Title:
ポリプロピレンフィルム、金属層一体型ポリプロピレンフィルム、フィルムコンデンサ、及び、フィルムロール
Document Type and Number:
Japanese Patent JP7020395
Kind Code:
B2
Abstract:
To provide a polypropylene film which is capable of suppressing blocking in a rolled polypropylene film.SOLUTION: Provided is a polypropylene film which has a first surface and a second surface, while containing a polypropylene resin as a main component, and which is configured such that: the Svk value (SvkA) of the first surface is from 0.005 μm to 0.030 μm (inclusive); the Spk value (SpkA) of the first surface is more than 0.035 μm and 0.080 μm or less; the Svk value (SvkB) of the second surface is from 0.005 μm to 0.030 μm (inclusive); and the Spk value (SpkB) of the second surface is from 0.015 μm to 0.035 μm (inclusive).SELECTED DRAWING: None
Inventors:
Ritsuji Ishida
Yoshie Okuyama
Masahiro Nakata
Tadakazu Ishiwata
Yoshie Okuyama
Masahiro Nakata
Tadakazu Ishiwata
Application Number:
JP2018243125A
Publication Date:
February 16, 2022
Filing Date:
December 26, 2018
Export Citation:
Assignee:
Oji Holdings Co., Ltd.
International Classes:
C08J5/18; B32B15/085; C08L23/12; H01G4/32
Domestic Patent References:
| JP2016188360A | ||||
| JP2016195250A | ||||
| JP2017119885A | ||||
| JP2014231584A | ||||
| JP2015146374A |
Foreign References:
| WO2017077752A1 | ||||
| WO2016159330A1 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office