国家/地区 中国（3）
IPC部 B（4）
IPC大类 B01（4） C02（3）
IPC小类 B01D（4）
IPC B01D067/00（2） B01D071/02（2） C02F001/28（2）
发明人 LIU J（4）
公开年 2023（4）
申请年 2022（3） 
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 carbon nanotubes reduced graphene oxide hybrid polydimethylsiloxane membrane useful for organic solvent recovery, comprises preparing membrane casting solution, adding nonionic surfactant to solvent with carbon nanotubes, providing selective permeation channel for organic solvent.

DING A, LIU K, FAN L, WANG Q, LIU J, XU N, WANG W, DONG Q

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