Molecular-weight characteristics and deemulsifying activity of oligourethanes based on alkylene oxide block copolymers and propylene oxide homopolymers prepared in the presence of a double metal cyanide catalyst

Molecular-weight characteristics and deemulsifying activity of oligourethanes based on alkylene... The molecular-weight characteristics of Laprol 6003-2B-18, of oligourethanes based on it, and of a new series of propylene oxide homopolymers prepared using a double metal cyanide catalyst were determined. This catalyst allows synthesis of polyethers whose molecular-weight distribution width smoothly varies with the molecular weight. The polyethers were tested for the deemulsifying activity. The tests showed that high-molecular-weight polyethers ensure high degree of dehydration of crude oil emulsions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Molecular-weight characteristics and deemulsifying activity of oligourethanes based on alkylene oxide block copolymers and propylene oxide homopolymers prepared in the presence of a double metal cyanide catalyst

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427212100230
Publisher site
See Article on Publisher Site

Abstract

The molecular-weight characteristics of Laprol 6003-2B-18, of oligourethanes based on it, and of a new series of propylene oxide homopolymers prepared using a double metal cyanide catalyst were determined. This catalyst allows synthesis of polyethers whose molecular-weight distribution width smoothly varies with the molecular weight. The polyethers were tested for the deemulsifying activity. The tests showed that high-molecular-weight polyethers ensure high degree of dehydration of crude oil emulsions.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Nov 16, 2012

References

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