Abstract
WS2/nitrile butadiene rubber (NBR) nanocomposite was prepared by mechanical blending. The vulcanization and mechanical behavior, contact angle with water, friction and wear properties, as well as thermal stability were measured to investigate the influence of nano WS2 content on the NBR. Moreover, scanning electron microscopic (SEM) and element dispersive spectrum analysis (EDS) were used to analyze the tensile failure mechanism of the WS2/NBR nanocomposite. Results showed that the tensile strength, elongation at break and contact angle with water of the vulcanized rubber reached their maxima when the content of nano WS2 was 10 parts. Furthermore, fast vulcanization rate and the minimum friction and wear properties were also observed. The tear strength, rebound resilience and electrical resistivity decreased with the increment of WS2 content, while the hardness and thermal stability increased. Investigation on tensile fracture showed that crack growth was mainly caused by stress concentration.
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Acknowledgments
This research project was supported by The Natural Science Foundation of the Henan Province (182300410169 and 182102210201), and The Support project of scientific and technological innovation talents of universities in Henan Province (19HASTIT023).
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He, Q., Wang, G., Zheng, B. et al. Impact of WS2 Nanoparticles on Nitrile Butadiene Rubber Properties. Fibers Polym 21, 1163–1172 (2020). https://doi.org/10.1007/s12221-020-9566-8
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DOI: https://doi.org/10.1007/s12221-020-9566-8