Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

HNBR-Based Dual Network Co-crosslinked Composites with Excellent Tribological Properties under Water Lubrication

Version 1 : Received: 9 October 2023 / Approved: 9 October 2023 / Online: 10 October 2023 (16:26:55 CEST)

A peer-reviewed article of this Preprint also exists.

Yu, H.; Zheng, W.; Zhang, C.; Chen, S.; Tian, G.; Wang, T. Dual Network Co-Crosslinked HNBR Composites with Enhanced Tribological Properties under Water Lubrication. Lubricants 2023, 11, 534. Yu, H.; Zheng, W.; Zhang, C.; Chen, S.; Tian, G.; Wang, T. Dual Network Co-Crosslinked HNBR Composites with Enhanced Tribological Properties under Water Lubrication. Lubricants 2023, 11, 534.

Abstract

As one of the important components of underwater propulsion systems, water lubricated bearings are often failure due to mechanical wearing and vibrating, especially under high loads and prolonged friction. In this paper, a dual-network co-crosslinking strategy based on HNBR is proposed, in which the epoxy network connects with the rubber network through Epoxidized Eommia ulmoides gum. The damping, tribological and mechanical properties of the prepared composite are systematically investigated. The results show that this material has excellent friction and vibration damping properties, with a water-lubricated coefficient of friction as low as 0.022 and a wear resistance as high as 3.87 × 10-6mm3/Nm. Preparing HNBR-based composite by dual network co-crosslinked is proved being a feasible solution to improve the reliability and service life of water-lubricated bearings.

Keywords

Co-crosslinking; Tribology; Water lubrication; Rubber

Subject

Chemistry and Materials Science, Polymers and Plastics

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