国家/地区 中国（4）
IPC部 B（4）
IPC大类 B01（4） C02（4）
IPC小类 B01D（4）
IPC B01D067/00（4） C02F001/44（4） B01D069/12（3）
B01D071/02（2） B01D071/34（2）
发明人 ZHAO X（4）
公开年 2020（2）
申请年 2020（4）
专利权人 UNIV TIANJIN（2）

Polyvinylidene fluoride composite membrane, used in water treatment, comprises PVDF-based membrane, and poly-dopamine/oxidation graphene composite layer compounded on the film.

ZHAO X, LIU L, ZHU Z, MIAO L, MA J, JIA G

Preparing layer-by-layer covalent cross-linked graphene oxide film useful in treating water, comprises e.g. assembling polyacrylonitrile film and graphene oxide layer-by-layer using symmetrical diamine substance as cross-linking agent.

ZHAO X, LI H, QI H, TIAN Y

Preparing flexible graphene oxide/metal organic frame composite filter film involves weighing graphene oxide, zinc nitrate hexahydrate and 2-methylimidazole, and then adding them to the same solvent.

SU D, LI B, ZHAO X, YANG Z, LI Z

Membrane useful for oil-water separation, is prepared by depositing graphene oxide quantum dots on surface of base membrane using dopamine, performing condensation reaction and obtaining hydrophilic modified layer of graphene oxide.

FAN J, LIU B, LIU Y, ZHAO X, SHI J, XU J, ZHANG C