国家/地区 中国（3）
IPC部 B（3） C（2）
IPC大类 B01（3） C02（2）
IPC小类 B01D（3）
IPC B01D067/00（3）
发明人 XIU C（3）
公开年 2020（2）
申请年 2018（2） 
专利权人 CHINA PETROL.（3） SINOPEC SHEN.（3）

Preparation of graphene-polyurethane composite filter membrane for separating oil and water, involves adding dopamine hydrochloride to tris-hydrochloric acid buffer solution, stirring, centrifuging, collecting precipitate, and drying.

WANG X, HAN Z, SONG C, XIU C, WU X, ZHANG Y, CAO J

Three-dimensional porous graphene filter membrane processing and coating involves carrying out hydrothermal reaction of graphene oxide and carbon nanotubes to produce self-assembled graphene-carbon nanotube composite material.

WANG X, HAN Z, LIU L, XIU C, SONG C, SUN E, QU Y

Coating graphene filter membrane material with enhanced hydrophilicity, comprises e.g. performing Michael addition reaction under alkaline conditions, and grafting polymer on graphene filter membrane material containing dopamine.

WANG X, HAN Z, LIU L, XIU C, YUAN X, CHEN C, QU Y