Self-healing polyurethane-polypropylene oxide copolymers for the protection of carbon and glass fiber-reinforced compositesA. L. Zalina, J. A. Soboleva, D. V. Zakharova and I. P. StorozhukE3S Web of Conf., 413 (2023) 02036DOI: https://doi.org/10.1051/e3sconf/202341302036