Document Detail

Beyond Flory-Huggins theory: new classes of blend miscibility associated with monomer structural asymmetry.
MedLine Citation:
PMID:  11864024     Owner:  NLM     Status:  MEDLINE    
Flory-Huggins (FH) theory is restricted to polymer mixtures whose monomers are structurally identical, a situation limited to isotopic blends and computer simulations. We investigate the influence of monomer structure on blend miscibility and scattering properties using the lattice cluster theory generalization of the FH model. Monomer structural asymmetry is shown to profoundly affect blend miscibility (T(c),phi(c)), chain swelling (T(theta)), and the scale (xi) and intensity [S(0)] of composition fluctuations. Four distinct blend miscibility classes are identified and experimental evidence for these classes is discussed.
Jacek Dudowicz; Karl F Freed; Jack F Douglas
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.     Date:  2002-02-13
Journal Detail:
Title:  Physical review letters     Volume:  88     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2002 Mar 
Date Detail:
Created Date:  2002-02-26     Completed Date:  2002-04-22     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  095503     Citation Subset:  IM    
The James Franck Institute, University of Chicago, Chicago, IL 60637, USA.
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MeSH Terms
Models, Chemical*
Polymers / chemistry*
Grant Support
Reg. No./Substance:

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