Lg Chem, Ltd

Myung Hyun Jo

Jang Soon Kim

Joo Hee Hong

Hye Jin Sim

Hong Kwan Cho

A multilayer marking film is disclosed herein. In some embodiments, a multilayer marking film includes, in sequential order, an adhesive layer, a colored base layer having a first color, and a colored coating layer having a second color, wherein information can be written by laser irradiation on the colored coating layer.

Multilayer marking film

An exemplary embodiment of the present invention provides a multilayer marking film including: an adhesive layer; a colored base layer having a first color; and a colored coating layer having a second color, in which the first color and the second color are different from each other, the colored coating layer, the colored base layer, and the adhesive layer are sequentially provided, the colored base layer includes a cured material of a base composition including: a urethane (meth)acrylate oligomer; a (meth)acrylate monomer including one or more selected from the group consisting of a cyclo-aliphatic (meth)acrylate monomer, an epoxy-based (meth)acrylate monomer, an aliphatic (meth)acrylate monomer, and a polyol-based (meth)acrylate monomer; and a pigment, and the colored coating layer is etched by laser irradiation.

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Daejeon, South Korea

Myung Hyun Jo