▎ 摘　　要

NOVELTY - Insulating high thermal conductivity anticorrosion coating comprises primer, transition layer and topcoat. The primer includes 40-60 pts. wt. polyphenylene sulfide resin, 40-60 pts. wt. polyarylene sulfide resin, and 1-20 pts. wt. graphene derivatives. The transition layer includes 60-80 pts. wt. polyphenylene sulfide resin, 20-40 pts. wt. polyarylene sulfide resin, and 1-20 pts. wt. graphene derivatives. The topcoat includes 90-100 pts. wt. polyphenylene sulfide resin, 0-10 pts. wt. polyarylene sulfide resin, and 1-20 pts. wt. graphene derivatives. The polyarylene sulfide resin is obtained by polymerization of meta/para dichlorobenzene monomers. The molar content of meta/para dichlorobenzene monomers is 35%/65% to 15%/85%. The graphene derivative is graphene oxide and/or fluorinated graphene. USE - The coating is useful for solar heat pump. Can also be used in building heating, domestic hot water supply and industrial heat application fields. ADVANTAGE - The coating has high resistance and high thermal conductivity and good compatibility, excellent adhesion, insulation, thermal conductivity, high temperature resistance and solvent resistance, can meet the performance requirements of solar heat pump surface insulation, high thermal conductivity and anti-corrosion coating, can be processed quickly, is easy to process under common gas atmospheres, has a simple preparation process, and prospect of large-scale industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing insulating high thermal conductivity anticorrosion coating comprising (1) providing the raw materials of the primer, blending and drying to obtain the composite fine powder of the primer, (2) providing the raw materials of the transition layer, blending and drying to obtain the composite fine powder of the transition layer, (3) providing the raw materials of the topcoat, blending and drying to obtain the composite fine powder of the topcoat, (4) spraying the composite fine powder of the primer onto the surface of the metal substrate, melting and leveling off, and cooling to obtain the surface of the metal substrate sprayed with primer, and (5) spraying the transition layer composite fine powder onto the surface of the metal substrate sprayed with primer, melting, leveling, and cooling to obtain a metal substrate sprayed with at least one transition layer, and (6) spraying the composite fine powder of topcoat onto the surface of the metal substrate sprayed with the transition layer, melting, leveling and cooling to complete the coating preparation.