Polyether ester elastomer comprising polytrimethylene ether ester soft segment and tetramethylene ester hard segment

摘要

A polyether ester elastomer comprising about 90-about 60 weight % polytrimethylene ether ester soft segment and about 10-about 40 weight % tetramethylene ester hard segment, and use thereof in fibers and other shaped articles. The fibers have excellent physical properties, including superior strength and stretch recovery.