公开(公告)号：US20220001647A1

公开(公告)日：2022-01-06

申请号：US17479538

申请日：2021-09-20

Applicant: TOPPAN INC.

Inventor： Nobuhiko IMAI ,  Shigemi SUGIYAMA

IPC: B32B7/12 ,  B32B27/08 ,  B32B27/32 ,  B32B9/06 ,  B32B27/38 ,  B65D65/40

Abstract: A packaging material includes a base material made of a polymer resin composition, a gas barrier vapor deposition layer made of an inorganic compound, a gas barrier coating layer formed by using a compound comprising at least one compound selected from a metal alkoxide, a hydrolyzate of a metal alkoxide, and a polymer of a metal alkoxide, and a hydroxy group-containing polymer compound, an adhesive layer comprising an acid-modified polyolefin resin and a silane coupling agent, and formed in contact with the gas barrier coating layer, and a polyolefin sealant layer, in which the base material and the layers are laminated in the above order.