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The Tribological, Physico-Chemical and Rheological Properties of Lubricating Grease Produced on Epoxy Resin Base

Journal: Tribology in Industry (Vol.42, No. 2)

Publication Date:

Authors : ;

Page : 255-267

Keywords : Lubricating grease; Epoxy resin; Lubricating properties; Physicochemical properties; Rheological properties; Oxidation stability;

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Abstract

The article presents the results of physicochemical, tribological, rheological, anticorrosive and oxidation tests of lubricating grease produced on the base of epoxy resin and thickened of amorphous silica Aerosil®. The tests for lubricating grease were carried out and then compared with the test results obtained for lubricants prepared on the mineral, vegetable and synthetic oil base. The application of epoxy resin as a dispersion phase affects the increase in relation to compositions prepared on the mineral, vegetable and synthetic oil base of resistance of the top layer on scuffing and wear for tested lubricating compositions. The application of the epoxy resin as a dispersion phase of lubricating greases demonstrated a synergistic interaction with the used thickener and a significant improvement of the dropping point in relation to the compositions produced on conventional oil bases. The lubricating grease produced on the base of epoxy resin has a much longer oxidation induction time and better anticorrosive properties than lubricating compositions produced on other base oils. The application of epoxy resin as a dispersion phase of lubricating greases caused a significant increase of dynamic viscosity from shear rate and in the range of low temperatures in comparison to compositions produced on conventional base oils.

Last modified: 2020-08-19 17:41:55