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Brillouin spectroscopy at the melt transition of poly-4-methyl-pentene-1: Discontinuous melting of superstructures?

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Summary

The elastic properties of Poly-4-methylpentene-1 around the melt transition have been studied by Brillouin spectroscopy. A discontinuous change of the sound velocity is observed in the melting region of 10 K indicating a rather discontinuous melting and formation of spherulites with sharp boundaries. Another result is that practically the final elastic properties of the spherulites appear already during their formation.

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Authors and Affiliations

  1. Fachbereich Physik der Universität des Saarlandes, 6600, Saarbrücken, Federal Republic of Germany

    J. K. Krüger, L. Peetz & H.-G. Unruh

  2. Abteilung Experimentelle Physik, Universität Ulm, 7900, Ulm, Federal Republic of Germany

    M. Pietralla

Authors
  1. J. K. Krüger
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  2. L. Peetz
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  3. M. Pietralla
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  4. H.-G. Unruh
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Krüger, J.K., Peetz, L., Pietralla, M. et al. Brillouin spectroscopy at the melt transition of poly-4-methyl-pentene-1: Discontinuous melting of superstructures?. Polymer Bulletin 4, 591–596 (1981). https://doi.org/10.1007/BF00256286

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  • DOI: https://doi.org/10.1007/BF00256286

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