Patent ID: 9631047
Date: 2017-04-25
CPC Classifications: C08G,C09D

Claim:
1. A curing agent, suitable for curing epoxy resins, comprising: at least one adduct of at least one primary diamine P1 and at least one aromatic monoepoxide, wherein the adduct is a reaction product of the at least one primary diamine P1 with the at least one aromatic monoepoxide in a ratio of moles of the at least one primary diamine P1 to moles of the at least one aromatic monoepoxide ranging from 1/1 to 1/1.5; at least one primary diamine P2; and at least one secondary diamine, which is 1,3-bis(2-ethylhexylaminomethyl)benzene or 1,3-bis(2-phenylethylaminomethyl)benzene.