国家/地区 中国（12）
IPC部 B（12）
IPC大类 B01（12） C02（6） C04（2）
IPC小类 B01D（12）
IPC B01D067/00（7） B01D069/02（5） C02F001/44（5）
B01D061/02（3） B01D071/56（3） C04B035/622（2）
发明人 ZHANG Y（12）
公开年 2022（12）
申请年 2022（12）
专利权人 HUNAN YUTUO .（3）

Zwitterion-modified graphene oxide double-layer structure composite membrane for dehydration of pervaporation ethanol-water system, comprises porous support base membrane, double-layer separation layer, and dopamine component to strengthen interlayer interfacial compatibility.

WANG P, ZHAO Y, WANG L, LIU M, ZHANG Y

Improving separability of reverse osmosis membrane, comprises using polyamide membrane modified by graphene oxide to separate oxidized substances in water to enhance water flux, chlorine resistance, and anti-pollution performance of polyamide membrane.

SHEN W, HE H, XU Z, YANG L, ZHANG Y

Preparation method for improving chlorine resistance of reverse osmosis membrane comprises using graphene oxide perform material modification of polyamide membrane, reducing pore size, porosity, hydrophilicity, and surface roughness of polyamide membrane modified by graphene oxide.

WANG C, XU Z, LIU W, YANG L, ZHANG Y

Graphene oxide filled mixed substrate reverse osmosis membrane used in water purification and separation process of film, chlorine resistance and pollution resistance, comprises graphene oxide embedded in polyamide layer.

LUO Y, LIU W, SHEN W, XU H, ZHANG Y

Graphene slurry separating tank for manufacturing transparent touch screen, light plate and solar battery, has hydraulic lifting and pressing separating device comprising hydraulic pump and piston rod.

ZHANG Y, ZHANG D

Graphene filtering device, has discharging port whose lower end is provided with collecting box, where outer surface of lower end of collecting box is formed with bottom plate.

ZHANG Y, ZHANG D

Bismuth-based photo-thermal conversion nanofiber material used for seawater desalination, wastewater treatment, and rapid evaporation of solvents, comprises ferric oxide-graphene sulfide nanoparticle, and polyvinylpyrrolidone as substrate.

FAN T, ZHANG Y, FENG Z, YANG W

Method for preparing negative pollution-resistant ceramic film used in e.g. drinking water purification, involves mixing dopamine and negatively-charged nano-additives, stirring, filtering, vacuum drying, kneading ceramic membrane blend and subjecting mud material to gradient heating and sintering.

XU Y, WANG K, CHENG X, LI J, ZHANG Y, MA J

Preparing hollow fiber humidification membrane for fuel cell humidification system involves mixing polymers, two-dimensional nanosheets, hydrophilic additives, antibacterial materials and polar organic solvents to obtain a spinning solution.

ZHANG Y, WANG F, ZHANG L

Preparing a graphene oleophilic hydrophobic material useful in field of oil-water separation comprises e.g. adding polyether polyol, amine catalyst, tin catalyst, foam stabilizer and graphene oxide modifier into reaction barrel, uniformly mixing and stirring, reacting and curing.

JIN X, ZHOU L, HOU Y, DING Q, TENG D, ZHANG X, ZHANG Y, ZHANG L, WANG S, ZHOU B