Title:
GAS BARRIER LAMINATE AND PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/039337
Kind Code:
A1
Abstract:
The present invention provides: a laminate which is capable of, even if an OPP film comprising an aluminum oxide layer is used when manufacturing a gas barrier laminate by bonding a plurality of films using an adhesive, exhibiting gas barrier properties comparable to those of a PET film comprising an aluminum oxide layer; and a packaging material using said laminate. This laminate is characterized by having a base material composed of biaxially drawn polypropylene, an aluminum oxide layer disposed on the base material, and a gas barrier adhesive layer disposed on the aluminum oxide layer. This packaging material is obtained by using said laminate.
Inventors:
TAKEDA HIROYUKI (JP)
ARAI MASAMITSU (JP)
ARAI MASAMITSU (JP)
Application Number:
PCT/JP2020/030109
Publication Date:
March 04, 2021
Filing Date:
August 06, 2020
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B32B9/00; B32B27/32; B65D65/40
Foreign References:
| JP2018171797A | 2018-11-08 | |||
| JP2014035011A | 2014-02-24 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
Download PDF:
Previous Patent: CONNECTOR AND ELECTRONIC DEVICE
Next Patent: TWO-PACK TYPE ADHESIVE, MULTILAYER BODY, MOLDED BODY AND PACKAGING MATERIAL
Next Patent: TWO-PACK TYPE ADHESIVE, MULTILAYER BODY, MOLDED BODY AND PACKAGING MATERIAL