| abstract |
[PROBLEMS] To provide a coating agent having excellent water and oil repellency, which is excellent in wear resistance and can be easily applied. (A) a compound (A) having a monovalent group having a perfluoropolyether structure and having at least four functional groups selected from an alkoxy group, an isocyanate group, an epoxy group and an acryloyl group, Is 0.01 to 0.2% by mass with respect to the total mass of the composition, and a solvent for dispersing or dissolving the compound (A). |