Application of network models to physical gels

Macromolecular Symposia - Tập 93 Số 1 - Trang 187-194 - 1995
Allan Clark1, Katsuyoshi Nishinari2, Simon B. Ross‐Murphy3, Mineo Watase4
1Unilever Research, Colworth House, Sharnbrook, Bedford MK44 1LQ, Great Britain
2Faculty of Human Life Science, Osaka City University, 3–138 Sugimoto. 3-Chome Sumiyoshiku, Osaka 558, Japan
3Division of Life Sciences, King's College, Campden Hill Road, London W8 7AH, Great Britain
4Faculty of Liberal Arts, Shizuoka University, Ohya, Shizuoka 422, Japan

Tóm tắt

AbstractThere are a number of physical models which describe properties of physical gels, such as the time dependence of viscoelastic properties, stress‐strain dependence, and the concentration dependence of gel(ation) time and of gel modulus. One of the latter, due to ourselves, has been useful for fitting data for a number of systems including PVC and gelatin gels. However one of its limitations is that it has three “molecular” parameters, and only infrequently can these be estimated from independent experiment. In some cases a better way of testing the model's viability is to compare data concurrently for different concentrations and molecular weights in a surface fit. This paper reviews earlier work and illustrates the extended technique applied to new data for agarose and PVA gels.

Từ khóa


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Macromolecular Symposia

Tập 93 Số 1

187-194

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