LABEL WITH MULTILAYERED STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a label having a multilayered structure. SOLUTION: This label has a multilayered structure having the following features. (a) The label has a base layer (a) comprising a plastic material. (b) The base layer contains such an additive which changes its color by irradiation of laser light and (c) the one face of the base layer is coated with a self-adhesive compsn. (d) This compsn. is coated with a release paper or a release film if necessary. (e) The other side of the base layer is coated with one or more protective films laminated with each other. (f) The protective film is transparent with respect to laser light and transmits laser light and is coated with a self-adhesive coating film.