国家/地区 美国（4） 中国（3）
IPC部 B（7） C（4）
IPC大类 B01（7） C02（2）
IPC小类 B01D（7）
IPC B01D071/44（7）
发明人 KOLELVEETIL M K（2） SHEEHAN P E（2）
公开年 2021（7）
申请年 2021（4）  2020（2） 
专利权人 US SEC OF NA.（2）

Synthesis of graphene oxide used for manufacturing membrane, involves mixing sulfuric acid and phosphoric acid, adding graphite powder, potassium permanganate and hydrogen peroxide, cooling mixture, diluting mixture with hydrochloric acid solution, and centrifuging.

ALKHOUZAAM A A, QIBLAWEY H

Composite nano-fiber filter screen, comprises a base layer compounded together, an intermediate layer and a surface layer, where the base layer is a polyethylene terephthalate (PET) base material, the middle layer is a graphene conductive layer, and the surface layer is a electret nano-fiber layer.

ZHENG J, YU H, GAO T

Membrane used for purifying water, involves articles comprising nanoporous membrane, nanoporous graphene sheet and chemical functionalization covalently bound on one side of sheet, and are layered with chemical functionalization.

SHEEHAN P E, KOLELVEETIL M K

Mixture comprises solution of alkylsulfonic acid and 1-(4-acetylphenyl)ethan-1-one derivative and acetophenone, additional elements selected from carbon nanotubes, metal nanowires, dendritic metal micro/nano-particles.

ZHOU H, ZHANG Q, WANG C, GUO Z, FANG L

Producing nanoporous graphene membrane involves depositing hexaiodo-substituted macrocycle onto substrate, coupling macrocycle to form nanoporous graphene sheet, layering onto nanoporous membrane with nanoporous graphene sheet, and etching.

SHEEHAN P E, KOLELVEETIL M K

Preparing graphene polysulfone ultrafiltration membrane comprises e.g. preparing graphene powder, dissolving graphene powder in organic solvent, adding polysulfone, polyvinylidene fluoride, removing redundant solvent and stretching.

REN G, MA L, LIU S

Graphene oxide based two-dimensional pH intelligent response film, prepared by adding 4-vinyl pyridine in dispersion liquid of graphene oxide nano sheet, performing free radical polymerization, and depositing film liquid on substrate.

RAN J, LI J, CHEN J, LONG Q, YANG P, WU Y