Patent ID: 6455662
Filing Date: 2002-09-24
Classification: C07D,Y10T

Abstract:
A curable mixture comprisinga) an epoxy resin having more than one 1,2-epoxy group per molecule, (b) as curing accelerator, an imidazole compound of formula I wherein R1, R2 and R3 are each independently of the others a hydrogen atom, a halogen atom, alkyl having from 1 to 20 carbon atoms, alkoxy having from 1 to 20 carbon atoms, unsubstituted or halo-, nitro-, C1-C4alkyl- or C1-C4alkoxy-substituted aralkyl having from 7 to 20 carbon atoms, or unsubstituted or halo-, nitro-, C1-C4alkyl- or C1-C4alkoxy-substituted aryl having from 6 to 20 carbon atoms, and R4 is alkyl having from 1 to 20 carbon atoms, alkenyl having from 2 to 20 carbon atoms, alkynyl having from 2 to 20 carbon atoms, unsubstituted or halo-, C1-C4alkyl- or C1-C4alkoxy-substituted aralkyl having from 7 to 20 carbon atoms or unsubstituted or halo-, C1-C4alkyl- or C1-C4alkoxy-substituted aryl having from 6 to 20 carbon atoms; and c) a curing agent for epoxy resins.