PURPOSE: To form a plastic container showing excellent shielding properties in spite of a white surface color by holding a plastic layer colored with aluminum pigment between plastic layers colored with titanium pigment.
CONSTITUTION: A plastic layer substantially containing aluminum pigment is held between plastic layers colored with titanium pigment. The layer containing the aluminum pigment is effective in shielding properties and low in the color transfer effect on the white color of the surface layers. The layer colored white using the titanium pigment is one for making appearance white and a coloration method performed generally can be adapted. By this method, a container having excellent shielding properties, capable of preventing the deterioration of a content such as food due to light because of a white surface color, suitable for long-term preservation and rich in a clean feeling can be obtained.
JPS4963774A | 1974-06-20 |
Next Patent: EMBOSS IMPARTING FILM, PREPARATION THEREOF AND PREPARATION OF MOLDED PRODUCT WITH EMBOSSED PATTERN