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Article

Graphene Nanoplatelets as a Replacement for Carbon Black in Rubber Compounds

1
Polymer IRC, Faculty of Engineering and Informatics, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
2
National Graphene Institute, Henry Royce Institute and Department of Materials, University of Manchester, Oxford Road, Manchester M13 9PL, UK
3
School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
*
Author to whom correspondence should be addressed.
Polymers 2022, 14(6), 1204; https://doi.org/10.3390/polym14061204
Received: 9 February 2022 / Revised: 10 March 2022 / Accepted: 15 March 2022 / Published: 17 March 2022
(This article belongs to the Section Polymer Composites and Nanocomposites)
In this work, we evaluated the processing and reinforcement characteristics of both carbon black (CB) and graphene nanoplatelets (GNPs) within a nitrile butadiene rubber (NBR) matrix. The aspect ratio of the GNPs was measured using atomic force microscopy (AFM) and related to the dispersion and agglomeration within the NBR matrix, as observed by scanning electron microscopy (SEM). The relationship between GNP aspect ratio and mechanical properties was studied by micromechanical modelling. The tensile and tear properties of NBR after compounding with GNPs were enhanced to a greater extent compared to carbon black, while curing times were smaller and scorch times longer, indicating some of the advantages of using GNPs. Overall, the inherent properties of GNPs along with their geometry led to the production of better-performing rubber compounds that can replace their CB-filled counterparts in applications where flexibility, tear strength and compliance are important. The influence of processing on dispersion, orientation and agglomeration of flakes was also highlighted with respect to the Young’s modulus of the NBR compounds. View Full-Text
Keywords: nitrile butadiene rubber; graphene nanoplatelets; micromechanics; carbon black nitrile butadiene rubber; graphene nanoplatelets; micromechanics; carbon black
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MDPI and ACS Style

Innes, J.R.; Young, R.J.; Papageorgiou, D.G. Graphene Nanoplatelets as a Replacement for Carbon Black in Rubber Compounds. Polymers 2022, 14, 1204. https://doi.org/10.3390/polym14061204

AMA Style

Innes JR, Young RJ, Papageorgiou DG. Graphene Nanoplatelets as a Replacement for Carbon Black in Rubber Compounds. Polymers. 2022; 14(6):1204. https://doi.org/10.3390/polym14061204

Chicago/Turabian Style

Innes, James R., Robert J. Young, and Dimitrios G. Papageorgiou. 2022. "Graphene Nanoplatelets as a Replacement for Carbon Black in Rubber Compounds" Polymers 14, no. 6: 1204. https://doi.org/10.3390/polym14061204

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