国家/地区 中国（3）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/205（4）
发明人 LI G（2） SU C（2）
公开年 2022（3）
申请年 2022（4）
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

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