ELASTOMERIC THERMOPLASTIC COPOLYETHER-ESTERS ENDOWED WITH IMPROVED THERMO-OXIDATION RESISTANCE

摘要

The thermo-oxidative resistance of elastomeric thermoplastic copolyether-esters is significantly improved by the addition of a synergistic mixture consisting of an organo-phosphite and a pentaerythritol phosphite. The corresponding copolyether-ester compositions are useful for extrusion, blow and injection molding.