▎ 摘　　要

NOVELTY - Graphene in-situ polymerization biodegradable copolyester (I) is new. USE - The graphene in-situ polymerization biodegradable copolyester is useful for antistatic protective film, agricultural mulch film, antibacterial packaging, composite packaging, barrier materials, industrial packaging, electronic packaging materials, disposable tableware and sanitary products fields (claimed). ADVANTAGE - The graphene in-situ polymerized biodegradable copolyester has narrower molecular weight distribution, excellent barrier property, antibacterial property, and electrical conductivity. DETAILED DESCRIPTION - Graphene in-situ polymerization biodegradable copolyester of formula (I) is new. An INDEPENDENT CLAIM is also included for preparation of (I).