国家/地区
IPC部 C（2） D（2）
IPC大类 C04（2）
IPC小类 C04B（2） D01F（2）
IPC D01F006/74（2）
发明人
公开年
申请年 2022（2）
专利权人

Production of carbon composite fiber used for e.g. aviation application, involves preparing spinning dope by dispersing carbon nanomaterial and polyamic acid in super acid, and imidizing preliminary fiber to obtain polyimide composite fiber.

KU B, KIM S Y, KIM S G, YOU N H, KIM J, HWANG J Y, KIM N D, KIM D, KOO B C, KIMRYAN, KIMSEOGYUN, KIM J W, DONG K, KIM D Y

Active powder concrete for tunnel construction and maintenance and strengthening, comprises common silicate cement, superfine mineral powder, silicon ash, fly ash, expansion agent, sand, carbon black.

GU Z