Journal
EUROPEAN POLYMER JOURNAL
Volume 39, Issue 7, Pages 1437-1441Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0014-3057(03)00016-8
Keywords
1,2,4,5-tetrakis(p-tert-butylphenylselenomethyl)benzene; photoiniferter; radical polymerization; star polystyrene
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1,2,4,5-Tetrakis(p-tert-butylphenylselenomethyl)benzene was synthesized and used as a tetrafunctional photoiniferter for the polymerization of styrene. Both the yield and the number average molecular weight ((M) over bar (n).) of polymers increased with reaction time and (M) over bar (n) linearly increased with yield of polymer. The polymerization of styrene using this novel photoiniferter permitted formation of star-shaped polystyrene containing arylseleno groups at the chain ends, and the average degree of functionality was 3.2. Photopolymerization of styrene with end-functional star polystyrene as polymeric photoiniferter afforded polystyrene having high molecular weight. (C) 2003 Elsevier Science Ltd. All rights reserved.
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