Fabrication of Self-Assembled Cu Nanochains for Water-Based Lubrication Systems

IF 3.3 3区工程技术 Q2 ENGINEERING, CHEMICAL Tribology Letters Pub Date : 2025-01-23 DOI:10.1007/s11249-025-01959-4

Keying Hua, Diange Guo, Feng Zhou, Xia Zhang

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Abstract

The development of green and environmentally friendly lubricant additives is crucial in the field of friction. A green modifier, Cardanol polyoxyethylene ether xanthate (CPEOCS₂K), was synthesized from natural cashew nut shells derived from Cardanol. Cu nanoparticles were prepared using a simple one-step reduction method, which involved modifying metallic Cu with CPEOCS₂K. The long chains of the modifier on the surface of the nanocore interconnected to form a nano-network, and the resulting Cu nanochains exhibited excellent lubrication performance when applied to a water-ethylene glycol (EG) system as a lubricant additive. This encapsulated nanoparticle structure not only enhances the dispersion stability of the nanoparticles but also generates a chemically reactive film that adsorbs onto the wear surface during friction, thereby improving the lubrication effectiveness of the water-based lubricant. The use of natural organic compounds to synthesize modifiers enhances the environmental friendliness of metal nanoparticles as lubricant additives, and the outstanding lubricating performance demonstrates the potential of green lubrication technology.

Graphical Abstract

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用于水基润滑系统的自组装铜纳米链的制备

在摩擦领域，开发绿色环保的润滑油添加剂至关重要。以腰果酚为原料合成腰果酚聚氧乙烯醚黄药（CPEOCS2K）。采用简单的一步还原法制备了铜纳米颗粒，该方法是用CPEOCS2K修饰金属Cu。改性剂的长链在纳米核表面相互连接形成纳米网络，所得到的铜纳米链作为润滑剂添加剂应用于水-乙二醇（EG）体系时表现出优异的润滑性能。这种封装的纳米颗粒结构不仅增强了纳米颗粒的分散稳定性，而且在摩擦过程中产生化学反应膜，吸附在磨损表面，从而提高了水基润滑剂的润滑效果。利用天然有机化合物合成的改性剂增强了金属纳米颗粒作为润滑油添加剂的环境友好性，其优异的润滑性能显示了绿色润滑技术的潜力。图形抽象

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来源期刊

Tribology Letters 工程技术-工程：化工

CiteScore

5.30

自引率

9.40%

发文量

116

审稿时长

2.5 months

期刊介绍： Tribology Letters is devoted to the development of the science of tribology and its applications, particularly focusing on publishing high-quality papers at the forefront of tribological science and that address the fundamentals of friction, lubrication, wear, or adhesion. The journal facilitates communication and exchange of seminal ideas among thousands of practitioners who are engaged worldwide in the pursuit of tribology-based science and technology.