国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） D01（3） C02（2）
D04（2）
IPC小类 B01D（4）
IPC B01D071/42（4）
发明人
公开年 2021（3）
申请年 2021（3） 
专利权人

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

Composite nano-fiber filter screen, comprises a base layer compounded together, an intermediate layer and a surface layer, where the base layer is a polyethylene terephthalate (PET) base material, the middle layer is a graphene conductive layer, and the surface layer is a electret nano-fiber layer.

ZHENG J, YU H, GAO T

Preparing graphene oxide grafted polyacrylonitrile fiber heavy metal adsorption film comprises e.g. ultrasonically dispersing graphene oxide and chloropropyltriethoxysilane, performing constant temperature reaction and electrospinning.

LI Z

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

REN G, MA L, LIU S