国家/地区 韩国（4）
IPC部 C（4）
IPC大类 C09（4） H01（3） B82（2）
IPC小类 C09D（4）
IPC C09D011/52（4）
发明人 KIM Y H（2） YANG S J（2）
公开年 2017（4）
申请年 2015（2） 
专利权人 CHANG SUNG C.（2）

Producing isolated graphene sheets from supply of coke or coal powder, used in composite material, comprises dispersing particles of coke or coal powder in liquid medium to produce suspension, and exposing suspension to ultrasonication.

ZHAMU A, JANG B Z

Preparation of graphene nanofilms used in preparation of nano ink, involves immersing cathode and anode comprising graphite foil, in persulfate electrolyte, applying voltage to peel off graphene nanofilms from anode, and separating films.

HOON L, SUNG O K

Producing graphene ink, used for forming e.g. shielding film, comprises preparing graphene powder by reducing graphene oxide, mixing resin and solvent to form binder, mixing binder with graphene powder, and dispersing formed solution.

KIM Y H, YANG S J

Ink useful for producing graphene sheet, shielding film, heat-radiating film, and electrode material for flexible substrate, comprises binder containing resin, graphene as filler and solvent, and coupling agent.

YANG S J, KIM Y H