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Molecular structure and phase behaviour of hairy-rod polymers
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Cheung, David L. and Troisi, Alessandro. (2009) Molecular structure and phase behaviour of hairy-rod polymers. Physical Chemistry Chemical Physics, Vol.11 (No.12). pp. 2105-2112. ISSN 1463-9076
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Official URL: http://dx.doi.org/10.1039/b818428c
Abstract
Using dissipative particle dynamics simulations the relationship between molecular architecture and phase behaviour in model hairy-rod polymers is studied. In agreement with experimental and theoretical studies the phase behaviour is controlled by changes to the molecular structure, particularly the sidechain length and density, and the molecular interactions. For dense sidechains a lamellar structure is found, which becomes an inverted cylindrical phase when the sidechain density is lowered. The ordered phases become more stable on increasing sidechain length and on increasing the repulsion strength between the backbone and sidechains. In the absence of torsional potentials the structures are double-walled, i.e. layers are two polymer backbones thick, while single-walled structures are observed for polymers with torsional potentials.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
| Divisions: | Faculty of Science > Chemistry Faculty of Science > Centre for Scientific Computing |
| Library of Congress Subject Headings (LCSH): | Polymers -- Structure, Charge transfer, Thermochromism, Phase rule and equilibrium, Polyesters |
| Journal or Publication Title: | Physical Chemistry Chemical Physics |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 1463-9076 |
| Date: | 2009 |
| Volume: | Vol.11 |
| Number: | No.12 |
| Number of Pages: | 8 |
| Page Range: | pp. 2105-2112 |
| Identification Number: | 10.1039/b818428c |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) |
| URI: | http://wrap.warwick.ac.uk/id/eprint/28320 |
Data sourced from Thomson Reuters' Web of Knowledge
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