Lubricating oil composition with supplemental rust inhibitor
    64.
    发明授权
    Lubricating oil composition with supplemental rust inhibitor 失效
    润滑油组成与补充防锈剂

    公开(公告)号:US4493776A

    公开(公告)日:1985-01-15

    申请号:US429959

    申请日:1982-09-30

    Inventor: Robert B. Rhodes

    Abstract: A lubricating oil composition for internal combustion engines having superior rust and corrosion inhibition is disclosed. The composition comprises a major amount of a hydrocarbon oil of lubricating viscosity and a minor amount of conventional additives, including an overbased detergent (such as calcium carbonate or calcium hydroxide) for rust protection and an ashless dispersant (such as the reaction product of substituted succinic acid or anhydrides with amines). The composition also includes a supplemental rust inhibitor (SRI) additive which is a combination of an effective amount of a supplemental rust inhibitor (SRI) additive comprising a combination of (A) R.sub.1 O[C.sub.2 H.sub.4 O].sub.x H and/or R.sub.2 O[C.sub.3 H.sub.6 O].sub.y H with (B) R.sub.3 O[C.sub.2 H.sub.4 O].sub.x [C.sub.3 H.sub.6 O].sub.y H and/or R.sub.4 O[C.sub.3 H.sub.6 O].sub.y [C.sub.2 H.sub.4 O].sub.x H, wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrocarbyl radicals selected from alkyl, aryl, alkaryl, and arylalkyl groups or combinations thereof having from about 10 to about 24 carbon atoms; and wherein x and y may vary independently in the range from 3 to about 15.

    Abstract translation: 公开了一种具有优异的防锈和腐蚀抑制性的内燃机润滑油组合物。 该组合物包含主要量的具有润滑粘度的烃油和少量常规添加剂,包括用于防锈的高碱性洗涤剂(例如碳酸钙或氢氧化钙)和无灰分散剂(例如取代的琥珀酸的反应产物 酸或酸酐与胺)。 该组合物还包括补充防锈剂(SRI)添加剂,其是有效量的补充防锈剂(SRI)添加剂的组合,其包含(A)R 1 O [C 2 H 4 O] x H和/或R 2 O [C 3 H 6 O] y H的组合与 (B)R3O [C2H4O] x [C3H6O] yH和/或R4O [C3H6O] y [C2H4O] xH,其中R1,R2,R3和R4是选自烷基,芳基,烷芳基和芳烷基的烃基或其组合 具有约10至约24个碳原子; 并且其中x和y可以独立地在3至约15的范围内变化。

    Method for retarding the evaporation of water
    68.
    发明授权
    Method for retarding the evaporation of water 失效
    减缓水分蒸发的方法

    公开(公告)号:US4099915A

    公开(公告)日:1978-07-11

    申请号:US815395

    申请日:1977-07-13

    CPC classification number: B01J19/16 Y10S516/04

    Abstract: Compositions and methods for suppressing and/or retarding the evaporation of water from dry cooling towers. The compositions contain: from 99.5 to 99.9 wt. percent of a light lubricating oil; 0.1 to 0.5 weight percent of an alkaline earth metal sulfonate and 30 to 150 parts per million of a polyacrylate-based defoaming agent.

    Abstract translation: 用于抑制和/或延缓来自干式冷却塔的水蒸发的组合物和方法。 组合物含有:99.5至99.9重量% 百分之轻的润滑油; 0.1〜0.5重量%的碱土金属磺酸盐和30〜150重量份的基于聚丙烯酸酯的消泡剂。

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