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Electrochemical studies of the automotive lubricant additive zinc n-dibutyldithiophosphate

Abstract:

Zinc dialkyldithiophosphates (ZDTPs) are widely incorporated in lubricant formulations as antioxidant and antiwear additives. Using the model compound zinc n-dibutyldithiophosphate (Bu-ZDTP) in dimethylformamide (DMF) solution, cyclic voltammetry is applied to a detailed study of Bu-ZDTP electro-oxidation. Bu-ZDTP is shown to be oxidized in a chemically irreversible electron transfer process under diffusion-limited conditions. A similar study of Bu-ZDTP reduction revealed nucleation of zinc a...

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Publication status:
Published

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Publisher copy:
10.1149/1.1391978

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Publisher:
Electrochemical Soc Inc
Journal:
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume:
146
Issue:
7
Pages:
2598-2605
Publication date:
1999-07-05
DOI:
ISSN:
0013-4651
URN:
uuid:5c1e2283-1915-4cf6-938d-79dad6b8200d
Source identifiers:
37036
Local pid:
pubs:37036
Language:
English

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