Title:
BIAXIALLY ORIENTED POLYESTER FILM, MULTILAYER BODY, AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/024941
Kind Code:
A1
Abstract:
A biaxially oriented polyester film according to the present invention contains a chemically recycled polyester. This biaxially oriented polyester film has an intrinsic viscosity of 0.50 dl/g to 0.70 dl/g. This biaxially oriented polyester film has a melting point of 251°C or more. A multilayer body according to the present invention may comprise a biaxially oriented polyester film and a sealant layer. A multilayer body according to the present invention may also comprise a biaxially oriented polyester film and an adhesive layer. A packaging container according to the present invention may comprise a multilayer body.
Inventors:
GOTO TAKAMICHI (JP)
MANABE NOBUYUKI (JP)
MANABE NOBUYUKI (JP)
Application Number:
PCT/JP2023/027745
Publication Date:
February 01, 2024
Filing Date:
July 28, 2023
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C08J5/18; B29C55/12; B32B27/00; B32B27/36; B65D65/40; C08G63/181; B29K67/00; B29L9/00
Domestic Patent References:
| WO2021200754A1 | 2021-10-07 | |||
| WO2022049998A1 | 2022-03-10 | |||
| WO2021210466A1 | 2021-10-21 | |||
| WO2022138484A1 | 2022-06-30 |
Foreign References:
| JP2022007902A | 2022-01-13 | |||
| JP2021130301A | 2021-09-09 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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