SPECTROSCOPIC STUDY OF ANOMALOUS STRUCTURES FORMED IN THE PRODUCTION OF SKI-3 RUBBER.

被引：0
|
作者：
Nel'son, K.V.
Solodovnikova, G.A.
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来源：
Bell System Technical Journal | 1972年 / 31卷 / 04期
关键词：
POLYMERIZATION; -; SPECTROSCOPY; INFRARED;
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摘要：
A study is described of the reason for the formation of insoluble secondary structures in industrial polymerisation of polyisoprene using a Ziegler-Natta catalyst (SKI-3 is high-cis stereoregular polyisoprene). It was found that cis-trans-isomerisation and partial crosslinking of the molecular chains occur. The content of cis-1,4 units in the soluble rubber SKI-3, in the dense gel and in the 'grit' are 93, 65 and 45% respectively.
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