国家/地区 中国（20）
IPC部 C（20）
IPC大类 C08（20） C09（5） B33（2）
C01（2）
IPC小类 C08J（20）
IPC C08L079/08（20）
发明人 LI L（3） YANG L（3） ZHOU H（3）
CHEN C（2） GUO M（2） LIU S（2）
LIU T（2） WANG D（2） WANG Z（2）
YANG Y（2） ZHANG L（2） ZHAO J（2）
ZHAO X（2）
公开年 2023（20）
申请年 2022（11）  2023（7）  2021（2） 
专利权人 UNIV JIANGNA.（2） UNIV JILIN（2）

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

Preparing high dielectric polyimide/graphene composite film comprises performing esterification reaction hydroxylated graphene and iron-containing metal-organic framework material, adding functionalized graphene into organic solvent solution, casting, and performing thermal imidization reaction.

SHAO C, XU Z

Bismaleimide resin composite material useful for carbon fiber prepreg, comprises o-diallyl bisphenol A, bismaleimide resin, accelerator, and graphene.

CHEN L, LIU H, JIAO L, LV X

Polyimide resin useful in aerospace, electronic appliance, military equipment field, automobile, and communication, comprises carbon nanotube, nitride fine powder, modified kaolin, copper fluorosilicate, and graphene and polyimide resin.

ZHOU Z, WU B, ZHOU H

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

High-smooth and heat-insulating polyimide film useful for motors, comprises e.g. polyamic acid, distilled water, N-methylpyrrolidone, calcium stearate, polyamide resin, polyethylene wax, polyethylene, polyisobutylene, graphene powder, silicon dioxide powder, and calcium carbonate powder.

TIAN B, ZOU W, JIN Y, DING Y

Preparing multilayer porous electromagnetic shielding composite foam material with adjustable heterogeneous structure comprises e.g. adding carbon nanofillers and aqueous polyurethane to deionized water, fully stirring, and dispersing under ultrasonic action of cell crusher.

LIU S, WANG S, WANG Z, YANG J

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 3D printing organic-inorganic composite airgel useful in e.g. thermal insulation materials comprises adding inorganic nanomaterials to polyamic acid solution, mixing, and carrying out sol-gel treatment to composite ink and freeze drying composite ink and heat imidizing.

YUAN S, YANG Y, LI L, LIU T, XUE T, FAN W