| 摘要 |
<p>PURPOSE: To obtain a packaging material whose base material such as a paper layer forming a packaging material of a used container can be efficiently separated and recovered so as to facilitate recycling, with which disposal of wastewater to be generated in a process for recycling is easy, safety in food packaging is high, gas barrier property is excellent, and efficiency in protection of contents is high. CONSTITUTION: This packaging material consists of a layered body of a base material such as a paper layer and other films. In between the base material to be recovered and the other films, pullulan layers are provided. For example, a structure having the pullulan layers on both faces of a paper layer of a general paper pack and consisting of a polyethylene film 1, a pullulan layer 2, a plate paper 3, a pullulan layer 4, and a polyethylene film 5 can be named.</p> |
