国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D067/00（3）
发明人 LIU G（3）
公开年 2023（3）
申请年 2022（3） 
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

Full-hydrophobe graphene oxide separation film used as membrane, comprises base film, and separation layer composed of reduction oxidation graphene (rGO) nanosheet loaded on base film, where surface of the reduction-oxidation graphene nanosheet is modified with a fluorine-containing silane.

JIN W, CHEN H, LIU G