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Patent Searching and Data


Title:
BIAXIALLY STRETCHED POLYPROPYLENE FILM FOR CAPACITOR
Document Type and Number:
WIPO Patent Application WO/2016/167328
Kind Code:
A1
Abstract:
The main purpose of the present invention is to provide a biaxially stretched polypropylene film for a capacitor, whereby the film can be made extremely thin, and the film has excellent resistance to dielectric breakdown even in a high-temperature environment. The present invention relates to a biaxially stretched polypropylene film including a polypropylene resin having ethylene units, the biaxially stretched polypropylene film for a capacitor wherein the content of the ethylene units is 7.5 mol% or less with respect to the total amount of propylene units and ethylene units detected from the film.

Inventors:
YODA, Masahiro (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)
NAKATA, Masahiro (7-5 Ginza 4-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
Application Number:
JP2016/062038
Publication Date:
October 20, 2016
Filing Date:
April 14, 2016
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; H01G4/18; C08L23/16
Foreign References:
JP2008133351A2008-06-12
JPS59171625A1984-09-28
JPH0551467A1993-03-02
JP2006083253A2006-03-30
JP2014531480A2014-11-27
Other References:
See also references of EP 3284777A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (Kitahama TNK Building, 1-7-1 Doshomachi, Chuo-ku, Osaka-sh, Osaka 45, 〒5410045, JP)
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