LIGHT BLOCKING PACKAGING MATERIAL AND PACKAGING BODY USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive light blocking packaging material and a packaging body using the same which are superior in blocking light and can be subjected to microwave oven process. SOLUTION: This light blocking packaging material is laminated with an inner layer 1, a light blocking adhesive agent layer 2 containing a light blocking adhesive agent and a surface layer 3 in the order. At least one face of both faces of the layer 1 can be provided with a printing layer. The packaging material is provided with two or more light blocking adhesive agent layers each of which is placed through an intermediate layer between the layer 1 and the layer 3. At least one light blocking agent layer which is darker than the outermost light blocking agent layer adjoining the surface layer 3 can be provided closer to the inner layer 1 side than the outermost light blocking adhesive agent layer. COPYRIGHT: (C)2006,JPO&NCIPI