JP2007284105A5 - - Google Patents

Claims (6)

  A laminated film in which a base material layer (1), a first bonding layer (2), an intermediate layer (3), a second bonding layer (4), and a sealant layer (5) are sequentially laminated, the intermediate layer (3) is a polyolefin-based resin film, the sealant layer (5) is a linear low density polyethylene resin film, and the second bonding layer (4) is formed by extrusion lamination and has a thickness of 3 to 13 μm. A laminated film for packaging a fluid containing fats and oils, which is a polyethylene resin layer.   The base material layer (1) is at least one film selected from the group consisting of a biaxially stretched nylon film and a biaxially stretched polyester film, and the base material layer (1), the intermediate layer (3), The laminated film according to claim 1, further comprising a gas barrier layer (7) laminated therebetween.   A multi-packaging bag for fluid packaging containing fats and oils, which is produced by heat sealing using the laminated film according to claim 1 or 2 with the sealant layer (5) inside.   Filling and sealing the fluid containing fats and oils in the multiple packaging bag according to claim 3, and using a differential scanning calorimeter of linear low density polyethylene resin at 70 ° C or higher and forming the sealant layer (5). A packaging method for a fluid containing fats and oils, which is heat-treated at a temperature not higher than 5 ° C. lower than the measured crystal melting peak temperature Tpm.   The wrapping bag according to claim 3 is hermetically filled with a liquid / viscous food containing fats and oils, and has a peel strength between the intermediate layer (3) and the sealant layer (5) of the laminated film. Multi-wrapping body in the range of 5 to 100 g / 15 mm. A multi-packaging body in which a fluid containing oils and fats is packaged in a bag made by heat sealing with the sealant layer (5) on the inside using the laminated film according to claim 1 or 2.