Effects of NO X  on inhibition of oxidation by ZDTPS | Zendy

Johnson M. D. | Zendy; Korcek S. | Zendy; Rokosz M. J. | Zendy

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Effects of NO X on inhibition of oxidation by ZDTPS

Author(s) -

Johnson M. D.,

Korcek S.,

Rokosz M. J.

Publication year - 1994

Publication title -

lubrication science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.632

H-Index - 36

eISSN - 1557-6833

pISSN - 0954-0075

DOI - 10.1002/ls.3010060304

Subject(s) - nox , antioxidant , lubricant , chemistry , degradation (telecommunications) , combustion , phenol , hexadecane , chemical engineering , organic chemistry , inorganic chemistry , computer science , telecommunications , engineering

Investigations of the effects of nitrogen oxides (NO X ) on liquid phase oxidation and inhibition have been conducted in order to develop an improved understanding of the processes by which NO x accelerates oil degradation in internal combustion engines. Results from studies of the effects of NO x on oxidation of hexadecane (HD) alone, and in combination with a radical trapping (hindered phenol) antioxidant, and preliminary studies with zinc dialkyldithiophosphates (ZDTPs) were presented in previous reports. 1‐3 The complexity of reactions involving NO x and the role in lubricant degradation of NO x from blowby were described. Those results suggested that NO x accelerates the rate of consumption of antioxidant additives and, thus, shortens the useful life of the oil. This work describes results of additional investigations with ZDTPs.

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