国家/地区 中国（9）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C04B035/524（9）
发明人
公开年 2020（3） 2019（2）
申请年 2019（4） 
专利权人

Artificial graphite sheet for use in heat sink, is prepared by laminating several layers of polyimide films and performing carbonization and graphitization treatment, the preparation method of the polyimide film, the preparation method of the polyimide film involves using diamine monomer.

JIN Y, ZHOU Y, YANG C, ZHANG Y

Graphite sheet useful for electronic device, has thermal conductivity in plane direction, and thermal conductivity in thickness direction.

KIM K S, WON D Y, CHOI J Y, CUI Z, YUAN D, JIN J

Preparing concentrated graphene oxide solution comprises e.g. forming negatively charged graphene oxide on the graphene oxide surface in the graphene oxide aqueous solution, colloidizing, concentrating and separating.

YOU Y, ZHANG H, GUO Y, LIU Z

Preparing sulfonated graphene-based composite film used in e.g. sensor, involves dissolving and dispersing aqueous polymer containing hydroxyl and/or amino group and sulfonated graphene in water, coating slurry, carbonizing and graphitizing.

LI Z, JIANG Y, LI W

Full-carbon thermally conductive composite material is prepared by uniformly dispersing expanded graphite and N-methylpyrrolidone to obtain graphene dispersion.

FENG Y, GAO L, FENG W, ZHANG F, LV F

Preparation of film involves preparing graphene oxide aqueous solution and polyimide precursor solution, mixing, freezing, obtaining graphene oxide/polyamic acid composite sponge, hot-pressing, carbonizing and graphitizing carbon film.

PENG Q, ZHU Y, HE X

Preparing flexible graphene thermally conductive film, by placing impregnated bacterial cellulose film under pressing device, pressing, centrifuging, and removing supernatant liquid.

FENG D

Making integral 3-dimensional graphene-carbon hybrid foam used e.g. to make fumed heat sink and heat pipe, comprises e.g. mixing multiple particles of -graphitic material and -solid polymer carrier material in impacting chamber.

ZHAMU A, JANG B Z

Composite material comprises graphene-type carbon layer comprising graphite-type carbon material obtained by thermally decomposing polymer within composition, provided on base material containing resin.

FUKUDA R, IHARA H, NAKASUGA A, NOZATO S, TAKAFUJI M, GANAPATHY H S