国家/地区 中国（5）
IPC部 B（5） C（2）
IPC大类 B01（5） C02（2）
IPC小类 B01D（5）
IPC B01D067/00（5）
发明人 ZHANG H（2）
公开年 2021（4）
申请年 2020（5）
专利权人

Reverse osmosis membrane comprises polyethylene microporous membrane, polysulfone layer coated on polyethylene microporous membrane and polyamide layer coated on polysulfone layer.

UNANNOUNCED I

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

Preparation of graphene composite polypropylene filter membrane by mixing graphene powder with polypropylene white slices, extrusion granulating, adding additive and polypropylene white chip, melt extruding, laminating, and hot pressing.

SHA Y, SHA X