Association of diphilic chains near the solvent critical region

Yurii S. Velichko; Valentina V. Vasilevskaya; Pavel G. Khalatur; Alexei R. Khokhlov

doi:10.1063/1.479505

Association of diphilic chains near the solvent critical region

Yurii S. Velichko^*, Valentina V. Vasilevskaya, Pavel G. Khalatur, Alexei R. Khokhlov

^*Corresponding author for this work

Radiology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

By means of computer simulation the association process of diphilic macromolecules with strongly attractive head units (stickers) in the vicinity of the critical point of the solvent is studied. The calculations were carried out by means of Monte Carlo simulation with the bond-fluctuation model of polymer modified by us to mimic the hexagonal packing of monomer units. It was found that the critical concentration of micelle formation and average aggregation number depend crucially not only on the attraction between stickers but on the quality and state of solvent. The average aggregation number can demonstrate nonmonotonic behavior with change in temperature.

Original language	English (US)
Pages (from-to)	2340-2344
Number of pages	5
Journal	Journal of Chemical Physics
Volume	111
Issue number	5
DOIs	https://doi.org/10.1063/1.479505
State	Published - Aug 1 1999

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1063/1.479505

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AU - Velichko, Yurii S.

AU - Vasilevskaya, Valentina V.

AU - Khalatur, Pavel G.

AU - Khokhlov, Alexei R.

PY - 1999/8/1

Y1 - 1999/8/1

N2 - By means of computer simulation the association process of diphilic macromolecules with strongly attractive head units (stickers) in the vicinity of the critical point of the solvent is studied. The calculations were carried out by means of Monte Carlo simulation with the bond-fluctuation model of polymer modified by us to mimic the hexagonal packing of monomer units. It was found that the critical concentration of micelle formation and average aggregation number depend crucially not only on the attraction between stickers but on the quality and state of solvent. The average aggregation number can demonstrate nonmonotonic behavior with change in temperature.

AB - By means of computer simulation the association process of diphilic macromolecules with strongly attractive head units (stickers) in the vicinity of the critical point of the solvent is studied. The calculations were carried out by means of Monte Carlo simulation with the bond-fluctuation model of polymer modified by us to mimic the hexagonal packing of monomer units. It was found that the critical concentration of micelle formation and average aggregation number depend crucially not only on the attraction between stickers but on the quality and state of solvent. The average aggregation number can demonstrate nonmonotonic behavior with change in temperature.

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Association of diphilic chains near the solvent critical region

Abstract

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