DOI: 10.1002/bbpc.19971010506. Stability of colloidal suspensions in a binary liquid mixture in the vicinity of its binodal curve

Stability of colloidal suspensions in a binary liquid mixture in the vicinity of its binodal curve

10.1002/bbpc.19971010506

Crossref journal-article

Wiley

Berichte der Bunsengesellschaft für physikalische Chemie (311)

Abstract

AbstractSuspensions of monodisperse polystyrene spheres with a low surface charge density dispersed in 2‐butoxyethanol/water mixtures become unstable in a certain range of compositions and temperatures in the vicinity of the binodal curve for compositions larger than the critical. In this 1‐fluid phase region of the phase diagram water‐rich concentration fluctuations with long range correlations exist. The colloidal particles flocculate reversibly at a well defined temperature below the temperatures of phase separation. Dynamic light scattering experiments show that approaching the temperature of flocculation the hydrodynamic diameter of the polystyrene sphere increases. Evidence is given to support the assumption that the flocculation is caused by a water rich adsorption layer on the surface of the spheres. This leads to a modification of the interparticle potential and triggers flocculation.

Bibliography

GrÃ¼ll, H., & Woermann, D. (1997). Stability of colloidal suspensions in a binary liquid mixture in the vicinity of its binodal curve. Berichte Der Bunsengesellschaft FÃ¼r Physikalische Chemie, 101(5), 814â820. Portico.

Authors 2

H. Grüll (first)
D. Woermann (additional)

References 30 Referenced 17

10.1103/PhysRevLett.54.2123
{'key': 'e_1_2_1_3_2', 'volume-title': 'Liquids at Interfaces', 'author': 'Beysens D.', 'year': '1989'} / Liquids at Interfaces by Beysens D. (1989)
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10.1103/PhysRevE.48.1989
10.1002/bbpc.19940980319
10.1021/la00014a014
10.1063/1.472041
H.GrüllandD.Woermann J. Chem. Phys. Issue 8 January1997.
{'key': 'e_1_2_1_13_2', 'volume-title': 'The Dynamics of Colloidal Suspensions', 'author': 'Russel W. B.', 'year': '1987'} / The Dynamics of Colloidal Suspensions by Russel W. B. (1987)
{'key': 'e_1_2_1_14_2', 'volume-title': 'Theory of Stability of Lyophobic Colloids', 'author': 'Verwey E. J.W.', 'year': '1948'} / Theory of Stability of Lyophobic Colloids by Verwey E. J.W. (1948)
10.1063/1.468158
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10.1063/1.454890
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{'key': 'e_1_2_1_22_3', 'first-page': '2092', 'volume': '16', 'year': '1973', 'journal-title': 'Phys. Liquids'} / Phys. Liquids (1973)
10.1103/PhysRevA.10.393
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10.1021/j150645a032
10.1021/la00079a011
10.1063/1.460222

Dates

Type	When
Created	13 years, 1 month ago (July 11, 2012, 5:17 a.m.)
Deposited	1 year, 10 months ago (Oct. 27, 2023, 2:57 p.m.)
Indexed	1 month, 4 weeks ago (July 7, 2025, 4:25 a.m.)
Issued	28 years, 4 months ago (May 1, 1997)
Published	28 years, 4 months ago (May 1, 1997)
Published Online	15 years, 2 months ago (June 22, 2010)
Published Print	28 years, 4 months ago (May 1, 1997)

Funders 0

None

BibTeX

@article{Gr_ll_1997, title={Stability of colloidal suspensions in a binary liquid mixture in the vicinity of its binodal curve}, volume={101}, ISSN={0005-9021}, url={http://dx.doi.org/10.1002/bbpc.19971010506}, DOI={10.1002/bbpc.19971010506}, number={5}, journal={Berichte der Bunsengesellschaft für physikalische Chemie}, publisher={Wiley}, author={Grüll, H. and Woermann, D.}, year={1997}, month=may, pages={814–820} }

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