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CO 2 Permeability of Polystyrene Nanocomposites and Nanocomposite Foams †

✍ Scribed by Guo, Zhihua; Lee, L. James; Tomasko, David L.


Book ID
126162238
Publisher
American Chemical Society
Year
2008
Tongue
English
Weight
920 KB
Volume
47
Category
Article
ISSN
0888-5885

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## Abstract Supercritical CO~2~ has been used as a blowing agent to foam poly(styrene__‐co‐__acrylonitrile)‐based materials in a single screw extruder specially adapted to allow fluid injection. The cellular morphology depends on foaming temperature, more regular cells being obtained with decreasin