Concept of optimal aromaticity in base oil oxidative stability revisited

ACS Division of Petroleum Chemistry, Inc. Preprints

Volumn 42, Issue 1, 1997, Pages 211-217

  Igarashi, Jinichi ^a   Yoshida, Toshio ^a   Watanabe, Harumichi ^a  

^a JAPAN ENERGY CORPORATION   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000876295     PISSN: 05693799     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (19)

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2. Von Fuchs, G. H., Diamond, H., Ind. Eng. Chem., 34, 927 (1942), see also ref. 1 for a complete listing of references on "optimal aromaticity".
3. Burn, A. J. and Greig, G., J. Inst. Petrol., 58, 346 (1972).
4. Scott, G., in "Developments in Polymer Stabilization-6", Scott, G., Ed., App. Sci. Pub., London, 29 (1983).
5. Korcek, S., Chenier, J. H. B., Howard, J. A., and Ingold, K. U., Canad. J. Chem., 50, 2285 (1972).
6. Igarashi, J., Kagaya, M., Satoh, T. and Nagashima, T., SAE Paper, No. 920659 (1992).
7. Igarashi, J. and Yoshida, T., Lubrication Science, 7(1), 3 (1994).
8. Igarashi, J. and Yoshida, T., Lubrication Science, 7(2), 107 (1995).
9. Yoshida, T. and Watanabe, H., Bull. Japan Pet. Inst., 23(5), 303 (1980).
10. Larsen, R. G., Thorpe, R. E. and Armfield, F. A., Ind. Eng. Chem., 34, 183 (1942).
11. Yoshida, T. and Watanabe, H., U.S. Patent 4,714,794 (1987).
12. Igarashi, J., Lusztyk, J. and Ingold, K. U., J. Am. Chem. Soc., 114, 7719 (1992).
13. Igarashi, J., Jensen., R. K., Lusztyk, J. Korcek, S. and Ingold, K. U., J. Am. Chem. Soc., 114, 7727 (1992).
14. Murray, D. W., MacDonald, J. M., White, A. M., Wright, P. G., Proc. World Pet. Congr., 4,447 (1984).
15. Husbands. M. J. and Scott, G., Europ. Polym. J., 15, 249 (1979).
16. We did not include zinc dialkyldithiophosphates in the sulfur compounds examined since ZDTP is known to act also as a chain stopping anti-oxidant and makes the inhibition system extremely complicated (17).
17. Howard, J.A., in "Frontiers of Free Radical Chemistry", Pryor W. A., Ed., Academic Press, New York, 237 (1980).
18. Simulation has predicted that the T0.04 value (1360 hr) of the inhibited hexadecane containing 100 ppm DBDS becomes shorter than that of the corresponding sulfur free oil (1980 hr), due to the pro-oxidant effect of sulfur compounds.
19. 4 which are derived from the oxidation of ZDTP by hydroperoxides.