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Storage Modulus and Glass Transition Temperature of MWNT/PMMA Polymer Nanocomposite Films with Different wt% of MWNT

M. Verma, D. Patidar, M. Baboo, K. B. Sharma, N. S. Saxena


This paper presents the study of behavior of storage modulus and glass transition temperature of MWNT/PMMA polymer nanocomposites prepared by solution casting method, with different (0, 0.1, 0.2, 0.3, 0.5, 1, 5, 10) wt% of MWNT in the PMMA matrix. Dynamic mechanical analysis has been done in tension mode. Storage modulus increases with CNT loading in matrix except for 0.1, 0.2 wt% CNT samples, for 0.5 wt% sample onwards to 10 wt% increases continuously, whereas glass transition temperature is found to increase smoothly for all samples, which is explained in terms of the interactions between polymer-MWNT and MWNT-MWNT.
Keywords: Nanocomposites, Storage modulus, Glass transition temperature, Dynamic mechanical analyzer

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