▎ 摘　　要

NOVELTY - Manufacture of graphene-polypropylene carbonate composite material involves pretreating graphene, mixing pretreated graphene with polypropylene carbonate and polyvinyl alcohol, and carrying out of vacuum extrusion-granulation of the mixture. USE - Manufacture of graphene-polypropylene carbonate composite material (claimed). ADVANTAGE - The method is environmentally-friendly, and enables efficient manufacture of graphene-polypropylene carbonate composite material with high quality, and excellent biodegradability, solvent resistance, oxygen barrier property, thermal stability, mechanical characteristics and wear resistance.