Influence of oil polarity and material combination on the tribological response of greases formulated with biodegradable oils and bentonite and highly dispersed silica acid

Lubrication Science

Volumn 25, Issue 6, 2013, Pages 397-412

  Fiedler, M ^a   Sanchez, R ^b   Kuhn, E ^a   Franco, J M ^b  

^a HAMBURG UNIVERSITY OF APPLIED SCIENCES   (Germany)

^b UNIVERSITY OF HUELVA   (Spain)

Author keywords

AFM; base oil polarity; biodegradable greases; micro scale abrasion; sliding wear

Indexed keywords

AFM; BASE OIL; BIODEGRADABLE GREASE; MICROSCALE ABRASION; SLIDING WEAR;

BENTONITE; SAPPHIRE; SILICA; TRIBOLOGY; WEAR OF MATERIALS;

LUBRICATING GREASES;

EID: 84883486995     PISSN: 09540075     EISSN: 15576833     Source Type: Journal    
DOI: 10.1002/ls.1207     Document Type: Article

References (36)

1. Willing A,. Lubricants based on renewable resources-an environmentally compatible alternative to mineral oil products. Chemosphere 2001; 43 (1): 89-98. DOI: 10.1016/S0045-6535(00)00328-3
2. Wagner H,. Lubricant base fluids based on renewable raw materials: their catalytic manufacture and modification. Applied Catalysis A: General 2001; 221 (1-2): 429-442. DOI: 10.1016/S0926-860X(01)00891-2
3. Dresel W,. Biologically degradable lubricating greases based on industrial crops. Industrial Crops and Products 1994; 2 (4): 281-288. DOI: 10.1016/0926-6690(94)90119-8
4. RAL gGmbH. Basic criteria for award of the environmental label-readily biodegradable lubricants and forming oils, RAL-UZ 64 2011.
5. Sanchez R,. Thermal and mechanical characterization of cellulosic derivatives-based oleogels potentially applicable as bio-lubricating greases: influence of ethyl cellulose molecular weight. Carbohydrate Polymers 2011; 83 (1): 151-58. DOI: 10.1016/j.carbpol.2010.07.033
6. Sanchez R,. Use of chitin, chitosan and acylated derivatives as thickener agents of vegetable oils for bio-lubricant applications. Carbohydrate Polymers 2011; 85 (3): 705-714. DOI: 10.1016/j.carbpol.2011.03.049
7. Sanchez R,. Rheological and mechanical properties of oleogels based on castor oil and cellulosic derivatives potentially applicable as bio-lubricating greases: influence of cellulosic derivatives concentration ratio. Journal of Industrial and Engineering Chemistry 2011; 17 (4): 705-711. DOI: 10.1016/j.jiec.2011.05.019
8. Sanchez R., Tribological characterization of green lubricating greases formulated with castor oil and different biogenic thickener agents: a comparative experimental study. Industrial Lubrication and Tribology 2011; 63 (6): 446-452. DOI: 10.1108/00368791111169034
9. Bartz W,. Ecotribology: environmentally acceptable tribological practices. Tribology International 2006; 39 (8): 728-733. DOI: 10.1016/j.triboint.2005.07.002
10. Battersby N,. The biodegradability and microbial toxicity testing of lubricants-some recommendations. Chemosphere 2000; 41 (7): 1011-1027. DOI: 10.1016/S0045-6535(99)00517-2
11. Goerz T,. Gel-und bentonitfette zusammensetzung-eigenschaften. Tribologie und Schmierungstechnik 2009; 56 (2): 30-34.
12. Pogosyan A,. Tribological properties of bentonite thickener-containing greases. Journal of Friction and Wear 2008; 29 (3): 205-209. DOI: 10.3103/S1068366608030094
13. Chtourou M,. Modified smectitic Tunisian clays used in the formulation of high performance lubricating greases. Applied Clay Science 2006; 32 (3-4): 210-216. DOI: 10.1016/j.clay.2006.03.003
14. Kohashi H,. Application of fatty acid esters for lubricating oil, in World Conference on Oleochemicals into the 21st Century, Applewhite T, (Ed.) American Oil Chemists' Society, Champaign, Illinois, 1991: 243-247.
