表面修饰的纳米硼酸镁的制备及其摩擦学研究

doi:10.3724/SP.J.1077.2010.01330

无机材料学报 ›› 2010, Vol. 25 ›› Issue (12): 1330-1334.DOI: 10.3724/SP.J.1077.2010.01330 CSTR: 32189.14.SP.J.1077.2010.01330

表面修饰的纳米硼酸镁的制备及其摩擦学研究

郝利峰^1,2, 李久盛¹, 徐小红¹, 任天辉²

(1. 中国石油兰州润滑油研究开发中心, 兰州 730060; 2. 上海交通大学化学化工学院薄膜与微细制造技术教育部重点实验室, 上海 200240)

收稿日期:2010-03-29 修回日期:2010-07-01 出版日期:2010-12-20 网络出版日期:2010-11-24
基金资助:
国家973基础研究资助项目(2007CB607606)

Preparation and Tribological Properties of Surface-modified Borate Magnesium Nanoparticles

HAO Li-Feng^1,2, LI Jiu-Sheng¹, XU Xiao-Hong¹, REN Tian-Hui²

(1. PetroChina Lanzhou Lubricating Oil R&D Institute, Lanzhou 730060, China; 2. School of Chemistry and Chemical Engineering, Key Laboratory for Thin Film and Microfabrication Technology of Ministry of Education, Shanghai Jiao Tong University, Shanghai 200240, China)

Received:2010-03-29 Revised:2010-07-01 Published:2010-12-20 Online:2010-11-24
Supported by:
973 Program(2007CB607606)

摘要/Abstract

摘要： 为开发可作为硫化烯烃替代物的润滑油添加剂, 制备了一种表面修饰的纳米硼酸镁粒子(T-MgBN), 采用ICP- AES、XRD和TEM对其结构进行了表征. 结果表明: 制备的T-MgBN为无定型、平均粒径为50 nm的纳米粒子, 且表面吸附了表面修饰剂. 利用四球摩擦磨损试验机对在一种新型调油工艺下调制的T-MgBN试油摩擦学性能进行了评价, 并和硫化异丁烯(T321)的摩擦学性能进行了比较. 采用SEM及XPS对钢球磨损表面形貌和元素状态进行了分析. 结果表明: T-MgBN在矿物油中具有优异的抗磨、减摩性能. 随着剪切力的增大, T-MgBN在摩擦副表面吸附、沉积形成了一层保护膜, 并且和表面吸附的表面活性剂以及摩擦副发生了摩擦化学反应生成了B₂O₃、BN、Fe₂O₃和FeB等物质.

关键词: 硼酸镁, 调油工艺, 硫化烯烃, 摩擦学性能

Abstract: To develop a potential substitute for sulfurized olefins, surface-modified borate magnesium nanoparticles (titled as T-MgBN) were synthesized. The composition and microstructures of the as-obtained samples were characterized by inductively coupled plasma atomic emission spectroscopy (ICP-AES), X-ray power diffraction (XRD) and transmission electron microscope (TEM). The results indicate that T-MgBN with the size of around 50 nm is amorphous, and the appearance is irregular sheet. The tribological properties of T-MgBN in base oil evaluated using four-ball tribometer show that T-MgBN has better tribological capacity in base oil than that of T321. SEM and XPS analysis of the worn surface prove that there exists a wear resistance film which contains depositions and tribochemical reaction products (B₂O₃, FeB, Fe₂O₃ and BN) on the worn surfaces.

Key words: borate magnesium, blending oil, sulfurized olefin, tribological property

中图分类号:

TB321

郝利峰, 李久盛, 徐小红, 任天辉. 表面修饰的纳米硼酸镁的制备及其摩擦学研究[J]. 无机材料学报, 2010, 25(12): 1330-1334.

HAO Li-Feng, LI Jiu-Sheng, XU Xiao-Hong, REN Tian-Hui. Preparation and Tribological Properties of Surface-modified Borate Magnesium Nanoparticles[J]. Journal of Inorganic Materials, 2010, 25(12): 1330-1334.

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表面修饰的纳米硼酸镁的制备及其摩擦学研究

Preparation and Tribological Properties of Surface-modified Borate Magnesium Nanoparticles

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