THE MECHANISM OF THE STEREOSPECIFIC POLYMERIZATION OF CONJUGATED DIENES - NEW INSIGHTS AND OPEN QUESTIONS

被引：0

作者：

PORRI, L ^{[1
]}

GIARRUSSO, A ^{[1
]}

RICCI, G ^{[1
]}

机构：

[1] IST CHIM MACROMOLEC,I-20133 MILAN,ITALY

来源：

VYSOKOMOLEKULYARNYE SOEDINENIYA SERIYA A & SERIYA B | 1994年 / 36卷 / 10期

关键词：

D O I：

暂无

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The mechanism controlling stereoregulation during the polymerization of dienes effected by Ziegler-Natta catalysts is discussed. We also elaborate on the structure of catalytic centers and the mechanism by which the monomer is coordinated to the allyl-metal bond and incorporated into it. The causes giving rise to anti-sin isomerization and formation of cis, trans, and 1,2 units in the polymer and specific features of the catalysis that result in the formation of iso- and syndiotactic structures in polydienes are considered.

引用

页码：1698 / 1711

页数：14

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