Temperature-particle concentration phase diagrams for dispersions of weakly interacting particles

Cowell, Christopher A. M.; Vincent, Brian

doi:10.1016/0021-9797(82)90348-4

Cited by 55 publications

(31 citation statements)

References 30 publications

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“…It was observed that the amount of KCl required for destabilization increased from 18 to 480 mM going from PEO 600 to PEO 9000. Similar results were reported by Vincent et al [44][45][46][47] using turbidimetric measurements on dispersions of polystyrene particles stabilized with PEO in the presence of NaNO 3 . Rapid coagulation was strongly retarded in the presence of PEO 20,000.…”

Section: Differences and Analogies Between The Steric Interaction Of supporting

confidence: 87%

Theoretical estimation of stability ratios for hexadecane-in-water (H/W) emulsions stabilized with nonylphenol ethoxylated surfactants

Lozsán

García-Sucre

Urbina-Villalba

2006

Journal of Colloid and Interface Science

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Section: Differences and Analogies Between The Steric Interaction Of supporting

confidence: 87%

Theoretical estimation of stability ratios for hexadecane-in-water (H/W) emulsions stabilized with nonylphenol ethoxylated surfactants

Lozsán

García-Sucre

Urbina-Villalba

2006

Journal of Colloid and Interface Science

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“…By further increase of the solid volume fraction above threshold the ratio of the number of aggregates to the number of singlets remained practically constant whereas the size of aggregates increased. The study of aggregation in sterically stabilised polystyrene latex suspensions was continued in [18][19][20]. It was shown that at certain temperature and certain solid volume fraction there is a range of non-adsorbing polymer concentrations (depending on the molecular mass), where the aggregates coexisted with singlets.…”

Section: Methodsmentioning

confidence: 99%

“…The first possibility is the thermodynamic equilibrium due to competition between the interaction energy and entropy contributions to the system free energy [18][19][20]. Such equilibrium is possible if the aggregation occurs in the shallow potential well with the depth comparable to the thermal energy.…”

Section: Theorymentioning

confidence: 99%

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Formation of stable clusters in colloidal suspensions

Kovalchuk

Starov

Langston

et al. 2009

Advances in Colloid and Interface Science

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The experimental evidences and available theoretical explanations on formation of stable clusters in colloidal suspensions are reviewed. The clusters form in the parameters range intermediate between that corresponds to a stable suspension built up by singlets and that causing the irreversible coagulation of the suspension. The stable clusters can appear as a result of a competition between a short range attraction and a long range repulsion between colloidal particles or due to reversible flocculation in the shallow secondary potential well. Professor AbstractThe experimental evidences and available theoretical explanations on formation of stable clusters in colloidal suspensions are reviewed. The clusters form in the parameters range intermediate between that corresponds to a stable suspension built up by singlets and that causing the irreversible coagulation of the suspension. The stable clusters can appear as a result of a competition between a short range attraction and a long range repulsion between colloidal particles or due to reversible flocculation in the shallow secondary potential well.

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“…Liquid-liquid transitions in colloidal systems have been observed experimentally by Cowel and Vincent (1982). The experimental work has been followed by theoretical studies of Grimson (1983), Victor and Hansen (1984), and KovaEiE and Vlachy (1991).…”

mentioning

confidence: 97%

Liquid‐liquid phase separations in aqueous solutions of globular proteins

Vlachy¹,

Blanch²,

Prausnitz³

1993

AIChE Journal

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A simple statistical‐mechanical theory, known as the random‐phase approximation, is applied to study liquid‐liquid phase separations in solutions of globular proteins. Phase separation may be induced by addition of nonionic polymer or/and ordinary electrolytes. In this analysis, the osmotic‐attraction mechanism, whereby the depletion of “solvent” particles between two proteins causes an attractive force, is primarily responsible for phase separation. For one‐component models of protein solutions, the theory yields simple algebraic expressions for the equation of state and for the chemical potential of the protein. This analytical theory describes the observed solubility behavior of proteins, including the effect of protein and polymer size, protein charge and concentration, and concentration of simple electrolytes.

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Temperature-particle concentration phase diagrams for dispersions of weakly interacting particles

Cited by 55 publications

References 30 publications

Theoretical estimation of stability ratios for hexadecane-in-water (H/W) emulsions stabilized with nonylphenol ethoxylated surfactants

Theoretical estimation of stability ratios for hexadecane-in-water (H/W) emulsions stabilized with nonylphenol ethoxylated surfactants

Formation of stable clusters in colloidal suspensions

Liquid‐liquid phase separations in aqueous solutions of globular proteins

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