Title:
FRANGIBLE FILM AND PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2024/029377
Kind Code:
A1
Abstract:
Provided is a frangible film that has excellent frangibility and that, as a frangible film in the form of a monomaterial, has in the surface thereof a base material layer comprising a cyclic olefin resin, the base material layer having a thickness that is 40% or more of the total thickness of the frangible film. In the frangible film, the base material layer preferably comprises a cyclic olefin resin with a glass transition temperature equal to or above 60℃. Further, the base material layer is made of a surface resin layer on the surface side, and an inorganic material-containing layer comprising an inorganic material.
Inventors:
SHOUJI KENTO (JP)
WATANABE YASUSHI (JP)
WATANABE YASUSHI (JP)
Application Number:
PCT/JP2023/026865
Publication Date:
February 08, 2024
Filing Date:
July 21, 2023
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B32B27/32; A61J1/03; B32B27/00; B65D65/40; C08J5/18
Foreign References:
| JP2000015750A | 2000-01-18 | |||
| JPH11105217A | 1999-04-20 | |||
| JP2000017088A | 2000-01-18 | |||
| JP2006052292A | 2006-02-23 | |||
| JP2012153420A | 2012-08-16 | |||
| JPH11313870A | 1999-11-16 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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