Sealant compositions

US4780521A · kind A · utility

Assignee

• Teroson GmbH · DE

Inventors

• Edward W. Duck · Leimen, DE
• Ingolf Scheffler · Wiesloch, DE

Key dates

• Filing date: Dec 18, 1987
• Grant date: Oct 25, 1988
• Expiry date: Dec 18, 2007

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31605
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A polyurethane sealant, particularly suitable for forming the seal around a double glazing unit, is formed by reacting an isocyanate component with a reactive component that is an isoprene polymer having terminal functional groups.