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Patent Searching and Data


Title:
BIAXIALLY STRETCHED POLYPROPYLENE FILM, METALLIZED FILM, FILM CAPACITOR AND FILM ROLL
Document Type and Number:
WIPO Patent Application WO/2019/172390
Kind Code:
A1
Abstract:
A biaxially stretched polypropylene film which has a thickness of from 1.0 μm to 3.0 μm, and wherein: the difference between the thermal shrinkage ratio at 140°C in a first direction and the thermal shrinkage ratio at 130°C in the first direction is 0% or more but less than 2.0%; and the difference between the thermal shrinkage ratio at 140°C in a second direction that is perpendicular to the first direction and the thermal shrinkage ratio at 130°C in the second direction is 0% or more but less than 2.3%.

Inventors:
SUEYOSHI MICHIKO (JP)
TOMINAGA TAKESHI (JP)
ISHIDA TATSUJI (JP)
ISHIWATA TADAKAZU (JP)
Application Number:
JP2019/009166
Publication Date:
September 12, 2019
Filing Date:
March 07, 2019
Export Citation:
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Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
C08J5/18; B32B15/085; H01G4/32
Domestic Patent References:
WO2009060944A12009-05-14
WO2017064909A12017-04-20
WO2016018200A12016-02-04
WO2015129851A12015-09-03
Foreign References:
JP2008127460A2008-06-05
JP2006093688A2006-04-06
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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