Compression set

US12082704B2 · kind B2 · utility

Assignee

• Evonik Operations GmbH · DE

Inventors

• Rüdiger Landers · Essen, DE
• Daniela Hermann · Düsseldorf, DE
• Isabelle Denise Wessely · Karlsruhe, DE
• Michael Ferenz · Essen, DE
• Rainer Ziegler · Waiblingen, DE

Key dates

• Filing date: Oct 14, 2020
• Grant date: Sep 10, 2024
• Expiry date: Jan 14, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2110/0083
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

What are described are shaped hot-cure flexible PU foam articles, preferably mattresses and/or cushions, wherein the hot-cure flexible polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of at least one compound of formula (1a) and at least one compound of formula (1b) and at least one blowing agent and at least one catalyst.