▎ 摘　　要

NOVELTY - Preparation of polymer-graphene oxide composite hydrogel involves dispersing lithium diatomaceous earth in aqueous graphene oxide dispersion, stirring, performing ultrasonic treatment to obtain an uniform dispersion, adding N-isopropyl acrylamide monomer, stirring uniformly, deoxidizing, adding an initiator and a catalyst, transferring obtained reaction liquid into a glass test tube or a reaction mold for sealing, and performing in-situ free radical polymerization at 15-25 degrees C, to obtain polymer-graphene oxide composite hydrogel. USE - Preparation of polymer-graphene oxide composite hydrogel used for preparation of conductive graphene composite hydrogel (all claimed). ADVANTAGE - The method provides polymer-graphene oxide composite hydrogel having favorable mechanical property and thermosensitivity. The conductive graphene composite hydrogel prepared using the polymer-graphene oxide composite hydrogel has favorable mechanical property and thermosensitivity, and high conductivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of conductive graphene composite hydrogel, which involves reducing the polymer-graphene oxide composite hydrogel with L-ascorbic acid aqueous solution at 50-100 hours to obtain the conductive graphene composite hydrogel.