▎ 摘　　要

NOVELTY - A graphene-oxide-modified powder nitrile rubber/epoxy resin composite comprises 8-10 pts. wt. graphene oxide, 10-16 pts. wt. powder nitrile rubber, 50-70 pts. wt. epoxy resin emulsion, 30-50 pts. wt. curing agent, and 5-7 pts. wt. modifier. USE - Graphene-oxide-modified powder nitrile rubber/epoxy resin composite. ADVANTAGE - The composite has excellent performance characteristics, impact strength, and bending strength, and reduced thermal decomposition rate and shrinkage. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the composite, which involves mixing the modifier with the powder nitrile rubber, soaking to obtain modified powder nitrile rubber, adding the graphene oxide and epoxy resin emulsion to a grinder, grinding for 20-30 minutes at 60-80 degrees C, ultrasonically stirring for 30-50 minutes, heat-preserving for 35-55 minutes at 40-60 degrees C, filtering to obtain a mixed material, pouring the modified powder nitrile rubber into an open mill, plasticating for 25-35 minutes at 200-350 rpm, mixing for 30-40 minutes at 75-85 degrees C, pouring the mixed material into the open mill, plasticating for 40-60 minutes at 350-400 rpm, and mixing at 85-120 degrees C for 40-50 minutes.