Diesel fuel and dispersant compositions and methods for making and using
same
    73.
    发明授权
    Diesel fuel and dispersant compositions and methods for making and using same 失效
    柴油燃料和分散剂组合物及其制备和使用方法

    公开(公告)号:US5752989A

    公开(公告)日:1998-05-19

    申请号:US754458

    申请日:1996-11-21

    Abstract: A diesel fuel additive composition comprising a mixture of a dispersant and a carrier, preferably a liquid carrier fluid. The dispersant comprises at least one member of the group consisting of polyalkylene succinimides and polyalkylene amines, the polyalkylene succinimides being the reaction product of polyalkylene succinic anhydride and a polyamine, the polyalkylene amine being the reaction product of a polyalkylene moiety and amine selected from the group consisting of monoamine and polyamine. The carrier comprises at least one oxygenate selected from the group consisting of polyalkoxylated ether, polyalkoxylated phenol, polyalkoxylated ester and polyalkoxylated amine. The additive composition reduces injector deposits in internal combustion-compression ignition engines. Diesel fuels containing a major portion of a hydrocarbon-based compression ignition fuel and a minor portion of the diesel fuel additive composition, as well as methods of making and using these diesel fuels are also included in the present invention.

    Abstract translation: 一种柴油燃料添加剂组合物,其包含分散剂和载体的混合物,优选液体载体流体。 分散剂包括由聚亚烷基琥珀酰亚胺和聚亚烷基胺组成的组中的至少一个,聚亚烷基琥珀酰亚胺是聚亚烷基琥珀酸酐和多胺的反应产物,聚亚烷基胺是选自下组的聚亚烷基部分和胺的反应产物 由单胺和多胺组成。 载体包含至少一种选自聚烷氧基化醚,聚烷氧基化苯酚,聚烷氧基化酯和聚烷氧基化胺的含氧化合物。 添加剂组合物减少内燃式压缩点火发动机中的喷射器沉积物。 含有大部分烃基压燃点燃燃料和少量柴油燃料添加剂组合物的柴油燃料以及制造和使用这些柴油燃料的方法也包括在本发明中。

    Gasoline composition for reducing intake valve deposits in port fuel
injected engines
    80.
    发明授权
    Gasoline composition for reducing intake valve deposits in port fuel injected engines 失效
    用于减少港口燃油喷射发动机中进气阀沉积物的汽油组合物

    公开(公告)号:US5503644A

    公开(公告)日:1996-04-02

    申请号:US233288

    申请日:1994-04-26

    Abstract: Intake valve deposits in port fuel injected engines are reduced by using a fuel containing a mixture of (a) an oil soluble polyamine selected from (i) an aliphatic alkylene polyamine containing at least one olefinic polymer chain attached to a nitrogen and/or carbon atom of the alkylene radical(s) connecting the amino nitrogen atoms and said polyamine having a number average molecular weight in the range of from about 600 to about 10,000, (ii) a Mannich polyamine comprising the condensation product of a high molecular weight sulfur-free alkyl-substituted hydroxyaromatic compound wherein the alkyl group has a number average molecular weight from about 600 to about 10,000, an amine which contains an amino group having at least one active hydrogen atom, and an aldehyde, wherein the respective molar ratio of reactants is 1:0.1-10:0.1-10, or (iii) mixtures of (i) and (ii) and (b) an oil soluble hydrocarbyl poly(oxyalkylene)aminocarbamate having a number average molecular weight in the range of from about 600 to about 10,000 having at least one basic nitrogen atom wherein the hydrocarbyl group contains from 1 to about 30 carbons atoms, and wherein the mixture is present in an amount of 5-1000 ppmw basis the fuel and the weight ratio of component (a) to component (b) ranges from about 3:1 to about 1:2. The fuels are also compatible with carburetor and throttle body injected engines.

    Abstract translation: 通过使用含有(a)油溶性多胺的混合物的燃料来减少燃料喷射发动机的进气阀沉积物,所述油溶性多胺选自(i)含有连接到氮和/或碳原子上的至少一个烯属聚合物链的脂族亚烷基多胺 的连接氨基氮原子的亚烷基和数均分子量在约600至约10,000范围内的所述多胺,(ii)包含高分子量无硫的缩合产物的曼尼希多胺 烷基取代的羟基芳族化合物,其中烷基的数均分子量为约600至约10,000,含有具有至少一个活性氢原子的氨基的胺和醛,其中各反应物的摩尔比为1 :0.1-10:0.1-10,或(iii)(i)和(ii)和(b)数均分子量在该范围内的油溶性烃基聚(氧化烯)氨基氨基甲酸酯的混合物 约600至约10,000具有至少一个碱性氮原子,其中所述烃基含有1至约30个碳原子,并且其中所述混合物以基于5-1000ppmw的量存在于燃料和组分的重量比 (a)至组分(b)的范围为约3:1至约1:2。 这些燃料也与化油器和节气门体喷射发动机兼容。

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