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APS » Journals » Phys. Rev. Lett. » Volume 79 » Issue 12
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Phys. Rev. Lett. 79, 2265–2268 (1997)

Is Compressibility Important in the Thermodynamics of Polymer Mixtures?

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Sanat K. Kumar and Boris A. Veytsman
Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802

Janna K. Maranas
Department of Chemical Engineering, Pennsylvania State University, University Park, Pennsylvania 16802

Buckley Crist
Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208

Received 8 May 1997; published in the issue dated 22 September 1997

The effect of compressibility on the static scattering from polymer mixtures is critically evaluated through a general thermodynamic analysis. We find that compressibility plays an important role for blends comprised of chains with disparate chemical structures, and that it is effectively irrelevant for blends with similar chemical structures.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.2265
DOI:
10.1103/PhysRevLett.79.2265
PACS:
61.41.+e
 
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