The polymer of the monomer of claim 1 cured with a polyamine of the formula: ##STR7## wherein n is 0, 1, 2, 3, 4 or 5; X is a hydrogen, a halogen, a halocarbon, an alkyl, an amino group or a amino group substituted with alkyls; Y is a hydrogen or an amino group; Y' is a hydrogen or an amino group and at least one Y or Y' must be an amino group.