Effect of tertiary diamines on anionic polymerization of polar vinyl monomers

被引：20

作者：

Marchal, J ^{[1
]}

Gnanou, Y ^{[1
]}

Fontanille, M ^{[1
]}

机构：

[1] UNIV BORDEAUX 1,CNRS,UNITE MIXTE ENSCPB,LAB CHIM POLYMERES ORGAN,F-33405 TALENCE,FRANCE

来源：

MACROMOLECULAR SYMPOSIA | 1996年 / 107卷

关键词：

D O I：

10.1002/masy.19961070105

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Tertiary diamines that exhibit chelating capability to lithium are shown to decrease the reactivity of growing species when used in classical anionic polymerization of methacrylic monomers. Out of the different diamines investigated, sparteine turns out to be the most efficient chelating agent. The beneficial effect of the latter additives on the overall reactivity of methacrylic anions was exploited to prepare poly(MMA) samples of controlled size at room temperature. The decrease in reactivity was also demonstrated from a kinetic point of view, upon measuring the actual rate constant of propagation using vinyl pyridine as model monomer.

引用

页码：27 / 41

页数：15

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