国家/地区 中国（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC C02F001/28（2）
发明人 LIU J（3）
公开年 2023（3）
申请年 2022（2） 
专利权人

Preparing amino and pyrenyl group-modified alginic acid derivative useful in e.g. formaldehyde absorption, comprises e.g. acidifying sodium alginate, adding N,N'-dicyclohexylcarbodiimide, 4-dimethylaminopyridine, deionized water and ethylenediamine, freeze-drying, and adding 1-pyrenebutyric acid.

XIA Y, WANG X, LIU H, GONG X, LIU J

Preparing composite nanofiltration membrane assembled layer-by-layer useful in seawater desalting field, comprises e.g. performing interfacial polymerization reaction on oil-aqueous phase interface region, placing composite nano-filtration membrane on container and assembling polyamide film.

LIU J, SU Y

Preparing magnesium oxide/graphene quantum dots/chitosanoligosaccharide/polyvinyl alcohol complex absorption membrane used in wastewater treatment by dissolving and spinning lyophilized magnesium oxide/graphene quantum dots/chitosan oligosaccharide nanocomplex powder in water with polyvinyl alcohol.

YANG G, AN X, CHE C, LIU J, GONG Z