Volume 49, Number 4, February II 2000
|Page(s)||534 - 540|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 September 2002|
Scaling laws for polymers in dissipative particle dynamics
Unilever Research Port Sunlight - Quarry Road East Bebington, Wirral CH63 3JW, UK
Accepted: 2 December 1999
A new technique, dissipative particle dynamics (DPD), appears promising as a means of studying the dynamical behaviour of polymers. Real polymers are known to obey a number of scaling laws, and a simulation method should reproduce these if it is to be relied on. The present work is a study of the properties of polymers, as simulated by DPD. Two cases are of interest: polymers in dilute solution, and polymers in the melt. The polymer in a good solvent shows satisfactory agreement with scaling and Kirkwood theory, and the polymer melt is in excellent agreement with the predictions of Rouse theory.
PACS: 83.10.Nn – Polymer dynamics / 02.70.Ns – Molecular dynamics and particle methods / 61.25.Hq – Macromolecular and polymer solutions; polymer melts; swelling
© EDP Sciences, 2000
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