Evidence for dynamic heterogeneities in computer simulations of miscible polymer blends

Sudesh Y. Kamath; Ralph H. Colby; Sanat K. Kumar

Evidence for dynamic heterogeneities in computer simulations of miscible polymer blends

Sudesh Y. Kamath, Ralph H. Colby, Sanat K. Kumar

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

Abstract

The dynamic heterogeneities of miscible polymer blends were analyzed. The distribution of mobilities experienced by a probe monomer in a miscible blend of chains with disparate glass transition temperatures was found to be much broader than in pure polymers. It was found that concentration fluctuations yield distinctly different temperature dependences for the dynamics of the two different components.

Original language	English (US)
Article number	010801
Pages (from-to)	108011-108014
Number of pages	4
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	67
Issue number	1 1
State	Published - Jan 1 2003

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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title = "Evidence for dynamic heterogeneities in computer simulations of miscible polymer blends",

abstract = "The dynamic heterogeneities of miscible polymer blends were analyzed. The distribution of mobilities experienced by a probe monomer in a miscible blend of chains with disparate glass transition temperatures was found to be much broader than in pure polymers. It was found that concentration fluctuations yield distinctly different temperature dependences for the dynamics of the two different components.",

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