▎ 摘　　要

NOVELTY - Preparation of polyoctahedral silsesquioxanes (POSS) graft graphene oxide modified nylon composite resin comprises dissolving graphene oxide in deionized water and ethanol, mixing, adding POSS, reacting, filtering, washing, drying, mixing POSS grafted graphene oxide with lactam monomer, mixing, heating, adding catalyst, vacuumizing, adding activator, mixing, polymerizing, insulating, purging, heating, cooling, pelletizing, slicing, vacuum drying, extruding, spinning, melting, cooling, oiling, clustering, rolling, winding and molding. USE - Method of preparing polyoctahedral silsesquioxanes graft graphene oxide modified nylon composite resin used as electromagnetic protective clothing and electrostatic protective clothing (claimed). ADVANTAGE - The resin has good mechanical properties, dimensional stability, electrical and thermal conductivity, flame retardancy and radiation protection properties. DETAILED DESCRIPTION - Preparation of polyoctahedral silsesquioxanes (POSS) graft graphene oxide modified nylon composite resin comprises dissolving graphene oxide in deionized water and ethanol, mixing for 1-3 hours, adding POSS, reacting at 70-100 degrees C for 8-24 hours, filtering, washing with anhydrous ethanol and deionized water, drying at 60-100 degrees C to obtain POSS grafted graphene oxide, mixing POSS grafted graphene oxide with lactam monomer, mixing at 121-135 degrees C for 1-3 hours, heating at 120-140 degrees C, adding catalyst, vacuumizing for 30 minutes, adding activator, mixing at 170-185 degrees C, polymerizing, insulating for 20-60 minutes to obtain POSS grafted graphene in situ modified nylon composite resin, purging with high purity nitrogen, heating at 230-260 degrees C, cooling, pelletizing to obtain POSS graft graphene oxide nylon composite resin chips, slicing, vacuum drying, extruding, spinning, melting, cooling, oiling, clustering, rolling, winding and molding.