To provide a water/oil repellent composition which can impart sufficient post-air-drying water/oil repellency to the surface of an article, and which presents a low environmental impact, and an article having its surface treated with the water/oil repellent composition.
A water/oil repellent composition comprising a copolymer (A) having structural units based on a monomer (a), structural units based on a monomer (b), structural units based on a monomer (c) and/or structural units based on a monomer (d); and an aqueous medium (B) containing water, and a film-forming assistant (x) and/or a film-forming assistant (y). Monomer (a): a monomer having a C1-6 polyfluoroalkyl group, monomer (b): vinylidene chloride, monomer (c): a monomer, the homopolymer of which has a glass transition temperature of at least 20°C, monomer (d): a monomer having a crosslinkable functional group, film-forming assistant (x): a specific amide solvent, and film-forming assistant (y): a specific glycol solvent.
提供一种可在物品表面赋予充分的风干后拒
水/拒油性且对环境影响较小的拒
水/拒油组合物,以及一种其表面经该拒
水/拒油组合物处理的物品。
一种防
水/防油组合物,包括共聚物 (A),其结构单元基于单体 (a)、结构单元基于单体 (b)、结构单元基于单体 (c) 和/或结构单元基于单体 (d);以及含
水介质 (B)、
成膜助剂 (x) 和/或
成膜助剂 (y)。单体 (a):具有 C1-6 多氟烷基的单体;单体 (b):亚
乙烯基氯;单体 (c):
玻璃化转变温度至少为 20°C 的均聚物;单体 (d):具有可交联官能团的单体;
成膜助剂 (x):特定的酰胺溶剂;
成膜助剂 (y):特定的
乙二醇溶剂。