| 化学结构对二烷基二硫代氨基甲酸镧摩擦学性能的影响 |
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| 引用本文： | 贺敏强,李伟剑,郭利飞.化学结构对二烷基二硫代氨基甲酸镧摩擦学性能的影响[J].润滑与密封,2009,34(1). |
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| 作者姓名： | 贺敏强 李伟剑 郭利飞 |
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| 作者单位： | 江苏大学化学化工学院,江苏镇江,212013 |
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| 基金项目： | 国家自然科学基金，江苏省摩擦重点实验室开放基金 |
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| 摘 要： | 为研究新型油溶性稀土极压抗磨添加剂二烷基二硫代氨基甲酸镧(LaDTCs)的结构与性能关系,合成了9种含不同碳原子数的伯、仲烷基LaDTCs.利用四球试验机考察了其在500SN基础油中的摩擦磨损性能和极压性能,并探讨了烷基碳链的长短和伯、仲烷基结构对LaDTCs性能的影响.结果表明,含2～8碳烷基的LaDTCs均具有较好的抗磨减摩性能和极压性能.随着碳原子数的增加,LaDTCs的摩擦学性能明显提高,其中伯烷基LaDTCs的抗磨减摩性能优于仲烷基LaDTCs;含仲烷基的LaDTCs极压性能优于含伯烷基的LaDTCs.
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| 关 键 词： | 二烷基二硫代氨甲酸镧 摩擦磨损 极压 添加剂 |
The Effect of the Chemical Structure of Lanthanum Diethyldithiocarbamate on Its Tribological Properties |
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| He Minqiang,Li Weijian,Guo Lifei.The Effect of the Chemical Structure of Lanthanum Diethyldithiocarbamate on Its Tribological Properties[J].Lubrication Engineering,2009,34(1). |
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| Authors: | He Minqiang Li Weijian Guo Lifei |
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| Affiliation: | School of Chemistry and Chemical Engineering;Jiangsu University;Zhenjiang Jiangsu 212013;China |
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| Abstract: | To study the structure-behavior relationship of lanthanum diethyldithiocarbamate(LaDTCs),which is used as new oil-soluble rare earth extreme pressure and antiwear additive,nine LaDTCs with different alkyl chain were prepared.The properties of antiwear and extreme pressure of LaDTCs as lubricating oil additive in 500SN base oil were investigated by four-ball machine,and the effects of the length of alkyl chain and the structure of primary or secondary alkyl of lanthanum diethyldithiocarbamate additive on the... |
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| Keywords: | lanthanum diethyldithiocarbamate friction and wear extreme pressure additive |
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