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Influence of Emulsion Lubricants Activated by Powerful Ultrasound on the Tribological Properties of Textile Materials during Their Surface Modification

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Abstract

The study considers frictional and electrophysical properties of fibrous materials by using lubricants activated by powerful ultrasonic treatment. New emulsol compositions and methods for their preparation are developed: oil-based IS-1 and fat-free emulsol IS-2 based on methyl fatty acid ester. New emulsols provide an effective replacement for more expensive preparations based on liquid paraffins and mineral oils in terms of purpose performance. A feature of the new emulsols is that when they are dissolved in water, stable oil-in-water microemulsions are formed. The use of the IS-2 emulsol reduces the dynamic friction factor of the thread on the metal surface for all samples in the range from 10.3 to 69.9%. The tangential resistance factor of fibers against each other, which affects the breaking load (strength) and thread elongation, has increased for linen by 50.6% and for wool by 15.3%. For polyester and cotton, the tangential resistance factor decreases by 5.5 and 25.9%, respectively. It is noted that, regardless of the sample material, the dynamic friction factor is always less than the adhesive tension factor. Surface electrostatic resistance decreases for all samples by 3–4 orders of magnitude, and insignificantly for linen (by 2.8 times). The wettability of textile materials with emulsols IS-1 and IS-2 and the process of their removal from the fabric are studied.

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Correspondence to V. N. Sakevich.

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Translated by A. Kolemesin

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Buevich, T.V., Maksimovich, E.S. & Sakevich, V.N. Influence of Emulsion Lubricants Activated by Powerful Ultrasound on the Tribological Properties of Textile Materials during Their Surface Modification. J. Frict. Wear 43, 102–107 (2022). https://doi.org/10.3103/S1068366622020027

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  • DOI: https://doi.org/10.3103/S1068366622020027

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