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The effect of melting point distributions on DSC melting peaks

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Summary

We have investigated the influence of scanning rate on the form of DSC melting curves in semicrystalline polymers in which the melting point varies spatially within the sample. A numerical solution for the heat balance in the sample cell was used, taking into account heat absorbed during the melting transition for a given sample mass. The simulation accounted well for the effects of scanning rate on the shape of the DSC peak for polyoxymethylene samples crystallized above 150°C, which were assumed to be free from effects arising from lamellar thickening during the scan.

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Authors and Affiliations

  1. Laboratoire de Polymères, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Switzerland

    C. J. G. Plummer & H. -H. Kausch

Authors
  1. C. J. G. Plummer
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  2. H. -H. Kausch
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Plummer, C.J.G., Kausch, H.H. The effect of melting point distributions on DSC melting peaks. Polymer Bulletin 36, 355–360 (1996). https://doi.org/10.1007/BF00319237

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  • DOI: https://doi.org/10.1007/BF00319237

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