A plastic molded article laminated a layer with a photochromic property and/or a layer with a polarization property on at least one side of a base material, said base material being a polycarbonate having a photoelastic constant of 55×10
−12
m
2
/N or below.
一种塑料成型品,在基材的至少一面层压了一层具有光致变色特性的层和/或一层具有偏振特性的层,所述基材为聚
碳酸酯,其光弹性常数为 55×10
-12
m
2
/N或更低。