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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 (7-5 Ginza 4-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
TOMINAGA,Takeshi (7-5 Ginza 4-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
ISHIDA,Tatsuji (7-5 Ginza 4-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
ISHIWATA,Tadakazu (7-5 Ginza 4-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
Application Number:
JP2019/009166
Publication Date:
September 12, 2019
Filing Date:
March 07, 2019
Export Citation:
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Assignee:
OJI HOLDINGS CORPORATION (7-5 Ginza 4-chome, Chuo-ku Tokyo, 61, 〒1040061, JP)
International Classes:
C08J5/18; B32B15/085; H01G4/32
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (First Shin-Osaka MT Bldg. 2nd Floor, 5-13-9 Nishinakajima Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)
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