| abstract |
The present invention relates to heat-curable compositions comprising a mixture of reactive epoxy resins which comprises, based on the composition of all of the epoxy resins, a) at least 10% by weight of a reaction product which contains epoxy groups and which is obtained from epichlorohydrin with polypropylene glycol having an epoxy equivalent weight of at least 250 g/eq, and b) at least 10% by weight of a reaction product which contains epoxy groups and which is obtained from epichlorohydrin with a novolac resin having an epoxy equivalent weight of at least 175 g/eq, and at least one latent hardener. |