国家/地区 中国（8）
IPC部 C（8）
IPC大类 C08（8）
IPC小类 C08K（8） C08L（8） C08J（5）
C09K（2）
IPC C08K003/04（8）
发明人 DING Q（3） ZHAO G（3） GU W（2）
JI G（2） SONG J（2） ZHOU J（2）
公开年 2020（2） 2021（2） 2022（2）
申请年 2020（2）  2022（2） 
专利权人 UNIV NANJING AERONAUTICS ASTRONAUTICS（8）

Preparing aerogel with electromagnetic shielding and sound absorption functions useful in aerospace fields in complex environments, comprises e.g. preparing aramid nanofiber dispersion liquid, preparing polyimide precursor polyamic acid, dissolving in deionized water, and mixing conductive filler.

YAO J, YANG F, ZHOU J

Preparation of ferric oxide/reduced graphene oxide/polyimide aerogel electromagnetic wave absorbing material used for e.g. precision equipment, involves adding polyamide to mixed solution of triethylamine and water, stirring, adding ferric oxide/reduced graphene oxide, drying and calcining.

FANG Y, GUO W, SHEN Y, GU W, JI G

High thermal conductivity polyimide nano-friction material useful in ultrasonic motor rotor, comprises polyimide, graphene, multi-walled carbon nanotubes and nano-copper powder.

WANG G, CAO X, LI X, ZHAO G, SONG J, DING Q

Preparing graphene modified polyimide composite film comprises e.g. uniformly mixing graphite, concentrated sulfuric acid and concentrated phosphoric acid under ice bath conditions, placing it in oil bath, and turning on magnetic stirring.

CHANG S, AN H, XIAN L, YANG S, LU G, ZHANG H

Reduced graphene oxide/polyimide composite aerogel useful in electromagnetic wave absorbing material comprises reduced graphene oxide interpenetrated with sheet structure and polyimide used as supporting framework.

JI G, GU W, CHEN J, ZHAO Y, ZHANG Z

Ultrasonic motor rotor friction material comprises polymer-based complex material comprising polyimide, rare earth oxide, graphene oxide, and multi-wall carbon nanotubes.

ZHAO G, LEI H, YIN Y, YU Y, QIU J, DING Q, SUN Z

Graphene modified polyimide composite material used for preparation of ultrasonic motor rotor, obtained by adding polyimide and PTFE, adding aramid fibers, graphene and aluminum silicate, mixing, hot pressing, sintering and molding.

DING Q, ZHAO G, SONG J

Graphene modified polyimide-based composite film comprises 4,4'-diaminodiphenyl ether, pyromellitic acid anhydride and graphene.

CHEN Y, ZHENG W, WEI D, YAO Z, ZHOU J, ZHOU C, YAO R