Organomodified aluminosilicates as friction geomodifiers

Organomodified aluminosilicates as friction geomodifiers Effect of the composition of chitosan-modified natural silicates on tribotechnical characteristics of additives and formation of a surface layer in friction of surfaces was studied. The following composites were found to be the most promising: 90% serpentine + 10% chitosan-modified vermiculite; chitosan-modified serpentine; and 90% serpentine + 10% vermiculite. These composites provided the minimum friction coefficients due to introduction of polymeric chitosan into the interlayer space of an aluminosilicate. It was shown that introduction of 10% chitosan-modified layered silicate leads to formation of an organosilicate coating on the surface of chromiumplated steel. The composition and structure of the coating were determined by X-ray photoelectron spectroscopy and atomic-force microscopy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Organomodified aluminosilicates as friction geomodifiers

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427212100035
Publisher site
See Article on Publisher Site

Abstract

Effect of the composition of chitosan-modified natural silicates on tribotechnical characteristics of additives and formation of a surface layer in friction of surfaces was studied. The following composites were found to be the most promising: 90% serpentine + 10% chitosan-modified vermiculite; chitosan-modified serpentine; and 90% serpentine + 10% vermiculite. These composites provided the minimum friction coefficients due to introduction of polymeric chitosan into the interlayer space of an aluminosilicate. It was shown that introduction of 10% chitosan-modified layered silicate leads to formation of an organosilicate coating on the surface of chromiumplated steel. The composition and structure of the coating were determined by X-ray photoelectron spectroscopy and atomic-force microscopy.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Nov 16, 2012

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