国家/地区 中国（7）
IPC部 C（7）
IPC大类 C08（7） C09（2）
IPC小类 C08G（7）
IPC C08L079/08（7）
发明人
公开年 2018（5） 2019（2）
申请年 2018（7）
专利权人

Polyimide film for forming graphite sheet for electronic device, is derived from precursor composition comprising polyamic acid, and comprises inorganic filler having sublimation property, and graphene-containing spherical polyimide filler.

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

Composite film comprises substrate film composed of graphene, high molecular polymer, curing agent and coating layer.

SUN R, YE H, ZHAO T, ZHANG B, HU Y, LIANG X

Preparation of graphene-polyimide heating film involves dissolving diamine in organic solvent, adding dianhydride and organic solvent, performing polycondensation reaction and adding blocking agent for capping.

YANG X, WANG F

Preparing graphene/polyamic acid conductive hydrogel involves dispersing graphene oxide in deionized water ultrasonically to obtain graphene oxide dispersion, adding hydrazine hydrate and ammonia water, and carrying out reduction reaction.

FAN W, WANG D, LIU T, ZHANG Y

Graphene-doped polybenzimidazole-polyimide composite film comprises graphene composite film layer and graphene layer which are bonded by pressure-sensitive adhesive.

LI M

Preparation of polyimide/modified graphene oxide composite material involves preparing modified graphene oxide, dispersing in N,N-dimethylformamide, adding 4,4'-diaminodiphenyl ether, reacting, molding, and thermal imidization processing.

GE X, ZHOU X, LI W

Preparing phenyl silsesquioxane/graphene oxide/polyimide three-phase composite film comprises e.g. dissolving expanded graphite with mixed acid solution, adding potassium permanganate, centrifuging, grinding and ultrasonically vibrating.

ZHOU H, WANG X, ZHANG H, JIN L