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Characterization of the free volume in high-impact polystyrene/polypropylene and high-impact polystyrene/high-density polyethylene blends probed by positron annihilation spectroscopy
Hu, YH; Qi, CZ; Liu, WM; Wang, BY; Zheng, HT; Sun, XD; Zheng, MM; Wang BY(王宝义)
2003
发表期刊JOURNAL OF APPLIED POLYMER SCIENCE
卷号90期号:6页码:1507-1514
通讯作者Shaoxing Coll Arts & Sci, Dept Chem, Shaoxing 312000, Zhejiang, Peoples R China ; Zhejiang Univ, Dept Chem, Hangzhou 310028, Zhejiang, Peoples R China ; Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China ; Beijing Inst High Energy Phys, Beijing 100083, Peoples R China
文章类型Article
摘要The free-volume properties of high-impact polystyrene (HIPS)/polypropylene (PP) and HIPS/high-density polyethylene (HDPE) blends were investigated by means of positron annihilation lifetime spectroscopy (PALS). The measured results show that the free-volume holes in the semicrystalline polymers, such as PP and HDPE, were not large enough to accommodate the branched chains and the end groups of the macromolecular chains in HIPS to produce favorable interactions between the semicrystalline polymers and the HIPS polymer in these blends; thus immiscible blends were formed. The weak interaction between two dissimilar polymer molecules only took place in the regions between two amorphous phases. In addition, the observed negative deviations of the longest lifetime intensity and the free-volume fraction were attributed to the influence of the interfacial polarization during PALS measurement. (C) 2003 Wiley Periodicals, Inc.
关键词polystyrene poly(propylene) (PP) polyethylene (PE) blends
学科领域Polymer Science
研究领域[WOS]Polymer Science ; Polymer Science
DOI10.1002/app.2379
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语种英语
研究领域[WOS]Polymer Science ; Polymer Science
WOS类目Polymer Science
WOS记录号WOS:000185522000008
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239390
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Hu, YH,Qi, CZ,Liu, WM,et al. Characterization of the free volume in high-impact polystyrene/polypropylene and high-impact polystyrene/high-density polyethylene blends probed by positron annihilation spectroscopy[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2003,90(6):1507-1514.
APA Hu, YH.,Qi, CZ.,Liu, WM.,Wang, BY.,Zheng, HT.,...&王宝义.(2003).Characterization of the free volume in high-impact polystyrene/polypropylene and high-impact polystyrene/high-density polyethylene blends probed by positron annihilation spectroscopy.JOURNAL OF APPLIED POLYMER SCIENCE,90(6),1507-1514.
MLA Hu, YH,et al."Characterization of the free volume in high-impact polystyrene/polypropylene and high-impact polystyrene/high-density polyethylene blends probed by positron annihilation spectroscopy".JOURNAL OF APPLIED POLYMER SCIENCE 90.6(2003):1507-1514.
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