▎ 摘　　要

NOVELTY - Oxidized graphene composite polycarboxylate water reducing agent comprises graphene oxide, methallyl polyoxyethylene ether, acrylic acid, maleic anhydride, water, oxidizing agent and reducing agent. USE - Oxidized graphene composite polycarboxylate water reducing agent. ADVANTAGE - The oxidized graphene composite polycarboxylate water reducing agent improves dispersibility and mechanical property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing oxidized graphene composite polycarboxylate water reducing agent, which involves: (A) weighing 0.1-2 wt.% graphene oxide, 15-40 wt.% methallyl polyoxyethylene ether, 1.5-4 wt.% acrylic acid, 2-5.4 wt.% maleic anhydride, 50-70 wt.% water, 0.4-1 wt.% oxidizing agent and 0.1-0.2 wt.% reducing agent; and (B) uniformly mixing followed by polymerization reaction under action of oxidant and reducing agent to obtain desired product.