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Interactions between the components in isotactic polypropylene blended with EPDM

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Abstract

The interaction of isotactic polypropylene with ethylene propylene diene terpolymer in their blends has been investigated by use of differential scanning calorimetry, dynamic mechanical analysis, wide- and small-angle x-ray scattering, and by investigating the nucleation and kinetics of crystallization of the iPP component under the polarization microscope. It is found, that the dispersion of the EPDM component in the iPP matrix is dependent on blend composition and is maximal at 10% EPDM content. An interface layer between the two components is formed by migration of iPP molecules into the EPDM phase. A model for this interface is proposed.

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  1. W. Wenig

    Present address: Laboratorium für Angewandte Physik, Universität Duisburg, Postfach 101503, 47048, Duisburg, FRG

Authors and Affiliations

  1. Laboratorium für Angewandte Physik, Universität Duisburg, Postfach 101503, 47048, Duisburg, FRG

    A. Wasiak

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  1. W. Wenig
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  2. A. Wasiak
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Wenig, W., Wasiak, A. Interactions between the components in isotactic polypropylene blended with EPDM. Colloid Polym Sci 271, 824–833 (1993). https://doi.org/10.1007/BF00652764

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  • DOI: https://doi.org/10.1007/BF00652764

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