国家/地区 中国（16）
IPC部 B（16） C（10）
IPC大类 B01（16） C02（10）
IPC小类 B01D（16）
IPC B01D061/36（16）
发明人 JIN W（2） LI J（2） LIU G（2）
SUN N（2） ZHANG Q（2） ZHANG X（2）
ZHANG Y（2） ZHAO H（2）
公开年 2022（16）
申请年 2022（10）  2021（6） 
专利权人 JIANGSU JUZH.（2） UNIV CHANGZH.（2） UNIV NANJING.（2） UNIV SHANXI（2）

Zwitterion-modified graphene oxide double-layer structure composite membrane for dehydration of pervaporation ethanol-water system, comprises porous support base membrane, double-layer separation layer, and dopamine component to strengthen interlayer interfacial compatibility.

WANG P, ZHAO Y, WANG L, LIU M, ZHANG Y

Preparing dual-drive type super-hydrophilic photothermal film comprises performing primary heat pressing super-hydrophilic photo-thermal conversion nanofiber film to improve integrity, folding, and performing secondary heat-pressing and shaping.

HONG Y, SUN W, ZHANG G, CAO J, ZHU T, LIU D

Pervaporation film in azeotrope and near-boiler separation, trace water removal, brine desalination and other fields, comprises polymer matrix, and graphene oxide nanosheets dispersed in polymer matrix, where graphene oxide nanosheets comprising hydrophilic functional groups.

DU F, WANG J, YAN W, DU C, YANG H, DU R

Preparing hydrophilic and hydrophobic composite film used for film distillation, crystallization, absorption, extraction, involves soaking porous base film into oil phase monomer solution, taking out to obtain oily porous film, and contacting with aqueous phase solution followed by polymerization.

WAN Y, LUO Q, XIA J, LEI C, SHEN F

Hydrophobic polyvinylidene fluoride-graphene oxide nano fiber film used for membrane distillation process, comprises polyethylidene diene fluoride nano fiber film obtained by electrostatic spinning method, and reducing graphene oxide nano particles.

JIN W, JI W, GAO K, LIU G

Preparation of film useful for photothermal film distillation device, involves e.g. uniformly dripping Tris solution containing dopamine hydrochloride on hydrophobic polyvinylidene fluoride film, placing in vacuum suction filter bottle, adding graphene oxide-thiourea solution, and suction-filtering.

WANG Y, LIU H, HU Z, LI W

Preparing high-throughput graphene oxide composite film used for membrane distillation, comprises e. g. taking mixed solution of cross-linking agent and graphene oxide, stirring and coating mixed solution of graphene oxide and cross-linked agent on polymer hydrophobic micro-porous base film.

ZHAO H, CHENG F, SUN H, SUN N, LI J

Graphene oxide film useful for film distillation desalting, comprises supporting layer and selective separation layer composed of multi-layer graphene oxide nano sheet distributed with metal-organic frame nano particles and further covered with hydrophobic decorative layer.

JIN W, MAO Y, LIU G

Preparing a nano-diamond doped graphene oxide composite film useful in film distillation, comprises e.g. performing condensation crosslinking reaction on aminated nano diamond and carboxy on graphene oxide sheet layer through heat treatment to disperse in middle of graphene oxide sheet layer.

ZHAO H, DU Z, REN J, SUN N, LI J

Preparing modified separation membrane of oxidation graphene based on electrostatic spray in film distillation industry development, involves mixing oxidized graphene, plant polyphenol, dispersant, ultrasonically dispersing, spraying, and cross-linking hydrophobic base film.

HAN M, MENG F, YU Z, ZHAO S