Chain-Growth Step in Anionic Polymerization Chain-growth step in anionic polymerization COOCH COOCH COOCH, →→CH,-CH H growing chain methyl acrylate stabilized anion polymer ■ Effective anionic polymerization requires a monomer that gives a stabilized carbanion when it reacts with the anionic end of the growing chain. Chapter 26 11Chapter 26 11 Chain-Growth Step in Anionic Polymerization ▪ Effective anionic polymerization requires a monomer that gives a stabilized carbanion when it reacts with the anionic end of the growing chain