Author(s): Kalwarczyk, Tomasz and Ziebacz, Natalia and Fialkowski, Marcin and Holyst, Robert
Title: Late stage of the phase-separation process: Coalescence-induced gravitational sedimentation, and collective evaporation mechanisms
Abstract: We study the separation in the binary and ternary mixtures of the C(12)E(5)/polymer PEG system. The phase separation in mixtures at late stages is governed by two distinct mechanisms: the coalescence and the droplet evaporation mechanism. show that when the coalescence-induced coalescence process is terminated in the sample consisting of a dense system of another mechanism, which we call the collective droplet starts to dominate. It manifests itself as a front of domains, which propagates at constant speed in the We show that the collective evaporation is induced by the gravitational drift of large droplets.
Pages: 6433-6440
Journal: LANGMUIR
Volume: 24
ID: ISI:000257101100010
Year: 2008
DOI: 10.1021/la704003q