Processing of used polycondensate material, useful for the recycling of PET bottles comprises removal of a surface layer of the polycondensate material prior to melting.

摘要

A process for the processing of used polycondensate material, preferably polyethylene terephthalate (PET) comprises removal of a surface layer of the polycondensate material; melting the polycondensate material; and increasing the mol. wt. of the polycondensate material.