公开(公告)号：WO2021009186A1

公开(公告)日：2021-01-21

申请号：PCT/EP2020/069922

申请日：2020-07-15

Applicant: CHEMETALL GMBH

Inventor： QIU, Xueting ,  SCHOCK, Stuart

IPC: C23C22/06 ,  C08G18/10 ,  C08G18/72 ,  C08L75/04 ,  C09D175/04 ,  C23C22/08 ,  C23C22/36 ,  C08G18/12 ,  C09D5/08 ,  C08G18/79 ,  C08L75/12 ,  C23C22/34 ,  C08G18/08 ,  C08G18/32 ,  C08G18/28 ,  C08G18/70 ,  C08G18/80

Abstract: The presently claimed invention relates to a composition comprising at least one polyurethane polymer. The presently claimed invention particularly relates to use of the composition comprising at least one polyurethane polymer for metal pre-treatment and a process for metal pre-treatment.