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Synthesis of a polystyrene-arm-polybutadiene-arm-poly(methyl methacrylate) triarm star copolymer

✍ Scribed by Hanno Hückstädt; Volker Abetz; Reimund Stadler

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
362 KB
Volume
17
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

The straightforward synthesis of a polystyrene‐arm‐polybutadiene‐arm‐poly(methyl methacrylate) triarm star copolymer has been successfully realized by a sequence of reactions which involves the sequential addition of a living polybutadienyllithium to a polystyrene macromonomer with a terminal 1,1‐diphenylethylene unit and subsequent polymerization of methyl methacrylate. The high‐molecular‐weight polystyrene‐arm‐polybutadiene‐arm‐poly(methyl methacrylate) star copolymer shows microphase separation into three phases.

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