Abstract
A novel phenolic rigid organic filler (named K3) was dispersed in isotactic polypropylene matrix (iPP) by melt-mixing process, and a series of K3/iPP blends was prepared with or without maleic anhydride-grafted polypropylene (MAPP) as compatibilizer. The influences of K3 and MAPP on the filler dispersion were studied using Polarized Optical Microscope (POM) and Fourier Transform Infrared Spectroscopy (FTIR). The influences on the modulus of blends were studied by tensile test and Dynamic Mechanical Analysis (DMA). It was found that K3 can be dispersed in iPP matrix in a spherical form and its particles size can be adjusted by MAPP content. The incorporation of K3 and MAPP can obviously improve the Youngs modulus and storage modulus of blends.
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