▎ 摘　　要

NOVELTY - A reinforced and toughened polypropylene modified masterbatch comprises 100 pts. wt. polypropylene, 3-5 pts. wt. tri(methylcyclopentadienyl) yttrium, 0.01-0.1 pt. wt. antioxidant, 0.2-0.4 pt. wt. initiator, and 15-20 pts. wt. graphene. USE - Reinforced and toughened polypropylene modified masterbatch is used for water supply pipe for large-scale building and industry. ADVANTAGE - The reinforced and toughened polypropylene modified masterbatch is convenient to add and utilizes the enhancement of low-adding amount of multilayer graphene, and enhances rigidity and ring rigidity of the pipe. The reinforced and toughened polypropylene modified masterbatch absorbs UV radiation, improves weatherability, heat resistance and toughness of the pipe by using the crystal form, and improves low temperature brittleness of the pipe. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the reinforced and toughened polypropylene modified masterbatch, which involves extruding and granulating after mixing polypropylene, tri(methylcyclopentadiene) yttrium, antioxidant, and initiator to obtain pellets, and extruding and granulating the pellets after being mixed with the multilayer graphene.