Investigation of the biodegradation of polyvinyl chloride using modified rice starch Hayot Istamov, Bakhodir Mukhiddinov, Furqat Toshtemirov and Lola Tilavova E3S Web Conf., 548 (2024) 08008 Published online: 12 July 2024 DOI: 10.1051/e3sconf/202454808008