Synthesis and properties of epoxy derivatives of syndiotactic 1,2-polybutadiene

Synthesis and properties of epoxy derivatives of syndiotactic 1,2-polybutadiene Samples of modified 1,2-polybutadiene were prepared by the reaction of the polymer with peracetic acid or tert-butyl hydroperoxide in the presence of a catalyst, hexacarbonylmolybdenum. The hydrodynamic characteristics of dilute solutions and the rheological properties of concentrated solutions of the starting and epoxidized polydiene in hydrocarbon solvents were studied. The Huggins constant K x, second virial coefficient A 2, root-mean-square size of macromolecular coils $$(\overline {R^2 } )^{1/2} $$ , and the enthalpy, entropy, and Gibbs energy of activation of the viscous flow of solutions of the starting and modified polydiene were estimated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Synthesis and properties of epoxy derivatives of syndiotactic 1,2-polybutadiene

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427206080179
Publisher site
See Article on Publisher Site

Abstract

Samples of modified 1,2-polybutadiene were prepared by the reaction of the polymer with peracetic acid or tert-butyl hydroperoxide in the presence of a catalyst, hexacarbonylmolybdenum. The hydrodynamic characteristics of dilute solutions and the rheological properties of concentrated solutions of the starting and epoxidized polydiene in hydrocarbon solvents were studied. The Huggins constant K x, second virial coefficient A 2, root-mean-square size of macromolecular coils $$(\overline {R^2 } )^{1/2} $$ , and the enthalpy, entropy, and Gibbs energy of activation of the viscous flow of solutions of the starting and modified polydiene were estimated.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Sep 28, 2006

References

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