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Reptation model in polymer melt rheology: On the validity of a useful basic assumption

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Abstract

A mixing rule as suggested by the Doi-Edwards theory is checked experimentally. For this purpose, the dynamic shear moduli as functions of circular frequency are measured first for the melts of a series of polystyrenes of narrow molecular mass distributions. After the careful preparation of mixtures the same moduli are also determined for these mixtures. A discussion is given of the remarkable but limited validity of the additivity of contributions by the single macromolecules to the mentioned moduli.

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Authors and Affiliations

  1. Physikalische Chemie Universität Linz, A-4040, Linz-Auhof, Austria

    A. Schausberger, G. Schindlauer & H. Janeschitz-Kriegl

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  1. A. Schausberger
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  2. G. Schindlauer
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  3. H. Janeschitz-Kriegl
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Dedicated to Prof. J. Schurz, Graz, on the occasion of his 60th birthday.

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Schausberger, A., Schindlauer, G. & Janeschitz-Kriegl, H. Reptation model in polymer melt rheology: On the validity of a useful basic assumption. Rheol Acta 22, 550–556 (1983). https://doi.org/10.1007/BF01351401

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  • DOI: https://doi.org/10.1007/BF01351401

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