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Titolo:
FORCES BETWEEN POLYELECTROLYTE COATED SURFACES IN THE PRESENCE OF ELECTROLYTE
Autore:
WOODWARD CE; AKESSON T; JONSSON B;
Indirizzi:
UNIV NEW S WALES COLL,AUSTRALIAN DEF FORCE ACAD,DEPT CHEM KENSINGTON NSW 2600 AUSTRALIA LTH,CTR CHEM,DEPT PHYS CHEM 2 S-22100 LUND SWEDEN
Titolo Testata:
The Journal of chemical physics
fascicolo: 3, volume: 101, anno: 1994,
pagine: 2569 - 2576
SICI:
0021-9606(1994)101:3<2569:FBPCSI>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
DOUBLE-LAYER FORCES; POLY-ELECTROLYTES; MONTE-CARLO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
C.E. Woodward et al., "FORCES BETWEEN POLYELECTROLYTE COATED SURFACES IN THE PRESENCE OF ELECTROLYTE", The Journal of chemical physics, 101(3), 1994, pp. 2569-2576

Abstract

The interaction between charged surfaces bearing terminally attached polyelectrolyte chains is investigated using Monte Carlo computer simulations and a mean-field theory. In particular we focus on the role played by the addition of a simple electrolyte component. It is found that the force between the surfaces increases with increasing electrolyte concentration because of a repulsive osmotic pressure contribution due to the small ions, while the attractive bridging component is insensitive to added salt. Considering the approximate nature of the mean-field (polyelectrolyte Poisson-Boltzmann) theory it compares well with the computer simulations.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 12:47:08