Linear Response and Stability of Ordered Phases of Block Copolymer Melts
نویسندگان
چکیده
منابع مشابه
Universality of block copolymer melts.
Simulations of five different coarse-grained models of symmetric diblock copolymers are compared to demonstrate a universal (i.e., model-independent) dependence of the free energy and order-disorder transition (ODT) on the invariant degree of polymerization N̄. The actual values of χN at the ODT approach predictions of the Fredrickson-Helfand (FH) theory for N̄ ≳ 10(4) but significantly exceed FH...
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A mean-field analysis of microphase separation and phase behavior is described for melts of linear A-B multiblock copolymers, each chain consisting of a stochastic sequence of flexible segments (each with M monomers), AM and BM, for a total of Q >> 1 segments per chain. We find a phase diagram similar to that for statistical A-B copolymers (M = 1) but with an isotropic Lifshitz point that shoul...
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ژورنال
عنوان ژورنال: Macromolecules
سال: 2008
ISSN: 0024-9297,1520-5835
DOI: 10.1021/ma0714316