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Authors Wang, M. ; Braun, H.-G. ; Meyer, E.
Title Crystalline structures in ultrathin poly(ethylene oxide)/poly(methyl methacrylate) blend films
Date 23.10.2003
Number 11841
Abstract Amorphous poly(ethylene oxide)/poly(methyl methacrylate) (PEO/PMMA) blend films in extremely constrained states are meta-stable and phase separation of fractal-like branched patterns happens in them due to heterogeneously nucleated PEO crystallization by diffusion-limited aggregation. The crystalline branches are viewed flat-on with PEO chains oriented normal to the substrate surface, upon increasing PMMA content the branch width remains invariant but thickness increases. It is revealed that PMMA imposes different effects on PEO crystallization, i.e. the length and thickness of branches, depending on the film composition.
Publisher Polymer
Wikidata
Citation Polymer 44 (2003) 5015-5021
DOI https://doi.org/10.1016/S0032-3861(03)00492-0
Tags MBC_Structure_Formation

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