The invention discloses a preparation method of aging-resistant polyglycolic acid. The method includes the following steps: pre-polymerizing molten glycolide-containing fluid premix in a static mixer to obtain glycolic acid prepolymer; conducting final polymerization of the prepolymer through a viscosity increasing device to prepare high-molecular-weight polyglycolic acid.

Area Code: CN

Application Number: CN202110691905.8