公开(公告)号：US20230258980A1

公开(公告)日：2023-08-17

申请号：US18125504

申请日：2023-03-23

Applicant: TOPPAN INC.

Inventor： Miki FUKUGAMI ,  Shigekazu YASUTAKE ,  Kaoru FURUTA

IPC: G02F1/1335

CPC classification number: G02F1/133614 ,  C23C14/081

Abstract: A gas barrier film according to an aspect of the present disclosure includes, in this order: a substrate; a first AlOx-deposited layer; a gas barrier intermediate layer; a second AlOx-deposited layer; and a gas barrier coating layer, each of the first and second AlOx-deposited layers having a thickness of 15 nm or less, each of the gas barrier intermediate layer and the gas barrier coating layer having a thickness of 200 to 400 nm, the gas barrier coating layer having a first complex modulus of 7 to 11 GPa at a measurement temperature of 25° C. and a second complex modulus of 5 to 8 GPa at a measurement temperature of 60° C., the first and second complex moduli being measured by nanoindentation.

公开(公告)号：US20230053232A1

公开(公告)日：2023-02-16

申请号：US17973694

申请日：2022-10-26

Applicant: TOPPAN INC.

Inventor： Miki FUKUGAMI ,  Kaoru FURUTA

IPC: B32B27/08 ,  B32B27/32 ,  B65D65/40 ,  B32B1/08

Abstract: A gas barrier film including: a substrate layer containing polypropylene; a resin layer containing a copolymer of propylene and another monomer; a vapor deposition layer of an inorganic oxide; and a gas barrier layer, laminated in this order, wherein the vapor deposition layer has a thickness of 5 nm to 300 nm, the resin layer has a thickness of 0.3 µm or more, and a surface of the resin layer facing the vapor deposition layer has at least one softening temperature in a range of 100° C. to 170° C. when measured by local thermal analysis (LTA).

公开(公告)号：US20230257172A1

公开(公告)日：2023-08-17

申请号：US18135953

申请日：2023-04-18

Applicant: TOPPAN INC.

Inventor： Takeshi NISHIKAWA ,  Kaoru FURUTA ,  Miki FUKUGAMI ,  Ayumi TANAKA ,  Mikinori YAMADA

IPC: B65D65/40 ,  B32B27/32 ,  B65D65/42 ,  B65D81/24

CPC classification number: B65D65/40 ,  B32B27/32 ,  B65D65/42 ,  B65D81/24 ,  B32B2255/26 ,  B32B2255/205 ,  B32B2255/10 ,  B32B2255/28 ,  B32B27/08

Abstract: A gas barrier laminate including: a substrate layer which contains a polyolefin resin; a barrier layer; and an overcoat layer which contains a polyvinyl alcohol resin, the overcoat layer having a surface which has a surface hardness of 1.5 GPa or less, as measured by a nanoindentation method.