Davidyants Nikita G., Irina Yu. Gorbunova, Stepan V. Polunin, Tatyana P. Kravchenko, Alexey V. Khoroshilov
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Effect of SEBS-g-MA on recycled PS/HDPE blend miscibility
The article presents the results of thermal, rheological, and structural studies of a recycled polystyrene and recycled polyethylene blend by modifying it with maleinated styrene-ethylene-butylene-styrene thermoplastic elastomer as a compatibilizer. Thermal analysis showed that the introduction of a compatibilizer did not significantly affect the value of the glass transition temperatures of the composites, which indicates their stability. Thermogravimetric analysis showed an increase in the temperature of the onset of thermal degradation with the introduction of 2.5 wt.% of maleinated thermoplastic elastomer from 307 to 321 °C. Scanning electron microscopy images confirmed an improvement in the uniformity of the resulting blend structure with the introduction of maleinated thermoplastic elastomer. Blends of the studied recycled polymers with the introduction of a compatibilizer have a 3.5-fold increased impact strength compared to non-compatibilized blend.
期刊介绍:
Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.