Polyurethane particle foam with polyurethane coating

US10941263B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

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

Key dates

• Filing date: Apr 14, 2015
• Grant date: Mar 9, 2021
• Expiry date: May 25, 2035

Classification

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

Abstract

The present invention relates to coated shaped articles comprising at least one shaped article comprising foamed beads comprising at least one polyurethane (A) and at least one coating comprising 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. The present invention further relates to processes for producing the coated shaped articles of the present invention and also to the method of using the coated shaped articles of the present invention for various applications.