THERMOPLASTIC POLYURETHANE, MANUFACTURE THEREOF, AND MANUFACTURE OF MEDICAL EQUIPMENT

摘要

Thermoplastic polyurethanes having at least an essentially linear structure are obtained from organic polyisocyanates, polyester derivatives of a dicarboxylic acid having at least 14 C atoms, the polyester derivatives having at least two hydrogen atoms reactive to isocyanates, and nonphenolic chain extenders.