Title:
SEPARATION FILM, MANUFACTURING METHOD OF THE SAME, AND CLEANING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2023114376
Kind Code:
A
Abstract:
To provide a separation film which is excellent in water permeability.SOLUTION: A separation film 10 includes: a matrix layer 12 having first holes 14 which penetrate through the matrix layer 12 in a thickness direction; a graphene oxide layer 13 in which adjacent unit layers of multiple unit layers formed of graphene oxide are bridged at least along the thickness direction and which has second holes 15 penetrating through the graphene oxide layer 13 in the thickness direction in a manner that the second holes 15 overlap with the first holes 14; and a support 11. A space between the adjacent unit layers is smaller than or equal to a diameter of one, which has a smaller diameter, of the first hole 14 and the second hole 15.SELECTED DRAWING: Figure 1
Inventors:
SAKUMA HIROTAKA
TADA YASUHIKO
SUMIKURA MISAKI
TADA YASUHIKO
SUMIKURA MISAKI
Application Number:
JP2022016707A
Publication Date:
August 17, 2023
Filing Date:
February 04, 2022
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B01D71/02; B01D65/06; B01D69/10; B01D69/12; B01D71/16; B01D71/26; B01D71/36; B01D71/50; B01D71/68; B32B3/24; B32B9/00; C01B32/194; C01B32/198
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office