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Influence of Filler Particles and Filler Clusters on Phase Separation in Binary Polymer Blends

Published online by Cambridge University Press:  21 March 2011

Y. Jiang ,
A. Saxena ,
T. Lookman  and
J. F. Douglas
Y. Jiang
Affiliation:
Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545
A. Saxena
Affiliation:
Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545
T. Lookman
Affiliation:
Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545
J. F. Douglas
Affiliation:
Polymer Division, National Institute of Standards and Technology, Gaithersburg, MD 20899
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Abstract

Motivated by recent experiments on filled polymer thin films, we study the effect of the presence of filler particles on phase separating mixtures. Using a generalized Cahn-Hillard-cook model, we show that the preferential wetting of one phase on the filler surface generates transient composition waves in the phase separating blends. The interference of the composition waves from different particles can stabilize the transient patterns, leading to desirable control of the morphology.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 661: Symposium KK – Filled & Nanocomposite Polymer Materials , 2000 , KK8.5
Copyright
Copyright © Materials Research Society 2001

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References

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