▎ 摘　　要

NOVELTY - Oxidized graphite thin composite hydrogel preparation involves adding graphene oxide in deionized water with stirring for 20-60 minutes to form graphene oxide aqueous solution. The prepared graphene oxide aqueous solution is transferred to a test tube, where the tube is sealed and placed in gamma radiation field. A acrylamide monomer with other monomers is dissolved in deionized water to prepare an aqueous monomer solution. A certain amount of the graphene oxide aqueous solution is added into the monomer aqueous solution with stirring to form a homogeneous solution. USE - Method for preparing oxidized graphite thin composite hydrogel (claimed). ADVANTAGE - The method prepares the oxidized graphite thin composite hydrogel in a simple and cost-effective manner with high elasticity, high toughness, and elongation at break of more than 700% and a tensile breaking strength of more than 100 kilopascals. DETAILED DESCRIPTION - Oxidized graphite thin composite hydrogel preparation involves adding graphene oxide in deionized water with stirring for 20-60 minutes to form graphene oxide aqueous solution. The prepared graphene oxide aqueous solution is transferred to a test tube, where the tube is sealed and placed in gamma radiation field. A acrylamide monomer with other monomers is dissolved in deionized water to prepare an aqueous monomer solution. A certain amount of the graphene oxide aqueous solution is added into the monomer aqueous solution with stirring to form a homogeneous solution, and then filled with high purity nitrogen to eliminate oxygen from the solution. The solution is reduced at 5-15 degrees C by adding sodium bisulfate, water-soluble azo salt and sodium bisulfite at 200 degrees C, and then reacted for 2-10 hours to obtain the oxidized graphite thin composite hydrogel.