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Thermal and Thermooxidative Degradation of Blends Based on Polylactide and Polyethylene

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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… Click to show full abstract

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.

Keywords: thermooxidative degradation; degradation blends; polyethylene; blends based; degradation; based polylactide

Journal Title: Russian Metallurgy (Metally)
Year Published: 2020

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