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“Living” free radical copolymerization of styrene and N-vinylcarbazole

✍ Scribed by Heike Baethge; Sören Butz; Gudrun Schmidt-Naake

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
245 KB
Volume
18
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Poly[styrene‐co‐(N‐vinylcarbazole)] copolymers with controlled molecular weights and narrow polydispersities were synthesized by nitroxide‐mediated “living” free radical copolymerization using an initiator/capping agent system consisting of benzoyl peroxide (BPO) and the stable nitroxyl radical 2,2,6,6‐tetramethylpiperidine‐N‐oxyl (TEMPO). The copolymerization behaves in a “living” fashion and allows the synthesis of poly[styrene‐co‐(N‐vinylcarbazole)]/polystyrene block copolymers via a controlled chain‐extension reaction of the prepared copolymers with styrene.

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