Monte Carlo simulations of chain dynamics in polymer brushes

Kurt Binder, Pik Yin Lai, Joachim Wittmer

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

The bond-fluctuation model of polymer chains has been used to study layers of end-grafted polymers anchoring at repulsive walls for a broad range of chain length, grafting densities and solvent quality. The dynamics of monomers and associated relaxation times are investigated and interpreted by phenomenological theories and scaling arguments. The case is also considered where a chain is cut off from its anchor point and the chain is subsequently expelled from the brush. Both the velocity with which the chain leaves the brush and the associated conformational changes (chain contraction etc.) are analysed and interpreted in terms of recent theoretical concepts.

Original languageEnglish
Pages (from-to)97-109
Number of pages13
JournalFaraday Discussions
Volume98
DOIs
StatePublished - 1994

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