Phase separation in an unstable system polydimethylsiloxane-diethyl carbonate
- 1 June 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 25 (6), 3449-3452
- https://doi.org/10.1103/physreva.25.3449
Abstract
The effective growth rate of critical fluctuations in the unstable region of the system polydimethylsiloxane-diethyl carbonate was found to be time independent for an appreciable time and the negative composition diffusivity D* to be represented by the power law of D*∝εν* with ν*≈0.62, where ε=|(T−Tc)Tc|. The value of D* was approximately three times larger than the positive composition diffusivity D at the same ε in the stable region.Keywords
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