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HomeMaterials Science ForumMaterials Science Forum Vol. 861Microcellular Foaming of Biodegradable PLA/PPC...

Microcellular Foaming of Biodegradable PLA/PPC Composite Using Supercritical CO₂

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Abstract:

Poly (lactic acid) (PLA)/poly (propylene carbonate) (PPC) composite foams were microcellular foamed with CO2 through a batch foaming process. The influences of PPC contents, foaming temperature, and saturation pressure on the cell structure and foam density were investigated. The biodegradable PLA/PPC composite foam showed a controlled structure of microcellular and nanocellular. With an increase in saturation temperature and pressure, the cell size was increasing and both the cell density and foam density were decreased simultaneously.

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Advances in Materials Processing XII

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Periodical:

Materials Science Forum (Volume 861)

Pages:

247-252

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.861.247

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Online since:

July 2016

Authors:

Zhen Guo Ma, Xian Hua Lang, Peng Luo, Zhen Xiang Xin, Zhen Xiu Zhang*

Keywords:

Blend, Foam, Poly Lactic Acid, Poly Propylene Carbonate

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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