Polyurethane particle foam with polyurethane coating

US11920013B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Frank Prissok · Bohmte, DE
• Michael Harms · Bohmte, DE
• Martin Vallo · Bramsche, DE

Key dates

• Filing date: Feb 3, 2021
• Grant date: Mar 5, 2024
• Expiry date: Mar 15, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2475/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Coated shaped articles contain at least one shaped article with foamed beads containing at least one polyurethane (A) and at least one coating containing at least one polyurethane (B), wherein polyurethane (A) and polyurethane (B) are each constructed from at least one polyol and at least one polyisocyanate and wherein not less than 50 wt % of the polyol component used for constructing polyurethane (A) and polyurethane (B) is identical and not less than 50 wt % of the at least one polyisocyanate component used for constructing polyurethane (A) and polyurethane (B) is identical. Processes for producing the coated shaped articles and the method of using the coated shaped articles for various applications can be utilized.