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Weak segregation in molten statistical copolymers
Author(s) -
de Gennes PierreGilles
Publication year - 2003
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200390016
Subject(s) - copolymer , radius , materials science , phase (matter) , thermodynamics , argument (complex analysis) , statistical physics , polymer chemistry , polymer science , chemical physics , physics , chemistry , polymer , computer science , quantum mechanics , composite material , computer security , biochemistry
We present a qualitative argument suggesting that a statistical (AB) copolymer should display a certain form of weak segregation, with A rich and B rich regions of size comparable to the coil radius. This should occur if the Flory parameter χ is larger than unity (much larger than for the phase separation of A and B of homopolymers) in agreement with detailed calculations by Frederikson, Milner and Leibler. We achieve a certain qualitative insight for the resulting microphase.

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