| http://www.w3.org/ns/prov#value | - Preferably, component d) of the curable composition is selected from the group consisting of mono- or bis-nadimides derived respectively from mono, unsubstituted or halo-substituted, amines and unsubstituted diamines of formula H2 N--Ph--(X--Ph)2 --NH2 wherein Ph is 1,3-phenylene or 1,4-phenylene, X is a direct bond, --CO--, --SO--, S02 --, --O--, --CR6 2 wherein R6 is --H, --CH3 or --CF3 and a is
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