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Concentrated additive suitable for embodiment in a finished lube oil, process for their production and composition of oil lubricant finished
Concentrated additive suitable for embodiment in a finished lube oil, process for their production and composition of oil lubricant finished
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机译:适用于成品润滑油的浓缩添加剂,其生产方法和成品润滑油的组成
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摘要
An additive concentrate suitable for incorporation into a finished lubricating oil composition, the additive concentrate comprising: (a) a lubricating oil, (b) a lubricating oil soluble sulphurised or non-sulphurised alkaline earth metal hydrocarbyl phenate modified by incorporation of from greater than 2 to less than 40% by weight based on the weight of the composition either (i) at least one carboxylic acid having the formula:- CHEM wherein R is a C10 to C24 alkyl or alkenyl group and R1 is either hydrogen, a C1 to C4 alkyl group or a -CH2-COOH group, or an anhydride, acid chloride or ester thereof or (ii) a di- or polycarboxylic acid containing from 36 to 100 carbon atoms or an anhydride, acid chloride or ester thereof, the composition having a TBN greater than 300. t
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