FIELD: chemistry.
SUBSTANCE: present invention relates to a polymerisable thermosetting composition for making thermosetting polymers. Composition contains (i) one or more acetylene-containing benzoxazine compounds and (ii) a phthalonitrile monomer. Weight ratio of acetylene-containing benzoxazine compounds to phthalonitrile monomer ranges from 1:1 to 10:1. Obtained composition shows faster curing in comparison with other modern benzoxazine/phthalonitrile compositions under comparable conditions.
EFFECT: thermoset polymers obtained by curing said composition have improved thermal and mechanical properties.
6 cl, 2 tbl, 30 ex
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