Abstract
In this paper, the high-filled talcum masterbatches with four different talcum contents (60%, 65%, 70% and 75%) were prepared. The effect of two addition methods (masterbatch method and direct method) on the performance of the PP composite was studied. The burning residual of all four high-filled masterbatches was above 95%. The analysis on the mechanical properties of PP/talcum composites indicated that the talcum masterbatch with 70% content possessed better application effect than others. Based on the microstructure observation and comparison with direct addition method, the PP composite made through masterbatch method achieved more even distribution of talcum in the matrix, better stable quality and smaller performance difference among different batches of products, and improved the technological process.
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