CATIONIC POLYMERIZATION WITH BORON HALIDES .7. SYNTHESIS OF AN ISOBUTYLENE-ALPHA-METHYLSTYRENE BLOCK COPOLYMER WITH OLEFINIC HEAD-GROUP - (CH3)2C=CHCH2-PIB-B-PALPHAMEST

The title head-functionalized block copolymer was synthesized by first preparing a polyisobutylene carrying a (CH3)2C=CH2-head-group and -Cl end-group, and subsequently starting the block copolymerization of α-methylstyrene from the -Cl terminus. © 1979 Springer-Verlag.