▎ 摘　　要

NOVELTY - High-gloss black plastic powder coating comprises trimethylolpropane triacrylate, an aqueous alkyd resin polyol dispersion, diisocyanate, 4,4'-Azobis (4-cyanovaleric acid), graphene, dispersant, filler, carbon black and leveling agent. USE - Used as high-gloss black plastic powder coating. ADVANTAGE - The coating has good adhesion to plastic and metal substrates; has high surface gloss after spraying. The method: is simple; and has wide application prospects. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing high-gloss black plastic powder coating comprising premixing diisocyanate, 4,4'-Azobis (4-cyanovaleric acid), filler, leveling agent, graphene and dispersant, co-extruding the obtained premix with trimethylolpropane triacrylate, aqueous alkyd resin polyhydric alcohol dispersion and carbon black using an extruder, cooling, crushing and sieving.