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Experimental and theoretical investigation on the non-isothermal crystallization kinetics of polypropylene reinforced with multiwalled carbon nanotubes

Publication Type : Journal Article

Publisher : Materials Today: Proceedings

Source : Materials Today: Proceedings, Volume 33, p.2264-2273 (2020)

Url : https://www.sciencedirect.com/science/article/pii/S2214785320327528

Keywords : Avrami model, Mo model, MWCNTs, Non-isothermal crystallization, Nucleation, Ozawa model, polypropylene

Campus : Coimbatore

School : School of Engineering

Center : Center for Excellence in Advanced Materials and Green Technologies

Department : Chemical

Year : 2020

Abstract : Polypropylene (PP) nanocomposites were prepared by incorporating multiwalled carbon nanotubes (MWCNTs) at different contents from 1 to 4 wt%. The crystallization studies were performed using differential scanning calorimetry (DSC) at varying cooling rates viz. 5, 10, 15 and 20 °C/min. The Avrami model could describe the intermediate stages of crystallization quite well whereas the Ozawa model failed to explain the kinetics particularly in the region of peak crystallization temperatures. Mo model could very well describe the nucleation, crystal growth and the crystal impingement which was verified from the linearity obtained by the model equation and from the Mo parameters

Cite this Research Publication : S. Sruthi, Abhilash, R., Tharun, K., P. Krishna, G., Jayanarayanan, K., and Rasana Nanoth, “Experimental and theoretical investigation on the non-isothermal crystallization kinetics of polypropylene reinforced with multiwalled carbon nanotubes”, Materials Today: Proceedings, vol. 33, pp. 2264-2273, 2020.

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