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Rheological Behavior for Mica-filled Polypropylene Composite Melts

Yan-xiaCao、MiaoDu、QiangZHENG

2004中国化学快报：英文版Materials Science被引 4

摘要

The study on rheological properties of a series of mica-filled polypropylene (PP) composites was carried out. The influence of surface-treatment of mica particles on dynamic rheological behavior of the composites were dealt with. The viscosity (η) and dynamic modulus ( G' ) of the composite melts were higher than those of PP matrix, especially those for systems treated with silane, which was attributed to the interfacial adhesion enhancement. However, surface-treatment of mica by titanate resulted in lower η and G', as compared with the treatment by silane. The reason for this is believed to be the formation of the mono-molecular layer on the mica surface.

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