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Theory of Lubrication due to Poly-Electrolyte Polymer Brushes

Published online by Cambridge University Press:  01 February 2011

Jeffrey B. Sokoloff
Jeffrey B. Sokoloff*
Affiliation:
j.sokoloff@neu.edu, Northeastern University, Physics, Dana Research Center, 110 Forsyth Street, Boston, MA, 02115, United States, 617-373-2931, 617-373-2943
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Abstract

It is shown using a method based on the mean field theory of Miklavic Marcelja that it should be possible for osmotic pressure due to the counterions associated with the two polyelectrolyte polymer brush coated surfaces to support a reasonable load (i.e., about 105 Pa) with the brushes held sufficiently far apart to prevent entanglement of polymers belonging to the two brushes, thus avoiding what is likely to be the dominant mechanisms for static and dry friction.

Keywords

filmpolymertribology
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1049: Symposium AA – Fundamentals of Nanoindentation and Nanotribology IV , 2007 , 1049-AA04-09
Copyright
Copyright © Materials Research Society 2008

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