国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（3）
IPC小类 B01D（3）
IPC C02F001/40（3）
发明人 HAN Z（3）
公开年 2021（2）
申请年
专利权人 CHINA PETROL.（2） SINOPEC SHEN.（2）

Three-dimensional printing technology for production of sewage treatment filter membranes involves establishing multi-porous gradient cylindrical model on three-dimensional Max software, and e.g. exporting stereolithography format.

FAN Z, WANG Z, HAN Z, ZHANG X, LIANG J

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

Graphene composite filter membrane comprises substrate coated with polydopamine-graphene grafted with polymer P (MeO2MA-co-OEGMA-SH).

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