| abstract |
The invention discloses a polypropylene composite material, comprising 85-90 parts of maleic anhydride grafted polypropylene, 1-2 parts of thiobisphenol compounds, 10-15 parts of insulating particles, 1-2 parts of flame retardant, 0.5-1 part of container, 0.5-0.8 part of antioxidant, 0.1-0.5 part of lubricant. The invention also discloses a preparation method of the polypropylene composite material. The polypropylene composite material of the invention has the advantages of good compatibility, improved resistivity, inhibition of charge accumulation, and improved breakdown strength of the material. |