▎ 摘　　要

NOVELTY - The preparation of polyaniline-graphene composite material involves mixing N-methylpyrrolidone, dimethylformamide and distilled water, adding aniline monomer, placing in ice bath, and stirring, adding hydrochloric acid and ethylenediamine, stirring, adding ammonium persulfate, stirring, cooling, adding dihydroxypropionic acid, triethylamine and dioctyl sodium sulfosuccinate, stirring, adding graphene aqueous solution with graphene, stirring, filtering, placing obtained product in acetic acid solution, leaving stand, washing with deionized water and acetone, and vacuum freeze-drying. USE - Preparation of high conductivity polyaniline-graphene composite material (claimed). ADVANTAGE - The method enables preparation of high conductivity polyaniline-graphene composite material with volume conductivity of more than 580 S/m, higher bending strength of 153 MPa, impact strength higher than 45 J/m, and excellent comprehensive performance. DETAILED DESCRIPTION - The preparation method of high conductivity polyaniline-graphene composite material involves (1) uniformly mixing N-methylpyrrolidone, dimethylformamide and distilled water, adding aniline monomer, placing in ice bath, and stirring, (2) adding hydrochloric acid and ethylenediamine, uniformly stirring, adding ammonium persulfate, stirring at 90-120 degrees C for 5-10 hours, (3) cooling to room temperature, adding dihydroxypropionic acid, triethylamine and dioctyl sodium sulfosuccinate, stirring for 15-30 minutes, adding graphene aqueous solution with 1-10 mg/ml graphene, stirring at high-speed of 800-1300 rpm for 12-24 hours, centrifugal-filtering, placing the obtained product in acetic acid solution 5-10 times by product weight, leaving stand for 2-5 hours, washing with deionized water and acetone alternately 5 times, and vacuum freeze-drying.