Polypropylene (PP)/nano-calcium carbonate (nano-CaCO3) composite was prepared using a co-rotating, intermeshing twin-screw extruder. The effect of flow fields on the morphology of the nanocomposite was investigated. Transmission electron microscopy (TEM) was used for the determination of the morphology in the nanocomposite. The crystallization behavior of the nanocomposite was studied by using differential scanning calorimetry (DSC) and the melt shear viscosity was investigated by a melt flow index tester. The study showed that the flow field, through appropriately combining the type of the screw elements in this work, plays an important role in developing morphology of the nanocomposite. In addition, it was shown that the melt viscosity for the nanocomposite at the filler content less than 10 wt% is lower than that of neat PP.
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ASME 2005 International Mechanical Engineering Congress and Exposition
November 5–11, 2005
Orlando, Florida, USA
Conference Sponsors:
- Materials Division
ISBN:
0-7918-4234-7
PROCEEDINGS PAPER
Effect of Flow Fields on Morphology of PP/Nano/CaCO3 Composite and Its Rheological Behavior
Han-Xiong Huang,
Han-Xiong Huang
South China University of Technology
Search for other works by this author on:
Shan-Qiang Mao
Shan-Qiang Mao
South China University of Technology
Search for other works by this author on:
Han-Xiong Huang
South China University of Technology
Guo Jiang
South China University of Technology
Shan-Qiang Mao
South China University of Technology
Paper No:
IMECE2005-80830, pp. 567-574; 8 pages
Published Online:
February 5, 2008
Citation
Huang, H, Jiang, G, & Mao, S. "Effect of Flow Fields on Morphology of PP/Nano/CaCO3 Composite and Its Rheological Behavior." Proceedings of the ASME 2005 International Mechanical Engineering Congress and Exposition. Materials. Orlando, Florida, USA. November 5–11, 2005. pp. 567-574. ASME. https://doi.org/10.1115/IMECE2005-80830
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