Solvent-promoted catalyst-free aminolytic upcycling of waste polyethylene terephthalate under low-temperature conditions

Abstract

A solvent-promoted catalyst-free aminolysis method for the chemical upcycling of waste polyethylene terephthalate was explored. Various value-added terephthalamides with high yields were achieved under mild conditions. This catalytic system demonstrates remarkable versatility and is capable of effectively depolymerizing a wide range of polyesters and real-world waste PET.