国家/地区 中国（5） 加拿大（2） 日本（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC B01J020/26（5）
发明人
公开年 2021（3）
申请年 2021（2） 
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

Bionic fiber functional material used in low concentration heavy metal ion adsorption, is rich in multiple adsorption sites, that is, N, O, and S sites that have adsorption properties for heavy metal ions and material.

HE H, WANG L, ZHU H, ZHOU H, WANG S, HO H, ZHU H X, CHOU H

Modified polyacrylonitrile fiber film useful for absorbing lead ion in water, prepared by e.g. preparing mixture of polyacrylonitrile, chitosan and biochar, adding into mixture of dopamine and graphene oxide, stirring and electrospinning.

CHEN J, XU K

Making oil-absorbing hollow fiber porous membrane involves immersing graphene dispersion liquid into polymer hollow fiber porous membrane module, and reinforcing binding fastness interface between graphene and hollow fiber porous membrane.

HUANG Q, LIU H, XIAO C, ZHAO J, FAN Z