RADIATION STERILIZABLE PROPYLENE POLYMER COMPOSITIONS AND ARTICLES MANUFACTURED THEREFROM

摘要

EP-4069 RADIATION STERILIZABLE PRORYLENE POLYMER COMPOSITIONS AND ARTICLES MANUFACTURED THEREFROM A propylene polymer molding composition which is resistant to discoloration and losses in physical properties upon sterilization by high energy radiation is comprised of a blend of a propylene polymer with small amounts of a polymeric hindered amine, an alkyl phosphite and a specific hindered phenolic antioxidant as necessary additives.