Title:
ポリイミド前駆体溶液、ポリイミド膜の製造方法、及びリチウムイオン二次電池用セパレータの製造方法
Document Type and Number:
Japanese Patent JP7367424
Kind Code:
B2
Abstract:
A polyimide precursor solution includes: a polyimide precursor; an aqueous solvent containing a water-soluble organic solvent and water; and particles, in which the particles have a volume average particle diameter within a range of 2.5 μm to 30 μm, an average circularity within a range of 0.900 to 0.990, and a standard deviation of circularity distribution of less than or equal to 0.1.
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Inventors:
Kousuke Nakata
Kosaku Yoshimura
Yasunobu Kashima
Eiichi Hirose
Kosaku Yoshimura
Yasunobu Kashima
Eiichi Hirose
Application Number:
JP2019173180A
Publication Date:
October 24, 2023
Filing Date:
September 24, 2019
Export Citation:
Assignee:
FUJIFILM Business Innovation Co., Ltd.
International Classes:
C08L79/08; C08J9/26; C08K5/17; C08L25/04; C08L33/04; C08L67/00; H01M50/414
Domestic Patent References:
| JP2011132390A | ||||
| JP2016183332A | ||||
| JP2007316369A | ||||
| JP11344829A |
Foreign References:
| WO2012043729A1 | ||||
| WO2016039299A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office