The early stage of phase separation for the system polydimethylsiloxane-diethyl carbonate |
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| Authors: | K. Hamano M. Tachikawa Y. Kenmochi N. Kuwahara |
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| Affiliation: | Department of Polymer Science, Faculty of Technology, Gunma University, Kiryu, Japan |
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| Abstract: | The time evolution of a ring formed by the forward scattered light in the phase separation process was found to be divided into an early and a late stage. The effective concentration diffusivity D1 estimated within the linearized approximation in the unstable region was found to be approximately represented by -D1∝?v1 with v1 ≈0.62, where ?=| (T-Tc)/Tc|. |
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