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Properties of talc filled reactor-made thermoplastic polyolefin composites

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Abstract

In this study, the effect of micron- and submicron-sized talc particles on the mechanical and rheological properties of reactor-made thermoplastic polyolefin (rTPO) is investigated. Using a twin-screw extruder, rTPO composites containing up to 30 wt% talc were prepared by melt compounding. The sensitivity analysis of the findings showed that the impact resistance of rTPO is more affected by the temperature rather than the presence of talc particles. Based on the notched Charpy impact test, the composites containing up to 25 wt% talc particles exhibited a very high impact strength and did undergo partial break at 23 °C, while they showed complete break at −30 °C. Flexural modulus, melt viscosity, and heat distortion temperature (HDT) of the composites were improved by incorporation of fillers into the rTPO and these increments were more pronounced for the compounds containing submicron-sized talc particles.

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Authors and Affiliations

  1. Département de Chimie, Université de Montréal, Pavillon Roger-Gaudry C. P. 6128, Succursale Centre-ville. Montréal, QC, H3C 3J7, Canada

    Abbas Ghanbari

  2. Department of Chemical Engineering, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario, P7B 5E1, Canada

    Ehsan Behzadfar

  3. School of Engineering, University of British Columbia, Kelowna, BC, V1V 1V7, Canada

    Mohammad Arjmand

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  1. Abbas Ghanbari
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  2. Ehsan Behzadfar
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  3. Mohammad Arjmand
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Correspondence to Abbas Ghanbari.

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Ghanbari, A., Behzadfar, E. & Arjmand, M. Properties of talc filled reactor-made thermoplastic polyolefin composites. J Polym Res 26, 241 (2019). https://doi.org/10.1007/s10965-019-1902-6

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