Title:
多孔質膜、多孔質膜モジュール、多孔質膜の製造方法、清澄化された液体の製造方法およびビールの製造方法
Document Type and Number:
Japanese Patent JP6827030
Kind Code:
B2
Abstract:
[Aim] To provide a porous membrane having improved fatigue endurance while maintaining permeability. [Solution Means] In a porous membrane including hydrophobic polymer as a main component, when the porous membrane, which has two surfaces of a surface (A) and a surface (C), is equally divided in the thickness direction of the porous membrane into three layers of a first layer (a) including the surface (A), a second layer (b) that is a central layer in the thickness direction, and a third layer (c) including the surface (C), an average trunk size of the third layer (c) is larger than an average trunk size of the second layer (b), and when a continuous layer from the surface (A) having a thickness of 10 µm in the first layer (a) is a first layer component, a continuous layer component having a thickness of 10 µm and an average trunk size smaller than an average trunk size of the first layer component is present in the first layer (a), the second layer (b), and the third layer (c) other than the first layer component.
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Inventors:
Chiaki Sakakibara
Masatoshi Hashino
Hirokazu Fujimura
Masatoshi Hashino
Hirokazu Fujimura
Application Number:
JP2018504586A
Publication Date:
February 10, 2021
Filing Date:
March 09, 2017
Export Citation:
Assignee:
ASAHI KASEI KABUSHIKI KAISHA
International Classes:
B01D69/08; B01D63/02; B01D71/44; B01D71/68
Domestic Patent References:
| JP2015157278A | ||||
| JP5539287A |
Foreign References:
| WO2010035754A1 | ||||
| WO1997022405A1 |
Attorney, Agent or Firm:
Yanagita Seiji
Hiroyuki Sakano
Hideaki Takahashi
Hiroyuki Sakano
Hideaki Takahashi