| 摘要 |
New phosphosulphur compounds corresponding to the following general formula (I): (((R<1>-Sx-Oy-A-)rBv)pP(X)-Yt-)qZm in which, for example, R<1> represents an alkyl or alkenyl group, A represents the -(CH2)n-O- group, B represents the -P(S)-S-CH2-CH(CH3)-O- group, X and Y represent an oxygen, sulphur or chlorine atom, Z represents a hydrogen or sulphur atom, a metal or an alkyl or alkenyl group, x = 1, 2 or 3, y = 0, 1 or 2, v = 0 or 1, r = 1 (if v = 0) or r = 2 (if v = 1), p = 2 or 3, t = 0, 1 or 2, m = 0, 1 or 2, q = valency of Z if Z is a metal or q = 1 or 2. Use of the said compounds as additives for lubricating oil.
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