Abstract
Abstractα,ω‐Di(iodo)poly(2‐ethylhexyl acrylate)s [α,ω‐di(iodo)P2EHAs] with number‐average molecular weights of 13,700 and 20,400 were synthesized by the single‐electron‐transfer/degenerative‐chain‐transfer mediated living radical polymerization (SET–DTLRP) of 2‐ethylhexyl acrylate initiated with iodoform and catalyzed by sodium dithionite in water at 23 and 30 °C. These α,ω‐di(iodo)P2EHAs were used as macroinitiators for the SET–DTLRP of vinyl chloride, which was carried out under similar reaction conditions to synthesize ABA block copolymers containing poly(vinyl chloride) in the A blocks and poly(2‐ethylhexyl acrylate) in the B block. Poly(vinyl chloride)‐b‐poly(2‐ethylhexyl acrylate)‐b‐poly(vinyl chloride) was synthesized with 100% initiator efficiency. This synthetic method provides for the first time access to a diversity of block copolymers and other complex architectures based on combinations of thermoplastic poly(vinyl chloride)and elastomeric polyacrylates. © 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 43: 2276–2280, 2005
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