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Thermoanalytical investigations of self-reinforced polyethylene

  • Papers Presented at the Seminar on Modern Application of Thermal Analysis
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Abstract

The mechanical properties of the self-reinforced polyethylene increase due to the formation of a shish-kebab structure.

Thermal analysis demonstrated that high-strength-PE has a heat deflection temperature 20‡C higher than normal PE. The DSC analyses showed that the presence of a crystalline structure exhibits high thermal stability. This structural form does not relax at high temperatures as is shown by the fact that upon re-crystallization there were enough stable nuclei to build a similar crystalline structure.

Zusammenfassung

Die Sseigerung der mechanischen Eigenschaften von eigenverstÄrktem Polyethylen (PE-HD) wird durch die Ausbildung einer Shish-Kebab-Struktur erreicht.

Die durchgeführten thermo-analytischen Untersuchungen weisen für das hochfeste PEHD gegenüber normalen PE-HD eine um 20‡C höhere WÄrmeformbestÄndigkeit nach. Die DSC-Untersuchungen zeigen, da\ eine kristalline Struktur hoher thermischer StabilitÄt existiert. Diese morphologische Form relaxiert bei höheren Temperaturen nicht sofort; bei der Rekristallisation sind genügend stabile Keime vorhanden, um wieder eine Ähnliche Kristallstruktur zu bilden.

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References

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Author information

Authors and Affiliations

  1. Zentrum für Kunststofftechnik Friedrich-Alexander-University, Erlangen-Nürnberg, Germany

    M. Prox, B. Pomnimit, J. Varga & G. W. Ehrenstein

  2. Technical University of Budapest, Budapest, Hungary

    J. Varga

Authors
  1. M. Prox
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  2. B. Pomnimit
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  3. J. Varga
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  4. G. W. Ehrenstein
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Additional information

The authors would like to thank Professor J. Petermann (TU Hamburg-Harburg) and Professor A. J. McHugh (University of Illinois) for their help in explaining the morphology and especially Mr. D. Tree, M. Sc. (University of Illinois) for the correction of the manuscript.

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Prox, M., Pomnimit, B., Varga, J. et al. Thermoanalytical investigations of self-reinforced polyethylene. Journal of Thermal Analysis 36, 1675–1684 (1990). https://doi.org/10.1007/BF01913414

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  • DOI: https://doi.org/10.1007/BF01913414

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