Prepolymer mixture containing silyl groups and use thereof

US8101681B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Matthias Kohl · Weinheim, DE
• Manfred Probster · Schallstadt, DE

Key dates

• Filing date: Jun 12, 2009
• Grant date: Jan 24, 2012
• Expiry date: Jul 11, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Monocomponent water-hardening adhesive/sealant compositions comprising mixtures of at least one silane-functional polyoxyalkylene prepolymer and at least one silane-functional polyolefin are described. These compositions may optionally comprise other nonpolar plasticizers, as well as catalysts, fillers, and adhesives. Such adhesive/sealant compositions exhibit outstanding adhesion to plastic substrates and to painted surfaces, whereby the adhesion is maintained even after storage in wet conditions.