Miscibility of Polymer Blends at the Air/Water Interface
The miscibiity of polymer blends has been one of the main subjects in polymer science and technology1–3. A considerable amount of works have been reported on the miscibility of two polymers in the bulk state but there are only a few studies that reveal whether the miscibility of polymer mixtures in the bulk state correlates well with that in the two dimensional state or not. Investigation of polymer monomolecular films speread at the air/water interface leads to the interest of miscibility as well as static and dynamic properties in the two-dimensional system4–8. It is not easy, however, to choose a good pair to compare the miscibility in the bulk state with that in the film spread at the air/water interface, since almost polymers do not form stable monolayers at the air/water interface. Blends of poly(methyl acrylate)(PMA) and poly(vinyl acetate)(PVAc) as well as poly(ethylene oxide)(PEO) and poly(methyl methacrylate)(PMMA) are well-known to be miscible in the bulk state and do form stable monolayers at the air/water interface5,7.
KeywordsSurface Pressure Methyl Methacrylate Polymer Blend Methyl Acrylate Vinyl Acetate
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