国家/地区 中国（7）
IPC部 C（7）
IPC大类 C08（7）
IPC小类 C08G（7）
IPC C08G073/10（7）
发明人 LIU Y（7）
公开年 2015（2） 2019（2）
申请年 2015（2）  2019（2） 
专利权人 HUIMAI MATER.（3）

Preparing graphene-doped polyimide powder used e.g. in lost foam casting, comprises e.g. mixing and reacting graphene with organic solvent, diamine and dianhydride by in-situ polymerization, adding e.g. catalyst, performing chemical imidization of polyamic acid, and grinding polyimide product.

MIN Y, QIU W, LUO X, LIU Y

Preparing three-dimensional graphene hollow sphere modified polyimide material, comprises e.g. adding graphene oxide solution into spherical silicon dioxide sol, ultrasonically dispersing, freezing and drying.

LIU Y, HU M, LV X, GU W, QIU Y

Manufacturing polyimide and graphene complex film comprises e.g. carrying out in-situ polymerization by mixing desired graphene with solvent, diamine and dianhydride, uniformly coating and placing in high temperature oven for imidization.

MIN Y, RAO Q, LIU Y

Preparation of graphene-doped polyimide film, involves thoroughly mixing polyamic acid obtained by reacting graphene with diamine and dianhydride, and uniformly coating mixed polyamic acid on flat plate.

MIN Y, RAO Q, LIU Y

Preparation of highly thermally conductive graphite film, involves adding graphene to strongly polar organic solvent, ultrasonically dispersing, adding diamine and dianhydride to graphene dispersion, and stirring.

GAO J, LIU Y, PENG B, JIANG Q, ZHANG B, YANG J

High strength and high toughness thermoplastic elastomer-modified asphalt comprises asphalt, maleic anhydride grafted styrene-ethylene-butylene-styrene, maleic anhydride grafted polyethylene and sulfonated polyimide-modified graphene oxide.

GE J, LIU Y, WANG P

Preparation of polyimide film used for thin-film transistor flexible drive circuit, involves immersing substrate in graphene oxide composite polyimide film suspension containing thionyl chloride, dianhydride and diamine and dehydrating.

FAN T, FENG Y, LIU Y, MIN Y, SONG J, ZHANG D