公开(公告)号：US20230235110A1

公开(公告)日：2023-07-27

申请号：US18042800

申请日：2021-08-30

申请人： Covestro Deutschland AG

发明人： Anna-Marie Zorn ,  Christoph Thiebes ,  Beate Baumbach ,  Annika Hill ,  Michael Weinkraut ,  Mike Schuetze

IPC分类号： C08G18/10 ,  C08G18/50 ,  C08G18/30 ,  C09J175/08

CPC分类号： C08G18/10 ,  C08G18/5021 ,  C08G18/307 ,  C09J175/08 ,  C08G2170/00 ,  C08G2150/00 ,  C08G2190/00

摘要： The present invention relates to isocyanate-terminated prepolymers based on polyoxymethylene-polyoxyalkylene block copolymers, to a process for their preparation, and to the use of these isocyanate-terminated prepolymers as isocyanate components in 1- and 2-component systems for coatings, adhesives and sealants.