Abstract
The preparation of a series of dispersible nano-SiO{sub 2} by surface-modification in situ was described in this paper. It is found that some silane coupling agents can be combined with nano-SiO{sub 2} by covalent bonds, which change the nanoparticle's surface properties and make nano-SiO{sub 2} disperse well and steadily in many organic mediums. The structure of nanoparticles was characterized by transmission electron microscopy (TEM), infrared spectrum (IR), X-ray photoelectron spectra (XPS) and thermogravimetric analysis (TG). The dispersivity of these nanoparticles in organic solvents was measured by light transmittance. Considering such superior dispersion in oily solvents and very small size, we primarily investigated their tribological behaviors as additive in lubricant on wear testers. The results show that they can evidently increase anti-wear ability and reduce the friction coefficient of lubricant.
Xiaohong, Li;
[1]
Zhi, Cao;
[2]
Zhijun, Zhang;
[2]
Hongxin, Dang;
[3]
Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)]
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000 (China) and Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China) and Graduate School of Chinese Academy of Sciences, Beijing 100039 (China)
- Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000 (China)
Citation Formats
Xiaohong, Li, Zhi, Cao, Zhijun, Zhang, Hongxin, Dang, and Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)].
Surface-modification in situ of nano-SiO{sub 2} and its structure and tribological properties.
Netherlands: N. p.,
2006.
Web.
Xiaohong, Li, Zhi, Cao, Zhijun, Zhang, Hongxin, Dang, & Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)].
Surface-modification in situ of nano-SiO{sub 2} and its structure and tribological properties.
Netherlands.
Xiaohong, Li, Zhi, Cao, Zhijun, Zhang, Hongxin, Dang, and Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)].
2006.
"Surface-modification in situ of nano-SiO{sub 2} and its structure and tribological properties."
Netherlands.
@misc{etde_20952981,
title = {Surface-modification in situ of nano-SiO{sub 2} and its structure and tribological properties}
author = {Xiaohong, Li, Zhi, Cao, Zhijun, Zhang, Hongxin, Dang, and Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)]}
abstractNote = {The preparation of a series of dispersible nano-SiO{sub 2} by surface-modification in situ was described in this paper. It is found that some silane coupling agents can be combined with nano-SiO{sub 2} by covalent bonds, which change the nanoparticle's surface properties and make nano-SiO{sub 2} disperse well and steadily in many organic mediums. The structure of nanoparticles was characterized by transmission electron microscopy (TEM), infrared spectrum (IR), X-ray photoelectron spectra (XPS) and thermogravimetric analysis (TG). The dispersivity of these nanoparticles in organic solvents was measured by light transmittance. Considering such superior dispersion in oily solvents and very small size, we primarily investigated their tribological behaviors as additive in lubricant on wear testers. The results show that they can evidently increase anti-wear ability and reduce the friction coefficient of lubricant.}
journal = []
issue = {22}
volume = {252}
place = {Netherlands}
year = {2006}
month = {Sep}
}
title = {Surface-modification in situ of nano-SiO{sub 2} and its structure and tribological properties}
author = {Xiaohong, Li, Zhi, Cao, Zhijun, Zhang, Hongxin, Dang, and Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001 (China)]}
abstractNote = {The preparation of a series of dispersible nano-SiO{sub 2} by surface-modification in situ was described in this paper. It is found that some silane coupling agents can be combined with nano-SiO{sub 2} by covalent bonds, which change the nanoparticle's surface properties and make nano-SiO{sub 2} disperse well and steadily in many organic mediums. The structure of nanoparticles was characterized by transmission electron microscopy (TEM), infrared spectrum (IR), X-ray photoelectron spectra (XPS) and thermogravimetric analysis (TG). The dispersivity of these nanoparticles in organic solvents was measured by light transmittance. Considering such superior dispersion in oily solvents and very small size, we primarily investigated their tribological behaviors as additive in lubricant on wear testers. The results show that they can evidently increase anti-wear ability and reduce the friction coefficient of lubricant.}
journal = []
issue = {22}
volume = {252}
place = {Netherlands}
year = {2006}
month = {Sep}
}