国家/地区 中国（19） 韩国（2） 美国（2） 世界知识产权组织（2）
IPC部 C（21） B（6） G（2）
H（2）
IPC大类 C01（21）
IPC小类 C01B（21）
IPC C08J005/18（21）
发明人 LI G（2） SU C（2） ZHANG Y（2）
ZHU Y（2）
公开年 2022（5） 2020（4） 2021（4） 2017（3） 2023（2）
申请年 2022（6）  2021（4）  2019（3）  2020（3）  2015（2）  2017（2） 
专利权人 GUANGDONG HO.（2）

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

Preparation of multi-layer film material used for battery applications, involves dispersing two-dimensional material in solvent, filtering, adding film material dispersion of two-dimensional material layer adjacent film layer on formed material layer, drying and stripping.

CHEN Y, HUANG X, WANG Y, QUAN B

Peeling graphene useful in preparing graphene flexible film, comprises mixing graphite powder, bio-based graphene dispersant and deionized water evenly, and peeling off mechanically to obtain graphene dispersion.

LIU J, YANG J, WU Q, WU M, ZHU Y, ZHANG J

Artificial graphite sheet for use in heat sink, is prepared by laminating several layers of polyimide films and performing carbonization and graphitization treatment, the preparation method of the polyimide film, the preparation method of the polyimide film involves using diamine monomer.

JIN Y, ZHOU Y, YANG C, ZHANG Y

Polyamide film used for preparing graphite film, comprises polyamide polymer comprising reaction product of diamine monomer and dicarboxylic acid monomer, where the diamine monomer comprises N,N-bis(4-aminophenyl)-N,N-diphenyl-1,4-phenylenediamine.

SU C, LI G

Film useful in graphite film useful as radiating material of electronic product, comprises polyimide comprising polymer reaction product of diamine monomer and dianhydride monomer and diamine monomer comprising N,N-bis(4-aminophenyl)-N,N-diphenyl-1,4-phenylenediamine.

SU C, LI G

Graphene-polyimide (PI) film useful in electronic field comprises 4,4'-Oxydiphthalic anhydride, 4,4'-diaminodiphenyl ether, modifier, filler and binder.

SHI L, ZHU Q, ZHENG Z

Graphene dispersion used in composition for preparing polyurethane composite material, comprises graphene and polyol compound comprising aromatic polyol and modified aromatic polyol made by subjecting the aromatic polyol and epoxidized vegetable oil to ring opening reaction.

CHIEN C, HUNG W, WU Y, JIAN J

Graphene modified polyethylene terephthalate film material, comprises graphite, ethylene glycol as raw materials, and modified graphene prepared by ball milling in supercritical carbon dioxide atmosphere.

WU D, CHEN D, WU T

Preparing heat dissipation film based on large-diameter graphene oxide comprises e.g. stirring modified graphene oxide, modified boron nitride, modified carbon nanotube and solvent into reactor, reacting and casting polycondensate into film.

CUI J, XU P, LI Y, ZHANG B