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|Title:||Effects of CO<inf>2</inf>and talc contents on foaming behavior of recyclable high-melt-strength PP|
Patrick C. Lee
Chul B. Park
|Abstract:||This article presents an experimental study on the foaming behavior of recyclable high-melt-strength (HMS) branched polypropylene (PP) with CO2as a blowing agent. The foamability of branched HMS PP has been evaluated using a tandem foaming extruder system. The effects of CO2and nucleating agent contents on the final foam characteristics have been thoroughly investigated. Low density (i.e., 12-14-fold), fine-celled (i.e., 107-109cells/cm3) PP foams were successfully produced using a small amount of talc (i.e., 0.8 wt%) and 5 wt% CO2. © 2006 SAGE Publications.|
|Appears in Collections:||CMUL: Journal Articles|
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