PROCESS FOR PURIFYING POLY (ALKYLENE CARBONATE)

摘要

A process for purifying a poly(alkylene carbonate), said process comprising the steps of adding said poly(alkylene carbonate) to an aqueous solution, optionally in the presence of an acid compound, in the absence of any organic solvent. subsequently heating said blend to a temperature of up to 200°C; and removing the aqueous phase and drying the residue.