THERMOPLASTIC POLYURETHANES FROM POLYOL BLENDS

• Main Authors: OERTEL, RICHARD W., III, EHRLICH, BENJAMIN S
• Format: Patent
• Language: English; French
• Published: 23.10.1984
• Edition: 7
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Thermoplastic polyurethane elastomers are disclosed which have flexural moduli of at least about 9,000 psi at ambient temperature and which are characterized by improved low temperature impact strength over prior art polyurethane elastomers with comparable physical properties. The subject elastomers...