国家/地区 中国（8）
IPC部 B（8） C（2）
IPC大类 B01（8） C02（2）
IPC小类 B01D（8）
IPC B01D067/00（8） B01D069/02（7） B01D069/12（3）
B01D069/08（2） B01D071/34（2） C02F001/44（2）
发明人 ZHANG S（3） ZHAO K（3） SUN X（2）
TANG X（2） WANG W（2） XU L（2）
YI X（2） YU J（2）
公开年 2022（5） 2021（2）
申请年 2021（8）
专利权人 UNIV TIANJIN POLYTECHNIC（8）

Preparing high-throughput anti-pollution polyvinylidene fluoride hybrid ultrafiltration membrane used in wastewater, involves adding polyvinylidene fluoride, first catalyst and potassium hydroxide ethanol solution in reaction vessel, stirring uniformly to form mixed solution, stirring, reacting.

CHANG N, YAN B, WANG H

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 high solid content and high strength copper alginate antibacterial filter film useful in e.g. sewage treatment, comprises e.g. dissolving copper acetate in aqueous solution, so copper ions diffuse into film casting solution for crosslinking, and obtaining copper alginate hydrogel film.

YANG X, YU J, ZHANG S, DING Y, LI Y, HONG Y, WANG W, YANG Z, ZHAO K

Preparing copper alginate hydrogel filter membrane useful in sewage treatment, comprises dissolving reinforcing agent and sodium alginate in filtered waste copper ammonia solution, defoaming, forming copper alginate hydrogel film, ionizing and rinsing with deionized water to remove excess ions.

YI X, WANG X, SUN X, TANG X, YU J, ZHANG S, ZHANG W, XU L, ZHAO K

Preparing layer-by-layer self assembled antibacterial hydrogel filter film useful for removal of antibiotics, comprises preparing mixed aqueous solutions, soaking hydrolyzed surface with carboxy macromolecule film as base film in mixed aqueous solutions, coating, and repeating for multiple times.

DONG P, ZHANG S, TANG X, SUN X, YI X, GAO X, WANG W, XU L, ZHAO K

Preparing separation membrane comprises adding monomer, salt, solvent and entrainer under inert gas atmosphere into reaction kettle and then mixing with end-capping agent.

YANG J, LIU T, XU X, HU Y

Preparing composite film for photocatalysis-photothermal film distillation comprises dissolving cerium nitrate and urea in distilled water, introducing polyvinylidene fluoride, and electrospunning spinning solution by electrospinning technology.

SHI J, HU W, HUANG Y, JU J, WANG C, LIU M, KANG W

Lasting high anti-pollution performance hollow fiber ultra-filtration membrane used for water purifying and biological separation comprises graphene having specified quantity amount of antibacterial rate of Staphylococcus aureus.

LI J, CUI Z, LIU G, HU M