Brush Polymers Containing Semiconducting Polyene Backbones: Graft-Through Synthesis via Cyclopolymerization and Conformational Analysis on the Coil-to-Rod Transition
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Date
2012-09-18Type
- Journal Article
ETH Bibliography
no
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Abstract
Using a grafting-through strategy, brush polymers containing semiconducting polyene backbones were efficiently synthesized by cyclopolymerization for the first time. Macromonomers containing poly(l-lactide) and poly(ε-caprolactone), prepared by living ring-opening polymerization, were polymerized using the GrubbsHoveyda catalyst to produce high molecular weight (>0.5 M Da) brush polymers. The brush polymers underwent a unique coil-to-rod transition during the aging of the polymer solution, and this conformational change was supported by UVvis and size-exclusion chromatography (SEC)viscometry analysis. In addition, the extended conformation of single chains of the brush polymers could be visualized by atomic force microscopy. Show more
Publication status
publishedExternal links
Journal / series
ACS Macro LettersVolume
Pages / Article No.
Publisher
American Chemical SocietyOrganisational unit
09767 - Choi, Tae-Lim / Choi, Tae-Lim
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ETH Bibliography
no
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