▎ 摘　　要

NOVELTY - A graphene/polyethylene terephthalate composite fiber comprises 5-20 parts mass composite masterbatch and 80-95 parts mass polyethylene terephthalate chips. The content of graphene in composite masterbatch is 1-20 wt.%. USE - Graphene/polyethylene terephthalate composite fiber (claimed). ADVANTAGE - The graphene/polyethylene terephthalate composite fiber has excellent dispersibility and strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation method of graphene/polyethylene terephthalate composite fiber.