国家/地区 中国（14）
IPC部 B（14） C（4）
IPC大类 B01（14） C02（4）
IPC小类 B01D（14）
IPC B01D069/08（14）
发明人 CHEN K（2） LIU T（2） WANG C（2）
WANG Q（2） ZHAO Y（2）
公开年 2022（14）
申请年 2021（7）  2022（6） 
专利权人

Continuous preparation of polyvinylidene fluoride hollow fiber film for e.g. textile, involves soaking hollow fiber membrane obtained by using polyvinylidene fluoride, rigid polymer, nanomaterial as inorganic additive and water-soluble polyethylene oxide, in water, shaking and washing.

XUE H, WANG C, WANG Q, CHEN K, WANG M, XIAO C, JI D

Preparing perfluoropolymer-based composite nanofiltration membrane comprises respectively spinning first spinning solution made of water-soluble polymer and perfluoropolymer dispersion emulsion, and second spinning solution made of co-spinning polymer to obtain flat film and sintering.

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

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

Anti-pollution hollow fiber film, has first hollow fiber film connected with outer end of second hollow fiber film, where surface of second hollow fiber film is formed with transverse groove and longitudinal groove.

CHEN K, LIAO N, ZHAO Y, SHI L, CHEN J

Preparation of carbon hollow fiber membrane used in gas separation and purification applications, involves dispersing graphene oxide in solvent, mixing with pore-forming agent dispersion, adding organic membrane material, stirring, spinning obtained solution, drying, and calcining.

QIAO S, LIU T, WANG X, MA C, MA N

Hollow fiber nanofiltration membrane based on oxidized graphite, for use in solvent concentrations such as Hexane EtOH, IPA, DMF, MeOH, and ACN, comprises polyimide hollow fiber film and oxide graphene inner selection layer surface in polyimide base film.

XING W, SUN Y, LIU M, ZHANG C, SUN S

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

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

Preparing hollow fiber humidification membrane for fuel cell humidification system involves mixing polymers, two-dimensional nanosheets, hydrophilic additives, antibacterial materials and polar organic solvents to obtain a spinning solution.

ZHANG Y, WANG F, ZHANG L

Manufacturing hollow fiber film used as polysulfone film, involves preparing film main unit, solvent, pore-forming agent, heating, stirring to form material liquid, and processing material liquid through conveying pump to spinning plate.

PENG Z, FANG L, CHANG Z, LIANG E