国家/地区 中国（7）
IPC部 B（7）
IPC大类 B01（7） C01（2）
IPC小类 B01D（7）
IPC B01D053/22（7）
发明人 CHEN J（2）
公开年 2023（7）
申请年 2022（6） 
专利权人

Preparing transition metal ion modified graphene oxide film useful for processing gas mixture and purifying gas comprises e.g. mixing and shaking graphene oxide film solution and inorganic salt solution containing transition metal ions, using alumina ceramic sheets as supporting substrate and drying.

LI Y, HE Z, CHEN J, LUOWU J, SHI G

Device for purifying gas impurities in xenon based on graphene oxide film, has box housing whose side surface is provided with flange structure, and filter membrane arranged between concave flange and convex flange.

WU W, WU C, CHEN X, GU Z, CHEN J

Preparing graphene-assisted metal organic framework membrane material useful for extracting helium from natural gas, comprises e.g. reacting modified graphene substrate using zinc nitrate aqueous solution, 2-methylimidazole aqueous solution and benzodimethylimidazole aqueous solution.

DING B

Method for preparing partial reduction oxidation graphene/glass fiber composite film used in gas separation film technology field, involves filtering dispersion ethanol of graphene oxide to glass fiber of microporous filtering film.

GENG D, LIU T, ZHANG X, WANG Z

Preparation of mixed matrix gas separation membrane of tetrazole-based self-polymerization microporous polymer/graphene oxide mixed matrix membrane involves mixing tetrazolyl self-polymerized microporous polymer with graphene oxide dispersion liquid, paving into film, and soaking into methanol.

DONG T, CHENG Y, NI H

Preparing graphene oxide-based oxazole type mixed matrix membrane, comprises e.g. preparing 2-(4-aminophenyl)-5-aminobenzoxazole, oxazole type polyimide, and functionalized graphene, mixing with dimethylacetamide, applying casting solution and treating prefabricated membrane.

LI X

Aminoimidazole ionic liquid membrane useful in absorption and separation of carbon dioxide in gas, comprises ionic liquid (Aemim)(Lys), polymeric ionic liquid P(Aevim)(Lys), porous material, or polymeric ionic liquid P(Aevim)(Lys) porous material.

MA J, MU X, SHE L, WU Z