| 摘要 |
<p>PROBLEM TO BE SOLVED: To abate, by targeting a metal foil laminate obtained by laminating a polyolefinic resin layer 1, a print layer 2, and a metal foil 3 in proper order, the attenuation, over time, of the adhesion force of the polyolefinic resin layer 1 and print layer 2.SOLUTION: The provided metal foil laminate is obtained by laminating a polyolefinic resin layer 1, a print layer 2, and a metal foil 3 in this order. The print layer 2 includes, within a synthetic resin, a pigment 4 and a silica powder 5 having particle diameters larger than those of the pigment 4. The content of the silica powder 5 within the print layer 2 is higher than the content of the pigment 4. This metal foil laminate is used suitably as a lid material for a press-through pack using the polyolefinic resin layer 1 as a heat-seal layer. A press-through pack obtained by using this lid material is capable of preventing the inward curling of the container body side and the peeling of the container body and lid material.</p> |
