国家/地区 中国（122） 韩国（11） 世界知识产权组织（11） 美国（8） 欧洲专利局（EPO）（4） 日本（2）
IPC部 C（133） H（13） B（11）
G（3）
IPC大类 C08（133）
IPC小类 C08G（133）
IPC C08G073/10（133）
发明人 LI J（7） WANG Y（7） LI Y（5）
ZHAO J（5） JIANG X（4） LIU G（4）
LIU T（4） TANG B（4） TANG F（4）
WANG D（4） WANG X（4） XU P（4）
XU W（4） XU Z（4） ZHANG B（4）
公开年 2022（32） 2021（19） 2014（13） 2017（12） 2015（11） 2019（11） 2023（9） 2018（7） 2020（7） 2016（6） 2013（4）
申请年 2022（25）  2021（19）  2019（16）  2013（15）  2020（12）  2016（11）  2017（10）  2015（9）  2018（5）  2014（4）  2023（4）  2011（2） 
专利权人 ZHEJIANG ZHO.（5） JIANGSU YABA.（4） TONGLING SHE.（4） HARBIN INST .（3）
PI ADVANCED .（3） SHENZHEN INS.（3） UNIV DONGHUA（3） ZHUZHOU TIME.（3）
ANHUI GUOFEN.（2） CHANGCHUN AP.（2） DONGGUAN HON.（2） GUANGDONG HO.（2）
HUIMAI MATER.（2） KOREA INST S.（2） NINGBO INST .（2） SHINETSU CHE.（2）
UNIV FUDAN（2） UNIV FUZHOU（2） UNIV HARBIN .（2） UNIV JILIN（2）

Producing polyimide powder used in display, automobile, medical, battery, and aerospace, involves preparing polyamic acid solution, preparing polyimide mixed solution by heating polyamic acid solution, and filtering and drying precipitate present in mixed solution to obtain polyimide powder.

LEE H S, YANG M S, LEE I S, LEE H, YANG M

Preparing polyimide-based shape-memory composite aerogel by carrying out polycondensation reaction of diamine monomer and dianhydride monomer in N-methylpyrrolidone, placing obtained polyamic acid gel in water, freeze-drying, and dispersing polyamic acid filaments and graphene oxide in water.

LI L, GUO M, LIU T

Polyimide film is obtained by imidization reaction of polyamic acid containing quinoline and beta-picoline as imidation catalyst and acetic anhydride as dehydrating agent.

JUNG H, WON D, WON D Y

Shape memory polyimide aerogel used in heat insulation, comprises polyimide precursor which is prepared by polycondensation reaction using diamine and dianhydride monomers, followed by sol-gelation, freeze-drying and thermal-imidization.

ZHANG W, LI J, ZHANG L

Preparing flame-retardant conductive composite polyimide film involves adding phosphorus flame retardant material into deoxidizing solvent, performing high power ultrasonic treatment to obtain uniform second filler dispersion, and coating composite polyamic acid solution on substrate.

LIU S, HAN C, TANG Z, LIU C, BEI R

Preparing three dimensional thermally conductive skeleton/polyimide thermally conductive composite material comprises subjecting thermally-conducting porous material soaked by polyamic acid solution, performing freeze drying and phase conversion treatment to thermally-conducting porous material.

CHEN C, ZHAO X, ZHOU H, ZHAO J, YANG L, WANG D

Preparing polyimide film comprises e.g. mixing film polyimides, thermally conductive fillers and solvents, uniformly dispersing to obtain mixed dispersion, and coating the dispersion on substrate, and synthesizing by polymerization.

NIU S, SUN X

Preparing thermally conductive filler/polyimide aerogel metallized high thermally conductive composite material, involves preparing thermally conductive filler/polyimide aerogel, electroplating aerogel material, and vacuum hot pressing.

CHEN C, ZHAO X, ZHOU H, ZHAO J, YANG L, WANG D

Producing liquid crystalline graphene oxide polyamate composite film, comprises coating the liquid crystal solution containing graphene oxide and polyamic acid in liquid crystal phase, on a substrate, arranging and drying.

YOU N H, RYU J S, YUN L S, JIN J

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