abstract |
It is an object of the present invention to provide a fluorine-containing copolymer having excellent oil repellency and high solubility in a general solvent (fluorine-free organic solvent), and a oil repellent and / or water repellent coating agent containing the same. The present invention relates to compounds of formula (1) Wherein R a1 , R a2 , R a3 , X a , X c , Q, R c , k and n1 are as described in the specification. |