▎ 摘　　要

NOVELTY - A solar heat-absorbing coating comprises silicone acrylate latex, modified sulfonated graphene, alumina-copper nanocomposite powder, yttria-stabilized zirconia powder, silicon carbide powder, ultrafine iron powder, ultrafine nickel powder, squama graphite powder, silica sol, deionized water, flatting agent and wetting agent. The coating is prepared by grinding solid powder and mixing with liquid material at room temperature for 60-90 minutes. USE - Solar heat-absorbing coating. ADVANTAGE - The method is simple, low cost and environment-friendly. The coating does not contain toxic or expensive reducing agent, has improved heat absorption efficiency and anti-abrasion performance and hard intensity.