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Studies on acrylonitrile-butadiene copolymer (NBR) layered silicate composites: Mechanical and viscoelastic properties

Publication Type : Journal Article

Publisher : Journal of Composite Materials

Source : Journal of Composite Materials, Volume 45, Issue 19, Number 19, p.2011-2022 (2011)

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Keywords : Butadiene, Clay minerals, Copolymerization, Copolymers, Cure time, Cyanides, Dynamic mechanical property, Effect of temperature, First-order models, Internal mixers, Layered silicate, Loss tangent, Masterbatch, Mechanical properties, Nano clays, Nanocomposites, Nitrile rubbers, Polymer blends, Rubber, Rubber compounding, Silicates, Tensile strength, transmission electron microscopy, Two-roll mill, Viscoelastic properties, X ray diffraction, X ray diffraction analysis

Campus : Coimbatore

School : School of Engineering

Center : Center for Excellence in Advanced Materials and Green Technologies

Department : Chemical

Year : 2011

Abstract : pNanocomposites were obtained from a masterbatch of acrylonitrile-butadiene copolymer (NBR; nitrile rubber) and organomodified layered silicate (nanoclay) prepared in an internal mixer followed by mixing with neat NBR and other compounding ingredients on a two-roll mill. Addition of nanoclay reduced the cure time and the vulcanization kinetics closely fitted a first-order model. The morphology was investigated by X-ray diffraction and transmission electron microscopy. The tensile strength, modulus (M100), and storage modulus (E′) increased up to 5-phr nanoclay content and thereafter showed a decline. The effect of temperature and frequency on E′ and loss tangent was also investigated. © 2011 The Author(s)./p

Cite this Research Publication : Dr. Meera Balachandran and Bhagawan, S. S., “Studies on acrylonitrile-butadiene copolymer (NBR) layered silicate composites: Mechanical and viscoelastic properties”, Journal of Composite Materials, vol. 45, no. 19, pp. 2011-2022, 2011.

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