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具有改善分散性和抗磨性能的纳米碳-聚（蓖麻油酸）复合材料作为润滑剂添加剂的合成。

The synthesis of nanocarbon-poly(ricinoleic acid) composite as a lubricant additive with improved dispersity and anti-wear properties.

作者信息

Guan Shuzhe, Liu Xuanchi, Eli Wumanjiang

机构信息

Xinjiang Uyghur Autonomous Region, Department of Chemical and Environmental Engineering, Key Laboratory of Coal-based Energy and Chemical Industry, Xinjiang Institute of Engineering Urumqi Xinjiang 830091 China

Xinjiang Uyghur Autonomous Region, College of Chemistry and Chemical Engineering, Xinjiang University Urumqi Xinjiang 830046 China.

出版信息

RSC Adv. 2021 May 19;11(30):18171-18178. doi: 10.1039/d1ra01720a.

DOI:10.1039/d1ra01720a
PMID:35480925
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9033393/
Abstract

Herein, a nanocarbon-poly(ricinoleic acid) composite as a lubricant additive with excellent oil-solubility and dispersity was synthesized using nanocarbon spheres (CNSs) and ricinoleic acid a "one-pot" approach. The prepared composite was characterized Fourier transform infrared spectrometry (FTIR), thermogravimetric analysis (TG), Raman spectroscopy (Raman) and X-ray diffraction (XRD). Scanning electron microscopy (SEM) showed that there was no obvious aggregation after surface modification of CNSs. Results demonstrated that the dispersion stability of the composite anti-wear additive in base lubricating oil was significantly optimized. The prepared nanocarbon-poly(ricinoleic acid) composite showed significantly improved stability and dispersity in base lubricating oil for 3 months without obvious precipitation. Tribological tests indicated that the composite lubricant additive exhibited an improved anti-wear performance and better wear resistance than pure CNS additives. The friction coefficients with the composite anti-wear additive dropped from 0.052 to 0.027, which was reduced by 48.1% compared with that of the TMT base lubricating oil. Furthermore, the composite additive is desirable for efficient anti-wear properties in base lubricating oil. The synergistic effect between modified CNSs and poly(ricinoleic acid) significantly improved the wear resistance of the base oil.

摘要

在此，采用纳米碳球（CNSs）和蓖麻油酸通过“一锅法”合成了一种具有优异油溶性和分散性的纳米碳-聚（蓖麻油酸）复合材料作为润滑添加剂。通过傅里叶变换红外光谱（FTIR）、热重分析（TG）、拉曼光谱（Raman）和X射线衍射（XRD）对制备的复合材料进行了表征。扫描电子显微镜（SEM）表明，CNSs表面改性后没有明显的团聚现象。结果表明，复合抗磨添加剂在基础润滑油中的分散稳定性得到了显著优化。制备的纳米碳-聚（蓖麻油酸）复合材料在基础润滑油中3个月内稳定性和分散性显著提高，无明显沉淀。摩擦学测试表明，复合润滑添加剂比纯CNS添加剂具有更好的抗磨性能和耐磨性。添加复合抗磨添加剂后的摩擦系数从0.052降至0.027，与TMT基础润滑油相比降低了48.1%。此外，该复合添加剂在基础润滑油中具有高效的抗磨性能。改性CNSs与聚（蓖麻油酸）之间的协同效应显著提高了基础油的耐磨性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/f215d7f1a4d9/d1ra01720a-f12.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/f215d7f1a4d9/d1ra01720a-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/dbe92c9a572f/d1ra01720a-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/275e0d3e5922/d1ra01720a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/65c0ee0fbe40/d1ra01720a-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/cb0eaba75767/d1ra01720a-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/b6a2e7223128/d1ra01720a-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/ed69a4c1db49/d1ra01720a-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/f47eaea16344/d1ra01720a-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6afd/9033393/08e5e42562c6/d1ra01720a-f10.jpg
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