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    POLYMER USEFUL AS VISCOSITY INDEX IMPROVER
    1.
    发明申请
    POLYMER USEFUL AS VISCOSITY INDEX IMPROVER 有权
    聚合物用作粘度指数改进

    公开(公告)号：US20120302477A1

    公开(公告)日：2012-11-29

    申请号：US13576098

    申请日：2011-02-24

    申请人： Justin August Langston ,  Jen-Lung Wang ,  Peter Moore

    发明人： Justin August Langston ,  Jen-Lung Wang ,  Peter Moore

    IPC分类号： C10M145/14 ,  C08F20/14 ,  C08F20/18

    CPC分类号： C10M145/14 ,  C08F220/18 ,  C10M145/16 ,  C10M2203/1025 ,  C10M2209/084 ,  C10M2209/086 ,  C10N2230/02 ,  C10N2230/68 ,  C10N2240/042 ,  C10N2240/045 ,  C10N2240/046 ,  C10N2270/00 ,  C10N2260/02

    摘要： The present invention describes a polymer useful as viscosity index improver comprising units derived from one or more ethylenically unsaturated ester compounds of formula (I), where R is hydrogen or methyl, R1 means a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, R2 and R3 independently represent hydrogen or a group of the formula —COOR′, where R′ means hydrogen or a alkyl group with 1-6 carbon atoms, units of one or more ethylenically unsaturated ester compounds of formula (II), where R is hydrogen or methyl, R4 means a 2-alkyl branched alkyl residue with 12-18 carbon atoms, R5 and R6 independently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-18 carbon atoms, and units of one or more ethylenically unsaturated ester compounds of formula (III), where R is hydrogen or methyl, R7 means a linear alkyl residue with 12-24 carbon atoms, R8 and R9 independently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-24 carbon atoms wherein said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (I), based on the total weight of the polymer, said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (II), based on the total weight of the polymer, and said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (III), based on the total weight of the polymer.

    摘要翻译： 本发明描述了可用作粘度指数改进剂的聚合物，其包含衍生自一种或多种式（I）的烯属不饱和酯化合物的单元，其中R是氢或甲基，R 1表示具有1-6个碳原子的直链，支链或环状烷基 原子，R2和R3独立地表示氢或式-COOR'的基团，其中R'表示氢或具有1-6个碳原子的烷基，一个或多个式（II）的烯属不饱和酯化合物的单元，其中 R是氢或甲基，R4表示具有12-18个碳原子的2-烷基支链烷基，R5和R6独立地是氢或式-COOR“的基团，其中R”表示氢或具有12- 18个碳原子和一个或多个式（III）的烯属不饱和酯化合物的单元，其中R是氢或甲基，R7表示具有12-24个碳原子的直链烷基，R8和R9独立地是氢或一个 式-COOR“， 其中R“表示氢或具有12-24个碳原子的烷基，其中所述聚合物包含衍生自一种或多种式（I）的烯属不饱和酯化合物的至少10重量％单元，基于聚合物的总重量， 所述聚合物包含至少10重量％的衍生自一种或多种式（II）的烯属不饱和酯化合物的单元，基于聚合物的总重量，并且所述聚合物包含至少10重量％的衍生自一个或多个 式（III）的烯属不饱和酯化合物，基于聚合物的总重量。

    Method for the determination of the oxidative stability of a lubricating fluid
    3.
    发明授权
    Method for the determination of the oxidative stability of a lubricating fluid 有权
    确定润滑液的氧化稳定性的方法

    公开(公告)号：US08021885B2

    公开(公告)日：2011-09-20

    申请号：US11545421

    申请日：2006-10-11

    申请人： Bernard Kinker ,  Raymond Romaszewski

    发明人： Bernard Kinker ,  Raymond Romaszewski

    IPC分类号： G01N33/03

    CPC分类号： G01N33/2888

    摘要： The present invention concerns a method for the determination of the oxidative stability of a lubricating fluid, comprising the steps of: introducing a sample of the lubricating fluid under test in an reaction cell; introducing catalytic amounts of a catalyst to the reaction cell; heating the cell to the oxidation temperature of the lubricating fluid and maintaining this temperature; delivering oxygen containing gas at constant flow rate through the cell over the course of the reaction; delivering a gas comprising nitrogen dioxide at a constant flow rate through the cell for a specified time; applying and maintaining a specified vacuum on the reaction cell; allowing the mixture to react for a specified time; measuring the viscosity of the oxidized lubricating fluid. Additionally, the present invention describes an apparatus for the determination of the oxidative stability of a lubricating fluid.

