Synthesis of diblock copolymers by end functional polystyrene containing phenylseleno groups as polymeric photoiniferter

被引：6

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 4668555, Japan

来源：

JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 2002年 / A39卷 / 09期

关键词：

diphenyl diselenide; beta-phenylethyl p-tert-butylphenyl selenide; 1,4-bis(p-tert-butylphenyl) diselenide; radical polymerization; photoiniferter; polymeric photoiniferter; block copolymer;

D O I：

10.1081/MA-120013575

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Block copolymers of styrene and p-substituted styrene were prepared by photopolymerization of p-bromostyrene or p-methylstyrene in the presence of end functional polystyrene (DPDSE-PST) containing phenylseleno groups at the alpha and omega-chain ends as polymeric photoiniferter. To determine the form of resulting block copolymers, the behavior of chain terminals of DPDSE-PST was investigated. The ability of photoinitiate and chain transfer of P-phenylethyl p-tert-butylphertyl selenide as a model compound of alpha-chain end of DPDSE-PST was much smaller than that of benzyl phenyl selenide as a model compound of omega-chain end of DPDSE-PST. On the other hand, the polymerization of styrene, prepared by 1,4-Bis(p-tert-butylphenyl) diselenide as photoiniferter, with styrene also revealed a form of the resulting block copolymer was an AB block structure.

引用

页码：991 / 1006

页数：16

共 17 条

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