国家/地区 中国（27） 美国（2）
IPC部 C（29） H（9） B（3）
IPC大类 C08（29） H01（8） C01（5）
C09（4） B01（2） C04（2）
IPC小类 C08G（29）
IPC C08G073/10（29）
发明人 WANG J（3） CHEN W（2） JIA N（2）
LI G（2） LIU B（2） SU C（2）
WANG Y（2） ZHANG Y（2）
公开年 2022（29）
申请年 2022（29）
专利权人 BEIJING YUCH.（2） GUANGDONG HO.（2）

Preparing boron-doped fluorinated polyimide film used in supercapacitor, involves obtaining polyimide by weighing certain amount of diamine, and four organic solvent and adding into mouth flask, stirring at normal temperature to diamine to dissolve, and weighing certain mass of dianhydride.

LI X

High barrier graphene composite polyimide film useful in mobile phone electronic product, chemical medical device, other fields, photoelectron and aviation field, comprises three-layer structure sequentially from top to bottom comprising polyimide film layer, graphene layer and polyimide film layer.

HUANG R, PAN D

Preparing high dielectric constant polyimide/three-dimensional graphene composite film comprises placing cleaned foam nickel into quartz boat, introducing nitrogen into chemical vapor deposition tubular furnace, and soaking foam nickel growing three-dimensional graphene in ferric chloride solution.

MA D, MU X, QI M

Preparing polyimide based on conjugated carbonyl group, comprises e.g. dissolving dianhydride monomer in N-methylpyrrolidone, stirring, adding diamine monomer, and performing polycondensation reaction to obtain polyimide acid solution, cooling, drying and removing solvent.

SUN J, CHEN W, JI F, LIU B

Preparing polyimide film with good thermal conductivity and thermal stability, comprises e.g. dispersing graphene oxide into N,N-dimethylacetamide, adding zinc salt, aminoimidazole and methylimidazole, heating and stirring for reaction, centrifuging, washing and freeze-drying.

JIN H, PANG C, XU B, SUN S

Preparing perfume volatile medium graphite core rod useful in the field of perfume volatile materials, comprises e.g. placing N-methyl-2-pyrrolidone in glass reactor, adding eugenol, reacting graphene oxide dispersion liquid and polyamic acid solution, heating the composite sponge and drying.

LOU L

Low residual image polyimide used in liquid crystal alignment film, comprises alicyclic dianhydride monomer, additive containing piperidine group, graphene, and diamine monomer comprising diamine monomer containing linear alkyl and N,N,N',N'-tetrakis(p-aminophenyl)p-phenylenediamine.

ZHENG Q, LIU B, SHAO C, CAO H, LIU G

Processing a porous silicon electrode composite material, comprises e.g. taking porous silicon powder and deionized water, performing ultrasonic dispersion to obtain porous silicon dispersion liquid, vacuum drying to obtain pretreated silicon powder and obtaining graphene composite silicon powder.

WANG N

Preparing high heat-conducting far infrared nano ceramic-graphene composition material comprises adding graphite sheet in mixed acid liquid, collecting lower precipitate, pouring reaction product into acetone, filtering and collecting filter cake, mixing and heat treated imidized polymerization.

JIAN H, JI T, YANG X

Powder composition for three-dimensional body, comprises predefined amount of polyimide particles having specific average particle size, formed by polymerizing diamine monomer(s) and dianhydride monomers, where polyimide particles material has specific crystallinity and glass transition temperature.

KEMPINSKI K, KERSZULIS J, CHASTAIN J C, DUIS P G, KEMPINSKI K A