国家/地区 中国（10）
IPC部 B（10）
IPC大类 B01（10） C02（2）
IPC小类 B01D（10）
IPC B01D067/00（10）
发明人 GAO T（2） WANG X（2） ZHANG H（2）
公开年 2021（6） 2020（3）
申请年 2020（10）
专利权人 CHINA PETROL.（2） PALL HEBEI E.（2）

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

Preparing graphene in-situ polymerization polyvinyl chloride hollow fiber ultrafiltration membrane comprises stirring and dispersing graphene and dispersant and mixing graphene in-situ polymerization polyvinyl chloride, solvent and additive.

CHEN Q

Preparation of polyvinylidene fluoride hollow fiber membrane involves extruding polyvinylidene fluoride casting solution and functional material to form membrane with surface nano-functional layer, immersing in coagulation bath and curing.

ZHU L, FANG C, ZHOU Z, ZHOU L

New super-wetting surface as polypropylene surface with micro-nano structure grafted with hydrophilic side groups.

QIAO J, WANG S, ZHANG X, QI G, SONG Z, CAI C, WANG X, LAI J, LI B, JIANG H, RU Y, ZHANG J, GAO J, ZHANG H, HAN P, JIANG C, GUO Z, GUICUN Q, ZHIHAI S, BINGHAI L, JIANMING G, ZHAOYAN G, SOONGHEO W, LIU Y, JIANG X

Preparation of continuous spinning nanofiltration base film involves mixing hydrophilic inorganic nanoparticles and film-forming polymer, and preparing hollow fiber nanofiltration film by granulating and filling spinneret with inert gas.

HUANG H, CHEN C, LIN C, GAO S

Preparing hollow fiber membrane with bimodal pore size distribution, involves mixing raw materials including ultra-high molecular weight polyethylene, solvent, water-soluble salt porogen, and auxiliary additives.

ZHANG T, QU Z, ZHANG H, LIU B, CHEN H

High-throughput hollow fiber desalting film comprises porous carbon nanosheet, high molecular resin powder, N, N-dimethyl acetamide, hydrophilic agent, and pore-forming agent.

QIN Y, ZENG F, QIAN C

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