| abstract |
The present invention provides a cyclic compound in which a lactone compound having 40 mol% to 70 mol% of a (meth) acrylate compound is introduced at its terminal; Linear molecules passing through the cyclic compound; And a blocking group disposed at both ends of the linear molecule to prevent separation of the cyclic compound, and a hard coating layer including a crosslinked product between the polyrotaxane compound (a) and the binder resin (b). It relates to a coating film. |