Lubricant Additives
44 Lubricant Additives: Chemistry and Applications Kelso, C.D. Phosphorus sulphide-hydrocarbon reaction product. U.S. Patent 2, ...
Antioxidants 45 Schadenberg, H. Dithiophosphate ester derivatives and their use for stabilizing organic material. British Paten ...
46 Lubricant Additives: Chemistry and Applications Roberts, J.T. N,N′-Disubstituted 2,4′-diaminodiphenyl ethers as antioxidants ...
Antioxidants 47 Fa r ng, L.O. and A.G. Horodysky. Copper salts of hindered phenolic ca rboxylates and lubr icants and fuel cont ...
48 Lubricant Additives: Chemistry and Applications Paolino, P.R. Antioxidants, in Thermoplastic Polymer Additives. J.T. Lutz Jr ...
Antioxidants 49 Jensen, R.K., S. Korcek, M. Zinbo, and J.L. Gerlock. Regeneration of amines in catalytic inhibition oxidation. ...
50 Lubricant Additives: Chemistry and Applications Ku, C.S. and S.M. Hsu. A thin-fi lm oxygen uptake test for the evaluation of ...
51 2 Zinc Dithiophosphates Randolf A. McDonald CONTENTS 2.1 Introduction ....................................................... ...
52 Lubricant Additives: Chemistry and Applications This synthetic route is still used today in the manufacturing of ZDDP. The P ...
Zinc Dithiophosphates 53 Under overbased condition, when the ratio of dialkyldithiophosphate acid to zinc oxide is less than 2:1 ...
54 Lubricant Additives: Chemistry and Applications and alkyl mercaptan. A white precipitate will also form, which has been deter ...
Zinc Dithiophosphates 55 from the intermediate zinc mercaptide (Zn[RS 2 ]), O,S,S-trialkyldithiophosphate will react with mer- c ...
56 Lubricant Additives: Chemistry and Applications Aryl ZDDPs, due to the stability of the aromatic ring, are not susceptible to ...
Zinc Dithiophosphates 57 a fi nal rapid neutral salt-induced decomposition of the hydroperoxide will occur in which the dialkyld ...
58 Lubricant Additives: Chemistry and Applications The zinc metal atom provides an easy route for heterolysis of the radical int ...
Zinc Dithiophosphates 59 Recent work has concluded that, although the rate of fi lm formation is directly proportional to temper ...
60 Lubricant Additives: Chemistry and Applications of the minimum phosphorus requirement, the treatment level for ZDDP in organi ...
Zinc Dithiophosphates 61 formulations. This has generally been limited to the European market, having been pioneered in Germany. ...
62 Lubricant Additives: Chemistry and Applications Bovington, C.H., Darcre, B. The adsorption and reaction of decomposition pro ...
63 3 Ashless Phosphorus– Containing Lubricating Oil Additives W. David Phillips CONTENTS 3.1 Introduction and Scope ............ ...
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