Synthesis of star polystyrene by radical polymerization with 1,2,4,5-tetrakis(p-tert-butylphenylselenomethyl)benzene as a novel photoiniferter

被引：12
|
作者：
Kwon, TS [1 ]
Takagi, K [1 ]
Kunisada, H [1 ]
Yuki, Y [1 ]
机构：
[1] Nagoya Inst Technol, Dept Mat Sci & Engn, Showa Ku, Nagoya, Aichi 466, Japan
来源：
EUROPEAN POLYMER JOURNAL | 2003年 / 39卷 / 07期
关键词：
1,2,4,5-tetrakis(p-tert-butylphenylselenomethyl)benzene; photoiniferter; radical polymerization; star polystyrene;
D O I：
10.1016/S0014-3057(03)00016-8
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
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.
引用
收藏
页码：1437 / 1441
页数：5
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