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Control of molecular inconsistency of 1,4-trans-polydienes by variation of the composition of vanadium-titanium catalyst

Control of molecular inconsistency of 1,4-trans-polydienes by variation of the composition of... ISSN 0012-5008, Doklady Chemistry, 2009, Vol. 426, Part 2, pp. 134–137. © Pleiades Publishing, Ltd., 2009. Original Russian Text © V.A. Rozentsvet, A.S. Khachaturov, Yu.B. Monakov, 2009, published in Doklady Akademii Nauk, 2009, Vol. 426, No. 5, pp. 635–638. CHEMISTRY Control of Molecular Inconsistency of 1,4-trans-Polydienes by Variation of the Composition of Vanadium–Titanium Catalyst a b c V. A. Rozentsvet , A. S. Khachaturov , and Academician Yu. B. Monakov Received December 31, 2008 DOI: 10.1134/S0012500809060068 Ternary catalytic systems containing vanadium and Al : V ratios: PI-1, 0; PI-2, 0.5; PI-3, 4.0; PI-4, 10.0. titanium chlorides and triisobutylaluminum (TIBA) are Polymerization conditions: 50°C, [VOCl ] = 0.005, classical industrial catalysts of 1,4-trans-polymeriza- c = 1.0 mol/L, toluene as the solvent, monomer con- tion of 1,3-dienes [1]. There is a necessity to control the version 50–60 wt %. Polymer hydrogenation was car- molecular inconsistency of the produced polymer as ried out by p-toluenesulfonylhydrazide [6]. The molec- regards the molecular weight distribution (MWD) and ular parameters of the polymers were determined on a microstructure. Previous studies [2, 3] demonstrated Waters GPC 2000 liquid chromatograph. NMR spectra the possibility of changing the content of trans-1,4 were measured on a Bruker AM 500 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Control of molecular inconsistency of 1,4-trans-polydienes by variation of the composition of vanadium-titanium catalyst

Rozentsvet, V.; Khachaturov, A.; Monakov, Yu.
Doklady Chemistry , Volume 426 (2) – Jun 18, 2009
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References (4)

Publisher
Springer Journals
Copyright
Copyright © 2009 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/S0012500809060068
Publisher site
See Article on Publisher Site

Abstract

ISSN 0012-5008, Doklady Chemistry, 2009, Vol. 426, Part 2, pp. 134–137. © Pleiades Publishing, Ltd., 2009. Original Russian Text © V.A. Rozentsvet, A.S. Khachaturov, Yu.B. Monakov, 2009, published in Doklady Akademii Nauk, 2009, Vol. 426, No. 5, pp. 635–638. CHEMISTRY Control of Molecular Inconsistency of 1,4-trans-Polydienes by Variation of the Composition of Vanadium–Titanium Catalyst a b c V. A. Rozentsvet , A. S. Khachaturov , and Academician Yu. B. Monakov Received December 31, 2008 DOI: 10.1134/S0012500809060068 Ternary catalytic systems containing vanadium and Al : V ratios: PI-1, 0; PI-2, 0.5; PI-3, 4.0; PI-4, 10.0. titanium chlorides and triisobutylaluminum (TIBA) are Polymerization conditions: 50°C, [VOCl ] = 0.005, classical industrial catalysts of 1,4-trans-polymeriza- c = 1.0 mol/L, toluene as the solvent, monomer con- tion of 1,3-dienes [1]. There is a necessity to control the version 50–60 wt %. Polymer hydrogenation was car- molecular inconsistency of the produced polymer as ried out by p-toluenesulfonylhydrazide [6]. The molec- regards the molecular weight distribution (MWD) and ular parameters of the polymers were determined on a microstructure. Previous studies [2, 3] demonstrated Waters GPC 2000 liquid chromatograph. NMR spectra the possibility of changing the content of trans-1,4 were measured on a Bruker AM 500

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Doklady Chemistry – Springer Journals

Published: Jun 18, 2009

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