Polypropylene composition for automobile bumper and preparation method thereof
A technology of polypropylene composition and automobile bumper, which is applied in the field of automobile bumper materials, can solve the problems of small shrinkage, high cost, and large deformation, and achieve the effects of good size matching, high dimensional stability, and moderate cost
Inactive Publication Date: 2010-06-30
HEFEI GENIUS NEW MATERIALS
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The invention relates to a polypropylene composition for a automobile bumper and a preparation method thereof; the composition comprises the following material by weight proportion: 50 to 80 percent of polypropylene resin, 10 to 25 percent of inorganic filler, 9 to 25 percent of toughener, 0 to 0.5 percent of coupling agent, 0.1 to 1 percent of antioxidant, and 0.1 to 1 percent of lubricant; and the preparation method comprises preparation, mixing, extrusion and other process steps. Compared with the prior art, the composition has the advantages of high toughness, high size stability and relatively modest cost, so that the prepared automobile bumper material meets the standards of cars, can well satisfy the needs of the customers, and has very good size matching property in the complete car assembly.
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