Title:
STRETCHED FILM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2024/029200
Kind Code:
A1
Abstract:
Provided is a stretched film (10) comprising at least a substrate layer (3) and a barrier layer (5), wherein the substrate layer (3) is mainly composed of polyethylene having a density of at least 0.950 g/cm3, the barrier layer (5) is mainly composed of an ethylene-vinyl alcohol copolymer and has a water vapor permeability of 3.5 g/m2･day or less, and the film has a heat shrinkage rate of 5% or less when heated at 100°C for 10 minutes in the film stretching direction.
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Inventors:
SASAHARA KAZUFUSA (JP)
MORI KEIICHI (JP)
OSHIMA HIROYUKI (JP)
MORI KEIICHI (JP)
OSHIMA HIROYUKI (JP)
Application Number:
PCT/JP2023/021558
Publication Date:
February 08, 2024
Filing Date:
June 09, 2023
Export Citation:
Assignee:
C I TAKIRON CORP (JP)
International Classes:
B32B27/28; B29C55/02
Foreign References:
| JPH06262737A | 1994-09-20 | |||
| JP2021160095A | 2021-10-11 | |||
| JP2020519487A | 2020-07-02 | |||
| JPS60230851A | 1985-11-16 | |||
| JPH11138676A | 1999-05-25 | |||
| JPS55170249U | 1980-12-06 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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