| abstract |
The invention relates to imidio-s-heptazine derivatives represented by the formula (1): wherein R a , R b and R c independently with the provisos that at least one radical of R a , R b and R c is an imido radical, the radicals -NH 2 and -Cl are not jointly contained and that the radicals R 1 and R 2 in the imido radical is independent are alkyl, aryl, functionalized alkyl, functionalized aryl radicals or linking alkyl, aryl linking, linking functionalized alkyl, linking functionalized aryl radicals. and derived oligomers and polymers, as well as processes for their preparation and their use. |