国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3） C08（2）
IPC小类 C09D（3）
IPC C09D179/08（3）
发明人 HAN Y（2） MA Y（2）
公开年 2022（2）
申请年 2022（2） 
专利权人 UNIV HARBIN SCI TECHNOLOGY（3）

Sandwich type graphene oxide/polyimide porous composite film used as encapsulation material, comprises layer of fluorine-free polyimide flat film and graphene oxide/fluorine-containing polyimide porous films attached to upper surface and lower surface of layer of flat film.

HAN Y, MA Y

Graphene oxide/polyimide porous composite film useful as insulating material, comprises fluorine-free polyimide flat film substrate, and fluorine-containing polyimide oxide porous film attached to flat film substrate.

HAN Y, MA Y

Preparing graphene self-lubricating aqueous anti-corrosion coating comprises e.g. using graphene powder, adding distilled water into graphene container, placing graphene solution into ultrasonic oscillator, and mixing polyimide emulsion.

LI J, LI K, LI W