国家/地区 中国（10） 印度（2） 韩国（2） 美国（2） 世界知识产权组织（2）
IPC部 B（13）
IPC大类 B01（13） C02（4） D06（2）
IPC小类 B01D（13）
IPC B01D069/08（13）
发明人 GAO T（2） WANG X（2） ZHANG H（2）
公开年 2021（7） 2020（4） 2022（2）
申请年 2020（13）
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

Hollow fiber membrane for use in textile manufacturing industry, has semi permeable membrane defining lumen comprising inner and outer circumferential surfaces, where membrane body is reinforced with reduced metal oxide nanoparticles.

GHOSH N N, ROY A, AIYER H, CHATTERJEE A

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

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

Composite membrane comprises porous polyvinylidene fluoride, polytetrafluoroethylene or nitrocellulose membrane body and graphene oxide arranged on surface of membrane body.

WEN X, YOU Y, JIN X, BUSTAMANTE H, JOSHI R