The research status of melt polycondensation and solution polycondensation of long carbon chain nylon was introduced,and the related research ideas and process routes were analyzed and summarized.The research progress of long carbon chain nylon in strengthening,toughening and flame retardant modification in recent years was summarized.The market status of long carbon chain nylon was analyzed,covering the major domestic and foreign manufacturers,and the future trend of long carbon chain nylon modification research was prospected.
long carbon chain nylonpolymerization processmodificationresearch progress