温度响应型聚醚-磷酸酯水性润滑剂的协同效应

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2025-04-10 DOI:10.1016/j.triboint.2025.110704

Bo Zhang , Bin Lin , Hongbo Zou , Guoyu Fu , Haorun Zhao , Shuai Yan

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引用次数: 0

摘要

金属热轧过程中对高性能润滑冷却剂的需求不断增加。然而，传统矿物油基乳剂的稳定性和环保性能已不能满足现代工业应用的要求。本研究研究了以温度响应特性而著名的水溶性嵌段聚醚374RA与两种磷酸酯添加剂：苯酚聚氧乙烯醚磷酸（PHB14）和磷酸异三十六酯（MDIT）联合使用时的增效抗磨减摩性能和机理。结果表明，374RA在高温下的相变行为显著促进了摩擦副表面MDIT的富集，从而显著提高了摩擦副的润滑性能。具体来说，MDIT的加入减少了90% %的磨损，增加了227.1 %的负载能力。通过能谱分析（EDS）和量子化学计算，研究证实了摩擦表面物理和化学吸附层的形成是性能提高的关键，其中374RA和MDIT之间的协同作用起着关键作用。这项工作为高性能、环保型水性润滑剂的开发提供了重要的理论见解和实践指导。

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Synergistic effects of temperature-responsive aqueous polyether-phosphate ester lubricants

The demand for high-performance lubricating coolants in metal hot rolling processes is continuously increasing. However, the stability and environmental performance of traditional mineral oil-based emulsions fail to meet the requirements of modern industrial applications. This study investigates the synergistic anti-wear and friction-reducing properties and mechanisms of water-soluble block polyether 374RA, known for its temperature-responsive characteristics, in combination with two phosphate ester additives: phenol polyoxyethylene ether phosphate (PHB14) and isotridecyl phosphate (MDIT). The findings demonstrate that the phase transition behaviour of 374RA at elevated temperatures significantly promotes the enrichment of MDIT on the surface of friction pairs, thereby substantially enhancing the lubricating performance. Specifically, the addition of MDIT reduces wear by 90 % and increases load capacity by 227.1 %. Through energy-dispersive spectroscopy (EDS) and quantum chemical calculations, the study confirms that the formation of physical and chemical adsorption layers on the friction surface is key to the improved performance, with the synergistic interaction between 374RA and MDIT playing a pivotal role. This work provides critical theoretical insights and practical guidance for the development of high-performance, environmentally friendly water-based lubricants.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.