POUCH FILM LAMINATE, POUCH-TYPE BATTERY CASE, AND POUCH-TYPE SECONDARY BATTERY

The present invention relates to a pouch film laminate including a substrate layer, a gas barrier layer, and a sealant layer laminated in sequence, wherein the sealant layer includes a first sealant layer disposed adjacent to the gas barrier layer, and a second sealant layer laminated on the first sealant layer, the second sealant layer includes a polypropylene (PP)-polydimethylsiloxane (PDMS) copolymer, and the polypropylene (PP)-polydimethylsiloxane (PDMS) copolymer includes polydimethylsiloxane (PDMS) in an amount of 1 wt% to 12 wt%.