| abstract |
A laser marking multilayer sheet for electronic passports having three sheets of sheet A / multilayer sheet B / sheet C as basic constituent units, wherein the sheet A comprises a transparent polycarbonate resin composition containing a thermoplastic polycarbonate resin and a laser light energy absorber The multilayer sheet B is made of a transparent thermoplastic resin containing a thermoplastic polycarbonate resin, and at least one of the skin layer and the core layer of the multilayer sheet B contains one or more selected from dyes and pigments. Sheet C is a laser marking multilayer sheet for electronic passports made of a sheet or a laminate sheet. Excellent laser marking properties, high contrast, clear letters, symbols and images can be obtained, heat fusion, transparency, sheet transportability, release from mold after hot pressing, heat resistance, folding Provide a laser marking multilayer sheet for electronic passports that has both high performance and wear resistance. |