国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01J（3） C02F（3） D04H（3）
D01F（2）
IPC B01J020/26（3）
发明人
公开年
申请年
专利权人

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

Electrospinning fiber membrane for enrichment and separation of heavy metal ions in wastewater, comprises polythiocarbonate-containing polymer including polythiocarbonate homopolymer and polythiocarbonate-containing copolymer.

ZHANG X, YUE X, CAO X

Polyvinyl alcohol/graphene oxide composite nanofiber membrane preparation involves using graphite powder, potassium permanganate and concentrated sulfuric acid as main raw materials, and then preparing graphene oxide.

QU C, ZHANG Y, ZHU H