国家/地区 中国（10） 美国（2） 世界知识产权组织（2）
IPC部 B（13）
IPC大类 B01（13）
IPC小类 B01D（13）
IPC B01D061/02（13）
发明人 WANG Y（3） YANG L（3） ZHANG Y（3）
HUANG L（2） LIU W（2） SHEN W（2）
TANG J（2） WANG L（2） XU Z（2）
公开年 2022（8） 2023（5）
申请年 2022（13）
专利权人 HUNAN YUTUO .（3） UNIV QINGDAO（3）

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 nano-filtration membrane useful for e.g. water treatment, comprises e.g. oxidizing polypropylene microporous film to make surface hydroxylation, performing oxidation treatment by aqueous solution comprising persulfate composite, and post-processing to obtain nano membrane.

SONG P, HU L, LIU G, LIANG S

Graphene reverse osmosis composite membrane, prepared by pouring graphite oxide and silver nitrate aqueous solution into stirring device and mixing and stirring to obtain pre-coating, centrifugal washing the obtained paint.

CHEN Z, DING F, DAI H, WANG Y

Quantum dot graphene antibacterial adsorption electrostatic spinning nano-filtration membrane comprises high molecular polymer solution, graphene quantum dot and dispersant, where dispersant is prepared by electrospinning and crosslinking high molecular polymer-graphene quantum dot spinning solution.

WANG L, HU X, QI X, ZHAO H, QU L

Oxidation graphene reverse osmosis membrane comprises sub-nano carbon tube, oxidation graphene layer, and phospholipid double-molecular layer.

WANG L, WANG D, LI Z

Phenolic-graphene oxide composition useful in membrane separation process, comprises phenolic-graphene oxide.

MAJUMDER M, AKBARIVAKILABADI A, EL MERAGAWI S, JOVANOVIC P

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