国家/地区 中国（29）
IPC部 B（29）
IPC大类 B01（29） C02（12） C01（2）
C07（2） C08（2）
IPC小类 B01D（29）
IPC B01D069/10（29）
发明人 LI Z（4） ZHANG X（4） WANG Y（3）
ZHANG Y（3） CHEN X（2） CHEN Y（2）
LI Y（2） SUN Y（2） TANG J（2）
WANG C（2） WANG T（2） WANG Z（2）
ZHANG S（2） ZHU X（2）
公开年 2022（29）
申请年 2022（15）  2021（12）  2020（2） 
专利权人 UNIV DALIAN .（2） UNIV LANZHOU（2） UNIV TIANJIN.（2）

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

Method for preparing nanometer diamond film based on graphene anchoring technology in e.g. petroleum industry, involves forming porous support layer, microporous base film layer, and multi-layer composite nano-diamond film graphene ultra-thin coating structure.

ZHANG C, ZOU J, ZHANG T, ZHOU J

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

Preparing graphene oxide/silica composite filter membrane with ultra-high water flux with selective permeability, comprises e.g. mixing water and absolute ethanol, adding graphene oxide and buffer, adjusting pH, performing ultrasonic treatment, and hydrolyzing.

WANG C, CHEN P, TANG J, FU H, QIAN W

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

Preparing graphite alkyne separation membrane in-situ, involves e.g. preparing regular distributed non-groove on surface of flat metal substrate, coating protective layer on surface, preparing graphite film, coating porous polymer, removing protective layer and forming through hole.

WANG Z, QI Y, XIANG N, LIU X, LI L, WANG T

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