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Authors
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Subramaniam, K. ; Das, A. ; Steinhauser, D. ; Klüppel, M. ; Heinrich, G.
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Title
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Effect of ionic liquid on dielectric, mechanical and dynamic mechanical properties of multi-walled carbon nanotubes/polychloroprene rubber composites
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Date
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17.11.2011
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Number
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29990
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Abstract
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This paper focuses on the influence of ionic liquid on carbon nanotube based elastomeric composites. Multi-walled carbon nanotubes (MWCNTs) are modified using an ionic liquid at room temperature, 1-butyl 3-methyl imidazolium bis (trifluoromethylsulphonyl) imide (BMI) and modified MWCNTs exhibit physical (cationp/pp) interaction with BMI. The polychloroprene rubber (CR) composites are prepared using unmodified and BMI modified MWCNTs. The presence of BMI not only increases the alternating current (AC) electrical conductivity and polarisability of the composites but also improves the state of dispersion of the tubes as observed from dielectric spectroscopy and transmission electron microscopy respectively. In addition to the hydrodynamic reinforcement, the formation of improved fillerfiller networks is reflected in the dynamic storage modulus (E') for modified MWCNTs/CR composites in amplitude sweep measurement upon increasing the proportion of BMI. Hardness and mechanical properties are also studied for the composites as a function of BMI.
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Publisher
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European Polymer Journal
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Wikidata
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Citation
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European Polymer Journal 47 (2011) 2234-2243
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DOI
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https://doi.org/10.1016/j.eurpolymj.2011.09.021
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