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Open AccessArticle

Effect of Nitrogen-Doped Graphene Oxide on the Aging Behavior of Nitrile–Butadiene Rubber

1
School of Materials Science and Engineering, Southwest Petroleum University, No. 8 Xindu Avenue, Xindu District, Chengdu 610500, China
2
Institut für Physik, Universität Rostock, Albert-Einstein-Str. 23-24, 18051 Rostock, Germany
*
Author to whom correspondence should be addressed.
Polymers 2019, 11(10), 1637; https://doi.org/10.3390/polym11101637
Received: 24 July 2019 / Revised: 28 September 2019 / Accepted: 30 September 2019 / Published: 10 October 2019
(This article belongs to the Special Issue Degradation and Stabilization of Polymer-Based Materials)
Nitrogen-doped graphene oxide (GO), namely, NG, was prepared by o-phenylenediamine (OPD) grafting onto GO. The structure and morphology of NG were characterized by FITR, XRD, SEM, EDS, Raman spectroscopy, and TGA. OPD was linked to the GO surface by covalent bonds, and the absorption peak of the C=N bond in the phenazine structure was identified in the FITR spectra. The aging resistance properties of nitrile-butadiene rubber (NBR)-NG composites was investigated by mechanical testing, before and after aging. The resistance of the NBR/NG composites with the addition of 3 phr NG fillers was the highest. The aging mechanism was investigated by TGA-DSC, DMA, equilibrium swelling testing, and ATR-FTIR. The results showed that NG could effectively inhibit chain cross-linking in NBR. View Full-Text
Keywords: nitrile-butadiene rubber; nitrogen-doped; aging resistance; graphene oxide nitrile-butadiene rubber; nitrogen-doped; aging resistance; graphene oxide
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MDPI and ACS Style

Chen, S.; Li, T.; Wan, S.; Huang, X.; Cai, S.; He, X.; Zhang, R. Effect of Nitrogen-Doped Graphene Oxide on the Aging Behavior of Nitrile–Butadiene Rubber. Polymers 2019, 11, 1637.

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