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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide
作者: Yang, CG; Zhe, X; Zhang, MX; Wang, MH; Wu, GZ
刊名: RADIATION PHYSICS AND CHEMISTRY
出版日期: 2017
卷号: 131, 页码:35-40
关键词: Polypropylene ; Radiation ; Cross-linking ; Supercritical carbon dioxide ; Foaming
DOI: 10.1016/j.radphyschem.2016.10.018
文章类型: 期刊论文
英文摘要: Atactic polypropylene (PP) samples with melt flow indices (MFI) of 7.0 g/10 min were irradiated and then foamed with supercritical carbon dioxide (scCO(2)). A detailed investigation was carried out to understand the effect of radiation on the scCO(2) foaming of polypropylene. Variations in the molecular weight, branching degree, crystallinity, and melting and crystallization temperatures of irradiated PP were investigated. The cell diameter, cell density, volume expansion ratio and foaming rate were analyzed in detail under different conditions. It was found that the cell structure of PP foam became more uniform and the foaming temperature window increased to 10 degrees C. This compares favorably to the 4 degrees C observed with pristine atactic PP. The best cell morphology was observed at a dose of 30 kGy. The corresponding average diameter and cell density were 16.4 m and 5.7x10(7) cells/cm(3), respectively.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000390072000006
ISSN号: 0969-806X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27427
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Yang, CG,Zhe, X,Zhang, MX,et al. Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide[J]. RADIATION PHYSICS AND CHEMISTRY,2017-01-01,131:35-40.
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文件名: Radiation effects on the foaming of atactic polypropylene with supercritical carbon dioxide.pdf
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