Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

The effect of small additives of “Dead” macromolecules on the acceleration effect of homogeneous synthesis of polar polymers

The effect of small additives of “Dead” macromolecules on the acceleration effect of homogeneous... ISSN 0012-5008, Doklady Chemistry, 2008, Vol. 422, Part 1, pp. 240–243. © Pleiades Publishing, Ltd., 2008. Original Russian Text © L.A. Shcherbina, B.E. Geller, A.G. Kharitonovich, V.S. Khaleiko, 2008, published in Doklady Akademii Nauk, 2008, Vol. 422, No. 1, pp. 63–66. CHEMICAL TECHNOLOGY The Effect of Small Additives of “Dead” Macromolecules on the Acceleration Effect of Homogeneous Synthesis of Polar Polymers L. A. Shcherbina, B. E. Geller, A. G. Kharitonovich, and V. S. Khaleiko Presented by Academician Yu.B. Monakov February 28, 2008 Received March 21, 2008 DOI: 10.1134/S0012500808090103 This work demonstrates the acceleration effect of mers, e.g., 2-acrylamide-2-methylpropanesulfonic acid homogeneous free-radical synthesis of copolymers of (AMPS), sodium p-styrenesulfonate, and itaconic acid. acrylonitrile (PAN) in aprotic solvents upon addition to According to previous publication [6], as the mono- the reaction medium of small amounts of “dead” poly- mer conversion increases in the course of homogeneous mers similar to the synthesized ones, which was attrib- polymerization, the initiator efficiency decreases due to uted to the formation of macromolecule–primary free an increase in the viscosity of the reaction medium radical complexes enhancing the initiator efficiency (Franck–Rabinowitch effect, or cage effect), which was and kinetic chain initiation by the coordination radical attributed [7] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

The effect of small additives of “Dead” macromolecules on the acceleration effect of homogeneous synthesis of polar polymers

Download PDF
4 pages

Loading next page...
 
/lp/springer-journals/the-effect-of-small-additives-of-dead-macromolecules-on-the-gK21xDm0l3

References (4)

Publisher
Springer Journals
Copyright
Copyright © 2008 by MAIK Nauka
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/S0012500808090103
Publisher site
See Article on Publisher Site

Abstract

ISSN 0012-5008, Doklady Chemistry, 2008, Vol. 422, Part 1, pp. 240–243. © Pleiades Publishing, Ltd., 2008. Original Russian Text © L.A. Shcherbina, B.E. Geller, A.G. Kharitonovich, V.S. Khaleiko, 2008, published in Doklady Akademii Nauk, 2008, Vol. 422, No. 1, pp. 63–66. CHEMICAL TECHNOLOGY The Effect of Small Additives of “Dead” Macromolecules on the Acceleration Effect of Homogeneous Synthesis of Polar Polymers L. A. Shcherbina, B. E. Geller, A. G. Kharitonovich, and V. S. Khaleiko Presented by Academician Yu.B. Monakov February 28, 2008 Received March 21, 2008 DOI: 10.1134/S0012500808090103 This work demonstrates the acceleration effect of mers, e.g., 2-acrylamide-2-methylpropanesulfonic acid homogeneous free-radical synthesis of copolymers of (AMPS), sodium p-styrenesulfonate, and itaconic acid. acrylonitrile (PAN) in aprotic solvents upon addition to According to previous publication [6], as the mono- the reaction medium of small amounts of “dead” poly- mer conversion increases in the course of homogeneous mers similar to the synthesized ones, which was attrib- polymerization, the initiator efficiency decreases due to uted to the formation of macromolecule–primary free an increase in the viscosity of the reaction medium radical complexes enhancing the initiator efficiency (Franck–Rabinowitch effect, or cage effect), which was and kinetic chain initiation by the coordination radical attributed [7]

Journal

Doklady Chemistry – Springer Journals

Published: Sep 23, 2008

There are no references for this article.