Abstract

The copper(II) complex with alkylphosphonic acid monoalkyl ester (CuAMP) was synthesized, and its structure shown to be laminar on the basis of fast atom bombardment mass spectroscopy (FABMS). The extreme-pressure, antiwear and antiseizure performance of CuAMP was assessed using a four-ball machine. The results showed that CuAMP exhibits better extreme-pressure and antiwear properties than tricresyl phosphate. Based on the results of surface analysis, the antiwear action mechanism of CuAMP is discussed.

1.
Bridger
R. F.
,
1986
, “
Copper, O,O-Dihydrocarbylphosphorodithiolate
,”
USP
, Vol.
4
, pp.
582, 920
582, 920
.
2.
Dong
J-X.
,
Chen
G-X.
,
Lou
X-M.
,
Chen
L-G.
, and
Shi
Z-E.
,
1994
, “
A New Concept-Formation of Permeating Layer of Nonactive Antiwear Additives
,”
Lubr. Eng.
, Vol.
50
, No.
2
, pp.
17
22
.
3.
Gauthier
A.
,
Montes
H.
, and
Georges
J. M.
,
1982
, “
Boundary Lubrication with Tricresylphosphate Importance of Corrosive Wear
,”
ASLE Trans.
, Vol.
25
, No.
4
, pp.
445
455
.
4.
Kajdas
Cz.
,
1985
, “
About a Negative-Ion Concept of the Antiwear and Antiseisure Action of Hydrocarbons During Friction
,”
Wear
, Vol.
101
, pp.
1
12
.
5.
Ryabov, D. V., Medredev, P. R., Fuks, I. G., and Grishin, N. N., 1989, “Anti-wear and Antiscuff Properties of Lubricants With Copper-Containing Additives,” Neftepererab. Neftekhim, No. 1, pp. 11–14.
6.
Thorsell
P. W.
, and
Mulrihill
M. A.
,
1987
, “
Extreme-Pressure Additives for Lubricants
,”
USP
,
4
,
648, 985
648, 985
.
7.
Wang
F.
,
Liu
G.
,
Huang
K.
, and
Long
X.
,
1991
, “
ESR Spectra and Electronic Structure of Copper(II) Complex with 2-Ethylhexyl Phosphonic Acid Mono (2- Ethylhexyl)ester
,”
J. Applied Chemistry
(in Chinese), Vol.
8
, No.
3
, pp.
49
51
.
8.
Xiong, R-G., You, X-Z., and Huang, X-Y., 1995, “Tris (Dicyclohexyldithiophosphate) Chromium(III),” Acta Crysttallogr., Sect. C, Cryst. Struct. Commun. C51 (in press).
9.
Xiong, R-G., and Dong, J-X., 1993, “The Synthesis and Antiwear Action of Tungsten Dithiolate,” Proceedings of the International Symposium on Tribology, Beijing, China, 19–22, Oct. 1993, pp. 1017–1022 (reprint in Lubr. Sci., 1995, in press).
10.
Yao
J-B.
,
Dong
J-X.
, and
Xiong
R-G.
,
1994
, “
Antiwear Synergism of Borates and Copper Oleate
,”
Lubr. Eng.
, Vol.
50
, No.
9
, pp.
695
698
.
11.
Xiong, R-G., Zuo, J-L., Chen Y., Dong, J-X., You, X-Z., and Zhu, Y-R., 1995, “An Approach to Improve the Load-Carrying Capacity of ZDTP,” Tribology Inter., Vol. 28, No. 5.
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