Study on a Novel Soften Curing Agent for Toughening Epoxy Resins
A new soften curing agent for toughening epoxy resins was synthesized by m-phenylene diamine modified with epoxypropyl butyl ether. Fourier transform infrared (FT-IR) analysis showed that the longer the reaction time was, the smaller the absorption peaks of epoxy group were. The results of the mechanical properties demonstrated that the impact property of the epoxy resin cured by modified m-phenylene diamine at the moderate temperature was better than that of cured by un-modified one because of the introduction of soft ether chain.
Hongbing Ji, Yixin Chen and Shengzhou Chen
C. H. Lou et al., "Study on a Novel Soften Curing Agent for Toughening Epoxy Resins", Advanced Materials Research, Vols. 557-559, pp. 224-227, 2012