国家/地区 中国（5）
IPC部 B（5）
IPC大类 B01（5） D01（5） C02（2）
D04（2）
IPC小类 B01D（5）
IPC D01F001/10（5）
发明人 LIU S（2）
公开年 2022（2）
申请年 2022（3） 
专利权人

Graphene filter film comprises first non-woven fabric layer, graphene layer and second non-woven fabric layer arranged in sequentially, where each layer is embedded with each other at connection position.

JU Y, YI J, WANG W, WANG D

Preparing graphene-quaternary ammonium salt modified polyacrylonitrile composite fiber filter film in clothes, carbon fiber raw material, hemodialysis and other fields, involves adding graphene oxide to N,N-dimethylformamide solvent, stirring and dispersing, adding pyromellitic anhydride.

ZHANG X, WU J

Graphene filter core material comprises polyacrylonitrile electrospinning fiber including polyacrylonitrile and graphene antibacterial composite material composed of graphene oxide-supported silver particle composite material and/or quaternized graphene composite material.

ZHANG W

Graphene composite polyacrylonitrile hollow fiber membrane comprises polyacrylonitrile powder, graphene oxide solution, modifier, pore-forming agent and solvent.

REN G, MA L, LIU S

Graphene scale antibacterial composite fiber filter core comprises outer fibrous layer made of graphene composite fibers and inner scale inhibitor core made of scale-proof material.

WANG Q, LIU S