According to the present invention, there is provide a coated film capable of exhibiting an excellent adhesion property to a prism resin used in optical applications such as a backlight unit for liquid crystal displays, etc., in particular, a prism resin adaptable for high-brightness prisms, i.e., a high-refractive index prism resin. The coating film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is prepared from a coating solution comprising a (meth)acrylate (A) and at least one crosslinking agent (B) selected from the group consisting of an oxazoline compound, an isocyanate-based compound and a melamine compound.
根据本发明,提供了一种涂膜,该涂膜能够对用于液晶显示器背光单元等光学应用的棱镜
树脂,特别是适用于高亮度棱镜的棱镜
树脂,即高折射率棱镜
树脂,表现出优异的粘附性能。本发明的涂膜包括聚酯薄膜和形成在聚酯薄膜至少一个表面上的涂膜层,涂膜层是由涂膜溶液制备的,涂膜溶液包括(甲基)
丙烯酸酯(A)和至少一种
交联剂(B),
交联剂(B)选自
恶唑啉化合物、
异氰酸酯基化合物和
三聚氰胺化合物。