| http://www.w3.org/ns/prov#value | - Resin (B) according to the invention is an epoxy resin reacted with a secondary amine and further reacted with a compound of the formula ##STR7## where R8 is hydrogen or an alkyl group of 1-10 carbon atoms, at a temperature of 80???-150??? C., preferably 100???-130??? C. in the presence of an acid catalyst.
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