Research Progress in Toughening Modification of Epoxy Resin

The latest progress in toughening modification research of epoxy resin at home and abroad was reviewed. The research status of toughening epoxy resin with rubber elastomer, nanoparticles, thermoplastic resin and liquid crystal polymer was introduced. The mechanism and results of various toughening methods were analyzed.The development direction of toughening epoxy resin was expected.