Phase equilibria and solution thermodynamics of the ternary system, poly(acrylic acid) - dioxane - water

J. M G Cowie, B. Swinyard

Research output: Contribution to journalArticle

Abstract

Poly(acrylic acid) dissolves slowly in dry dioxane, but the process is rapidly accelerated by the presence of very small quantities of water. As this appears to alter the solvating abilities of the liquid to such a marked extent it was decided to examine the behaviour of the polymer in controlled, water/dioxane mixtures. Results show that the increase in the quasi-LCST with added water reflects the growing number of these stronger polymer-water solvation interactions which will take more thermal energy to disrupt and so help maintain the stability of one-phase solutions to higher temperatures.

Original languageEnglish
Pages (from-to)481-482
Number of pages2
JournalPolymer Preprints
Volume32
Issue number1
Publication statusPublished - Apr 1991
EventAtlanta Meeting 1991 of the ACS - Atlanta, GA, United States
Duration: 14 Apr 199119 Apr 1991

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