国家/地区 中国（7）
IPC部 B（7）
IPC大类 B01（7） C02（2）
IPC小类 B01D（7）
IPC B01D067/00（7）
发明人 GAO T（2） LI W（2）
公开年 2020（7）
申请年 2019（4）  2020（3） 
专利权人 PALL HEBEI E.（2）

Method for preparing sandwich graphene oxide hollow fiber film with fixed interlayer distance by sealing hollow fiber substrate and soaking it in graphene oxide suspension, depositing graphene oxide layer on hollow fiber substrate.

LI W, WU W, SU J, JIA M, ZHONG W, LI Z

Preparing permanent hydrophilic nano graphene polytetrafluoroethylene hollow fiber nano-filtration membrane comprises e.g. uniformly mixing polytetrafluoroethylene dispersion resin, extrusion aid, nano silica, and nano graphene dispersant.

GAO T

Preparation of composite nanofiltration membrane involves preparing active nano graphene base film using e.g. nano graphene dispersant and ethylene microporous membrane, immersing in e.g. amine monomer aqueous solution and drying.

GAO T

Graphene nanofiber hollow filter rod comprises support skeleton tube and filter material layer wrapped around support skeleton tube, where filter material layer comprises graphene nanofibers, and polylactic acid fibers.

TANG Z, CHU X, LI G

Preparing wrinkled graphene oxide/nano fiber composite film useful for preparing separation material, comprises e.g. combining polymer spinning solution and graphene oxide dispersion to surface of support layer, and subjecting to heating.

LI W, LI Y, WANG Y

Graphene polyacrylonitrile hollow fiber membrane comprises polyacrylonitrile powder, graphene oxide solution, modifying agent, porogen and solvent.

WANG Q, LIU S

Preparing hollow fiber reverse osmosis membrane, by twisting fiber filament into S-twisted yarn or Z-twisted yarn, coating cellulose triacetate layer film-forming system and graphene oxide layer film-forming system and removing solvent.

XIAO C, LING H, CHEN K, CHU Z, ZHANG T