Title:
STRETCHED BASE MATERIAL, PRINTING BASE MATERIAL, BARRIER SEALANT FILM, LAMINATE, AND PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2023/190907
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a base material useful for a packaging material that is for producing a packaging bag having excellent recycling properties and fragrance retention properties. The stretched base material according to the present invention comprises at least: a polyolefin layer; and a heteroatom-containing resin layer. The polyolefin layer contains a polyolefin as the main component thereof. The heteroatom-containing resin layer contains a heteroatom-containing resin as the main component thereof. The stretched base material is subjected to a stretching process. The barrier sealant film according to the present invention comprises at least: a polyolefin layer; and a heteroatom-containing resin layer. The polyolefin layer contains a polyolefin as the main component thereof. The heteroatom-containing resin layer contains a heteroatom-containing resin as the main component thereof.
Inventors:
KOUNO SHINICHIRO (JP)
YAMADA KENICHI (JP)
ISHIKAWA SHUN (JP)
FURUYA SHUNSUKE (JP)
HASEGAWA TAKAYUKI (JP)
YAMADA KENICHI (JP)
ISHIKAWA SHUN (JP)
FURUYA SHUNSUKE (JP)
HASEGAWA TAKAYUKI (JP)
Application Number:
PCT/JP2023/013263
Publication Date:
October 05, 2023
Filing Date:
March 30, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B27/32; B32B27/28; B32B27/30; B32B27/34
Domestic Patent References:
| WO2020045629A1 | 2020-03-05 | |||
| WO2009057181A1 | 2009-05-07 | |||
| WO2019189490A1 | 2019-10-03 |
Foreign References:
| JP2020037189A | 2020-03-12 | |||
| JP2020519487A | 2020-07-02 | |||
| JP2020037186A | 2020-03-12 |
Attorney, Agent or Firm:
MIYAJIMA Manabu et al. (JP)
Download PDF:
Previous Patent: LASER DEVICE, PROGRAM, SYSTEM, AND METHOD
Next Patent: METHOD FOR SEPARATING COBALT AND NICKEL
Next Patent: METHOD FOR SEPARATING COBALT AND NICKEL