Fast setting 1k-polyurethane glue

US7253244B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Bernhard Gruenewaelder · Hilden, DE
• Werner Haller · Erkrath, DE
• Bernhard Schoettmer · Monheim, DE
• Thomas Empt · Viersen, DE
• Hermann Kluth · Goldkronach, DE

Key dates

• Filing date: Mar 11, 2004
• Grant date: Aug 7, 2007
• Expiry date: Oct 23, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/482
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A one-pack polyurethane adhesive containing a polyisocyanate prepolymer and at least one aminoether polyol, having a molar ratio of ether groups to amino nitrogen in the aminopolyether polyol of 7 to 30.