J. Okowiak-Chinalska’s research while affiliated with Kazimierz Pulaski University of Humanities and Technology in Radom and other places

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Publications (2)


The Estimation of Abilities of Liquid-Crystalline Compounds Dissolved in Paraffin Oil for Accumulation on Solid Surface
  • Article

June 2011

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18 Reads

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4 Citations

Molecular Crystals and Liquid Crystals

B. Ważyńska

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J. Okowiak-Chinalska

The mixtures of two liquid crystalline compounds (6CHBT and 6CB) with paraffin oil of different concentration were tested as lubricating agents. A great decrease of friction coefficient was observed after doping the paraffin oil with liquid crystalline compounds, specially for higher loads (40, 50 N). The compound with cyano group 6CN gives better improvement of lubricating properties. The FT-IR measurements of tested mixtures shown the tendency of liquid crystalline molecules to accumulate on the metal surface.


New Application of Thermotropic Liquid Crystals

June 2011

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177 Reads

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5 Citations

Molecular Crystals and Liquid Crystals

Few liquid crystalline compounds and mixtures were tested as lubricating agents. The much decrease of friction coefficient was observed in comparison to the paraffin oil, the commonly used reference lubricant. The compounds were differing in chemical structure as well as the kind of formed liquid crystalline phases. The chemical structure plays a crucial role in the improvement of tribological properties.

Citations (2)


... When LCs are mentioned, people will think of optoelectronic materials. At present, LCs are still mainly optimized as optoelectronic materials, and there is almost no structural design specifically for tribological materials, although tribologists have paid attention to LCs as potential new lubricants from the perspective of conventional lubrication for many years [34][35][36][37][38]. ...

Reference:

Superlubricity by polyimide-induced alignment
The Estimation of Abilities of Liquid-Crystalline Compounds Dissolved in Paraffin Oil for Accumulation on Solid Surface
  • Citing Article
  • June 2011

Molecular Crystals and Liquid Crystals

... Liquid crystals (LCs) are an attractive class of soft matter having properties somewhere between liquids and solid crystals. LCs have received an overwhelming response due to their very promising applications in various technological fields such as display devices, organic light emitting diodes, anisotropic networks, photoconductors, semiconductor materials, lubricating agents and LC sensors [1][2][3][4][5]. An effective way to develop new low-cost LC material with unique properties is the modification of molecular structure which has proven to be one of the finest strategies [6]. ...

New Application of Thermotropic Liquid Crystals
  • Citing Article
  • June 2011

Molecular Crystals and Liquid Crystals