国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 C02F（4） D01F（4） B01D（2）
B01J（2） D01D（2）
IPC D01F001/10（4）
发明人
公开年 2020（2） 2021（2）
申请年 2020（4）
专利权人

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

Preparing a composite fiber membrane used for heavy metal sewage treatment, involves adding graphene oxide to deionized water, ultrasonically dispersing uniformly to obtain graphene oxide dispersion, and adding the dopamine hydrochloride.

CHEN Q, SI W, ZENG J, BAI T

Preparing graphene-polyacrylonitrile-based nanocomposite material useful for purifying and treating sewage, comprises e.g. adding graphene and acrylonitrile monomer under action of initiator, and performing coupling method.

ZHANG H, QUAN L, LIU H, TONG Y, CHENG L, YANG Z

Graphene scale antibacterial composite fiber filter core comprises outer fibrous layer made of graphene composite fibers and inner scale inhibitor core made of scale-proof material.

WANG Q, LIU S