THE EFFECT OF THE FORMATION OF POLYMER /SURFACTANT COMPLEXES ON SELECTED TRIBOLOGICAL PROPERTIES OF THEIR AQUEOUS SOLUTIONS

Journal Title: Tribologia - Year 2018, Vol 281, Issue 5

Abstract

Aqueous solutions of sodium alkyl sulphate (surfactant) and polyvinylpyrrolidone (polymer) whose physicochemical properties, including complexing ability, have been widely described in the literature were proposed as a model lubricant. It has been assumed that aqueous solutions of these compounds will favourably modify lubricating properties of water under high load conditions. For this purpose, measurements were made on a four-ball apparatus (T-02 Tester) for aqueous solutions of these compounds. Two kinds of tests were carried out: at constant loads (2, 3, and 4 kN) and variable loads within the range of 0 to 7.2 kN. Unexpectedly, high decreases in motion resistance and wear as well as an increase in antiseizure properties were found in relation to water as a base. The results obtained are so promising that solutions with an optimized composition can find practical applications. The surprisingly high effectiveness of the additives used results from the formation of surfactant/polymer complexes. These adducts adsorb at the interface, and, under friction conditions, they form a lubricant film capable of carrying high loads.<br/><br/>

Authors and Affiliations

Marian W. SUŁEK, Radosław JEDYNAK

Keywords

Related Articles

Tribologiczne aspekty bioniki

Bionika jest nauką wskazującą zasady działania systemów technicznych, których charakterystyka jest zbliżona do charakterystyki żywych organizmów. Niniejsza praca przedstawia tribologiczne aspekty bioniki. Uzasadnienie ni...

Research on the tribological parameters for materials couples used for valves, valve guides and seat inserts

Research on the tribological properties of TiAl alloys used for valves mating with valve guides and seat inserts, made of cast iron, has been done. The aim of the research has been to obtain values of the coefficient of...

TRIBOLOGICAL PROPERTIES OF CEMENTED CARBIDES IN ABRASIVE SOIL MASS

The paper presents the results of wear intensity tests of B26 and G10 cemented carbides conducted under different soil conditions by the spinning bowl method. Wear intensity results were compared with the data for Hardox...

Ocena zużycia powierzchni powłok epoksydowych starzonych wodnym roztworem wodorotlenku potasu

Niniejszy artykuł dotyczy oceny wpływu starzenia wodnym 20% roztworem wodorotlenku potasu na zużycie powierzchni powłok epoksydowych. Powłoki epoksydowe w wyniku starzenia ulegają destrukcji chemicznej w postaci utlenian...

Download PDF file
  • EP ID EP417528
  • DOI 10.5604/01.3001.0012.7662
  • Views 38
  • Downloads 0

How To Cite

Marian W. SUŁEK, Radosław JEDYNAK (2018). THE EFFECT OF THE FORMATION OF POLYMER /SURFACTANT COMPLEXES ON SELECTED TRIBOLOGICAL PROPERTIES OF THEIR AQUEOUS SOLUTIONS. Tribologia, 281(5), 117-122. https://europub.co.uk/articles/-A-417528