国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D061/02（2）
发明人 LIU G（2）
公开年 2023（2）
申请年 2022（2）
专利权人

Preparing nano-filtration membrane useful for e.g. water treatment, comprises e.g. oxidizing polypropylene microporous film to make surface hydroxylation, performing oxidation treatment by aqueous solution comprising persulfate composite, and post-processing to obtain nano membrane.

SONG P, HU L, LIU G, LIANG S

High-performance nanofiltration membrane comprises base film, intermediate layer and polyamide separation layer sequentially fixed in polymethyl methacrylate frame, where intermediate layer is made of molecular sieve/graphene oxide composite material.

WANG X, LU X, LIU G, GUO S, WEI S, LIN Y, GUO Y, QIU Y