▎ 摘　　要

NOVELTY - A nano-ceramic/graphene composite coating comprises 30-40 pts. wt. water-based inorganic nano-ceramic resin, 3-6 pts. wt. graphene, 8-12 pts. wt. ultrafine alumina powder, 12-27 pts. wt. nano-filler, 1-3 pts. wt. antistatic agent, 2-5 pts. wt. film-forming additive, 0.6-1.2 pts. wt. stabilizer, 10-15 pts. wt. curing agent, 0.3-0.8 pts. wt. defoamer, 0.3-0.6 pts. wt. UV absorber, 5-10 pts. wt. thickener and 13-19 pts. wt. deionized water/alcohol solvent. USE - Nanoceramic/graphene composite coating for LED lamp radiator such as aluminum alloy radiator. (claimed). ADVANTAGE - The nanoceramic/graphene composite coating having high heat conductivity, enhanced heat stability, weather resistance, high mechanical strength, water resistance, UV resistance, mold resistance, dust resistance and high temperature resistance is prepared by simple and environmentally-friendly process. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation method of nano-ceramic/graphene composite coating, which involves adding stabilizer into deionized water/alcohol solvent, carrying out low-speed mixing, adding defoamer, graphene, ultra-fine alumina powder, nano-filler and thickener, stirring at high speed, obtaining mixed solution (A), (2) mixing water-based inorganic nano ceramic resin, film forming auxiliary agent and curing agent, high-speed stirring, adding antistatic agent and UV absorber and mixing well, obtaining solution (B), (3) mixing mixed solution (A) and mixed solution (B), stirring at high speed to obtain mixed solution (C) and (4) filtering the mixed solution using 150-300 mesh filter; and (2) application of nano-ceramic/graphene composite coating for improving performance of LED lamp radiator, which involves (I) polishing the surface of LED lamp radiator, ultrasonically cleaning, (II) evenly spraying nano-ceramic/graphene composite coating on LED and the surface of the lamp radiator and (III) curing.