| 摘要 |
<p>A packaging material for photosensitive materials which comprises a laminated film comprising a thermoplastic resin heat seal layer (2a) and a metal foil (M) or metallized flexible sheet layer (III M) laminated through a linear low density polyethylene resin extrusion laminating adhesive layer (5) of which the resin composition is 30 to 90 wt. % of linear low density polyethylene resin being a copolymer resin of ethylene and alpha -olefin and 70 to 10 wt. % of high pressure low density polyethylene resin, the melt index of the blended resin is 5 to 20 g/10 minutes, the density of the blended resin is 0.870 to 0.930 g/cm<3>, the optical density of the transmitted light of said laminated film is more than 4.0, and the moisture permeability of the laminated film is less than 2.0 g/m<2> . 24 hours.</p> |
