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Russian Journal of Applied Chemistry

, Volume 87, Issue 8, pp 1114–1118 | Cite as

Antifriction properties of oils with thickeners based on modified fluoroalkyl-containing silica particles

  • T. I. Gorbunova
  • S. A. Nalet’ko
  • A. Ya. Zapevalov
  • I. V. Beketov
  • E. G. Vovkotrub
  • V. I. Saloutin
Macromolecular Compounds and Polymeric Materials

Abstract

Covalently modified silica particles were prepared by the sol-gel process from tetraethoxysilane in the presence of (2-iodo-4,4,5,5,6,6,7,7,7-nonafluoroheptyloxy)methyloxirane under the conditions of base catalysis. The friction coefficients of formulations of petroleum oil with thickeners based on modified SiO2 particles (5 and 10 wt %) at loads of 10, 20, 30, and 60 N were determined. The formulation with the lowest thickener content under the conditions of low loads demonstrates the most pronounced decrease in the friction coefficient. The probable mechanism of the improvement of antifriction properties is the formation of friction layers based on iron compounds.

Keywords

Silica Particle Oxirane Base Catalysis Glycidyl Ether Tribochemical Reaction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • T. I. Gorbunova
    • 1
  • S. A. Nalet’ko
    • 1
  • A. Ya. Zapevalov
    • 1
  • I. V. Beketov
    • 2
  • E. G. Vovkotrub
    • 3
  • V. I. Saloutin
    • 1
  1. 1.Postovskii Institute of Organic Synthesis, Ural BranchRussian Academy of SciencesYekaterinburgRussia
  2. 2.Institute of Electrophysics, Ural BranchRussian Academy of SciencesYekaterinburgRussia
  3. 3.Institute of High-Temperature Electrochemistry, Ural BranchRussian Academy of SciencesYekaterinburgRussia

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