国家/地区 中国（7）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D069/10（7）
发明人
公开年 2022（7）
申请年 2022（7）
专利权人

Preparing nano-filtration purifying membrane for emergency drinking, comprises mixing polyvinylidene fluoride, dopamine hydrochloride, polyethyleneimine, quaternized polyethyleneimined and dimethyl acetamide and reacting.

ZHAO L, JIANG W, ZHANG S, KANG P, GU L, XU M

Controllable water flux or retention rate graphene oxide/chitosan composite nanofiltration membrane useful in preparing of water flux and nanofiltration performance equipment and textile dye wastewater treatment equipment, comprises graphene oxide-chitosan nanosheets.

TANG J, WANG Y, YANG L, HUANG L

Nano-filtration membrane used for separating, decolouring, removing salt and concentrating, comprises supporting layer, where porous oxide graphite is located on supporting layer and porous graphene oxide layer comprises graphene oxide sheets.

LI K

Preparation of composite crosslinked graphene oxide film involves mixing graphene oxide dispersion and mixed solution of amidine thiourea, thiosemicarbazide and deionized water, coating modified graphene oxide coating solution on surface-modified porous ceramic support surface, and heat-treating.

YANG B, ZHANG H, HU X

Graphite alkenyl sea water desalting film comprises supporting layer and composite structure unit comprising oxidation graphene layer and porous graphene layer.

CHEN Y, WU W

High-throughput oxidation graphene hollow fiber composite nanofiltration membrane comprises ceramic, polymer hollow fiber, porous surface nanometer fiber, hydroxyapatite, titanium dioxide, polyaniline with specific diameter, and length.

WANG T, DUAN S, XU F, QU G, WANG C

Preparation of nano-filtration membrane of graphene oxide used in decoloring waste water, by coating dispersion liquid containing graphene oxide on base film, crosslinking graphene oxide by polyamine and post-treating by sodium hypochlorite.

ZHANG Y, CHEN H, DU X, ZHU X, ZHANG X, HE Y, KE Y