Polymerization of isoprene with cobalt catalysts View Full Text


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Article Info

DATE

2014-01

AUTHORS

V. A. Yakovlev, I. F. Gavrilenko, N. N. Glebova, G. N. Bondarenko

ABSTRACT

The polymerization of isoprene with catalytic systems efficient for the cis polymerization of butadiene, i.e., cobalt 2-ethyl hexanoate-diethylaluminum chloride and cobalt 2-ethyl hexanoate-ethylaluminum sesquichloride, is studied. The catalysts are obtained via in situ mixing of the components or at a reduced temperature (0–5°C) in the presence of a small amount of the monomer. In situ polymerization proceeds with an induction period, whose duration depends on the polymerization conditions, or without this period if a preformed catalyst is used. In each case, the resulting polymer is characterized by a mixed microstructure with a predominant content of cis-1,4 units and 3,4 units. More... »

PAGES

31-34

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1560090414010126

DOI

http://dx.doi.org/10.1134/s1560090414010126

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1010518184


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