Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease

doi:10.1016/j.cjche.2018.09.002

Chinese Journal of Chemical Engineering ›› 2019, Vol. 27 ›› Issue (4): 944-948.DOI: 10.1016/j.cjche.2018.09.002

• Materials and Product Engineering • Previous Articles Next Articles

Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease

Jitai Li, Chu Zhai, Hengbo Yin, Aili Wang, Lingqin Shen

Faculty of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China

Received:2018-06-15 Revised:2018-08-21 Online:2019-06-14 Published:2019-04-28
Contact: Hengbo Yin
Supported by:
Supported by the National Natural Science Foundation of China (21506078, 21506082) and China Postdoctoral Science Foundation (2016M591786, 2016M601739).

Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease

Jitai Li, Chu Zhai, Hengbo Yin, Aili Wang, Lingqin Shen

Faculty of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China

通讯作者: Hengbo Yin
基金资助:
Supported by the National Natural Science Foundation of China (21506078, 21506082) and China Postdoctoral Science Foundation (2016M591786, 2016M601739).

Abstract

Abstract: Titanium complex greases were prepared by using naphthenic mineral oil and polydimethylsiloxane as the mixed base oil. The effect of polydimethylsiloxane molecular weight and polydimethylsiloxane content in mixed base oil on the physicochemical and tribological properties of titanium complex greases was investigated. As compared to the sole mineral oil-based titanium complex grease, the use of polydimethylsiloxane (H201-350) as a co-base oil increased the dropping point from 310 to 329℃, decreased the oil separation from 3.7% to 2.3%, reduced the corrosion extent, and obviously improved the tribological properties. When the mixed oil-based titanium complex grease was used as a lubricant, lubricating films of polydimethylsiloxane were probably formed on the surfaces of friction pairs, giving good lubricating property.

Key words: Complexes, Surface, Polymers, Titanium complex grease, Polydimethylsiloxane, Tribological properties

摘要： Titanium complex greases were prepared by using naphthenic mineral oil and polydimethylsiloxane as the mixed base oil. The effect of polydimethylsiloxane molecular weight and polydimethylsiloxane content in mixed base oil on the physicochemical and tribological properties of titanium complex greases was investigated. As compared to the sole mineral oil-based titanium complex grease, the use of polydimethylsiloxane (H201-350) as a co-base oil increased the dropping point from 310 to 329℃, decreased the oil separation from 3.7% to 2.3%, reduced the corrosion extent, and obviously improved the tribological properties. When the mixed oil-based titanium complex grease was used as a lubricant, lubricating films of polydimethylsiloxane were probably formed on the surfaces of friction pairs, giving good lubricating property.

关键词: Complexes, Surface, Polymers, Titanium complex grease, Polydimethylsiloxane, Tribological properties

Jitai Li, Chu Zhai, Hengbo Yin, Aili Wang, Lingqin Shen. Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 944-948.

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Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease

Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease

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