Volume 48, Number 5, December 1999
|Page(s)||540 - 546|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 September 2002|
Collapse of semi-flexible brushes in poor solvents: Tilting and bending
Research School of Physical Sciences, Institute of Advanced Studies, The Australian National University - Canberra ACT 0200, Australia
Accepted: 7 October 1999
We study the problem of a semi-flexible polymer brush immersed in a poor solvent and show that the brush is unstable to collapse. We are able to solve the problem exactly by mapping it onto one of a classical particle in a known potential. In contrast to the case of flexible chains, the free-energy costs of bending may result in a sharp transition to a stable tilted and bent phase.
PACS: 61.25.Hq – Macromolecular and polymer solutions; polymer melts; swelling / 87.15.-v – Biomolecules: structure and physical properties
© EDP Sciences, 1999
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