Coated open-cell polyurethane foam structures with thermal absorption capabilities

US11659938B2 · kind B2 · utility

Assignee

• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• Kaoru Aou · Lake Jackson, US
• Wenbo Xu · Lake Jackson, US
• Yibei Gu · Redwood City, US
• Douglas A. Brune · Midland, US
• Laura J. Dietsche · Midland, US
• Marc S. Black · Midland, US

Key dates

• Filing date: Aug 21, 2019
• Grant date: May 30, 2023
• Expiry date: Aug 21, 2039

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B32B2307/302
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

The present disclosure provides for a coated flexible open-cell polyurethane foam structure. The coated flexible open-cell polyurethane foam structure includes a flexible open-cell polyurethane foam having a first major surface and a second major surface opposite the first major surface. The coated flexible open-cell polyurethane foam structure further includes a flexible heat conductive material covering 30 to 90 percent (cov., expressed in %) of a surface area of the first major surface of the flexible open-cell polyurethane foam in a predefined shape to provide one or more gaps exposing the flexible open-cell polyurethane foam between defined edges of the flexible heat conductive material, where each gap of the one or more gaps has a gap width according to Formula I: gap width (mm)≤−0.196×cov. (%)+20.6 (Formula I) where a total surface area of the one or more gaps provides 70 to 10 percent of the surface area of the first major surface of the flexible open-cell polyurethane foam.