Hydrophilic oil repellent agent and method for manufacturing same, and surface covering material, coating film, resin composition, oil-water separation filter medium, and porous body
The hydrophilic oil repellent includes one or more types of nitrogen-containing fluorine-based compounds. The nitrogen-containing fluorine-based compound includes any one hydrophilicity imparting group selected from the group consisting of anion type hydrophilicity imparting groups, cation type hydrophilicity imparting groups, and amphoteric type hydrophilicity imparting groups in the molecule.