国家/地区 中国（7） 韩国（2） 美国（2）
IPC部 B（8） C（8） D（2）
IPC大类 B01（8）
IPC小类 B01D（8） C02F（8） B01J（2）
IPC B01D067/00（8）
发明人 ZHANG J（2）
公开年 2021（8）
申请年 2021（5）  2020（3） 
专利权人

Preparation of shaped hollow fiber ultrafiltration membrane used for treating coal chemical wastewater includes mixing organic solvent, polyvinylidene chloride resin, polymer pore forming agent, monolayer graphene oxide solution and additive to obtain casting solution.

WANG Y, RUI Y, LIU W, YANG S

Preparing membrane aerated biofilm rector hollow fiber composite membrane useful in membrane aerated biofilm rector sewage treatment, comprises placing substrate in solvent for pretreatment, mixing coating base material, catalyst, dispersant and reinforcing agent, and curing.

LI L, LI J

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Preparing graphene oxide-polyvinylidene fluoride composite hollow fiber film used for sewage treatment and purification of tap water, involves pre-processing polyvinylidene fluoride film wire by using polyethylene imine to obtain film wire.

CHEN Y, ZHANG J, LI S, WEI J, MO H, XUE Y, MENG J, LIU M

Graphene composite polyacrylonitrile hollow fiber membrane comprises polyacrylonitrile powder, graphene oxide solution, modifier, pore-forming agent and solvent.

REN G, MA L, LIU S

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

Membrane structure of flat membrane or hollow fiber membrane form used for water treatment processing apparatus comprises a carbon nanomaterial and sodium (Na) super ionic conductor (NASICON)-series ceramic particles which are interwisted.

KANG S, PARK J, LEE M, SEONG P, YOUNG L M

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