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Study of Temperature Effect of Micellar Solutions of PSDMS Block Copolymer in n-Heptane by Positron Annihilation
其他题名嵌段共聚物溶液胶束温度行为的正电子湮没研究
Xiong XM(熊兴民); Yang JH(杨巨华); Xiong, XM; Yang, JH; Ye, ML; Zhang, YJ; Shi, LH
1995
发表期刊ACTA PHYSICO-CHIMICA SINICA
卷号11期号:6页码:541-546
通讯作者[Xiong Xingmin ; Yang Juhua] Acad Sinica, Inst High Energy Phys, Beijing 100080, Peoples R China ; [Ye Meiling ; Zhang Yingjiu ; Shi Lianghe] Acad Sinica, Inst Chem, Beijing 100080, Peoples R China
文章类型Article
摘要The positron lifetime technique has been used to study the temperature behavior of micelle in solution of polystyrene-polydimethylsiloxane diblock copolymer in n-heptane. The results indicate that positron annihilation parameters are found to be sensitive to structural and microphase changes taking place in the micellar solutions. The abrupt changes in the o-P-H. lifetime and intensity observed at certain temperature appear to be associated with variations in the aggregation state of the copolymer molecules in solutions. Above the critical micelle temperature the o-P-s lifetime increases sharply with increasing temperature. This behavior indicates the process of disintegration of molecular aggregtes to free copolymer molecules.
关键词Positron annihilation Blok copolymer Micellar solution Temperature effect
学科领域Chemistry
研究领域[WOS]Chemistry ; Chemistry
DOI10.3866/PKU.WHXB19950613
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语种英语
研究领域[WOS]Chemistry ; Chemistry
WOS类目Chemistry, Physical
WOS记录号WOS:000207590500013
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237882
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
Xiong XM,Yang JH,Xiong, XM,et al. Study of Temperature Effect of Micellar Solutions of PSDMS Block Copolymer in n-Heptane by Positron Annihilation[J]. ACTA PHYSICO-CHIMICA SINICA,1995,11(6):541-546.
APA 熊兴民.,杨巨华.,Xiong, XM.,Yang, JH.,Ye, ML.,...&Shi, LH.(1995).Study of Temperature Effect of Micellar Solutions of PSDMS Block Copolymer in n-Heptane by Positron Annihilation.ACTA PHYSICO-CHIMICA SINICA,11(6),541-546.
MLA 熊兴民,et al."Study of Temperature Effect of Micellar Solutions of PSDMS Block Copolymer in n-Heptane by Positron Annihilation".ACTA PHYSICO-CHIMICA SINICA 11.6(1995):541-546.
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