▎ 摘 要
NOVELTY - Graphene polymer composite film modified resin-based composite material comprises (a) graphene material, (b) thermoplastic polymer and (c) resin-based composite material, graphene material and thermoplastic polymer exist between the resin-based composite layers in the form of graphene polymer composite films; the graphene polymer composite film is fibrous porous structure composed of graphene material and thermoplastic polymer, the resin-based composite material is dissolved in the porous structure and integrated with each other during the molding process; where, the mass ratio of the graphene material to the thermoplastic polymer is 1:1-50; preferably 1:10-20. USE - Used as graphene polymer composite film modified resin-based composite material. ADVANTAGE - The composite material: has improved uniformity and heat resistance, and actively improved mechanical properties. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) graphene polymer composite film, the graphene material with mass ratio of 1:1-50 forms a fibrous porous structure through fusion or adhesion to thermoplastic polymer fiber, where the diameter of the fibrous shape is 100-2000 nm; and (2) preparing graphene polymer modified resin-based composite material comprising firstly preparing graphene material, thermoplastic polymer and solvent into a mixed solution of graphene and thermoplastic polymer or making graphene material and thermoplastic polymer into solution separately, spinning to form a graphene polymer composite film, placing graphene polymer composite film between the layers of the resin-based composite material, obtaining graphene polymer modified resin-based composite material through corresponding composite material molding process.