Self-extinguishing thermoplastic polyurethanes and their preparation

US5837760A · kind A · utility

Assignee

• Elastogran GmbH · DE

Inventors

• Christa Hackl · Bad Essen, DE
• Friedhelm Lehrich · Bohmte, DE
• Gerhard Bittner · Diepholz, DE

Key dates

• Filing date: Jul 21, 1997
• Grant date: Nov 17, 1998
• Expiry date: Jul 21, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/51
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Self-extinguishing thermoplastic polyurethanes contain, as flameproofing agents, one or more organic phosphates and/or one or more organic phosphonates, preferably as a mixture together with melamine derivatives.