniformly, heating at 60-70 degrees C, adding graphene, lime emulsion, stirring uniformly for 20-30 minutes, carrying out suction filtration, to obtain filter cake, subjecting to vacuum drying, to obtain modified grapheme; (iv) uniformly mixing modified graphite with nano silica, carrying out ball-milling, adding anhydrous ethanol (16-20 times), carrying out ultrasonic dispersing for 3-5 minutes, rising temperature to 50-60 degrees C, adding epoxy-modified silicone oil dropwise, stirring uniformly under nitrogen protection for 10-12 hours, filtering, drying the filter cake under vaccum conditions, to obtain silicone-modified nanoparticles; (v) dehydrating polytetrahydrofuran glycol at 80-90 degrees C under vacuum for 2-3 hours; (vi) uniformly mixing 2-perfluoroalkyl ethanol with N,N- dimethylformamide (2-3 times), to obtain liquid A; (vii) uniformly mixing dodecyl mercaptan and propylene glycol alginate, adding 10-12 wt.% diphenyl methane diisocyanate, 60-70 wt.% N, N- dimethylformamide, stirring uniformly for 13-20 minutes at 60-70 degrees C under insulating conditions, to obtain modified monomer solution; (viii) uniformly mixing the remaining diphenyl methane diisocyanate and N, N-dimethylformamide (2.8-3 times), rising temperature to 60-65 degrees C under nitrogen conditions, adding liquid A dropwise, carrying out reaction at low temperature under insulating conditions for 2-3 hours, dehydrating, adding polytetrahydrofuran ether glycol, stirring uniformly for 50-60 minutes, adding modified monomer solution, 1, 4- butanediol and rising temperature to 75-80 degrees C for 1.8-2 hours, to obtain polyurethane prepolymer; and (ix) uniformly mixing silicone-modified nanoparticles with polyurethane prepolymer, rising temperature to 80-85 degrees C, adding remaining raw materials, carrying out ultrasonic dispersion for 3-5 minutes and cooling, to obtain the final product.