国家/地区 中国（6）
IPC部 B（6） C（4）
IPC大类 B01（6） C02（4）
IPC小类 B01D（6）
IPC B01D071/42（6）
发明人 ZHANG X（2）
公开年 2022（3） 2023（3）
申请年 2022（6）
专利权人

Composite pervaporation desalting film comprises separating layer with separating function and organic porous base film layer for supporting.

YU Z, ZENG Z, TANG X

Preparing tubular membrane used in water treatment, involves mixing polymer material with additives and solvents, defoaming to obtain filter separation layer casting solution, spinning filter separation film liquid on core rod by electrostatic spinning, melting thermoplastic resin, thermally shaping.

ZHANG H, XU X, ZHAN Y

Composite film useful for purifying dye wastewater comprises graphene oxide interspersed between interlaced stacked polyacrylonitrile fibers to three-dimensional network support structure.

ZHANG J, LIU L, DING H, WEI D, CHEN D, SUN Q, NIE H

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

Preparing graphene-quaternary ammonium salt modified polyacrylonitrile composite fiber filter film in clothes, carbon fiber raw material, hemodialysis and other fields, involves adding graphene oxide to N,N-dimethylformamide solvent, stirring and dispersing, adding pyromellitic anhydride.

ZHANG X, WU J

Preparation of nano-filtration membrane of graphene oxide used in decoloring waste water, by coating dispersion liquid containing graphene oxide on base film, crosslinking graphene oxide by polyamine and post-treating by sodium hypochlorite.

ZHANG Y, CHEN H, DU X, ZHU X, ZHANG X, HE Y, KE Y