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Thermal and Thermooxidative Degradation of Blends Based on Polylactide and Polyethylene

  • APPLIED PROBLEMS OF STRENGTH AND PLASTICITY
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Russian Metallurgy (Metally) Aims and scope

Abstract

The thermal stability of the blends based on polylactide and low-density polyethylene of various compositions is studied. A decrease in the degradation temperature is observed with an increase in the polylactide content in samples (from 414°C for 100% polyethylene to 364°C for 100% polylactide). The influence of aged polyethylene on the thermooxidative degradation of the blends containing 30 wt % polylactide is studied. The third component (aged polyethylene) is determined to accelerate the initial oxidation stage.

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ACKNOWLEDGMENTS

This work was carried out using the equipment of the Centers for Collective Use “Novel Materials and Technologies” at the Emanuel Institute of Biochemical Physics (Russian Academy of Sciences) and “Scientific Equipment” at the Plekhanov Russian University of Economics.

Funding

This work was carried out in terms of state assignment no. 1201253305 for the Emanuel Institute of Biochemical Physics (Russian Academy of Sciences), theme 44.3 “Polymer Materials Science: Kinetics and Mechanism of Chemical and Physical Processes in Polymers, Composites, and Biological Systems.”

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Authors and Affiliations

  1. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, 119334, Moscow, Russia

    M. V. Podzorova & Yu. V. Tertyshnaya

  2. Plekhanov Russian University of Economics, 117997, Moscow, Russia

    M. V. Podzorova

Authors
  1. M. V. Podzorova
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  2. Yu. V. Tertyshnaya
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Correspondence to M. V. Podzorova.

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Translated by E. Yablonskaya

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Podzorova, M.V., Tertyshnaya, Y.V. Thermal and Thermooxidative Degradation of Blends Based on Polylactide and Polyethylene. Russ. Metall. 2020, 1182–1185 (2020). https://doi.org/10.1134/S0036029520100213

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  • DOI: https://doi.org/10.1134/S0036029520100213

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