HE GLYCOLYSIS of polyethylene terephthalate (PET) was …… studied using several ionic liquids as catalysts.The Lewis base ionic liquid, 1-butyl-3-methylimidazolium acetate [Bmim][OAc], exhibits higher catalytic activity for the glycolysis of PET, compared with 1-butyl-3 methylimidazolium chloride ([Bmim]Cl) and 1-butyl-3-methylimidazolium bromide ([Bmim]Br).The results revealed that the [Bmim][OAc]...