国家/地区 中国（2）
IPC部 C（2）
IPC大类 C02（2） C08（2）
IPC小类 C02F（2）
IPC C02F001/28（2）
发明人
公开年
申请年
专利权人

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

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