Process of preparing metallic detergent-dispersant additives of high
alkalinity in particular for lubricating oils, and product obtained
thereby
    1.
    发明授权
    Process of preparing metallic detergent-dispersant additives of high alkalinity in particular for lubricating oils, and product obtained thereby 失效
    制备高碱度金属洗涤剂分散剂添加剂的方法,特别是用于润滑油的方法,以及由此获得的产品

    公开(公告)号:US4293431A

    公开(公告)日:1981-10-06

    申请号:US49959

    申请日:1979-06-19

    CPC分类号: C10M159/24

    摘要: A process of preparing metallic detergent-dispersant compositions is provided by:1. Reacting sulfur with an alkylphenol, bearing one or more C.sub.6 -C.sub.60 alkyl substituents, in the presence of a dilution oil, an alkaline-earth metal alkylbenzene sulfonate of a molecular weight of more than about 300 and a TBN of less than or equal to about 150, an alkaline-earth metal compound, optionally an alkaline-metal hydroxide, a base component of metallic detergent-dispersant of a TBN greater than or equal to 200 selected from among superalkalinized sulfurized alkaline-earth metal alkylphenates, alkaline-earth metal alkylbenzene sulfonates, and mixtures of superalkalinized sulfurized alkaline earth metal alkylphenates and alkaline-earth metal alkylbenzene sulfonates, and an alkylene glycol, at a temperature of between 100.degree. C. and 190.degree. C.;2. Carbonating the resultant mixture with carbon dioxide at a temperature of between 100.degree. C. and 200.degree. C., the amount of CO.sub.2 being between that which can be completely absorbed and an excess of 30 percent of said amount;3. Removing the alkylene glycol; and4. Separating the metallic detergent-dispersant of high alkalinity thus obtained.The detergent-dispersants thus obtained are useful in improving the detergent-dispersant power of lubricating oils.

    摘要翻译: 制备金属洗涤剂 - 分散剂组合物的方法是通过以下方式提供的:1.在稀释油存在下,使烷基酚与含有一个或多个C 6 -C 60烷基取代基的硫反应,分子量为的碱土金属烷基苯磺酸盐 大于约300,TBN小于或等于约150,碱土金属化合物,任选的碱金属氢氧化物,TBN大于或等于200的金属洗涤剂分散剂的基础组分选自 在超高碱性硫化碱土金属烷基酚盐,碱土金属烷基苯磺酸盐和超碱性硫化碱土金属烷基苯酚和碱土金属烷基苯磺酸盐和亚烷基二醇的混合物中,在100℃至190℃的温度下, C。; 2.将所得混合物用二氧化碳在100℃至200℃之间的温度下碳化,二氧化碳的量可以完全吸收,二氧化碳的量超过所述量的30%; 去除亚烷基二醇; 和4.分离由此获得的高碱度的金属洗涤剂分散剂。 由此获得的洗涤剂分散剂可用于改善润滑油的洗涤剂分散能力。

    Process for the preparation of superalkalinized metallic
detergent-dispersants for lubricating oils and products obtained
therefrom
    4.
    发明授权
    Process for the preparation of superalkalinized metallic detergent-dispersants for lubricating oils and products obtained therefrom 失效
    用于制备用于润滑油的超级碱金属洗涤剂分散剂和由其获得的产品的方法

    公开(公告)号:US4412927A

    公开(公告)日:1983-11-01

    申请号:US350282

    申请日:1982-02-19

    CPC分类号: C10M159/24

    摘要: A process is provided for preparing detergent-dispersant compositions of high alkalinity by:1. Carbonation, at a temperature of between about 100.degree. C. and 250.degree. C., with carbon dioxide of a reaction medium comprising a sulfurized alkylphenate of an alkaline-earth metal having a TBN of between about 1 and 170, an alkaline-earth metal alkylbenzene sulfonate having a molecular weight of more than about 300 and a TBN of less than or equal to about 150, an alkaline-earth metal compound, an alkylene glycol, and a dilution oil;2. Removal of the alkylene glycol; and3. Separation of the superalkalinized metallic detergent-dispersant thus obtained.The metallic detergent-dispersant compositions obtained are useful in improving the detergent-dispersant power of lubricating oils.

    摘要翻译: 提供了一种通过以下步骤制备高碱度的洗涤剂 - 分散剂组合物的方法:1.在约100℃和250℃之间的温度下,与包含碱性溶液的硫化烷基酚盐的反应介质的二氧化碳进行碳化, TBN为约1至170的地球金属,分子量大于约300且TBN小于或等于约150的碱土金属烷基苯磺酸盐,碱土金属化合物,亚烷基二醇 ,稀释油; 除去亚烷基二醇; 3.由此得到的超级碱金属洗涤剂分散剂的分离。 获得的金属洗涤剂 - 分散剂组合物可用于改善润滑油的洗涤剂分散能力。

    Process for the preparation of detergent dispersants of high alkalinity
for lubricating oils and the product obtained therefrom
    5.
    发明授权
    Process for the preparation of detergent dispersants of high alkalinity for lubricating oils and the product obtained therefrom 失效
    用于制备用于润滑油的高碱度的洗涤剂分散剂的方法和由其获得的产物

