▎ 摘　　要

NOVELTY - Method for preparing conductive short fiber involves (A) weighing mesophase carbon microspheres, fullerene, carbon nanotubes, carbon black, graphene, carbon fiber powder, graphene oxide, solvent, fiber, water, acetate and reducing agent, (B) pre-dispersing mesophase carbon microspheres, fullerenes, carbon nanotubes, carbon black, graphene, carbon fiber powder, and graphene oxide in a solvent, crushing, ultrasonically treating and grinding to obtain a mixed solution (a), (C) dissolving acetate in water to obtain an aqueous solution of acetate, mixing reducing agent and water to obtain an aqueous solution of reducing agent, adding the aqueous acetate solution to mixed solution (a) to obtain mixed solution (b), (D) immersing fibers in the mixed solution (b), stirring and soaking, and rolling the soaked fibers into an immersion-rolling manner to obtain fiber (I), (E) heating the fiber (I), and heat-preserving to obtain fiber (II), and (F) drying the fiber (II) to obtain the product. USE - The method is useful for preparing conductive short fiber. ADVANTAGE - The method solves technical problem of low conductivity of conductive fiber. DETAILED DESCRIPTION - Method for preparing conductive short fiber involves (A) weighing 5-20 pts. wt. mesophase carbon microspheres, 0-10 pts. wt. fullerene, 0-10 pts. wt. carbon nanotubes, 0-10 pts. wt. carbon black, 0-5 pts. wt. graphene, 5-10 pts. wt. carbon fiber powder, 0-5 pts. wt. graphene oxide, 300-450 pts. wt. solvent, 100-300 pts. wt. fiber, 150-300 pts. wt. water, 1-8 pts. wt. acetate and 0.01-0.4 pt. wt. reducing agent, (B) pre-dispersing mesophase carbon microspheres, fullerenes, carbon nanotubes, carbon black, graphene, carbon fiber powder, and graphene oxide in a solvent, crushing, ultrasonically treating and grinding to obtain a mixed solution (a), (C) dissolving acetate in water to obtain an aqueous solution of acetate, mixing reducing agent and water to obtain an aqueous solution of reducing agent, adding the aqueous acetate solution to mixed solution (a) to obtain mixed solution (b), (D) immersing fibers in the mixed solution (b), stirring and soaking, and rolling the soaked fibers into an immersion-rolling manner to obtain fiber (I), (E) heating the fiber (I) at 70-180 degrees C, and heat-preserving after heating for greater than or equal to 20 minutes under pressure of 0.1-1 MPa to obtain fiber (II), and (F) drying the fiber (II) to obtain the product.