DOI: 10.1063/1.458277. Dynamics of phase separation in a binary polymer blend of critical composition

Dynamics of phase separation in a binary polymer blend of critical composition

10.1063/1.458277

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

We report results of a detailed numerical study of the phase separation process in a three dimensional model of polymer blends. The model system considered by us is described by Flory–Huggins–de Gennes free-energy functional. For a critical quench, we numerically integrate the corresponding time evolution equation for the conserved order parameter based on the above free-energy functional. We study the time dependence of the characteristic domain size as well as the pair correlation function and the structure factor for several quench temperatures. The results indicate that the growth law for the characteristic domain size is given by a modified Lifshitz–Slyozov law and the growth law exponent is independent of the quench temperature. We also find that both the pair correlation function and the structure factors show dynamical scaling at late times.

Bibliography

Chakrabarti, A., Toral, R., Gunton, J. D., & Muthukumar, M. (1990). Dynamics of phase separation in a binary polymer blend of critical composition. The Journal of Chemical Physics, 92(11), 6899â6909.

Authors 4

Amitabha Chakrabarti (first)
Raul Toral (additional)
James D. Gunton (additional)
M. Muthukumar (additional)

References 37 Referenced 67

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:12 a.m.)
Deposited	1 year, 6 months ago (Feb. 7, 2024, 5:59 p.m.)
Indexed	1 year, 2 months ago (June 30, 2024, 11:10 p.m.)
Issued	35 years, 3 months ago (June 1, 1990)
Published	35 years, 3 months ago (June 1, 1990)
Published Print	35 years, 3 months ago (June 1, 1990)

Funders 0

None

BibTeX

@article{Chakrabarti_1990, title={Dynamics of phase separation in a binary polymer blend of critical composition}, volume={92}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.458277}, DOI={10.1063/1.458277}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Chakrabarti, Amitabha and Toral, Raul and Gunton, James D. and Muthukumar, M.}, year={1990}, month=jun, pages={6899–6909} }

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