▎ 摘　　要

NOVELTY - Preparing modified carbon fiber reinforced resin-based composite material comprises mixing graphene dispersion and resin matrix, modifying to obtain modified resin matrix, soaking the carbon fiber into hydrogen peroxide solution, performing ultrasonic treatment to obtain modified carbon fiber, layering the modified carbon fiber to obtain the carbon fiber fabric, mixing the modified resin matrix and curing agent, alternately laminating and hot-pressing the obtained modified resin matrix-curing agent mixture and the carbon fiber fabric. USE - The method is useful for preparing modified carbon fiber reinforced resin-based composite material. ADVANTAGE - The method: uses graphene as a modifier of the resin matrix, which has a rough wrinkled corrugated structure, ensures carbon fiber and the resin matrix structure interlock; improves the interface characteristics of the resin matrix and carbon fiber; improves the strength of carbon fiber reinforced resin matrix composites; uses ultrasonic hydrogen peroxide combined oxidation to modify the carbon fiber, which can increase the surface hydroxy of carbon fiber; ensures the activity of active oxygen-containing radical groups including carbonyl groups to achieve the purpose of surface modification; can ensure the carbon fiber and resin matrix bond more tightly; increases the interlayer strength of the composite material. The modified carbon fiber reinforced resin; ca be taken as a reinforcement skeleton to provide the composite material excellent fatigue resistance, impact resistance, shock absorption, corrosion resistance, modified carbon fiber reinforced resin conductivity, high temperature resistance, high strength, light weight and plasticity.