Effects of CO<inf>2</inf> and talc contents on recyclable HMS PP foaming
Recyclable high-melt-strength (HMS) PP has been introduced as an alternative choice to replace crosslinked material in a tandem foaming extrusion process. A filamentary die was selected to promote the optimum processing condition. The cell nucleation and volume expansion behaviors have been investig...
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| Main Authors: | , , , |
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| 格式: | Conference Proceeding |
| 出版: |
2018
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| 主題: | |
| 在線閱讀: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33745596820&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/61561 |
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| 機構: | Chiang Mai University |
| 總結: | Recyclable high-melt-strength (HMS) PP has been introduced as an alternative choice to replace crosslinked material in a tandem foaming extrusion process. A filamentary die was selected to promote the optimum processing condition. The cell nucleation and volume expansion behaviors have been investigated as a function of the aspects of die temperature, CO2 content, and talc content. The results exhibited a significant relationship between the processing parameters and foaming behaviors. Low density (i.e., 12~14 fold), fine-celled (i.e., 107-109 cells/cm 3) PP foams were successfully produced using a small amount of talc (i.e., 0.8 wt%) and 5 wt% CO2. |
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