国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01J（2） D04H（2） D06M（2）
IPC B01J020/26（2）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Preparing polyvinyl alcohol/carboxymethyl chitosan/graphene oxide composite nanofiber membrane used in adsorption of heavy metal ions, comprises e.g. stirring and mixing polyvinyl alcohol solution, carboxymethyl chitosan solution and graphite oxide aqueous dispersion, and electrostatic spinning.

ZHOU X, WANG J, ZHENG Y, FAN C

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