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Fluid phase behavior of a model colloid-polymer mixture: Influence of polymer size and interaction strength
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10.1063/1.3000011
/content/aip/journal/jcp/129/16/10.1063/1.3000011
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/16/10.1063/1.3000011
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Fluid phase diagram for and in the reservoir representation. The triangles represent data obtained within this study and ’s correspond to the work of Bolhuis et al. (Ref. 17). Our estimate for the critical point is denoted by a filled triangle.

Image of FIG. 2.
FIG. 2.

Fluid-fluid binodal for select values of with (a) in the system representation and (b) in the reservoir representation. The circles, squares, triangles, and diamonds correspond to , 0.8, 0.6, and 0.4, respectively. The filled symbols represent estimates for critical points.

Image of FIG. 3.
FIG. 3.

Fluid-fluid binodal for select values of with (a) in the system representation and (b) in the reservoir representation. The circles, downward triangles, leftward triangles, and rightward triangles correspond to , 1.0, 2.5, and 10.0, respectively. The filled symbols represent estimates for critical points.

Image of FIG. 4.
FIG. 4.

Summary of the variation in the critical point with and . The lines connect critical points with identical and variable . The circles, squares, triangles, and diamonds correspond to , 0.8, 0.6, and 0.4, respectively. With the exception of the case, all lines span from to 2.5 in intervals of 0.5. The line corresponding to also includes values for and 10.0.

Image of FIG. 5.
FIG. 5.

Reduced phase diagrams for the colloid-polymer systems studied here. The symbols are identical to those used in Figs. 2 and 3. The dashed and dot-dashed lines correspond to reduced inverse temperature-density data for HYC fluids with characteristic exponential damping factors of 4.0 and 1.0, respectively.

Image of FIG. 6.
FIG. 6.

The reduced osmotic second virial coefficient as a function of for (a) and variable and (b) and variable . The symbols represent simulation data and the dashed curves provide exact values from the effective two-body potential of Vrij (Ref. 9). In (a) symbols are the same as in Fig. 2(a). In (b) symbols are the same as in Fig. 3(a).

Image of FIG. 7.
FIG. 7.

The reduced osmotic second virial coefficient evaluated at the critical point. The lines connect values at constant .

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/content/aip/journal/jcp/129/16/10.1063/1.3000011
2008-10-29
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Fluid phase behavior of a model colloid-polymer mixture: Influence of polymer size and interaction strength
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/16/10.1063/1.3000011
10.1063/1.3000011
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