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Correlations between the free-volume properties and the miscibility of chitosan/polar polymers blend membranes
Zeng, MF; Sun, XD; Wang, Y; Yao, XD; Xiao, HQ; Wang, BY; Qi, CZ; Wang BY(王宝义)
2008
发表期刊RADIATION PHYSICS AND CHEMISTRY
卷号77期号:9页码:1062-1068
通讯作者[Zeng Minfeng ; Sun Xudong ; Wang Yun ; Yao Xiandong ; Xiao Huiquan ; Qi Chenze] Shaoxing Univ, Inst Appl Chem, Shaoxing 312000, Peoples R China ; [Wang Baoyi] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
摘要The miscibility of chitosan (CS)/polar polymer blend membranes has been studied by positron annihilation and other methods. The miscibility of these two blend systems (CS/polyvinyl pyrrolidone (PVP) and CS/polyethylene glycol (PEG)) is good in the solution state clue to the hydrogen interaction between the functional groups of the studied polymers. However, the miscibility of these two blend systems in the solid state is better in the CS/PVP system than in the CS/PEG system. The differences in miscibility of such two blend systems in the solid state were powerfully demonstrated with positron annihilation lifetime spectroscopy (PALS) methods. The CS/PEG blend system had Much larger free-volume size and lower free-volume concentration. For their poorer interaction and phase separation fact, the molecules in the interfacial zone of the CS/PEG blend Lire less compact than the CS matrix. Therefore. the free-volume size in the interfacial zone was much larger than it in the CS matrix. (C) 2008 Published by Elsevier Ltd.
关键词Miscibility Free volume Positron annihilation Blends
学科领域Chemistry; Nuclear Science & Technology; Physics
DOI10.1016/j.radphyschem.2008.01.008
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语种英语
WOS研究方向Chemistry ; Nuclear Science & Technology ; Physics
WOS类目Chemistry, Physical ; Nuclear Science & Technology ; Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000260203500013
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被引频次:4[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/311005/238980
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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Zeng, MF,Sun, XD,Wang, Y,et al. Correlations between the free-volume properties and the miscibility of chitosan/polar polymers blend membranes[J]. RADIATION PHYSICS AND CHEMISTRY,2008,77(9):1062-1068.
APA Zeng, MF.,Sun, XD.,Wang, Y.,Yao, XD.,Xiao, HQ.,...&王宝义.(2008).Correlations between the free-volume properties and the miscibility of chitosan/polar polymers blend membranes.RADIATION PHYSICS AND CHEMISTRY,77(9),1062-1068.
MLA Zeng, MF,et al."Correlations between the free-volume properties and the miscibility of chitosan/polar polymers blend membranes".RADIATION PHYSICS AND CHEMISTRY 77.9(2008):1062-1068.
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