Abstract
A method for production of polyurethane coatings with low surface energy modified with a block copolymer polydimethylsiloxane–polyphenylsilsesquioxane is presented. Surface characteristics of coatings were studied by methods of measuring the contact angle, attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy and scanning electron microscopy with X-ray spectral microanalysis, and the values of static contact angles and surface energy were obtained. The effect of pigmentation on wetting and physicomechanical characteristics of low-energy coatings has been investigated.
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ACKNOWLEDGMENTS
We express our gratitude to FSUE NIISK named after S.V. Lebedev for the product provided and information on the parameters of the silicone polymer SilPol, as well as to the engineering center of St. Petersburg State Technological Institute (Technical University).
Funding
The work was carried out within the framework of a comprehensive project for the creation of high-tech production of the Ministry of Education and Science of the Russian Federation (contract no. 03.G25.31.0237) and the state assignment of the Ministry of Education and Science of the Russian Federation (project no. 11.5362.2017/8.9).
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Translated from Zhurnal Prikladnoi Khimii, No. 5, pp. 646–654, January, 2021 https://doi.org/10.31857/S0044461821050133
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Erofeev, D.A., Mashlyakovskii, L.N., Khomko, E.V. et al. Low Surface Energy Polyurethane Coatings Based on Acrylic Copolymer and Polyisocyanate Modified with an Organosilicon Block Copolymer. Russ J Appl Chem 94, 647–655 (2021). https://doi.org/10.1134/S107042722105013X
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DOI: https://doi.org/10.1134/S107042722105013X