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Title:
STRETCHED FILM
Document Type and Number:
WIPO Patent Application WO/2023/233902
Kind Code:
A1
Abstract:
A stretched film (3), which is mainly composed of polyethylene having a density of at least 0.950 g/cm3, has a water vapor permeability of at most 1.0 g/m2/day per 100 μm and a haze of at most 20%, and the thermal shrinkage rate of the stretched film in the film stretching direction when heated at 100 °C for 10 minutes is at most 10%.

Inventors:
SASAHARA KAZUFUSA (JP)
MORI KEIICHI (JP)
OSHIMA HIROYUKI (JP)
Application Number:
PCT/JP2023/017020
Publication Date:
December 07, 2023
Filing Date:
May 01, 2023
Export Citation:
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Assignee:
C I TAKIRON CORP (JP)
International Classes:
C08J5/18
Domestic Patent References:
WO2021054349A12021-03-25
WO2008141026A12008-11-20
Foreign References:
JP2007269917A2007-10-18
JPH10180864A1998-07-07
JP2013091729A2013-05-16
JPH01141936A1989-06-02
JPH0539366A1993-02-19
JP2007137968A2007-06-07
JPS6234928A1987-02-14
JP2022039843A2022-03-10
JP2019127580A2019-08-01
JP2014088476A2014-05-15
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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