Multifunctional dispersants
    3.
    发明申请
    Multifunctional dispersants 审中-公开
    多功能分散剂

    公开(公告)号:US20050041395A1

    公开(公告)日:2005-02-24

    申请号:US10645373

    申请日:2003-08-21

    Abstract: A multifunctional dispersant useful in lubricating compositions is prepared by heating together (a) a dispersant and (b) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole which is substantially insoluble in a hydrocarbon oil of lubricating viscosity at 25° C., and further either (c) a borating agent or (d) an inorganic phosphorus compound, or both (c) and (d). The heating is sufficient to provide a reaction product of (a), (b), and (c) or (d) which is soluble in hydrocarbon oil at 25° C.

    Abstract translation: 通过一起加热(a)分散剂和(b)2,5-二巯基-1,3,4-噻二唑或烃基取代的2,5-二巯基-1,3,4 (c)硼化剂或(d)无机磷化合物,或(c)和(d)两者均基本上不溶于润滑粘度的烃油中。 加热足以提供在25℃下可溶于烃油的(a),(b)和(c)或(d)的反应产物。

    Lubricants Containing Olefin Copolymer and Acrylate Copolymer
    5.
    发明申请
    Lubricants Containing Olefin Copolymer and Acrylate Copolymer 审中-公开
    含烯烃共聚物和丙烯酸酯共聚物的润滑剂

    公开(公告)号:US20080015131A1

    公开(公告)日:2008-01-17

    申请号:US11858922

    申请日:2007-09-21

    Abstract: A lubricating oil composition comprising an oil of lubricating viscosity and a total of from about 1 to about 50% by weight of copolymers comprising (A) at least one ethylene-aliphatic olefin copolymer wherein the aliphatic olefins contain from 3 to about 24 carbon atoms, said copolymer (A) having Mn ranging from about 600 to about 5000, and (B) at least one copolymer comprising units derived from alkyl acrylate ester monomers containing from 2 to about 25 carbon atoms in the ester group, and optionally, from about 0.1% to about 20% by weight of at least one member of the group consisting of vinyl aromatic monomers and nitrogen-containing vinyl monomers. said copolymer (B) having Mn ranging from about 10,000 to about 350,000, wherein the weight ratio of (A):(B) ranges from about 99:1 to about 1:99.

    Abstract translation: 一种润滑油组合物,其包含润滑粘度的油和总共约1至约50重量%的共聚物,所述共聚物包含(A)至少一种乙烯 - 脂族烯烃共聚物,其中所述脂族烯烃含有3至约24个碳原子, 所述共聚物(A)具有约600至约5000范围内的O OYYY =“S”> N“,和(B)至少一种包含衍生自丙烯酸烷基酯单体的单元的共聚物,所述单体含有2 至约25个碳原子,以及任选地,约0.1重量%至约20重量%的由乙烯基芳族单体和含氮乙烯基单体组成的组中的至少一个。 所述共聚物(B)具有约10,000至约350,000的范围为约10,000至约350,000的其中(A):(B)的重量比为约99:1至 约1:99。

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