Abstract
The structure and properties of urethane varnish coatings based on isocyanate-containing prepolymers are studied using the methods of atomic force microscopy, thermomechanical analysis, differential scanning calorimetry, and dynamic mechanical analysis. By the modification of isocyanate-containing prepolymers with dicyandiamide, the possibility of producing urethane varnish coatings having different supramolecular structure, high thermal and operational properties is shown.
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ACKNOWLEDGMENTS
The authors are grateful for the assistance in conducting research to A.G. Razina, the assistant of the Department of Applied Physics and Nanotechnology of Ulianov Chuvash State University, E.S. Afanasyev, researcher of Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, and A.N. Kosolapov, engineer of the Department of Synthetic Rubber Technology, Kazan National Research Technological University.
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Rogozhina, L.G., Kuz’min, M.V. & Kol’tsov, N.I. Study of Heat Resistant Urethane Varnish Coatings Based on Isocyanate-Containing Prepolymers and Dicyandiamide. Russ J Appl Chem 93, 794–800 (2020). https://doi.org/10.1134/S1070427220060038
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DOI: https://doi.org/10.1134/S1070427220060038