国家/地区 美国（10）
IPC部 B（10）
IPC大类 B01（10）
IPC小类 B01D（10）
IPC B01D071/56（10）
发明人
公开年 2022（3） 2016（2） 2021（2）
申请年 2016（3）  2022（3）  2020（2） 
专利权人

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

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

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

Ceramic nanofiltration membrane comprises graphene oxide and polyethyleneimine are alternately coated on surface of ceramic nanofiltration membrane, where graphene oxide and polyethyleneimine allow carboxyl group and amine group to form covalent bond.

KOOK H, CHA M, KIM S, LEE M, PARK C, PARK C H, LEEMINJOO, KIM S Y

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

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

Preparation of polygraphene membrane for desalinating salt water involves mixing graphite, sodium nitrate and potassium permanganate and hydrogen peroxide, centrifuging mixture, and acylating and polymerizing resulting graphene oxide sheets.

SALEH T A

Membrane used for e.g. dehydrating unprocessed fluid, comprises porous substrate, and graphene oxide layer comprising optionally substituted crosslinked graphene oxide comprising graphene oxide and crosslinkage which is diaminobenzene.

ZHENG S, KITAHARA I, KOBUKE M, WANG P, BARTELS C R, YAMASHIRO Y, HIROSE M, NOUMI S, LIN W, OOU M

Functionalized single-layer graphene-based thin film composition useful for producing graphene-based thin film composition membrane, comprises first component having amine functional group and second component.

PRINCE J A, BHUVANA S, SONG X, SINGH G

Water permeable membrane used for water purification system, has composite layer that is disposed over porous support and includes graphene oxide dispersed within polyamide matrix.

HOGENESCH T, KIM W, PIRBAZARI M, RAVINDRAN V, YURDACAN H M