Influence of Critical Micelle Concentration (CMC) on Tribological Properties of Aqueous Solutions of Alkyl Polyglucosides

Here, the results of studies on the use of water-alkyl polyglucosides (APGs) compositions as lubricants carried out with steel ball-polyamide disc apparatus are presented. The range of values of CMC in aqueous solutions of two different mixtures of APG was determined on the basis of physicochemical...

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Bibliographic Details
Published in:Tribology transactions 2009-01, Vol.52 (1), p.12-20
Main Authors: Sulek, Marian Wlodzimierz, Wasilewski, Tomasz
Format: Article
Language:English
Subjects:
Alkyl Polyglucosides
Applied sciences
Aqueous solutions
Contact of materials. Friction. Wear
Critical Micelle Concentration (CMC)
Exact sciences and technology
Friction Coefficient
Friction, wear, lubrication
Lubricants & lubrication
Machine components
Mechanical engineering. Machine design
Mechanical properties
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Physical properties
Polymer industry, paints, wood
Properties and testing
Surfactants
Technology of polymers
Tribology
Water-Based Lubricants
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Summary:Here, the results of studies on the use of water-alkyl polyglucosides (APGs) compositions as lubricants carried out with steel ball-polyamide disc apparatus are presented. The range of values of CMC in aqueous solutions of two different mixtures of APG was determined on the basis of physicochemical properties. The results obtained showed that aqueous solutions of APGs were effective lubricants lowering the friction coefficient and wear. Increase in activity of APGs was observed above CMC in bulk phase. This was in compliance with our earlier results that, above CMC, the formation of the adsorption layer on the interface led to significant lowering of the friction coefficient and increase in the ability of friction nodes to transfer a load.
ISSN:1040-2004
1547-397X
DOI:10.1080/10402000801911879