Patent ID: 11920013
Assignee: BASF SE
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 5:
6. A process for producing at least one coated shaped article, the process comprising:
(i) providing foamed beads comprising at least one thermoplastic polyurethane (A), wherein said foamed beads have a compact outer skin,
(ii) fusing or adhering the foamed beads in the desired shape to obtain a shaped article, and
(iii) applying a coating comprising at least one polyurethane (B) to the shaped article,
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 at least one 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,
wherein the coating has a thickness in the range from 50 to 1000 urn, and
wherein the shaped article is selected from a shoe sole, bicycle saddle, cushioning, mattresses, underlays, grips, protective foils, structural components for the automotive interior and exterior, balls and sports implements or floorcovering, sports surfaces, athletic running tracks, sports halls, playgrounds and footpaths.