国家/地区 中国（4）
IPC部 C（4）
IPC大类 C02（4）
IPC小类 C02F（4）
IPC C02F001/28（4）
发明人
公开年
申请年
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 carboxymethyl chitosan/graphene oxide composite hydrogel comprises e.g. mixing carboxymethyl chitosan and graphene oxide aqueous solutions, 4,4'-dimethyltriphenylmethane-2,2',5,5'-tetraisocyanate, ultrasonicating and reacting.

HUANG L

Preparation of beta-cyclodextrin-cellulose-oxidation graphene composite material used for adsorption of dye wastewater by leaching cellulose in sodium hydroxide, and adding e.g. epoxy chloropropane, epoxy cellulose and graphene oxide.

LI X, QIU F, YAN J, YANG D, ZHAO H

Amphoteric cellulose-based composite material used for e.g. absorbing oil and heavy metal ion in organic wastewater, is obtained by mixing quaternary ammonium sulfonated cellulose, graphene oxide and chitosan, and freeze-drying mixture.

CHEN Y, LIN H, XIONG J, SU G