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  Solid-state morphologies of linear and bottlebrush-shaped polystyrene-poly(Z-L-lysine) block copolymers

Schlaad, H., Kukula, H., Smarsly, B., Antonietti, M., & Pakula, T. (2002). Solid-state morphologies of linear and bottlebrush-shaped polystyrene-poly(Z-L-lysine) block copolymers. Polymer, 43(19), 5321-5328.

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Schlaad, H., Autor
Kukula, H.1, Autor           
Smarsly, B., Autor
Antonietti, M.1, Autor           
Pakula, Tadeusz1, Autor           
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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Schlagwörter: polypeptide block copolymer; polymer architecture; solid-state morphology
 Zusammenfassung: The solid-state structures of polystyrene -poly(Z-L-lysine) block copolymers were examined with respect to the polymer architecture and the secondary structure of the polypeptide using circular dichroism, quantitative small- and wide-angle X- ray scattering, and electron microscopy. Linear block copolymers exhibit a hexagonal-in-lamellar structure where folded and packed polypeptide alpha-helices form lamellae which extend over an exceptional broad range of the composition diagram. Star- or bottlebrush-shaped copolymers are able to stabilize a larger interface area than linear ones which promotes the formation of undulated lamellar mesophases. Depending on the secondary structure of polypeptide segments, plane lamellar, superundulated lamellar, or corrugated lamellar phases are formed. These results indicate the importance of a secondary structure and packing of polymer chains for the formation of new phases and ordering far from the 'classical' phase behavior. (C) 2002 Elsevier Science Ltd. All rights reserved.

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Sprache(n): eng - English
 Datum: 2002-09
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Keine Begutachtung
 Identifikatoren: eDoc: 28614
ISI: 000177955400032
 Art des Abschluß: -

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Titel: Polymer
  Alternativer Titel : Polymer
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 43 (19) Artikelnummer: - Start- / Endseite: 5321 - 5328 Identifikator: ISSN: 0032-3861