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Content available Wear resistance improvement of linear block-polyurethanes under conditions of liquid friction
Panda Anton, Anisimov Volodymyr M., Anisimov Volodymyr V., Dyadyura Konstantin
Management Systems in Production Engineering
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2021
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nr 4 (29)
287--293
EN
A significant disadvantage of parts made of linear block polyurethanes under conditions of friction contact in the presence of an aqueous medium is the intensification of hydrolysis processes and decrease in volume strength. It was proposed to slow down the hydrolysis of polyurethanes in three ways: by directed changes in chemical structure, by electromagnetic radiation of different intensities and by creation of composite materials, based on the principle of additional intermolecular crosslinking at the manufacturing and hot processing stages. The conditions for the formation of a smooth wear-resistant surface that protects the material from rapid destruction are revealed.
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