How to improve the heat and light stability of polyester

摘要

And provides a method for improving the thermal and light stability of the polyester challenges. Polyester, a method for improving the thermal and light stability of the polyester fibers in particular, A1 The present invention describes a method comprising adding a chain extender to said polyester. Especially, dianhydride, preferred chain extenders, or a mixture thereof hindered phenolic aromatic alcohol and phosphate. None [Selection Figure]