国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3） C02（3）
IPC小类 B01D（3）
IPC C02F101/34（3）
发明人
公开年
申请年 2020（3）
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

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

Self-supporting reduced graphene oxide nanofiltration membrane preparation uniformly coating polymer solution on flat plate, and then drying to obtain polymer substrate.

ZHU X, ZHENG J