公开(公告)号：US20240025612A1

公开(公告)日：2024-01-25

申请号：US18257132

申请日：2021-12-14

Applicant: TOPPAN INC.

Inventor： Jin SATO ,  Shinya OCHIAI ,  Tsukasa KITAHARA

IPC: B65D75/00 ,  B32B27/08 ,  B32B7/12 ,  B32B27/32 ,  B65D81/34

CPC classification number: B65D75/008 ,  B32B27/08 ,  B32B7/12 ,  B32B27/32 ,  B65D81/3415 ,  B32B2250/02 ,  B32B2250/242 ,  B32B2307/31 ,  B32B2307/72 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2439/70 ,  B32B2439/46

Abstract: A laminate according to an aspect of the present disclosure is a laminate including a substrate layer, a sealant layer, and an adhesive layer disposed between the substrate layer and the sealant layer, the adhesive layer being in contact with the sealant layer, in which the substrate layer is formed from an unstretched film containing a polyethylene having a density of 0.940 g/cm3 or more as a main component, the sealant layer is formed from an unstretched film containing a polyethylene as a main component, and a content of polyethylene occupying the laminate is 90% by mass or more.