STUDIES ON MECHANICAL AND SWELLING BEHAVIOR OF POLYMER NETWORKS ON THE BASIS OF THE SCALING CONCEPT - 3. THE OSMOTIC COMPRESSIBILITY OF GELS.

M. Zrinyi, F. Horkay

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

In the reported experiments, the osmotic compressibility of chemically crosslinked poly(vinyl acetate) (PVAc) gels in equilibrium with pure diluent has been determined by the method of decreasing equilibrium swelling in different swelling agents. The concentration dependence of the osmotic compressibility has been found to follow a scaling law with an exponent which was greater than that predicted by the mean-field theory. A comparison has been made between the elastic moduli determined by unidirectional deformation measurements and the compressional moduli obtained from the osmotic compressibility data.

Original languageEnglish
Pages (from-to)815-823
Number of pages9
JournalJournal of polymer science. Part A-2, Polymer physics
Volume20
Issue number5
Publication statusPublished - May 1982

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Compressibility
Swelling
Gels
Polymers
Mean field theory
Scaling laws
Elastic moduli
Experiments

ASJC Scopus subject areas

  • Engineering(all)

Cite this

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abstract = "In the reported experiments, the osmotic compressibility of chemically crosslinked poly(vinyl acetate) (PVAc) gels in equilibrium with pure diluent has been determined by the method of decreasing equilibrium swelling in different swelling agents. The concentration dependence of the osmotic compressibility has been found to follow a scaling law with an exponent which was greater than that predicted by the mean-field theory. A comparison has been made between the elastic moduli determined by unidirectional deformation measurements and the compressional moduli obtained from the osmotic compressibility data.",
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