Patent ID: 8128782
Filing Date: 2012-03-06
Classification: B32B,C08G,C09D,C09J

Abstract:
1. An amine based epoxy resin curing agent comprising a reaction product of the following (A), (B) and (D) or a reaction product of the following (A), (B), (C) and (D): (A) m-xylylenediamine or p-xylylenediamine, (B) a polyfunctional compound having at least one acyl group, which is capable of forming an amide group site through a reaction with a polyamine and forming an oligomer, (C) a monovalent carboxylic acid having from 1 to 8 carbon atoms and/or its derivative, and (D) a cyclic compound having at least one carbonate site represented by the formula (2), which is capable of forming a carbamate site represented by the formula (1) through a reaction with a polyamine: