§42 Anionic polymerizationction (1)History 1877, Wurtz, bases, epoxy ethane 1914, Na, Bd, Ip, st 1940, Ellis, BuLi, ethylene 1952, Higginson, styrene, KNH2, kinetic study 1956, Szwarc, sodium naphthalene, St, living polymerization conception 60s, commercial SDs products were available 90s, study on the living polymerization of polar monomers (2) Carbanion§4.2 Anionic polymerization 1、Introduction 1877，Wurtz, bases, epoxy ethane 1914, Na, Bd, Ip, St 1940, Ellis, BuLi, ethylene 1952，Higginson, styrene, KNH2 , kinetic study 1956，Szwarc, sodium naphthalene, St, living polymerization conception 60's, commercial SDS products were available 90‘s, study on the living polymerization of polar monomers (1) History (2) Carbanion