国家/地区 中国（3） 美国（3） 世界知识产权组织（3）
IPC部 C（8） B（7） H（2）
IPC大类 C01（8） C02（8） B01（7）
IPC小类 C01B（8）
IPC C02F001/44（8）
发明人
公开年 2021（6） 2020（2）
申请年 2020（8）
专利权人

Preparation of graphene oxide-iron composite film for removing pollutants from wastewater, involves mixing ferrous ion salt with graphene oxide aqueous solution, and pouring obtained mixed solution to air extraction device.

CHEN W, LIN C

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

Graphene composite film used for acoustic diaphragm or battery or water purifying diaphragm or nanoelectromechanical system, comprises reduced graphene oxide film and graphene film set on side surface of reduced graphene oxide film.

LIU K, ZHANG C, CHEN Y, WANG E

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

Preparing graphene porous membrane by thermally reducing graphene oxide slurry, thermally-reducing, dispersing HT-graphene oxide in solvent, adding hydrogen peroxide, purifying product, and dispersing FL-graphene oxide powder in solvent.

OU J, YU H, ZHOU H, CHENG Y, REN B, CHEN G, YAO H, YI Q, XIE H, CHEN K

Membrane for treating feed water, comprises interfacially formed polyamide layer on microporous support film, and graphene oxide quantum dots attached to surface of polyamide layer having preset permeate flux and salt rejection performance.

SUN P B, LI J C, KOHLER L

Composite membrane comprises porous polyvinylidene fluoride, polytetrafluoroethylene or nitrocellulose membrane body and graphene oxide arranged on surface of membrane body.

WEN X, YOU Y, JIN X, BUSTAMANTE H, JOSHI R

Preparing hydrophobic graphene film by preparing graphene dispersion and nanoparticle dispersion, mixing, depositing on support, drying, soaking in hydrophobic modifier solution using hydrophobic modifier, water and ethanol, and treating.

LIU G, ZHANG M, JIN W