Open Access

Self-organization of stack-up block copolymers into polymeric supramolecules

Nanoscale Research Letters20072:104

DOI: 10.1007/s11671-007-9038-8

Received: 13 November 2006

Accepted: 2 January 2007

Published: 24 January 2007

Abstract

Polyethylene oxide –b– polypropylene oxide -b- polyethylene oxide (EO106PO70EO106) block copolymer self-organizes into polymeric supramolecules, characterized by NMR as phase transition from the isotropic stack-up block structure to the ordered cubic polymeric supramolecular structure. Its dependence on both temperature and copolymer concentration is clearly shown by the changes in line shape and chemical shift of the PO70blockβ,γ resonances.

Keywords

Self-assembly Block co-polymer NMR

[115]

Authors’ Affiliations

(1)
Industrial Research Ltd., Crown Research Institutes

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Copyright

© to the authors 2007