国家/地区 中国（8） 韩国（2）
IPC部 B（11）
IPC大类 B01（11）
IPC小类 B01D（11）
IPC B01D067/00（11）
发明人
公开年 2021（5） 2022（2） 2023（2）
申请年 2021（4）  2022（4） 
专利权人

Electrospun polymer nanofibrous membrane used in air filtration applications, comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes, where membrane is treated with one or more anti-pathogenic agents.

GUO F, SOLIMAN S

Graphene filter film comprises first non-woven fabric layer, graphene layer and second non-woven fabric layer arranged in sequentially, where each layer is embedded with each other at connection position.

JU Y, YI J, WANG W, WANG D

Polytetrafluoroethylene nanofiber composite membrane prepared by preparing spinning carrier solution, adding polytetrafluoroethylene dispersion emulsionand electrospinning-hot pressing sintering to obtain nanofiber porous base membrane.

XIE W, SHU J, WANG Q, JIN N, YANG H, DI Z, ZHAO Y, HUANG Y

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

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

Preparing electrospinning seawater desalination membrane with self-floating structure comprises dissolving polystyrene and N, N-dimethyl formamide, adding e.g. polyacrylonitrile, stirring and electrostatic spinning polyacrylonitrile electrostatic spinning solution of doped carbon material.

YOU Q, XU C, JIANG Z, TANG H, GONG T

Preparing double-layer nano fiber film for water-oil separation, involves obtaining first layer of electrostatic spinning solution by using chitosan, obtaining second layer of spinning solution followed by electrostatic spinning.

SHAO W, ZHU Z, LIU J, HE S, JIANG L

Conductive membrane comprises oxygen-deficient ceramic nanofibers and two or more different electrically conductive materials physically mixed with each other so that pore and resistance are controlled according to mixing ratio or type of material membrane.

DOO K, JUNG J, YOON D Y, SOO K M, NAM J, LEE J Y, SUNG L H

Preparing a composite fiber membrane used for heavy metal sewage treatment, involves adding graphene oxide to deionized water, ultrasonically dispersing uniformly to obtain graphene oxide dispersion, and adding the dopamine hydrochloride.

CHEN Q, SI W, ZENG J, BAI T

Producing graphene oxide composite electro-spinning nanofiber separation membrane for forward osmosis comprises dispersing graphene oxide in dimethylformamide, stirring dispersion with polyvinylidene fluoride, electro-spinning, and drying.

KIM I S, MOHAMED, SOL K Y