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Theory of pseudo cross-link

3. Rheological behavior

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Summary

Stress-relaxation, creep and stress-strain relations are discussed in terms of pseudo cross-link concept. The decrease of cross-links by the stress or strain leads to an equation similar to the Mooney-Rivlin equation. Viscous flow is also an important factor decreasing the cross-sectional area of the specimen and the chain-extension. Viscosity much decreases with increasing rate of extension and temperature. Filler ingredient plays roles of not only enchancing the chain strain but also providing the pseudo cross-link due to adsorption of the rubber on the filler surface.

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References

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  2. Rivlin, R.S., Phil. Trans. Roy, Soc. London, Ser A, 241, 379 (1948)

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Furukawa, J. Theory of pseudo cross-link. Polymer Bulletin 10, 336–342 (1983). https://doi.org/10.1007/BF00281945

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  • DOI: https://doi.org/10.1007/BF00281945

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