Composite foam article

US11926137B2 · kind B2 · utility

Assignee

• PROPRIETECT L.P. · CA

Inventors

• David M. Begg · Mississauga, CA
• Kevin Liping Dong · Vaughan, CA
• Dorota Ulman · Mississauga, CA
• Scott D. Wheeler · Stoney Creek, CA
• Le-Cheng Jimmy Lin · Vaughan, CA

Key dates

• Filing date: Sep 25, 2019
• Grant date: Mar 12, 2024
• Expiry date: Oct 29, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R13/0212
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A composite foam article is disclosed herein. The composite foam article comprises a polyurethane foam core presenting a first surface and a second surface facing opposite the first surface. A first skin is disposed on the first surface and a second skin is disposed on the second surface. The polyurethane foam core has a density of 15-80 kg/m3. The first and second skins comprise a plurality of fibers and a polymeric binder. The composite foam article has a weight per unit area of 500-1000 g/m2 and a strength of greater than 17 N at a post-compression thickness of greater than 2 mm when tested in according with SAE J949 at 23° C.