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Characterization of multiphase polymer system nylon 6/ABS blends

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Abstract

Seven different ratios of blends from nylon 6 and acrylonitrile — butadiene — styrene (ABS) were prepared by melt blending. Thermal analysis of these blends was carried out by DSC and TG. It has been observed that blend ratios such as 50/50, 40/60, 25/75 and 15/85 of nylon 6/ABS were having more compatibility in comparison with other blends. It is evident from the study of glass transition temperature, melting point, heat of fusion, change of crystallinity and activation energy values. Thermogravimetric analysis shows a decreasing trend of pyrolysis temperature of these blends with the increase in ABS concentration. Melt flow index and density data are found to indicate better physical and flow characteristics in blends compared to pure nylon 6.

Zusammenfassung

Durch Mischschmelzen wurden Gemische aus Nylon 6 und Acrylnitril-Butadien-Styrol (ABS) mit sieben verschiedenen Zusammensetzungen hergestellt. Mittels DSC und TG wurde eine Thermoanalyse dieser Gemische durchgeführt. Es konnte festgestellt werden, daß Gemische mit Nylon 6/ABS Verhältnissen von 50/50, 40/60, 25/75 und 15/85 im Vergleich zu anderen Gemischen eine größere Kompatibilität besitzen, was aus der Betrachtung von Schmelzpunkt, Schmelzwärme und der Veränderung der Kristallinität und der Aktivierungsenergiewerte eindeutig hervorgeht. TG zeigt für die Pyrolysetemperatur dieser Gemische mit zunehmendem ABS-Gehalt eine sinkenden Tendenz an. Der festgestellte Schmelzindex und die gefundenen Dichtewerte weisen im Vergleich zu reinem Nylon 6 auf bessere physische und Fließeigenschaften hin.

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Bhardwaj, I.S., Kumar, V., Mathur, A.B. et al. Characterization of multiphase polymer system nylon 6/ABS blends. Journal of Thermal Analysis 36, 2339–2347 (1990). https://doi.org/10.1007/BF01913631

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  • DOI: https://doi.org/10.1007/BF01913631

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