New initiators which are suitable for cationic polymerization have the following structure: ##STR1## such that following apply: R 1 and R 2 are alkyl or cycloalkyl or they, together with the S atom, form a heterocyclic ring, . R 3 is H or alkyl, . R 4, R 5, R 6, and R 7 are H, alkyl, or alkoxy, . X-- is a non-nucleophilic anion.. Reaction resin mixtures with initiators of this type contain, in ...
Get Price