国家/地区 中国（17）
IPC部 B（17）
IPC大类 B01（17） C02（12） C01（2）
C07（2） C08（2）
IPC小类 B01D（17）
IPC B01D069/10（17）
发明人 ZHANG X（3） CHEN Y（2） LI Z（2）
ZHANG Y（2） ZHU X（2）
公开年 2022（17）
申请年 2022（11）  2021（4）  2020（2） 
专利权人

Preparing liquid electronic chemical filtering and purifying film by e.g. dispersing microporous solid zinc oxide-zeolitic imidazolate framework particles as precursor, potassium hydroxide as activator, polyvinyl pyrrolidone as pore-forming agent, preparing casting solution, and coating.

LI X, MA W

Composite film useful in separating and selecting magnesium and lithium in high-magnesium-lithium ratio salt lake brine, comprises ultrafiltration support layer and modified polyamide layer.

LI Z, WANG H, PENG Z, ZHAO Y, LI Y, WANG M

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

Graphene oxide separation membrane used for separating ethylene-ethane mixed gas, comprises selective separation layer and support layer, where selective separation layer includes graphene oxide nano-sheets, and also includes nano-cluster formed by silver ion and polyelectrolyte between nano-sheet.

JIN W, CHENG L, LIU G

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

Porous separation membrane with adsorption performance used in e.g. water pollution monitoring, comprises polymer layer and optional support layer, where surface and interior of polymer layer are three-dimensional fiber structures and adsorbent is dispersed in polymer layer.

YU H, ZHANG Y, PAN G, ZHU X, LIU Y

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

Continuously producing silazane comprises adding normal-hexane, saturating and passing ammonia gas, dripping trimethylsilyl chloride, adding reaction solution into sodium hydroxide aqueous solution, washing obtained upper layer liquid with hot water and separating organic layer.

ZHANG W

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