Hierarchical Self-Assembly and Dynamics of a Miktoarm Star chimera Composed of Poly(gamma-benzyl-L-glutamate), Polystyrene, and Polyisoprene
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Authors
Gitsas, A.
Floudas, G.
Mondeshki, M.
Lieberwirth, I.
Spiess, H. W.
Iatrou, H.
Hadjichristidis, N.
Hirao, A.
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peer reviewed
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Macromolecules
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The hierarchical self-assembly at the submicrometer, nanometer and alpha-helilcal length scales has been Studied in a miktoarm star rod-coil chimera composed of poly(gamma-benzyl-L-glutamate) (PBLG), polystyrene, and polyisoprene blocks by X-ray scattering, solid state NMR, and transmission electron microscopy. The propensity of the rod block toward alpha-helices that are further hexagonally packed gives rise to pure PBLG domains and induces the partial mixing of the two amorphous blocks. These structural results were confirmed by independent dynamic probes at the segmental and alpha-helical level by NMR and dielectric spectroscopy, respectively.
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functionalized polyphenylene dendrimers, cross-polarization, diblock copolymers, block-copolymers, solid-state, microphase separation, triblock copolymers, molecular-dynamics, nmr, rod
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<Go to ISI>://000274529800029
http://pubs.acs.org/doi/pdfplus/10.1021/ma902631e
http://pubs.acs.org/doi/pdfplus/10.1021/ma902631e
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών