Dynamic Correlation Function of Monodispersed Colloid

Sarunya Promkotra; Tawiwan Kangsadan

doi:10.4028/www.scientific.net/AMM.446-447.176

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 446-447Dynamic Correlation Function of Monodispersed...

Dynamic Correlation Function of Monodispersed Colloid

Abstract:

Diffusive behaviors for two-dimensional (2D) monodispersed polystyrene array of droplet spreading by either methanol or ethanol suspension are observed on a rigid surface. Methanol solution can spread speedily on the glass surface because of the positive spreading coefficient. Conversely, the ethanol will not easily proliferate out. Monodisperse polystyrene particles are involved in Brownian motion in a thick layer during alcohol evaporation. A monolayer dimension of the drop has been developed at the final spreading. Lateral capillary forces are produced and caused the aggregation of particles. Evaporation at the edge of the ethanol film did not lead to the film to retract. The formation of 2D array, which preceded the spreading of the microscopic droplet across the surface, is able to indicate the dense structure to the dynamic correlation function.

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Periodical:

Applied Mechanics and Materials (Volumes 446-447)

Pages:

176-180

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.446-447.176

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Online since:

November 2013

Authors:

Sarunya Promkotra, Tawiwan Kangsadan

Keywords:

2D Aggregates, 2d Array, Spreading Dynamics

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References

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