| abstract |
An object of the present invention is to provide a laminate excellent in laminate strength having a polyester film having a furandicarboxylic acid unit and a heat sealable resin layer, and a packaging bag having the same. A laminate comprising a polyester film and a heat sealable resin layer, wherein the polyester film is a biaxially oriented polyester film containing a polyethylenefurane carboxylate resin composed of furandicarboxylic acid and ethylene glycol, The surface orientation coefficient (DELTA) P of a film is 0.005 or more and 0.200 or less, the thickness of the said film is 1 micrometer or more and 300 micrometers or less, and the thermal contraction rate when it heats at 150 degreeC of said film for 30 minutes is 10% or less, Laminate strength is 2.0N / 15mm or more, The laminated body characterized by the above-mentioned. |