Research progress on toughening modified epoxy resin with liquid nitrile rubber
Epoxy resin has low cost,excellent performance,and a wide range of applications.Currently,researchers are mostly modifying its toughness to compensate for structural deficiencies and further expand its application range.Among them,toughening modified epoxy resin with liquid nitrile rubber is one of the most successful methods in application.In this article,the toughening mechanism of epoxy resin was briefly introduced,the research progress of various liquid nitrile rubbers,such as carboxyl terminated liquid nitrile(CTBN),hydroxyl terminated liquid nitrile(HTBN),random carboxyl terminated liquid nitrile(XNBR),liquid nitrile(LNBR),amino terminated liquid nitrile(ATBN)and epoxy terminated liquid nitrile(ETBN)in toughening epoxy resin in recent years was reviewed,and the research direction of toughening epoxy resin with liquid nitrile rubber was prospected.
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