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Thermodynamic admissibility of the pompon model for branched polymers

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Abstract

The pompon model for branched polymers is re-formulated within a general framework of nonequilibrium thermodynamics. While the original model of McLeish and Larson is found to be thermodynamically admissible, nonequilibrium thermodynamics strongly suggests several model modifications. As an immediate consequence, a nonzero second normal-stress coefficient in shear flow is predicted by the modified pompon model.

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Authors and Affiliations

  1. ETH Zürich, Department of Materials Institute of Polymers, and Swiss Rheocenter, 8092 Zürich, Switzerland e-mail: hco@ifp.mat.ethz.ch, , , , , , CH

    Hans Christian Öttinger

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  1. Hans Christian Öttinger
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Received: 12 April 2000 Accepted: 11 September 2000

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Öttinger, H. Thermodynamic admissibility of the pompon model for branched polymers. Rheol. Acta 40, 317–321 (2001). https://doi.org/10.1007/s003970000159

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  • DOI: https://doi.org/10.1007/s003970000159

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