国家/地区
IPC部 C（2）
IPC大类
IPC小类
IPC
发明人 DONG K（2）
公开年 2023（2）
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

Processing corrosion resistant layer of water pump body useful for transmitting water liquid comprises e.g. using clean water to wash inner and outer sides of pump body, for removing dust and impurities on inner and external surfaces of pump body and using spray gun to sand blasting and roughening.

DONG K, GENG H, LI G, FENG Y, FENG J