公开(公告)号：US12269247B2

公开(公告)日：2025-04-08

申请号：US18008509

申请日：2021-05-21

Applicant: BASF SE

Inventor： Ulrike Licht ,  Oliver Hartz ,  Lionel Gehringer ,  Sabine Bociek ,  Erich Ries ,  Juergen Ahlers ,  Stephan Dohmen

IPC: B32B43/00 ,  B32B1/08 ,  B32B5/02 ,  B32B5/18 ,  B32B5/24 ,  B32B7/12

Abstract: A method is described for debonding a bonded article. The bonded article comprises at least two components which are bonded to one another by means of a polyurethane adhesive selected from aqueous polyurethane dispersion adhesives and polyurethane hotmelt adhesives. At least one of the components is a thermoplastic polyurethane. The components are debonded by treatment with an aqueous surfactant composition at elevated temperatures.