申请人:DAIKIN INDUSTRIES, LTD.
公开号:EP3865524A1
公开(公告)日:2021-08-18
Provided is a surface treatment agent comprising (A) a fluorine-containing polymer including a repeat unit derived from a fluorine-containing monomer (A1) and a repeat unit derived from a hydrocarbon group-bearing fluorine-free monomer (A2), and (B) a liquid medium. The fluorine-free monomer (A2) is preferably at least one monomer selected from the group consisting of (A2-1) R22-C(=O)-NH-R23-O-R21, (A2-2) CH2=C(-R32)-C(=O)-Y31-Z31(-Y32-R31)n, and (A2-3)X41N(H)r-R41. The surface treatment agent imparts an excellent water/oil repellency to base materials, e.g., fibers.
本发明提供了一种表面处理剂,该表面处理剂包括 (A) 含氟聚合物,其中包括由含氟单体 (A1) 衍生的重复单元和由含烃基的无氟单体 (A2) 衍生的重复单元;以及 (B) 液体介质。无氟单体(A2)最好是至少一种选自以下组别的单体:(A2-1) R22-C(=O)-NH-R23-O-R21, (A2-2) CH2=C(-R32)-C(=O)-Y31-Z31(-Y32-R31)n, 和 (A2-3)X41N(H)r-R41。表面处理剂可使基材(如纤维)具有极佳的拒水/拒油性。