| Issue |
EPL
Volume 88, Number 6, December 2009
|
|
|---|---|---|
| Article Number | 63002 | |
| Number of page(s) | 6 | |
| Section | Atomic, Molecular and Optical Physics | |
| DOI | https://doi.org/10.1209/0295-5075/88/63002 | |
| Published online | 23 December 2009 | |
Microphase separation in bottlebrush polymers under poor-solvent conditions
Institut für Physik, Johannes Gutenberg-Universität - Staudinger Weg 7, D-55099 Mainz, Germany, EU
Received:
21
August
2009
Accepted:
20
November
2009
Molecular-dynamics simulations are used to study the structure of bottlebrush polymers with rigid backbones, for various grafting densities, side chain lengths, and varying solvent quality. While we confirm different states of the bottlebrush proposed by Sheiko et al. (Eur. Phys. J. E, 13 (2004) 125) we find that the transition between stretched and collapsed brushes occurs in a rather gradual manner. The pearl-necklace structure occurring at intermediate grafting densities and rather low temperatures has a pronounced medium-range order along the backbone.
PACS: 36.20.-r – Macromolecules and polymer molecules / 36.20.Ey – Conformation (statistics and dynamics) / 64.75.Va – Phase separation and segregation in polymer blends/polymeric solutions
© EPLA, 2009
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