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Ziegler-Natta catalysts and the reactive centres composition during the stereospecific polymerization of α-olefins

Authors
Journal
Polymer Science U S S R
0032-3950
Publisher
Elsevier
Publication Date
Volume
22
Issue
10
Identifiers
DOI: 10.1016/0032-3950(80)90152-5

Abstract

Abstract The chemisorption of (CH 3) 2AlCl on the crystal surfaces of the α- and β-modifications of TiCl 3 have been calculated by the “atom-atom” potentials method. The reactive centres were found to have the same composition for 80% α-TiCl 3 and 30% β-TiCl 3; their amounts diminished when the temperature was raised. These results agree with those given in the literature about the yields of stereospecific α-olefin polymers over the catalytic systems containing the α- and β-forms of TiCl 3.

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