Abstract
The phase behavior of poly (ethylene oxide) (PEO) and poly(styrene-co-sodium sulfonated styrene) (SPS) blends has been examined as a function of copolymer composition. The mixtures show complex coacervation in dilute benzene/methanol (9/1, v/v) solution. The presence of intermolecular interactions between PEO and SPS in solution is verified by viscometry. Interaction between PEO and SPS in the solid state was supported by small-angle x-ray scattering; however, binary blends containing low PEO content show high miscibility, whereas the blends with high PEO content show phase separation.
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Schedule a callMore From: Journal of Polymer Science Part B: Polymer Physics
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