초록

A lubricant composition that exhibits high wear resistance in a Flon atmosphere is disclosed. The composition comprises mineral oil, alkylbenzene, or a mixture of mineral oil and alkylbenzene as a base oil and it has added thereto an organic sulfur compound in an amount greater than a certain value.

대표청구항 ▼

A method for lubrication of machines used in a sealed Flon atmosphere substantially devoid of oxygen, which process comprises using a lubricant composition comprising mineral oil as a base oil, said composition containing at least one organic sulfur compound selected from the group consisting of the

A method for lubrication of machines used in a sealed Flon atmosphere substantially devoid of oxygen, which process comprises using a lubricant composition comprising mineral oil as a base oil, said composition containing at least one organic sulfur compound selected from the group consisting of the compounds of the following three formulae (I), (II) and (III): [Figure] (I) [Figure] [Figure] [Figure] [Figure] [Figure] [Figure] (wherein R1 and R2 which may be the same or different are each an alkyl group having 1 to 8 carbon atoms or hydrogen); R1－S－R2 (II) (wherein R1 and R2 which may be the same or different are each an alkyl group having 4 to 12 carbon atoms, phenyl group, phenol group, benzyl group, naphthalene group or a derivative thereof having an alkyl substituent); and [Figure] (III) (wherein R is an alkyl group having 4 to 8 carbon atoms or a phenyl group; and n is an integer of 2 to 8), said composition having a total sulfur content of from 0.14 to 0.6 wt%.