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Rheo-optical Fourier transform infrared spectroscopy of a liquid-crystalline block copolymer

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Summary

In the present rheo-optical experiments FTIR polarization spectroscopy was used to investigate the orientational behaviour of the different constituents of an LC block copolymer (copolyester imide) during uniaxial elongation at different temperatures. The results exhibit differences in the degree of alignment as well as in the response to the application of the mechanical load. With increasing temperature the level of the applied stress and the induced orientation decrease, while the differences in the orientational behaviour of the mesogen and the flexible spacer are retained.

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Authors and Affiliations

  1. Department of Physical Chemistry, University of Essen, D-45117, Essen, Germany

    I. Zebger & H. W. Siesler

  2. Institute of Polymer Research Dresden, Hohe Strasse 6, D-01069, Dresden, Germany

    D. Pospiech, F. Böhme & K. J. Eichhorn

Authors
  1. I. Zebger
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  2. D. Pospiech
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  3. F. Böhme
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  4. K. J. Eichhorn
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  5. H. W. Siesler
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Zebger, I., Pospiech, D., Böhme, F. et al. Rheo-optical Fourier transform infrared spectroscopy of a liquid-crystalline block copolymer. Polymer Bulletin 36, 87–94 (1996). https://doi.org/10.1007/BF00296012

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  • DOI: https://doi.org/10.1007/BF00296012

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