Nucleation and growth of monodisperse droplets in a binary-fluid system

Andrew Cumming; Pierre Wiltzius; Frank S. Bates

doi:10.1103/PhysRevLett.65.863

Nucleation and growth of monodisperse droplets in a binary-fluid system

Andrew Cumming, Pierre Wiltzius, Frank S. Bates

Chemical Engineering and Materials Science

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Abstract

Mixtures of polyisoprene and poly(ethylene-propylene) have been studied using time-resolved elastic light scattering. For off-critical quenches just into the two-phase coexistence region, highly monodisperse spheres are observed, whose radii grow with a power law R(t)=R0t1/2. The monodispersity and growth law are explained as a heterogeneous nucleation process with a simple model equation for the growth of isolated spheres, and allow the study of the kinetics of domain growth for metastable thermodynamic processes in unprecedented detail.

Original language	English (US)
Pages (from-to)	863-866
Number of pages	4
Journal	Physical Review Letters
Volume	65
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.65.863
State	Published - Jan 1 1990

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AB - Mixtures of polyisoprene and poly(ethylene-propylene) have been studied using time-resolved elastic light scattering. For off-critical quenches just into the two-phase coexistence region, highly monodisperse spheres are observed, whose radii grow with a power law R(t)=R0t1/2. The monodispersity and growth law are explained as a heterogeneous nucleation process with a simple model equation for the growth of isolated spheres, and allow the study of the kinetics of domain growth for metastable thermodynamic processes in unprecedented detail.

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Nucleation and growth of monodisperse droplets in a binary-fluid system

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