▎ 摘　　要

NOVELTY - Preparation of graphene/thermoplastic polyurethane composite material comprises preparing graphene oxide by Hummer's method, dispersing in dimethylformamide, ultrasonically treating, pouring thermoplastic polyurethane, swelling, forming graphene oxide/thermoplastic composite material solution coating thin film, and performing in-situ reduction treatment. USE - Method for preparing graphene/thermoplastic polyurethane composite material used for thermoplastic polyurethane medical mattress, thermoplastic polyurethane biogas storage bags, thermoplastic polyurethane wading products and thermoplastic polyurethane water storage bags (claimed). ADVANTAGE - The composite material meets the high requirements for barrier properties and anti-static properties.