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Rubber elasticity in relation to polyester networks

✍ Scribed by Wayne D. Cook

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
436 KB
Volume
14
Category
Article
ISSN
0014-3057

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✦ Synopsis

The equation of rubber elasticity has been applied to the dynamic shear modulus of styreneunsaturated polyester networks. Due to the non-ideal nature of the networks, the apparent front factor approached the theoretical value of 0.5 only when the crosslink density was low. At higher crosslink densities, it has been found that either the non-Gaussian theory of Smith or the steric interaction approach of Blanchard and Wooton satisfactorily describes the results.

πŸ“œ SIMILAR VOLUMES

The vapour pressure of solvent above swo
The vapour pressure of solvent above swollen polymer networks in relation to rubber elasticity theory
✍ G. Allen; P. Egerton; D.J. Walsh πŸ“‚ Article πŸ“… 1979 πŸ› Elsevier Science 🌐 English βš– 341 KB

The difference between the vapour pressure of solvent above swollen crosslinked polyurethanes and that above linear polyurethane solutions has been determined experimentally. Comparison of the data over a range of volume fractions of solvent has enabled an estimate to be made of the factor B/A, the

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Theoretical implications of the elastic modulus discontinuity in rubber networks
✍ David E. Hanson; C. M. Roland πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons 🌐 English βš– 278 KB

## Abstract The existence of a discontinuity in the modulus of rubber as the strain transitions from compression to extension is strongly suggested by multiple experiments. Classical rubber elasticity theories, however, do not admit such behavior. Here, we investigate a modification of the assumpti