| abstract |
(57) [PROBLEMS] To obtain a water / oil repellent composition exhibiting excellent dispersion stability even when a concomitant drug or a contaminant is present in a processing bath. An aqueous medium, a polymer containing polymerized units of (meth) acrylate containing R f groups, and a surfactant containing 5 or more cationic nitrogen atoms and oxyalkylene units in the molecule. (C), a nonionic surfactant (d), and a cationic surfactant (e) other than (c). |