| abstract |
A coating agent, hardened product and film are provided. The coating agent provided by the present disclosure comprises: a hydroxyl-containing (meth)acrylic copolymer (A) with a glass transition temperature of 30° C. to 110° C. and a hydroxyl value of 30 mgKOH/g to 150 mgKOH/g, a polyisocyanate (B). ), and one or more particles (C) selected from the group consisting of silica particles having a volume average particle diameter of 1.5 μm to 6.5 μm and organic particles containing nitrogen atoms. |