| abstract |
Provided is a laminated body, a bag body using the laminated body, and a lithium ion battery, wherein the laminated body has heat sealability, barrier properties, and mechanical strength, and suppresses elution of impurities from a surface in contact with a drug solution, and is exposed to high temperature. It is not easy to cause peeling or the like at the interface between the sealing portion of the bag body and the laminated body.nA laminate having a first layer of a fluorine-containing resin, a second layer containing a barrier material, a third layer of a fluorine-containing resin, and a fourth layer containing a polyamide, and a fluororesin of the first layer The fluororesin of the third layer is a fluororesin having a melting point of 160 to 230 ° C and having an adhesive functional group. |