▎ 摘　　要

NOVELTY - Preparation of graphene oxide grafted polyvinylidene fluoride comprises preparing graphene oxide by Hummer's method, adding in solvent A, ultrasonically dispersing under ice water bath, under stirring condition, sequentially adding carboxyl xanthate, catalyst and water reducing agent, reacting at room temperature, filtering, vacuum drying to obtain surface-modified graphene oxide, adding in solvent B, ultrasonically dispersing, transferring into a reaction kettle, adding initiator and vinylidene fluoride gas monomer, stirring under heating condition for reversible-addition-fragmentation chain transfer polymerization, and after finishing the reaction, drying. USE - Preparation of graphene oxide grafted polyvinylidene fluoride. ADVANTAGE - The method greatly improves the grafting rate, has simple preparation technique, is suitable for industrial production, and provides product with high tensile strength, good thermal stability and high mechanical strength.