Patent attributes
Provided is a high-gloss, multilayer plastic container, comprising: (1) a transparent polyester-based resin outer layer; (2) a transparent adhesive resin layer; and (3) a colored polyolefin-based resin layer in the stated order from an outer surface side of the container, wherein: the transparent polyester-based resin outer layer has a surface roughness Ra of 0.2 μm or less; and an interface between (2) the transparent adhesive resin layer and (3) the colored polyolefin-based resin layer has a concavoconvex level of 15 μm or less. An interface between (1) the transparent polyester-based resin outer layer and (2) the transparent adhesive resin layer preferably has a concavoconvex level of 15 μm or less. According to the present invention, a multilayer plastic container having an even, smooth surface, a high-gloss, deep color tone, and an extremely excellent external appearance can be obtained.