发明授权
US08128782B2 Amine epoxy resin curing agent, gas barrier epoxy resin composition comprising the curing agent, coating agent, and adhesive agent for laminate 有权
胺环氧树脂固化剂,阻气性环氧树脂组合物,其包含固化剂,涂层剂和层压粘合剂

Amine epoxy resin curing agent, gas barrier epoxy resin composition comprising the curing agent, coating agent, and adhesive agent for laminate
摘要:
The present invention provides an amine based epoxy resin curing agent and an epoxy resin composition containing the curing agent. The epoxy resin composition has a high gas barrier performance, a long pot life, and utility as a coating material or an adhesive for laminates. The amine based epoxy resin curing agent is composed of a reaction product of (A), (B) and (D) or (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 functional 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:
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