15. Fiedler M,. Tribological properties of greases based on biogenic base oils and traditional thickeners in sapphire-steel contact. Tribology Letters 2011; 44 (3): 293-304. DOI: 10.1007/s11249-011-9848-9
16. Fleischer G,. Verschleiß und Zuverlässigkeit. VEB Verlag Technik, Berlin, 1980.
17. Czichos H,. Tribologie-Handbuch. Vieweg und Teubner, Wiesbaden, 2010.
18. Sanchez M,. Atomic force microscopy and thermo-rheological characterisation of lubricating greases. Tribology Letters 2011; 41 (2): 463-470. DOI: 10.1007/s11249-010-9734-x
19. 2 nanoparticles as oil additives on tribology of lubricant. Industrial Lubrication and Tribology 2010; 62 (2): 111-120. DOI: 10.1108/00368791011025656
20. Maßmann T,. Wirkmechanismen Additivierter Schmierstoffe in der Kaltumformung. Shaker, Aachen, 2007.
21. Lugscheider E,. Wettability of PVD compound materials by lubricants. Surface and Coatings Technology 2003; 165 (1): 51-57. DOI: 10.1016/S0257- 8972(02)00724-7
22. Korff J,. Additive für Schmierstoffe. Expert Verlag, Renningen-Malmsheim, 1994: 280-301.
23. Meyer K,. Additive für Schmierstoffe. Expert Verlag, Renningen-Malmsheim, 1994: 392-418.
24. Wu S,. Calculation of interfacial tension in polymer systems. Journal of Polymer Science Part C: Polymer Symposia 1971; 34 (1): 19-30. DOI: 10.1002/polc.5070340105
25. Owens D, Wendt R,. Estimation of the surface free energy of polymers. Journal of Applied Polymer Science 1969; 13 (8): 1741-1747. DOI: 10.1002/app.1969.070130815
26. Fowkes F,. Additivity of intermolecular forces at interfaces. I. Determination of the contribution to surface and interfacial tensions of dispersion forces in various liquids. The Journal of Physical Chemistry 1963; 67 (12): 2538-2541. DOI: 10.1021/j100806a008
27. Fowkes F,. Attractive forces at interfaces. Industrial and Engineering Chemistry 1964; 56 (12): 40-52. DOI: 10.1021/ie50660a008
28. Fowkes F,. Donor-acceptor interactions at interfaces. The Journal of Adhesion 1972; 4 (2): 155-159. DOI: 10.1080/00218467208072219
29. Isengard H,. Determination of total polar material in frying oil using accelerated solvent extraction. Lipid Technology 2010; 22 (6): 134-136. DOI: 10.1002/lite.201000019
30. Dobarganes M,. Determination of polar compounds, polymerized and oxidized triacylglycerols, and diacylglycerols in oils and fats. Pure and Applied Chemistry 2000; 72 (8): 1563-1575.
31. Knorn B,. Bestimmung der polarität gesättigter monoglyceride durch gaschromatographie. Food/Nahrung 1977; 21 (9): 817-823. DOI: 10.1002/food.19770210911
32. Rouser G,. Determination of polar lipids: quantitative column and thin-layer chromatography. Journal of the American Oil Chemists' Society 1965; 42 (3): 215-227. DOI: 10.1007/BF02541135
33. Márquez-Ruiz G,. Rapid, quantitative determination of polar compounds in fats and oils by solid-phase extraction and size-exclusion chromatography using monostearin as internal standard. Journal of Chromatography. A 1996; 749 (1-2): 55-60. DOI: 10.1016/0021-9673(96)00429-3
34. Ringard-Lefebvre C,. Effect of spread amphiphilic [beta]-cyclodextrins on interfacial properties of the oil/water system. Colloids and Surfaces. B, Biointerfaces 2002; 25 (2): 109-117. DOI: 10.1016/S0927-7765(01)00297-1
35. El-Mahrab-Robert M,. Assessment of oil polarity: comparison of evaluation methods. International Journal of Pharmaceutics 2008; 348 (1-2): 89-94. DOI: 10.1016/j.ijpharm.2007.07.027.
36. Becker G,. Kunststoff-Handbuch: Duroplaste. Hanser, München, 1988.