Current trends in the synthesis of soluble and hot-melt polyimidesA. S. Kuleznev, I. P. Storozhuk, V. A. Zhukova, A. N. Zarubina and A. N. IvankinE3S Web of Conf., 413 (2023) 02033DOI: https://doi.org/10.1051/e3sconf/202341302033