YUSUPOVA, M.; MAMADJONOVA , M.; EGAMBERDIEV , S.; ABDUVOHIDOV, I. UDK 678.02.678.6 STUDY OF THE PROCESS OF AMINOLYSIS OF SECONDARY POLYETHYLENETEREPHALATE WITH MONOETHANOLAMINE WITHOUT THE PARTICIPATION OF A CATALYST AND ANALYSIS OF THE OBTAINED PRODUCT. Scientific and Technical Journal of Namangan Institute of Engineering and Technology, [S. l.], v. 11, n. 1, p. 134–139, 2026. DOI: 10.61151/stjniet.v11i1.914. Disponível em: https://niet.uz/index.php/nj/article/view/914. Acesso em: 24 jun. 2026.