    公开(公告)号:US4302342A

    公开(公告)日:1981-11-24

    申请号:US50089

    申请日:1979-06-19

    CPC分类号: C10M159/24

    摘要: A process is provided for preparing detergent-dispersant compositions of a TBN of at least about 200, containing at least about 2 percent magnesium, by:(1) sulfurization by sulfur of an alkylphenol in the presence of a magnesium and/or calcium alkylbenzene-sulfonate of a TBN less than or equal to about 150, an alkaline-earth component selected from among lime, mixtures of magnesium oxide and lime, or a magnesium oxide and alkali hydroxide, and an alkylene glycol;(2) optionally precarbonation of the resultant mixture by means of CO.sub.2 ;(3) super-alkalinization and carbonation of the resultant mixture by means of magnesium oxide and possibly lime, CO.sub.2 and alkylene glycol; and(4) removal of the excess alkylene glycol.The detergent-dispersant compositions obtained are useful in the improvement of the detergent-dispersant properties of lubricating oils.

    摘要翻译: 提供一种制备TBN至少约200的洗涤剂 - 分散剂组合物的方法,该组合物含有至少约2%的镁,方法是:(1)在烷基苯磺酸镁和/或钙的存在下,用硫磺化烷基酚, 小于或等于约150的TBN的磺酸盐,选自石灰,氧化镁和石灰的混合物,或氧化镁和碱金属氢氧化物的碱土金属组分和亚烷基二醇; (2)任选地通过CO 2预处理所得混合物; (3)通过氧化镁和可能的石灰,CO 2和亚烷基二醇对所得混合物进行超碱化和碳酸化; 和(4)除去过量的亚烷基二醇。 得到的洗涤剂 - 分散剂组合物可用于改善润滑油的洗涤剂分散剂性能。

    Detergent-dispersants of high alkalinity for lubricating oils and
process for their preparation
    6.
    发明授权
    Detergent-dispersants of high alkalinity for lubricating oils and process for their preparation 失效
    用于润滑油的高碱性洗涤剂分散剂及其制备方法

    公开(公告)号:US4251379A

    公开(公告)日:1981-02-17

    申请号:US6866

    申请日:1979-01-26

    CPC分类号: C10M159/24

    摘要: New detergent-dispersants of high alkalinity useful as additives for lubricating oils and a novel process for their preparation are provided.The novel detergent-dispersant additives are prepared by:(1) sulfurizing an alkylphenol in the presence of an alkylbenzene sulfonate of low or zero T.B.N., an alkaline earth base and an alkylene glycol;(2) precarbonating the mixture thus obtained;(3) super-alkalinizing and carbonating the resultant precarbonated mixture by means of an alkaline earth base, CO.sub.2, and an alkylene glycol; and(4) eliminating the excess alkylene glycol.These detergent-dispersant additives improve the detergent-dispersant power of lubricating oils.

    摘要翻译: 提供了可用作润滑油添加剂的新碱性高碱度洗涤剂分散剂及其制备方法。 新型洗涤剂分散剂添加剂通过以下步骤制备:(1)在低或零T.B.N.,碱土金属和亚烷基二醇的烷基苯磺酸盐存在下硫化烷基酚; (2)将由此得到的混合物预碳酸化; (3)通过碱土碱,CO 2和亚烷基二醇对所得预碳化混合物进行超碱化和碳酸化; 和(4)除去过量的亚烷基二醇。 这些洗涤剂分散剂添加剂改善了润滑油的洗涤剂分散能力。

    Overbased alkaline earth metal alkylhydroxybenzoates having low crude sediment
    7.
    发明申请
    Overbased alkaline earth metal alkylhydroxybenzoates having low crude sediment 有权
    高碱性碱土金属烷基羟基苯甲酸酯具有较低的粗沉积物

    公开(公告)号:US20070027043A1

    公开(公告)日:2007-02-01

    申请号:US11192834

    申请日:2005-07-29

    IPC分类号: C10M159/20 C10M159/22

    摘要: A process for preparing an overbased alkaline earth metal alkylhydroxybenzoate, said process comprising overbasing an alkaline earth metal alkylhydroxybenzoate or a mixture of alkaline earth metal alkylhydroxybenzoate and up to 50 mole % of alkylphenol, based on the total mixture of alkylhydroxybenzoate and alkylphenol, with a molar excess of alkaline earth metal base and at least one acidic overbasing material in the presence of at least one carboxylic acid having from one to four carbon atoms and a solvent selected from the group consisting of aromatic hydrocarbons, aliphatic hydrocarbons, monoalcohols, and mixtures thereof.

    摘要翻译: 一种制备高碱性碱土金属烷基羟基苯甲酸酯的方法,所述方法包括使碱土金属烷基羟基苯甲酸酯或碱土金属烷基羟基苯甲酸酯与碱土金属烷基羟基苯甲酸酯的混合物与基于羟基苯甲酸烷基酯和烷基酚的总混合物至多50摩尔%烷基酚的摩尔比与摩尔 在至少一种具有1-4个碳原子的羧酸和选自芳族烃,脂族烃,一元醇及其混合物的溶剂的存在下,过量的碱土金属碱和至少一种酸性高碱性材料。