▎ 摘　　要

NOVELTY - Functional polyimide fiber e.g. carbon complex polyimide fiber prepared by mixing a carbon nanotube solution and a carbon composite solution with a graphene solution, adding a polyimide resin solution or high voltage electricity with the mixture, mixing a polyimide precursor resin solution and a polyimide fiber raw material with the mixture, and performing a nanofiber manufacturing process and an electrospinning process, is claimed. USE - The functional polyimide fiber is useful as a carbon complex polyimide fiber, a carbon nanotube polyimide fiber and a graphene polyimide fiber (all claimed). ADVANTAGE - The polyimide fiber has excellent static electrification protecting effect, anti-UV effect, antibiotic effect, deodorization effect and anti-fouling effect. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) carbon nanotube polyimide fiber comprising a mixture of carbon nanotube solution, polyimide resin solution and polyimide precursor resin solution, where the mixture is mixed with a carbon nanotube polyimide fiber raw material; (2) graphene polyimide fiber comprising a mixture of graphene solution, polyimide resin solution and polyimide precursor resin solution, where the mixture is mixed with a graphene polyimide fiber raw material; and (3) preparing carbon complex polyimide fiber, carbon nanotube polyimide fiber and graphene polyimide fiber comprising coating the fibers with nanosilver titanium dioxide solution and forming a polymer thin layer in a textile surface of the fibers.