After reaction is complete, the polymerization reaction mixture, now comprising the polymer V ##STR8## where R', Q and n are as previously defined and T3 is ##STR9## where Y is an anion from the initiator, A is hydrogen or an initiator fragment such as methyl from methyl iodide and Q and R* are as previously defined, is treated with an anhydrous solvent preferably an alcohol or ether such as metha