国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01D（4）
IPC C02F101/36（4）
发明人
公开年 2022（2）
申请年 2020（4）
专利权人

Preparation of nanofiltration membrane involves coating film casting liquid containing polymer on nonwoven fabric, contacting obtained base film with e.g. aqueous phase solution containing amine monomer to form polyamide functional layer, crosslinking, imidizing, post-treating, and drying.

LIU Z, ZHANG J, HU L, LIANG S, WANG B

Graphene oxide titanium dioxide-dopamine polyetherimide nanofiltration membrane comprises organic ultrafiltration membrane support and functional layer prepared by ultrasonically mixing graphene oxide solution and titanium dioxide-dopamine aqueous solution, filtering to form membrane, and filtering.

LAN W, FANG F, HONG Y, CHEN Y

Synthesis of bismuth oxychloride carbon-based composite useful as photocatalyst, involves dissolving bismuth source in alcohol solution, adding carbon material, dispersing, dripping vitamin B1 hydrochloride solution, and reacting.

LAN D, LI D, YI B, SHEN J, DENG R, CHEN Z, WU S, OU Z

Graphene oxide aerogel solid phase extraction column useful for e.g. extracting perfluoric acid compounds including perfluorooctane carboxylic acid and perfluorooctane sulfonic acid, comprises aminated oxide graphene aerogel.

TIAN D, GENG D, WANG T, ZHANG D, ZHAO M, YANG S, ZHENG Y, LV H