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

doi:10.1016/j.cjche.2018.09.002

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

Materials and Product Engineering | Updated：2026-01-06

- Impact of polydimethylsiloxanes on physicochemical and tribological properties of naphthenic mineral oil (KN 4010)-based titanium complex grease
- Chinese Journal of Chemical Engineering Vol. 27, Issue 4, Pages: 944-948(2019)
- Affiliations：
  
  Faculty of Chemistry and Chemical Engineering, Jiangsu University,Zhenjiang,China,212013
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.09.002
  CLC：
- Published：2019
- Accepted：
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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.
DOI：

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. DOI： 10.1016/j.cjche.2018.09.002.

摘要

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.

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