国家/地区 中国（6） 韩国（2）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC B01D071/34（9）
发明人 LI B（2） ZHAO X（2）
公开年 2020（9）
申请年 2019（5）  2020（4） 
专利权人

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

Producing graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis comprises dispersing graphene oxide in dimethylformamide, stirring dispersion with polyvinylidene fluoride, electro-spinning, and drying.

KIM I S, MOHAMED, SOL K Y

Preparing flexible graphene oxide/metal organic frame composite filter film involves weighing graphene oxide, zinc nitrate hexahydrate and 2-methylimidazole, and then adding them to the same solvent.

SU D, LI B, ZHAO X, YANG Z, LI Z

Membrane useful for oil-water separation, is prepared by depositing graphene oxide quantum dots on surface of base membrane using dopamine, performing condensation reaction and obtaining hydrophilic modified layer of graphene oxide.

FAN J, LIU B, LIU Y, ZHAO X, SHI J, XU J, ZHANG C

Preparation of durable underwater superoleophobic composite film used for separating oil-water mixed systems in acid, alkali or salt environments, by dissolving graphene oxide and polyvinylidene fluoride in N-methylpyrrolidone and stirring.

CUI J, XIE A, YAN Z, YAN Y

Separation membrane used for water treatment, comprises polymer support layer, and coating layer comprising graphene oxide in at least one base resin e.g. polysulfone, polyethersulfone, polyvinylidene fluoride, and polyacrylonitrile.

LEE J S, OH Y, LEE J

Modified ultrafiltration membrane for resisting organic contaminants or bacteria, comprises polyvinylidene fluoride as matrix and cadmium sulfide/graphite phase-carbon nitride/reduced graphene oxide nano photocatalyst.

WANG Y, NI L

Preparing mixed graphene oxide nanofiltration membrane comprises e.g. mixing large-sized graphene oxide dispersion and small-sized graphene oxide dispersion, suction-filtering onto polyvinylidene fluoride support membrane, and drying.

HE Y, YU H, HOU R, ZHONG F, FAN Y, LI H, GAO Y, MA J, ZHOU L

Use of mesoporous silica nanosheet composite film in wastewater treatment, where composite film is prepared by dispersing graphene oxide, organosilicon compound and surfactant in solvent, mixing with composite component, and dispersing.

YANG S, MENG S, LI B