国家/地区 中国（4）
IPC部 B（4） D（4）
IPC大类 B01（4）
IPC小类 D01F（4） B01D（3） D04H（3）
D01D（2） D06M（2）
IPC D01F001/10（4）
发明人
公开年 2022（3）
申请年 2022（4）
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 amino-rich polyacrylonitrile-based nanocomposite fiber film used for removing and recycling gold, involves mixing N,N dimethylformamide dispersion of graphene oxide and the N,N-dimethylformamide solution of hyperbranched polyethyleneimine and performing amidation reaction.

ZHONG X, MENG W, YANG H, SHI X, LI X, LI T, MA Y

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