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Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles

G. J. Fleer ; Laboratory for Physical and Colloid Chemistry, Agricultural University , De Dreijen 6, 6703 BC Wageningen, The Netherlands
J. M. H. M. Scheutjens ; Laboratory for Physical and Colloid Chemistry, Agricultural University , De Dreijen 6, 6703 BC Wageningen, The Netherlands

Puni tekst: engleski, pdf (8 MB) str. 477-494 preuzimanja: 354* citiraj
APA 6th Edition
Fleer, G.J. i Scheutjens, J.M.H.M. (1987). Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles. Croatica Chemica Acta, 60 (3), 477-494. Preuzeto s https://hrcak.srce.hr/176372
MLA 8th Edition
Fleer, G. J. i J. M. H. M. Scheutjens. "Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles." Croatica Chemica Acta, vol. 60, br. 3, 1987, str. 477-494. https://hrcak.srce.hr/176372. Citirano 07.03.2021.
Chicago 17th Edition
Fleer, G. J. i J. M. H. M. Scheutjens. "Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles." Croatica Chemica Acta 60, br. 3 (1987): 477-494. https://hrcak.srce.hr/176372
Harvard
Fleer, G.J., i Scheutjens, J.M.H.M. (1987). 'Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles', Croatica Chemica Acta, 60(3), str. 477-494. Preuzeto s: https://hrcak.srce.hr/176372 (Datum pristupa: 07.03.2021.)
Vancouver
Fleer GJ, Scheutjens JMHM. Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles. Croatica Chemica Acta [Internet]. 1987 [pristupljeno 07.03.2021.];60(3):477-494. Dostupno na: https://hrcak.srce.hr/176372
IEEE
G.J. Fleer i J.M.H.M. Scheutjens, "Effect of Adsorbing and Nonadsorbing Polymer on the Interaction Between Colloidal Particles", Croatica Chemica Acta, vol.60, br. 3, str. 477-494, 1987. [Online]. Dostupno na: https://hrcak.srce.hr/176372. [Citirano: 07.03.2021.]

Sažetak
In this paper it is described how a recent theoretical model can be applied to a system of two colloidal particles in the presence of adsorbing and nonadsorbing polymer. It turns out that in the case of adsorption the most suitable boundary condition is restricted equilibrium, in which a constant amount of polymer is in local equilibrium inside the gap between two particles. At a low polymer dose the formation of bridges gives rise to bridging flocculation, at higher amounts of polymer steric stabilization occurs due to the mutual repulsion of two extended polymer layers. If the polymer does not adsorb on the particles, full equilibrium applies in which the chemical potentials of solvent and polymer in the gap are the same as in the equilibrium bulk solution, The depletion of polymer near the surface may lead to depletion flocculation in not too concentrated polymer solutions. In very concentrated systems the thickness of the depletion zone is relatively small, and the attraction between the particles becomes too weak to overcome the particle entropy, Then the system is restabilized.

Hrčak ID: 176372

URI
https://hrcak.srce.hr/176372

Posjeta: 450 *