  Polypropylene (PP) is a widely used polymer matter, which has many
advantages, such as rich sources, simple synthesis process, small density, low
cost, easy processing and molding. At present, there has been a lot of progress
in the research of polypropylene modified blending, including PP/ABS system,
PP/SBS system, etc. However, the research on PP/AS blend is relatively few, and
the experimental formula range is large, so it is difficult to determine the
optimal ratio. On the basis of previous experiments, this study further
narrowed the proportion range. Through AS modifying PP, the interface physical
effect of maleic anhydride addition on the mechanical properties of the blend
was discussed, and the optimal proportion was found to obtain the modified PP
resin with significantly improved mechanical properties.
