Unusual coarsening during phase separation in polymer systems

C. B. Muratov

doi:10.1103/PhysRevLett.81.3699

Unusual coarsening during phase separation in polymer systems

C. B. Muratov

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11 Scopus citations

Abstract

We introduce a kinetic model of coarsening of transient polymer networks during the intermediate stages of phase separation in polymer systems. The model explicitly takes into account the effect of the connectivity of polymer chains. We show that during the intermediate stages the size of the droplet grows according to an unusual coarsening law R∼t^1/(d+3). When the network structure breaks up, the coarsening law may cross over to R∼lnt⁻¹, until only at very late stages the Lifshitz-Slyozov coarsening law R∼t^1/3 is recovered.

Original language	American English
Pages (from-to)	3699-3702
Number of pages	4
Journal	Physical review letters
Volume	81
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.81.3699
State	Published - Oct 26 1998
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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AB - We introduce a kinetic model of coarsening of transient polymer networks during the intermediate stages of phase separation in polymer systems. The model explicitly takes into account the effect of the connectivity of polymer chains. We show that during the intermediate stages the size of the droplet grows according to an unusual coarsening law R∼t1/(d+3). When the network structure breaks up, the coarsening law may cross over to R∼lnt−1, until only at very late stages the Lifshitz-Slyozov coarsening law R∼t1/3 is recovered.

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Unusual coarsening during phase separation in polymer systems

Abstract

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