Title:
分離膜及びその製造方法
Document Type and Number:
Japanese Patent JP7107429
Kind Code:
B2
Abstract:
The present invention provides a separation membrane which contains a cellulose ester, while having a plurality of voids in a cross-section that is parallel to the longitudinal direction and the membrane thickness direction of the membrane, wherein: the average depth D of the plurality of voids is from 0.7 to 20 μm; the average length L of the plurality of voids is 3 μm or more; and the average of the ratios of respective lengths l to respective depth d of the voids, namely (l/d)a is from 2 to 40.
More Like This:
Inventors:
Koichi Takada
Hiroki Sakaemura
Marina Otsuka
Masayuki Hanakawa
Hiroki Sakaemura
Marina Otsuka
Masayuki Hanakawa
Application Number:
JP2021503174A
Publication Date:
July 27, 2022
Filing Date:
December 23, 2020
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B01D71/14; B01D69/00; B01D69/08
Domestic Patent References:
| JP2019111476A | ||||
| JP2015518926A | ||||
| JP2015057522A | ||||
| JP2010100950A | ||||
| JP2004515664A |
Foreign References:
| WO2016159333A1 |
Attorney, Agent or Firm:
Patent business corporation glory patent office