▎ 摘　　要

NOVELTY - Preparing reduction-oxidation graphene/polyurethane nano composite foam comprises (a) mixing the graphene oxide and organic solvent to obtain graphene oxide dispersion liquid, (b) taking the obtained the graphene oxide dispersion liquid, polyether 330, polyethylene glycol, diisocyanate, triethanolamine, dibutyltin dilaurate, silicone oil and water to obtain a mixture, polymerization to obtain the prepolymer, (c) foaming to obtain grapheme oxide/polyurethane nano composite foam, and (d) taking the obtained the graphene oxide/polyurethane nano composite foam and reducing agent. USE - The reduction-oxidation graphene/polyurethane nano composite foam is useful for field of photo-thermal conversion (claimed). DETAILED DESCRIPTION - Preparing reduction-oxidation graphene/polyurethane nano composite foam comprises (a) mixing the graphene oxide and organic solvent to obtain graphene oxide dispersion liquid, (b) taking the obtained the graphene oxide dispersion liquid, polyether 330, polyethylene glycol, diisocyanate, triethanolamine, dibutyltin dilaurate, silicone oil and water to obtain a mixture, subjecting the mixture to polymerization to obtain the prepolymer, (c) taking the obtained pre-polymer for foaming to obtain grapheme oxide/polyurethane nano composite foam, and (d) taking the obtained the graphene oxide/polyurethane nano composite foam and reducing agent, reducing under microwave condition to obtain reduced graphene oxide/polyurethane nano composite foam. An INDEPENDENT CLAIM is also included for reduction-oxidation graphene/polyurethane nano composite foam is obtained by above method.