Morphology and Property of Polypropylene Composites Filled with Modified Attapulgite

Li Song Hu; Sheng Peng Liu

doi:10.4028/www.scientific.net/AMR.690-693.394

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Morphology and Property of Polypropylene Composites Filled with Modified Attapulgite
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Morphology and Property of Polypropylene Composites Filled with Modified Attapulgite

Abstract:

Organified attapulgites (AT) were modified withγ-Amino propyl triethoxysilane ( KH550 ). Then, the modified AT (AT-KH550) and untreated AT particles were compounded with polypropylene (PP) to prepare PP/AT-KH550 and PP/AT composites respectively. The micro-structrue, chemical structure and properties of the composites were also investigated with scanning electron microscopy (SEM), Fourier-transform infrared spectra (FTIR), Differential scanning calorimetry (DSC) and mechanical testing. The FTIR results showed that the KH550 is grafted on the AT particles. The izod impact strength of PP/AT-KH550 composites were improved obviously than those of PP/AT composites. The melting and crystallization temperatures of PP/AT and PP/AT-KH550 composites were increased with the loading of pristine AT and KH550 modified AT particles.