▎ 摘　　要

NOVELTY - A polypropylene nucleating agent composition comprises organic nucleating agent of 1,3,5-trimellitic acid amide nucleating agent and graphene nano-material at weight ratio of 5:1-1:5. USE - Polypropylene nucleating agent composition. ADVANTAGE - The composition has high nucleating efficiency and simple preparation method and improves mechanical property and transparency of polypropylene. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of composition comprising dispersing nanographene in deionized water and dissolving 1,3,5-trimellitic acid amide in N,N-dimethylformamide; and dissolving prepared materials in nucleating agent and N,N- dimethylformamide, and mixing with surfactant.