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Jean AYEL: Engineer from the École nationale supérieure des arts et industries de Strasbourg - and the École nationale supérieure du pétrole et des moteurs - Doctor-Engineer - Former Manager, Petroleum Products and Engines Cycle - at the École nationale supérieure du pétrole et des moteurs
INTRODUCTION
Lubricant additives are chemical compounds of an organic or organometallic nature, incorporated into lubricating oils or greases at levels ranging from less than 1% to more than 25%, depending on the case, either to give the base oils or greases properties they do not naturally possess, or to improve their natural properties.
These additives, classified according to their very general mode of action, are divided primarily into those that act chemically in the lubricant mass and those that act chemically on the surfaces.
These two product categories were examined in the first part [BM 5 343].
The other additives studied in this second part are those whose action is physical, either in the lubricant mass, or at the liquid-solid, liquid-liquid or liquid-gas interfaces, and finally, those whose action is physiological. This second part is completed by some economic and commercial data in the appendix "For further information" [Doc.BM 5 344].
Readers may also wish to consult the articles on lubricants published in this treatise:
[BM 5 341]
The Ultimate Scientific and Technical Reference
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Lubricants
Additives acting physically in the lubricant mass
Economic data
Lubricant additives are commercially available either as elementary additives or base components or, increasingly, as pre-formulated additives known as "additive packages", "performance additives" or "packages".
The former are mainly used in the preparation of industrial oils, metalworking lubricants and greases, or as complementary additives...
Bibliography
General works
Professional organizations
ATC (Additives Technical Committee): brings together European manufacturers of lubricant additives and cooperates with the ACEA (Association des Constructeurs Européens d'Automobiles) Fuels and Lubricants Technical Committee, ATIEL, CEC (Comité Européen de Coordination pour le Développement des Tests de Performance des Lubricants et Fuels Automobiles) and CONCAWE (Conservation of Clean Air and Water, Europe)....
Additive suppliers
To summarize what has been developed in the "Economic data" section of this documentation, we can mention :
Generalists
Chevron Chemical S.A. Oronite Division.
Ethyl France.
Infineum France.
Lubrizol France Lubrifiants.
Specialists
Akzo Nobel Chemicals
...
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