▎ 摘　　要

NOVELTY - A polyethylene-based urea-containing heat-dissipating coating comprises beta -naphthol, lanolin acetate, benzyltriethylammonium bromide, styrene-maleic anhydride copolymer, propargyl alcohol, tetrahydrofuran, graphene, nano-silica, silane coupling agent KH-560 (RTM: gamma -Glycidoxypropyltrimethoxysilane), dimethylformamide, sodium azide, aluminum trichloride, sodium ascorbate solution, copper sulfate solution, high-density polyethylene, p-tert butylphenol, stannous octoate, hexamethylphosphoramide, aluminum dihydrogen phosphate and urea. USE - Polyethylene-based urea-containing heat-dissipating coating (claimed). ADVANTAGE - The heat-dissipating coating has excellent film-forming property, peel strength and acid and alkali resistance. DETAILED DESCRIPTION - A polyethylene-based urea-containing heat-dissipating coating comprises 0.6-1 pt. wt. beta -naphthol, 2-4 pts. wt. lanolin acetate, 0.7-1 pt. wt. benzyltriethylammonium bromide, 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 pt. wt. silane coupling agent KH-560 (RTM: gamma -Glycidoxypropyltrimethoxysilane), 700-800 pts. wt. dimethylformamide, 4-5 pts. wt. sodium azide, 0.04-0.05 pts. wt. aluminum trichloride, 2-3 pts. wt. 1.6-2% sodium ascorbate solution, 2-3 pts. wt. 1.8-2% copper sulfate solution, 130-140 pts. wt. high-density polyethylene, 0.6-1 pt. wt. p-tert butylphenol, 0.1-0.2 pt. wt. stannous octoate, 1-2 pts. wt. hexamethylphosphoramide, 2-4 pts. wt. aluminum dihydrogen phosphate and 1.7-2 pts. wt. urea. An INDEPENDENT CLAIM is included for method for preparing polyethylene-based urea-containing heat-dissipating coating.