公开(公告)号：US20240416292A1

公开(公告)日：2024-12-19

申请号：US18293574

申请日：2022-08-04

Applicant: UNITIKA LTD.

Inventor： Hidehito ANDO ,  Jun TANAKA ,  Ryota NAKAMURA ,  Kyohei UMAKOSHI ,  Keisuke MAEDA ,  Takahiro ONO ,  Tatsunori MASAKI

IPC: B01D71/56 ,  B01D69/08

Abstract: The purpose of the present invention is to provide a polyamide porous membrane that makes it possible to improve liquid permeability while suppressing deterioration of membrane separation performance. A polyamide porous membrane according to the present invention is formed from a polyamide resin, wherein in structural analysis by X-ray diffraction, the ratio of γ crystals with respect to the total amount of a crystals and γ crystals is not less than 38%.