Correlation lengths and chain sizes in PS/PVME blends: Influence of compressibility, interactions, and monomer structures

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Abstract
The lattice cluster theory is applied to explain the observed strong concentration dependence of the apparent radius of gyration and the correlation length in polystyrene/poly(vinylmethylether) blends. The analysis emphasizes the importance of using a theory that properly describes blend compressibility, monomer molecular structures, interactions, and local correlations.