Heat-sensitive polyurethane dispersions

US4888379A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Henning · Zorneding, DE
• Wolfram V. Langenthal · Pulheim, DE
• Hermann Perrey · Krefeld, DE
• Hellmut Striegler · Leverkusen, DE

Key dates

• Filing date: Jun 22, 1987
• Grant date: Dec 19, 1989
• Expiry date: Jun 22, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2375/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to heat-sensitive polyurethane dispersions and their use in the preparation of hollow articles by the dipping-process, for coating webs and the production of elastomeric filaments.