国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B01（3） C02（3）
IPC小类 B01D（3）
IPC C02F001/44（3）
发明人 ZHANG H（3）
公开年 2022（2）
申请年 2022（3）
专利权人

Flash evaporation spinning gradient pore structure ultrafiltration flat membrane comprises functional layer, transition layer and support layer, where functional layer is spun on surface of transition layer by flash spinning, and transition layer is spun on surface of support layer by flash spinning.

YANG C, ZHANG H, DING Y

Graphene modified reverse osmosis membrane for water treatment film technology, comprises first and second graphene modified water inlet grid net.

ZHANG H, PAN D, YU Z, TAN J

Preparation of composite crosslinked graphene oxide film involves mixing graphene oxide dispersion and mixed solution of amidine thiourea, thiosemicarbazide and deionized water, coating modified graphene oxide coating solution on surface-modified porous ceramic support surface, and heat-treating.

YANG B, ZHANG H, HU X