国家/地区 中国（2）
IPC部 B（2） D（2）
IPC大类 B01（2）
IPC小类 B01D（2） D01D（2） D01F（2）
D04H（2）
IPC B01D071/02（2）
发明人
公开年
申请年 2022（2） 
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