Epoxy compositions having improved impact resistance

US7919555B2 · kind B2 · utility

Assignees

• Henkel AG & Co. KGaA · DE
• Loctite (R&D) Limited Ltd. · IE

Inventors

• Rajat K. Agarwal
• Olaf Lammerschop · Krefeld, DE
• Rainer Schoenfeld · Goldkronach, DE
• Hubert Schenkel · Sandhausen, DE
• Barry N. Burns · Dublin, IE
• Matthew J. Holloway · Naas, IE
• Mary B. Ward · Dublin, IE
• Martin J. Fitzpatrick · Dublin, IE
• Jonathan P. Wigham · Dublin, IE

Key dates

• Filing date: Feb 21, 2008
• Grant date: Apr 5, 2011
• Expiry date: Aug 18, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2666/08
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to compositions useful as adhesives and more particularly to the preparation of heat-cured epoxy-based adhesive compositions with improved impact resistance and good adhesion to oily metal substrates.