Dynamics of lightly sulfonated polystyrene ionomers

R. H. Colby; X. Zheng; M. H. Rafailovich; J. Sokolov; D. G. Peiffer; S. A. Schwarz; Y. Strzhemechny; D. Nguyen

doi:10.1103/PhysRevLett.81.3876

Dynamics of lightly sulfonated polystyrene ionomers

R. H. Colby, X. Zheng, M. H. Rafailovich, J. Sokolov, D. G. Peiffer, S. A. Schwarz, Y. Strzhemechny, D. Nguyen

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Abstract

The tracer diffusion coefficients of both ion-containing polymer chains and their associated counterions were measured in lightly sulfonated ionomers as a function of temperature, ion content, and chain length. The data are shown to be in good agreement with relaxation times derived from viscoelastic measurements at high temperatures. The results are interpreted in terms of a reptation model, modified to account for the additional constraints on individual chain motion imposed by the associating ion pairs.

Original language	English (US)
Pages (from-to)	3876-3879
Number of pages	4
Journal	Physical review letters
Volume	81
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.81.3876
State	Published - Nov 2 1998

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.81.3876

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author = "Colby, {R. H.} and X. Zheng and Rafailovich, {M. H.} and J. Sokolov and Peiffer, {D. G.} and Schwarz, {S. A.} and Y. Strzhemechny and D. Nguyen",

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AU - Colby, R. H.

AU - Zheng, X.

AU - Rafailovich, M. H.

AU - Sokolov, J.

AU - Peiffer, D. G.

AU - Schwarz, S. A.

AU - Strzhemechny, Y.

AU - Nguyen, D.

PY - 1998/11/2

Y1 - 1998/11/2

N2 - The tracer diffusion coefficients of both ion-containing polymer chains and their associated counterions were measured in lightly sulfonated ionomers as a function of temperature, ion content, and chain length. The data are shown to be in good agreement with relaxation times derived from viscoelastic measurements at high temperatures. The results are interpreted in terms of a reptation model, modified to account for the additional constraints on individual chain motion imposed by the associating ion pairs.

AB - The tracer diffusion coefficients of both ion-containing polymer chains and their associated counterions were measured in lightly sulfonated ionomers as a function of temperature, ion content, and chain length. The data are shown to be in good agreement with relaxation times derived from viscoelastic measurements at high temperatures. The results are interpreted in terms of a reptation model, modified to account for the additional constraints on individual chain motion imposed by the associating ion pairs.

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JF - Physical review letters

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Dynamics of lightly sulfonated polystyrene ionomers

Abstract

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