Patent ID: 8003737

Claim:
A curable composition comprising: a) an epoxy resin containing on average more than one epoxy group per molecule and a cyclic carbonate, and b) as curing agent a hybrid hardener, whereby said hardener is a blend of b1) an aminic compound selected from aliphatic, cycloaliphatic, araliphatic amines, imidazoline group-containing amidoamines based on mono- or polybasic acids, adducts of said amines or amidoamines made from glycidyl compounds, whereby said aminic compound contains, on average per molecule, at least two reactive hydrogen atoms bound to nitrogen atoms, and b2) a DCPD-phenol based novolac, and wherein the DCPD-phenol novolac is used in an amount from 1 to 65 wt %, based on the total weight of the hardener blend b1) and b2).