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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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

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