国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC C08K003/04（3） B01D067/00（2）
发明人
公开年 2014（3）
申请年 2013（2） 
专利权人

Preparing a gas separation film, comprises mixing graphene and N,N-dimethylformamide to obtain a mixture and then dispersing, and mixing mixture with 1,4-butanediol, 4,4-diphenylmethane diisocyanate and dibutyltin dilaurate to heat.

WU L, WANG T, ZHAO L

Filtering or solid-liquid separation membrane, has graphene compounds provided in matrix layer and dispersed in polymer in matrix layer, where polymer is formed by interfacial polymerization, and compounds increase rejection of matrix layer.

KRISHNA K M, BHATTACHARYYA A, DEVI R M, PHADKE M, KLISHINA K M, BATACHAYA A, DEVIE R M, PHADKE M A

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