引用本文:
李干佐, 沈强, 马成松, 刘维民, 薛群基. DCD/C4H9OH/LP/H2O体系溶致液晶的润滑性能[J]. 应用化学,
1997, 14(4): 55-58.
Citation: Li Ganzuo, Shen Qiang, Ma Chengsong, Liu Weimin, Xun Qiunji. Lubrication of Lyotropic Liquid Crystals in DCD/C4H9OH/LP/H2O System[J]. Chinese Journal of Applied Chemistry, 1997, 14(4): 55-58.
Citation: Li Ganzuo, Shen Qiang, Ma Chengsong, Liu Weimin, Xun Qiunji. Lubrication of Lyotropic Liquid Crystals in DCD/C4H9OH/LP/H2O System[J]. Chinese Journal of Applied Chemistry, 1997, 14(4): 55-58.
DCD/C4H9OH/LP/H2O体系溶致液晶的润滑性能
English
Lubrication of Lyotropic Liquid Crystals in DCD/C4H9OH/LP/H2O System
Abstract:
The phase diagram of the system of dodecyl carboxylic diethanolamine (DCD)/n-butanol (C4H9OH)/paraffin oil(LP)/water has been investigated. The phase structures of two points chosen from the liquid crystal phase region were determined by 2H NMR spectroscopy and polarized-light microscope. The wear scar widths and the vertical loads of the two samples on the surface of aluminium alloy were measured and compared with those of water, paraffin oil, n-butanol, paraffin oil+2%n-butanol, paraffin oil+2%diethanolamine and lithium grease. The results indicate that the frictional force of the lamellar liquid crystal in the direction parallel to the surface of the alloy aluminium is very small, and the lamellar liquid crystal appear to be a good lubricant.
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Key words:
- dodecyl carboxylic diethanolamine
- / butanol
- / paraffin oil
- / water
- / lyotropic liquid crystal
- / lubrication
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