Synthesis and Characterization of Comb-Branched Polyelectrolytes. 1. Preparation of Cationic Macromonomer of 2-(Dimethylamino)ethyl Methacrylate by Atom Transfer Radical Polymerization

The synthesis of water-soluble macromonomers of 2-(dimethylamino)ethyl methacrylate (DMAEMA) by atom transfer radical polymerization (ATRP) was studied in detail. The survival of the unsaturated groups in the initiators during the macromonomer preparation as well as the initiator efficiency depended on the nature of initiator and type of ligand used. The kinetics of the ATRP of DMAEMA catalyzed by allyl 2-bromoisobutyrate (ABIB)/copper bromide …