| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a paper packaging material of small water permeability, good waterproofness or water resistance and suitable for filling and packaging a liquid food, which is used for a paper packaging container for a milk or a liquid milk product and provided with the prolonged shelf-life, not generating the inconvenience of bulging out of a container main body of the container filled with a liquid food in the distribution process and retaining the mechanical strength of the entirety of the container. SOLUTION: A paper packaging material is used for manufacturing a paper container to be filled with a milk or a liquid milk product and formed of a blank sheet of a laminated constitution of a low density polyethylene layer 1, an anchor coat layer, an oriented polypropylene film (OPP) 2, an anchor coat layer, a low density polyethylene laminated layer 3, a paper base layer 4 and an outer low density polyethylene layer 5, all of which are laminated successively in the above order starting the innermost side toward the outermost side.</p> |
