Flame retardant polypropylene composition for salivating method sheet materials and manufacture method thereof

The invention discloses a flame retardant polypropylene composition for salivating method sheet materials. The flame retardant polypropylene composition is characterized by consisting of the following ingredients in parts by mass: 100 mass parts of polypropylene, 30 to 50 mass parts of phosphoric flame retardant copolymers, 5 to 8 mass parts of additive flame retardants, 5 to 8 mass parts of tougheners, 1 to 5 mass parts of flame retardant synergistic agents and 0.1 to 1 mass part of antioxidants. A preparation method of the flame retardant polypropylene composition comprises the steps that: the phosphoric flame retardant copolymers are prepared; all ingredients of the composition are put into a mixing machine to be uniformly mixed, then, the melt extrusion is carried out by an extruding machine, in addition, the melt temperature is controlled to be 160 to 200 DEG C, the bar pulling and the grain cutting are carried out, and the flame retardant polypropylene composition for the salivating method sheet materials is prepared. The flame retardant polypropylene composition has good compatibility with polypropylene base bodies, the influence on the mechanical performance and the thermal performance of the material is small, and the flame retardant performance and the tearing resistance performance of the polypropylene material are particularly improved. The flame retardant polypropylene composition can be widely applied to the insulation manufacture in the fields of electronic appliances, office electric appliances, vehicles, instrument apparatuses and the like.