| abstract |
An oil-repellent waterproof breathable filter that has a small environmental load and has excellent liquid repellency against ketone solvents and ester solvents, and a method for producing the same. An oil-repellent waterproof breathable filter in which a base material having a continuous porous structure is coated with a coating material containing a fluoropolymer having a perfluoroalkyl group, wherein the fluoropolymer has an α-position. Is a chlorine atom, has a structural unit based on an acrylate having a C1-C6 perfluoroalkyl group, and the proportion of the structural unit is 40 to 100% by mass in all the structural units. Moreover, the manufacturing method of the oil-repellent waterproof breathable filter which processes the said base material with the oil-repellent waterproofing agent composition containing the said coating material and a medium, and removes the said medium. [Selection figure] None |