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公开(公告)号:US06187723B1
公开(公告)日:2001-02-13
申请号:US08990052
申请日:1997-12-12
IPC分类号: C10M13710
CPC分类号: C10M163/00 , C10M141/10 , C10M2207/09 , C10M2207/125 , C10M2207/126 , C10M2207/129 , C10M2207/16 , C10M2219/062 , C10M2219/066 , C10M2219/068 , C10M2223/045 , C10M2223/047 , C10M2227/09 , C10N2210/02 , C10N2210/06 , C10N2270/02
摘要: A lubricant composition is described, particularly for engine oils, comprising a base oil of viscosity from 3 to 26 cSt (mm2/s) at 100° C. and an antiwear additive combination comprising (a) an oil soluble or oil dispersible phosphorus-free organo-molybdenum compound, (b) an ashless, sulfur-containing organo-phosphorus compound, and optionally (c) a zinc thiophosphate compound selected from one or more of zinc dialkyldithiophosphate, zinc diaiyldithiophosphate, zinc alkylaiyldithiophosphate and zinc arylalkyldithiophosphate. The molybdenum compound may be a carbamate, e.g., MoDTC but is preferably nitrogen-free, e.g., a carboxylate.
摘要翻译: 描述了润滑剂组合物,特别是对于发动机油,其包含在100℃下粘度为3至26cSt(mm 2 / s)的基础油和抗磨添加剂组合,其包含(a)油溶性或油分散性无磷 有机钼化合物,(b)无灰,含硫有机磷化合物和任选的(c)选自二烷基二硫代磷酸锌,二亚乙基二硫代磷酸锌,烷基二硫代磷酸锌和芳基烷基二硫代磷酸锌中的一种或多种的硫代磷酸锌化合物。 钼化合物可以是氨基甲酸酯,例如MoDTC,但优选是无氮的,例如羧酸酯。
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公开(公告)号:US6090758A
公开(公告)日:2000-07-18
申请号:US779761
申请日:1997-01-07
IPC分类号: B01D19/04 , C10M101/02 , C10M109/00 , C10M155/02 , C10M171/00 , C10N20/00 , C10N30/18 , C10N40/25 , C10M139/00 , C10G25/00
CPC分类号: B01D19/0409 , C10M171/004 , C10M2205/14 , C10M2205/16 , C10M2205/17 , C10M2229/041 , C10N2220/02 , C10N2240/02 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2240/046 , C10N2240/08 , C10N2240/10 , C10N2240/101 , C10N2240/104 , C10N2240/106 , C10N2240/14 , C10N2240/401 , C10N2240/402 , C10N2240/403 , C10N2240/404 , C10N2240/405 , C10N2240/406 , C10N2240/407 , C10N2240/408 , C10N2240/409
摘要: Foaming of a lube oil comprising a base stock derived from wax isomeration and an additive package is effectively reduced to within specification limits of 50 ml/ml over a temperature range of from at least 24.degree. C. to 93.5.degree. C. by adding to the oil an effective amount of an antifoamant exhibiting a spreading coefficient of at least about 2 mN/m. This has been found to be particularly effective in reducing foaming of lube oils containing a mixture of a wax isomerate oil and a petroleum oil fraction. Antifoamants typically used with conventional lube oils containing one or more petroleum fraction base stocks, but which do not exhibit a spreading coefficient of at least 2 mN/m with the wax isomerate containing oil, have been found not to be effective in reducing the foaming of the oil.
摘要翻译: 包含由蜡异构体衍生的基础油料和添加剂包装的润滑油的发泡在至少24℃至93.5℃的温度范围内有效地降低到50ml / ml的规格限度内,通过加入到 将有效量的展示系数为至少约2mN / m的消泡剂加入油中。 已经发现,在减少含有蜡异构体油和石油馏分的混合物的润滑油的起泡方面已被发现是特别有效的。 已经发现通常与含有一种或多种石油馏分基础油的常规润滑油一起使用的消泡剂,但是与含蜡异构体的油不显示至少2mN / m的铺展系数的消泡剂不能有效地减少 油。
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