| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve barrier property against oxygen or the like, strength and fitness for filling and packaging and preservability for contents and also to support environmental protection by using a laminate comprising a paper base, a crystalline aromatic polyamide resin layer and a heat-bonding resin layer as an innermost layer. SOLUTION: The barrier paper container is formed by using a laminate A comprising, from the outside toward the inside, a paper base 2, a biaxially oriented crystalline aromatic polyamide resin layer 2 and a heat-bonding resin layer 3 which are successively laminated. At the time of preparing the laminate A, the paper base 1 and the crystalline aromatic polyamide resin layer 2 are preferably laminated by extrusion-laminating the resin layer 2 directly onto the paper base 1, and further the resin layer 2, an adhesive resin layer and the heat-bonding resin layer 3 are preferably laminated by co-extruding the three layers simultaneously. In addition, corona treatment or frame treatment can be done on a surface of the paper base 1 in advance.</p> |
