国家/地区 中国（34） 美国（14） 世界知识产权组织（12） 韩国（8） 日本（5） 印度（4） 欧洲专利局（EPO）（3） 台湾（3） 加拿大（2）
IPC部 B（51）
IPC大类 B01（51） C02（36） C01（10）
C08（7） B82（3） B29（2）
C22（2） H01（2）
IPC小类 B01D（51）
IPC B01D071/56（51）
发明人 ZHANG Y（5） LIU H（3） ZHANG J（3）
ZHANG Z（3） GAO C（2） GAO X（2）
GUO J（2） HIROYUKI Y（2） HU L（2）
LI S（2） LIANG S（2） LIU G（2）
LIU J（2） LIU W（2） MASAHIRO K（2）
公开年 2022（12） 2021（9） 2018（6） 2020（6） 2023（5） 2016（4） 2017（4） 2019（3）
申请年 2021（10）  2022（9）  2019（8）  2016（6）  2018（6）  2020（6）  2015（2）  2017（2） 
专利权人 HUNAN YUTUO .（3） TORAY IND IN.（3） UNIV CHINA O.（3） VONTRON TECH.（2）

Preparing polyamide membrane for desalination of water from surface hydric body such as river, or for processing water for industrial reuse, involves applying dispersion of graphene oxide in ethyl alcohol, on membrane of selective polyamide layer, by spin-coating with low and high rotations.

SILVESTRE A A L, DE JESUS R B C, GOULART S G, SANTOS A M M, GOMIDE D C V, BRASIL Z Y L, DE ARAUJO CID DA SILVA R, SUHETT D S R

Preparing light-driven self-cleaning composite filter membrane useful for removing pollutant in water, comprises adjusting pH of alcohol solution of titanium dioxide nanosheets to alkali, adding silane to hydrolyze, adding graphene oxide and applying on substrate.

ZHANG X, CHEN P, ZHANG Z, FU H, HE D

Preparing reverse osmosis membrane useful for desalination of boron sea water, comprises e.g. contacting base film with polyamine monomer solution, obtaining polyamide layer, heating, immersing in diethanolamine solution, immersing reverse in carboxy activator solution, coating and post-treating.

LIANG S, HU L, XIAO J, LIU G, YANG X

Preparing composite nanofiltration membrane assembled layer-by-layer useful in seawater desalting field, comprises e.g. performing interfacial polymerization reaction on oil-aqueous phase interface region, placing composite nano-filtration membrane on container and assembling polyamide film.

LIU J, SU Y

Adding graphene derivatives in active layer and substrate layer in filtration membrane, involves adding predetermined quantity of graphene derivatives to predetermined quantity of organic solvent, and mixing graphene derivatives with organic solvent in predetermined ratio to form graphene dispersion.

KAUSHIK A

Graphene-polyamide composite used in form of membrane or microparticles, for water treatment, comprises graphene and interfacially-polymerized polyamide, where composite is in form of self-supporting membrane having graphene, or in form of microparticle, comprises graphene core and polyamide shell.

LIYANAGE C D, ADAMSON D

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

Membrane used in device for separating solute from solution and/or purifying water, comprises patterned binder and graphene oxide film, and filter paper supporting graphene oxide film.

YADAV V, SAKORIKAR T, GANAPATHI K L, RAMAPRABHU S, JAISWAL M