The invention provides a polypropylene with high melt strength, a preparation method and application thereof, relating to the field of polymer material processing. The raw materials for preparing the high melt strength polypropylene provided by the invention comprise polypropylene, a peroxide initiator, an acrylate monomer, an allyl monomer, a comonomer and an antioxidant. The invention prepares high melt strength polypropylene by compounding two monomers with different reaction activities, achieving a favorable modification effect, significantly improving the melt strength of polypropylene with a lower gel content, and is suitable for various foaming processes such as extrusion, compression molding and autoclave foaming.

Country Code: CN

Application Number: CN202111259246.7