▎ 摘　　要

NOVELTY - Preparing recyclable wear-resistant and high thermal conductivity nylon 66 composite material involves weighing 30.3-52.2 wt.% nylon 66 resin, 10-20 wt.% graphene microchips, 5-10 wt.% modified nano-silica, 2-5 wt.% compatibilizer, 0.2-0.6 wt.% antioxidant, 0.1-0.5 wt.% silane coupling agent, 30-40 wt.% carbon fiber. The graphene, modified nano-silica, and silane coupling agent are mixed at a temperature of 60-80 degrees C, and stirred for 4-8 minutes, cooled down to 50-70 degrees C, then add nylon 66 resin, antioxidant, and compatibilizer, and continue to stir for 4-8 minutes to obtain a mixture. The carbon fiber is added to the mixture and mixed, then melted, extruded, cooled down, and pelletized to obtain a nylon 66 composite material. USE - Method for preparing recyclable wear-resistant and high thermal conductivity nylon 66 composite material. ADVANTAGE - The method enables to prepare recyclable wear-resistant and high thermal conductivity nylon 66 composite material, which enables the nylon 66 composite material to have excellent thermal conductivity, abrasion resistance and mechanical properties through the synergy between the raw materials.