| abstract |
The invention provides a laminate having excellent lamination strength and a packaging bag having the laminate, wherein the laminate comprises a polyester film having a furandicarboxylic acid unit and a heat-sealable resin layer. A laminate comprising a polyester film and a heat-sealable resin layer, wherein the polyester film is a biaxially oriented polyester film comprising a polyethylene furandicarboxylate resin formed from furandicarboxylic acid and ethylene glycol, the film has a plane orientation coefficient [ Delta ] P of 0.005 or more and 0.200 or less, the film has a thickness of 1 [ mu ] m or more and 300 [ mu ] m or less, the film has a heat shrinkage rate of 10% or less when heated at 150 ℃ for 30 minutes, and the laminate has a lamination strength of 2.0N/15mm or more. |