1. Dement’ev, A.G., Doctoral (Eng.) Dissertation, Moscow, 1997.
2. Ponomareva, G.P., Sladkov, O.M., Artemenko, A.A., and Ponomarev, M.V., Construction polyurethane foam structures with an outer layer of basalt plastic, Stroit. Mater., 2011, no. 11, pp. 62–63.
3. Zarzyka, I., The modification of polyurethane foams using new boroorganic polyols: Obtaining of polyols with the use of hydroxypropyl urea derivatives, Int. J. Polym. Sci., 2014, vol. 2014, art. ID 250782. https://doi.org/10.1155/2014/250782
4. Suleman, M.S., Khan, S., Jamil, T., Aleem, W., Shafiq, M., and Gull, N., Synthesis and characterization of flexible and rigid polyurethane foam, Asian J. Appl. Sci., 2014, vol. 2, no. 5, pp. 701–710.
5. Rampf, M., Speck, O., Speck, T., and Luchsinger, R.H., Structural and mechanical properties of flexible polyurethane foams cured under pressure, J. Cell. Plast., 2012, vol. 48, no. 1, pp. 53–69. https://doi.org/10.1177/0021955X11429171