EFFECT OF ELECTROLYTES AND SURFACTANTS ON THE THERMOSEPARATION OF AN ETHYLENE-OXIDE PROPYLENE-OXIDE RANDOM COPOLYMER IN AQUEOUS-SOLUTION

Authors
CUNHA MT TJERNELD F CABRAL JMS AIRESBARROS MR
Citation
Mt. Cunha et al., EFFECT OF ELECTROLYTES AND SURFACTANTS ON THE THERMOSEPARATION OF AN ETHYLENE-OXIDE PROPYLENE-OXIDE RANDOM COPOLYMER IN AQUEOUS-SOLUTION, Journal of chromatography B. Biomedical sciences and applications, 711(1-2), 1998, pp. 53-60
Citations number
19
Categorie Soggetti
Chemistry Analytical","Biochemical Research Methods
Journal title
Journal of chromatography B. Biomedical sciences and applications
ISSN journal
13872273 → ACNP
Volume
711
Issue
1-2
Year of publication
1998
Pages
53 - 60
Database
ISI
SICI code
0378-4347(1998)711:1-2<53:EOEASO>2.0.ZU;2-F
Abstract
The thermoseparation of aqueous solutions of Breox 50 A 1000, an ethyl ene oxide-propylene oxide 50:50 (w/w) random copolymer, was studied. T he cloud-point diagram for Breox in water solution and the effects of electrolytes and surfactants on the cloud-point temperature (CPT) were determined. The Breox concentration in both phases after the thermose paration was followed with a reversed-phase HPLC method. The effects o f separation temperature and additives on phase composition were evalu ated. (C) 1998 Elsevier Science B.V. All rights reserved.