国家/地区 中国（4）
IPC部 B（4）
IPC大类 D01（4）
IPC小类 D01F（4） D04H（4） B01D（2）
D01D（2） D06M（2）
IPC D01F001/10（4）
发明人
公开年 2022（2） 2023（2）
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

Metal ion transport material used for battery diaphragm, preferably is nano fiber, surface interface of nano fiber has polar functional group comprising cyano group, sulfonic group, hydroxy group, carboxy group, amino group and carbonyl group.

QIN R, YAO L, PAN F

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