Theoretical interpretation of the swelling of elastomers

The swelling dilation moduli reported in the preceding paper are here analyzed with use of a recently proposed theory of rubber elasticity. The theory predicts that the elastic equation of state is dependent on solution thermodynamic parameters, in agreement with the observations. It is successful i...

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Bibliographic Details
Published in:Macromolecules 1992-12, Vol.25 (25), p.6996-7002
Main Authors: Zhao, Yanqun, Eichinger, B. E
Format: Article
Language:English
Subjects:
Applied sciences
Effects
Elasticity
Equations of state of solids
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Solutions
Solvents
Swelling
Theory
Thermal and thermodynamic properties
Thermodynamics
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Summary:The swelling dilation moduli reported in the preceding paper are here analyzed with use of a recently proposed theory of rubber elasticity. The theory predicts that the elastic equation of state is dependent on solution thermodynamic parameters, in agreement with the observations. It is successful in accounting for the solvent effects, which is a step forward; it also succeeds in predicting that the Mooney-Rivlin C sub(2) term decreases with increasing extent of swelling. Unfortunately, agreement with experiment cannot be achieved with a single consistent set of parameters. Further progress on the theory of rubber elasticity is needed to understand the swelling process completely, and a suggestion is made as to where this advance might be found.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma00051a042