国家/地区 中国（17） 世界知识产权组织（3） 韩国（2）
IPC部 C（19） B（4） H（3）
IPC大类 C08（19） B32（4） C01（2）
C09（2） H01（2） H05（2）
IPC小类 C08G（19）
IPC C08G073/10（19）
发明人 LI J（4） GAO S（3） JIANG X（3）
QI X（3） WANG Y（3） XU P（3）
XU W（3） YIN A（3） CHEN S（2）
FU X（2） LEE K N（2） LIU Y（2）
MIN Y（2） RAO Q（2） TONG G（2）
公开年 2019（11） 2020（6） 2021（2）
申请年 2019（19）
专利权人 JIANGSU YABA.（3） HUIMAI MATER.（2） NINGBO MORSH.（2） SHENZHEN INS.（2）

Preparing polyimide aerogel, involves stirring 4,4'-diaminodiphenyl ether and N-methyl-2-pyrrolidone solution, adding 3,3',4,4'-biphenyl tetracarboxylic dianhydride, mixing with graphene oxide, performing solvent exchange, and freeze drying.

WEN Y, ZHU Y

Producing polyimide powder useful for polyimide molded product, comprises dispersing dianhydride compound, diamine compound, and graphene powder in mixed solvent to prepare dispersion, introducing into reactor, and filtering and drying.

LEE K N, CHUN J, JEON J

Polyimide composite film used for electronic component, comprises core layer comprising polyimide resin and graphene, and skin layer comprising another polyimide resin, and has preset electromagnetic wave shielding rate and tensile strength.

LEE K N, KIM K H, KIM K

Preparing composite polyimide flame retardant sheet involves using graphene with active amino groups on the surface, where the cylating agent is dichlorosulfoxide, formyl chloride, phosphorus trichloride, N-methyl-N-phenylformamide.

DU Y, JIANG H

Preparing polyamide-imide composite material comprises e.g. grafting carbon nanotube and graphene in nano-carbon material complex ligand, mixing trimellitic anhydride and diisocyanate, and performing imidization reaction of polyamic acid.

TONG G, FU X, MAO Y

Graphene/polymer composite thermal conductive film for heat dissipation of new energy automobile battery pack, is prepared by adding multi-walled carbon nanotubes to modified polyimide, coating with graphene nanosheets, and hot pressing.

CHEN Q

Preparing composite aerogel for preparing conductive material, by adding polyamide acid and graphene to deionized water, adding organic amine, pouring to mold, placing in freezing medium, freeze-drying and performing thermal imidization.

LIU P, YU Z, CHEN S, YUAN S, ZOU H

Modified graphene oxide used as a special functional plastic in advanced semiconductor packaging, is a graphene oxide modified by a curing accelerator, where organic solution is prepared by dissolving graphite oxide in an organic solvent.

LI J, WANG T, ZHANG G, SUN R

Preparing polyethylenimine composite material by mixing graphene and nano-silicon carbide fine powder, adding surfactant, dispersing in N,N-dimethylformamide, adding p-phenylenediamine, polymerizing, adding acetic anhydride and drying.

TONG G, FU X

Preparing graphene/polyimide composite aerogel used for gas adsorption, involves adding diamine monomer, tertiary amine, and quaternary ammonium cationic surfactant in deionized water, and stirring it to obtain uniform solution.

ZHUO L, XIE F, CAI Y, CHEN S