▎ 摘　　要

NOVELTY - Preparing copper-based graphene thermal conductive heat dissipation film comprises e.g. (i) mixing graphene oxide with water and then sonicating, then mixing resultant graphene oxide dispersion with organic amine and reacting in a water bath to obtain aminated graphene and then mixing with cationic polymer solution, reacting, filtering and washing to obtain cation modified graphene slurry, (ii) preparing electroplating solution with water as the solvent, (iii) placing the electroplating solution in the electroplating device, and copper containing phosphorus used as an anode and titanium used as a cathode, then performing electroplating, and depositing composite raw foil of copper and graphene on a cathode, and (iv) taking out original composite foil and carrying out anti-oxidation treatment, washing and drying to obtain final product. USE - The copper-based graphene thermal conductive heat dissipation film useful for electronic products includes mobile phones. ADVANTAGE - The heat dissipation film: has excellent heat conductivity and heat dissipation effects. DETAILED DESCRIPTION - Preparing copper-based graphene thermal conductive heat dissipation film comprises (i) (a) mixing 1-3 pts. wt. graphene oxide with 70-100 pts. wt. water and then sonicating to obtain graphene oxide dispersion, (b) mixing graphene oxide dispersion with 8-12 pts. wt. organic amine and then reacting in a water bath to obtain aminated graphene and (c) mixing aminated graphene with 2-10 pts. wt. cationic polymer solution, then reacting in water bath, filtering and washing the filter residue to obtain cation modified graphene slurry, (ii) preparing electroplating solution with water as the solvent, where the electroplating solution contains 5-10 g/l cationic modified graphene slurry, 60-130 g/l soluble copper salt, 90- 140 ml/l sulfuric acid, 0.05-0.15 g/l chloride ion additive, 0.2-0.4 ml/l copper gloss additive and 10-20 ml/l carrying agent, (iii) placing the electroplating solution in the electroplating device, and copper containing phosphorus used as an anode and titanium used as a cathode, then performing electroplating, and depositing composite raw foil of copper and graphene on a cathode, and (iv) taking out original composite foil and carrying out anti-oxidation treatment, washing and drying to obtain final product. An INDEPENDENT CLAIM is also included for copper-based graphene thermal conductive heat dissipation film obtained by above method.