Brushes of cycled macromolecules: Structure and lubricating properties

Ekaterina B. Zhulina, Frans A.M. Leermakers, Oleg V. Borisov*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

16 Citations (Scopus)

Abstract

We present a theory describing structural properties of brushes formed by cycled macromolecules tethered to planar surface. Diverse architectures of macromolecules that differ with respect to position and number of subchains in macrocycle are considered. We use the self-consistent field analytical approach based on strong stretching approximation and assumption of Gaussian elasticity of brush-forming molecules. Predictions of the analytical theory are systematically compared to the results of numerical SF-SCF modeling. Similarity of the effects of cyclization and branching on large-scale properties of polymer brush is demonstrated. It is also predicted that weaker interpenetration of sliding brushes formed by cyclic macromolecules might enhance their performance as lubricants.

Original languageEnglish
Pages (from-to)8758-8767
JournalMacromolecules
Volume49
Issue number22
DOIs
Publication statusPublished - 2016

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