引用本文:
Huan GAO, Guo Chang WANG, Bing Lin HE. Critical Transitions of Microviscosity in Concentrated Polystyrene Solutions Revealed by Excimer Formation of Pyrenyl Probes[J]. Chinese Chemical Letters,
1997, 8(6): 543-546.
Citation: Huan GAO, Guo Chang WANG, Bing Lin HE. Critical Transitions of Microviscosity in Concentrated Polystyrene Solutions Revealed by Excimer Formation of Pyrenyl Probes[J]. Chinese Chemical Letters, 1997, 8(6): 543-546.
Citation: Huan GAO, Guo Chang WANG, Bing Lin HE. Critical Transitions of Microviscosity in Concentrated Polystyrene Solutions Revealed by Excimer Formation of Pyrenyl Probes[J]. Chinese Chemical Letters, 1997, 8(6): 543-546.
Critical Transitions of Microviscosity in Concentrated Polystyrene Solutions Revealed by Excimer Formation of Pyrenyl Probes
摘要:
Excimer formation of pyrene and benzyl 4-(1-pyrenyl) butanoate was used to study the microviscosity of polystyrene/toluene solutions over the entire concentration range.Two critical concentrations (CPS~0.32,0.82g/ml) have been observed from the log-log plot of IE/IM vs CPS.The results are explained in terms of the onset of cohesional interaction and the glass transition of the polymer chains,respectively.
English
Critical Transitions of Microviscosity in Concentrated Polystyrene Solutions Revealed by Excimer Formation of Pyrenyl Probes
Abstract:
Excimer formation of pyrene and benzyl 4-(1-pyrenyl) butanoate was used to study the microviscosity of polystyrene/toluene solutions over the entire concentration range.Two critical concentrations (CPS~0.32,0.82g/ml) have been observed from the log-log plot of IE/IM vs CPS.The results are explained in terms of the onset of cohesional interaction and the glass transition of the polymer chains,respectively.
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