Sunday, May 19, 2013

1305.3520 (G. Romeo et al.)

Elasticity of compressed microgel suspensions    [PDF]

G. Romeo, M. Pica Ciamarra
We describe the elasticity of compressed microgel suspensions starting from a core--shell model for the single particle. The mechanical properties of the inner core and of the outer corona are described via the mean field Flory theory, and via the Alexander--de Gennes model for polymer brushes, respectively. The model successfully reproduces experimental measures of the elastic shear modulus up to a constant factor that we rationalize in the jamming perspective.
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