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Synthesis of a Novel ABC Triblock Copolymer with a Rigid-Rod Block via Atom Transfer Radical Polymerization

✍ Scribed by Hailiang Zhang; Xiaoyi Sun; Xiayu Wang; Qi-Feng Zhou

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 154 KB
Volume: 26
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.200400506

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✦ Synopsis

Abstract

Summary: A novel ABC triblock copolymer with a rigid‐rod block was synthesized by atom transfer radical polymerization (ATRP). First, a poly(ethylene oxide) (PEO)‐Br macroinitiator was synthesized by esterification of PEO with 2‐bromoisobutyryl bromide, which was subsequently used in the preparation of a poly(ethylene oxide)‐block‐poly(methyl methacrylate) (PEO‐b‐PMMA) diblock copolymer by ATRP. A poly(ethylene oxide)‐block‐poly(methyl methacrylate)‐block‐poly{2,5‐bis[(4‐methoxyphenyl)oxycarbonyl]styrene} (PEO‐b‐PMMA‐b‐PMPCS) triblock copolymer was then synthesized by ATRP using PEO‐b‐PMMA as a macroinitiator.

ABC triblock copolymer with a rigid‐rod block.

magnified imageABC triblock copolymer with a rigid‐rod block.

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