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  1. g. oertel (ed.). polyurethane handbook, 2nd edition. hanser publishers, 1994.
  2. a. n. leatherman, et al. "hydrolytic stability of polyurethanes: a review." journal of applied polymer science, 2018, vol. 135, issue 24.
  3. m. s. silverstein, et al. "metal catalysts for polyurethane synthesis: mechanisms and applications." progress in polymer science, 2020, vol. 100, pp. 1¨C32.
  4. j. c. salamone, et al. "recent advances in hydrolysis-resistant polyurethanes." macromolecular materials and engineering, 2019, vol. 304, issue 10.

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