Radical polymerization of styrene initiated by poly(ethylene oxide) macroinitiators

Segmented poly(ethylene oxide) macroinitiators containing bistrialkylbenzopinacolate groups were used to initiate radical polymerization of styrene. A polystyrene-PEO block copolymer is formed by the incorporation of the PEO macroinitiator. The PEO fraction in the copolymer decreases with increasing...

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Bibliographic Details
Published in:European polymer journal 1992-10, Vol.28 (10), p.1263-1268
Main Authors: Santos, Ramiro Guerrero, Chaumont, Philippe R., Herz, Jean E., Beinert, Gérard J.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physical Sciences
Physicochemistry of polymers
Polymer Science
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
Science & Technology
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Summary:Segmented poly(ethylene oxide) macroinitiators containing bistrialkylbenzopinacolate groups were used to initiate radical polymerization of styrene. A polystyrene-PEO block copolymer is formed by the incorporation of the PEO macroinitiator. The PEO fraction in the copolymer decreases with increasing polymerization yields. Since the molecular weight of the macroinitiator is low, the incorporated PEO fraction is necessarily small in high molecular weight copolymers.
ISSN:0014-3057
1873-1945
DOI:10.1016/0014-3057(92)90216-O