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Foaming Behaviors of PP/Clay Nanocomposites
Technical Paper
2006-01-0505
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This research investigates the foaming behaviors of polypropylene (PP) and PP/clay nanocomposites blown with supercritical CO2. In this context, special attention is paid to the effects of varied clay content on the foamed structures. First, a master batch of nanocomposites with 1% and 5% clay are prepared; the nanocomposites are then characterized using X-Ray Diffraction (XRD) prior to and after their subjection to the foaming process. Subsequently, foaming experiments are conducted using supercritical CO2 as a blowing agent. The cell nucleation and expansion behaviors of the PP-based nanocomposite foams are studied at various clay contents and die temperatures. Finally, the effects of the clay content on the cell morphology, the cell density, and the expansion ratio of the PP/clay nanocomposite foams are identified.
Authors
Citation
Zheng, W., Lee, Y., and Park, C., "Foaming Behaviors of PP/Clay Nanocomposites," SAE Technical Paper 2006-01-0505, 2006, https://doi.org/10.4271/2006-01-0505.Also In
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