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Rheo-optical fourier transform IR spectroscopy of polyurethane elastomers

1. Principle of the method and measurements at ambient temperature

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Summary

Rheo-optical FTIR spectroscopy has emerged as an extremely valuable tool to study deformation phenomena in polymeric solids. With the aid of a specially designed stretching apparatus short-time spectroscopic and mechanical data can be obtained simultaneously during the deformation and relaxation of polymers.

Polyurethanes are particularly suited to such investigations because they contain functional groups with characteristic IR absorptions which can be assigned to specific domain locations of the polymer.

Apart from a general introduction to the principle of the technique and its application to polyurethanes the data obtained with a series of three model polyester urethanes of different hard and soft segment content at ambient temperature are discussed in terms of the segmental orientation induced during uniaxial elongation and recovery.

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Authors and Affiliations

  1. Bayer AG, Werk Dormagen, Forschung und Entwicklung, Postfach 1140, D-4047, Dormagen, Germany

    H. W. Siesler

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  1. H. W. Siesler
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In memoriam Prof. Dr. Otto Bayer

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Siesler, H.W. Rheo-optical fourier transform IR spectroscopy of polyurethane elastomers. Polymer Bulletin 9, 382–389 (1983). https://doi.org/10.1007/BF00265317

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  • DOI: https://doi.org/10.1007/BF00265317

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