Cross-linkable polymer blends containing alkoxysilane-terminated polymers

US7094859B2 · kind B2 · utility

Assignee

• Consortium für elektrochemische Industrie GmbH · DE

Inventors

• Wolfram Schindler · Burgkirchen an der Alz, DE
• Uwe Scheim · Coswig, DE
• Bernd Pachaly · Schweich, DE

Key dates

• Filing date: Dec 19, 2002
• Grant date: Aug 22, 2006
• Expiry date: Jan 5, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2190/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Alkoxysilane-terminated polymers prepared by reacting an isocyanatoalkoxysilane, preferably an isocyanatodialkyalkoxysilane, with an isocyanate-reactive prepolymer, can provide chain extension even when a monoalkoxy-functional silane, while retaining suitable reactivity profiles. The products are useful in sealants, caulks, coatings, and moldings.