国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC C02F001/44（2）
发明人 CHEN W（2）
公开年 2021（2）
申请年 2021（2）
专利权人

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Preparing graphene oxide/carbon nanotube composite filter membrane for oil-water separation comprises e.g. mixing graphene oxide and carbon nanotubes with distilled water, preparing graphene oxide and multi-walled carbon nanotubes mixed solution and designing vacuum filtration device.

LI W, YUAN R, CHEN W