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Untersuchung der isothermen Kristallisation von Äthylen-Vinylacetat-Copolymeren mit Hilfe der Differential-Scanning-Calorimetrie

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Zusammenfassung

Die isotherme Kristallisation von Äthylen-Vinylacetat-Copolymeren verschiedener Zusammensetzung und verschiedenen Molekulargewichts aus der Schmelze wird bei Unterkühlungen zwischen etwa 10 und 30 Grad differentialkalorimetrisch untersucht. Es zeigte sich, daß sowohl die Kristallisationskinetik als auch der erreichbare Kristallinitätsgrad von Zusammensetzung und

Summary

The isothermal crystallization from the melt of ethylene vinyl acetate copolymers with different compositions and different molecular weights is investigated at supercoolings between 10 and 30 degrees by means of Differential Scanning Calorimetry. It was observed that the crystallization kinetics as well as the maximum degree of crystallinity depend both on composition and on molecular weight. The crystallization kinetics does not followAvrami's equation. The deviations are discussed.

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Author notes

  1. U. Johnsen & G. Nachtrab

    Present address: Deutsches Kunststoff-Institut, Schloßgartenstr. 6R, 6100, Darmstadt, Dr H. G. Zachmann

  2. H. G. Zachmann

    Present address: Institut für Physikalische Chemie der Universität, Jakob-Welder-Weg 15, 6500, Mainz

Authors and Affiliations

  1. Deutsches Kunststoff-Institut, Schloßgartenstr. 6R, 6100, Darmstadt, Dr H. G. Zachmann

    H. G. Zachmann

Authors
  1. U. Johnsen
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  2. G. Nachtrab
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  3. H. G. Zachmann
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Additional information

Herrn Professor Dr.K.-H. Hellwege zum 60. Geburtstag gewidment.

Mit 7 Abbildungen in 8 Einzeldarstellungen und 1 Tabelle

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Johnsen, U., Nachtrab, G. & Zachmann, H.G. Untersuchung der isothermen Kristallisation von Äthylen-Vinylacetat-Copolymeren mit Hilfe der Differential-Scanning-Calorimetrie. Kolloid-Z.u.Z.Polymere 240, 756–761 (1970). https://doi.org/10.1007/BF02160071

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  • DOI: https://doi.org/10.1007/BF02160071

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