国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D067/00（2）
发明人 LIU Z（2）
公开年
申请年
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

Preparation of composite film used for absorbing tetracycline in water, involves mixing solutions comprising graphene oxide, polyethylene glycol-400, and nanoparticles and zeolite or poly(styrene-divinylbenzene) in water, vacuum self-assembly filtering using porous micro-filtration film and drying.

WANG X, HU Y, ZHANG X, LIU Z, GUO Y