国家/地区 韩国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08K（3） C08L（3）
IPC C08K003/04（3）
发明人 KOO B C（3）
公开年 2022（2）
申请年 2021（2） 
专利权人 KOREA INST SCI TECHNOLOGY（3）

Composite material having improved flame retardancy useful for producing carbon fibers, comprises copolymer resin including first repeating unit including polyacrylonitrile, and filler dispersed in copolymer resin.

KOO B C, KIM J H, SIK C, YOU N H, RYU J S

Composite material comprises matrix comprising polyphenylene sulfide, and filler including carbon material doped with sulfur, dispersed in matrix.

KOO B C, SIK C, PARK J Y, YOU N H, RYU J S

Sulfur doped reduced graphene oxide used for polyimide nanocomposite, comprises sulfur and reduced graphene oxide, and has preset peak intensity ratio obtained by Raman analysis.

YOU N H, KU B, YU J, JANG S G, KOO B C, RYU J S