Multifunctional ingredients for composite elastomer materials Sardorbek Ahmadjonov, Elmira Teshabaeva, Makhfuza Akhmedova, Satridtdin Turabdjanov and Kamola Abdiraimova E3S Web Conf., 383 (2023) 04035 Published online: 24 April 2023 DOI: 10.1051/e3sconf/202338304035