    摘要翻译： 本发明涉及一种确定润滑液的氧化稳定性的方法，包括以下步骤：将待测润滑液的样品引入反应池中; 将催化量的催化剂引入反应池; 将电池加热至润滑液的氧化温度并维持该温度; 在反应过程中以恒定流速输送含氧气体通过电池; 以恒定流速通过电池输送包含二氧化氮一定时间的气体; 在反应池上施加和保持指定的真空; 允许混合物反应一定时间; 测量氧化润滑液的粘度。 此外，本发明描述了一种用于确定润滑流体的氧化稳定性的装置。

    Oil soluble comb polymers
    7.
    发明授权
    Oil soluble comb polymers 有权
    油溶性梳状聚合物

    公开(公告)号：US08067349B2

    公开(公告)日：2011-11-29

    申请号：US11909171

    申请日：2006-04-07

    申请人： Torsten Stoehr ,  Boris Eisenberg ,  Michael Mueller

    发明人： Torsten Stoehr ,  Boris Eisenberg ,  Michael Mueller

    IPC分类号： C10M145/14 ,  C10M149/04 ,  C10L1/18

    CPC分类号： C08F290/04 ,  C08F299/00 ,  C10M159/005 ,  C10M2203/1006 ,  C10M2203/1025 ,  C10M2205/028 ,  C10M2205/0285 ,  C10M2209/04 ,  C10M2209/062 ,  C10M2209/084 ,  C10M2209/086 ,  C10N2220/021 ,  C10N2220/028 ,  C10N2230/02 ,  C10N2230/04 ,  C10N2230/06 ,  C10N2230/68 ,  C10N2220/022

    摘要： The invention relates to comb polymers which comprise, in the main chain, repeating units which are derived from polyolefin-based macromonomers, and repeating units which are derived from low molecular monomers which are selected from the group consisting of styrene monomers having 8-17 carbon atoms, alkyl(meth)acrylates having 1-10 carbon atoms in the alcohol group, vinyl esters having 1-11 carbon atoms in the acyl group, vinyl ethers having 1-10 carbon atoms in the alcohol group, (Di)alkylfumarates having 1-10 carbon atoms in the alcohol group, (Di)alkylmaleates having 1-10 carbon atoms in the alcohol group and mixtures of said monomers. The molar branching degree lies in the region between 0.1-10 mol. % and the comb polymer represents the sum of at least 80 wt. %, in relation to the weight of the repeating units, on repeating units which are derived from polyolefin-based macromonomers, and repeating units which are selected from low molecular monomers which are selected from the group consisting of styrene monomers having 8-17 carbon atoms, alkyl(meth)acrylates having 1-10 carbon atoms in the alcohol group, vinyl esters having 1-11 carbon atoms in the acyl group, vinyl ethers having 1-10 carbon atoms in the alcohol group, (Di)alkylfumarates having 1-10 carbon atoms in the alcohol group, (Di)alkylmaleates having 1-10 carbon atoms in the alcohol group, and mixtures of said monomers.

    摘要翻译： 本发明涉及在主链中包含衍生自聚烯烃基大分子单体的重复单元和衍生自低分子单体的重复单元的梳状聚合物，所述低分子单体选自具有8-17个碳原子的苯乙烯单体 原子，醇基中具有1-10个碳原子的（甲基）丙烯酸烷基酯，酰基中具有1-11个碳原子的乙烯基酯，醇基中具有1-10个碳原子的乙烯基醚，具有1个碳原子的（Di）烷基富马酸盐 -10个碳原子，醇基中具有1-10个碳原子的（Di）烷基马来酸酯和所述单体的混合物。 摩尔分支度位于0.1-10mol之间的区域。 ％，梳状聚合物代表至少80wt。 相对于重复单元的重量，衍生自聚烯烃基大分子单体的重复单元的重复单元和选自具有8-17个碳原子的苯乙烯单体的低分子单体的重复单元 ，醇基中具有1-10个碳原子的（甲基）丙烯酸烷基酯，酰基中具有1-11个碳原子的乙烯基酯，醇基中具有1-10个碳原子的乙烯基醚，具有1- 醇基中的10个碳原子，醇基中具有1-10个碳原子的（Di）烷基马来酸化物，以及所述单体的混合物。

    (Meth)acrylate polymers for improving the viscosity index
    9.
    发明授权
    (Meth)acrylate polymers for improving the viscosity index 有权
    （甲基）丙烯酸酯聚合物，用于改善粘度指数

    公开(公告)号：US09200233B2

    公开(公告)日：2015-12-01

    申请号：US13511031

    申请日：2010-12-08

    申请人： Rene Koschabek ,  Sandra Kuenzel ,  Markus Weber ,  Thorsten Bartels ,  Christoph Wincierz

    发明人： Rene Koschabek ,  Sandra Kuenzel ,  Markus Weber ,  Thorsten Bartels ,  Christoph Wincierz

    IPC分类号： C10M145/14 ,  C08F220/18 ,  C08F220/28 ,  C10M169/04

    CPC分类号： C10M145/14 ,  C08F220/18 ,  C08F220/28 ,  C10M169/041 ,  C10M2209/084 ,  C10M2209/1033 ,  C10M2209/1075 ,  C10N2220/021 ,  C10N2230/02 ,  C10N2230/041 ,  C10M2217/028

    摘要： The invention relates to a (meth)acrylate polymer for improving the viscosity index, which comprises a) from 5 to 60 wt % of repeating units that are derived from (meth)acrylates of formula (I), where R represents hydrogen or methyl and R1 is an alkyl radical having from 1 to 6 carbon atoms, b) from 5 to 80 wt % of repeating units that are derived from (meth)acrylates of formula (II), where R is hydrogen or methyl and R2 is an alkyl radical having from 7 to 30 carbon atoms, and c) from 15 to 90 wt % of repeating units that are derived from (meth)acrylates of formula (III), where R is hydrogen or methyl, n is an integer in the range of 2 to 500 and A is C2-C4 alkylene and R3 is a hydrogen atom or an alkyl radical having from 1 to 4 carbon atoms. The invention further relates to novel lubricating oil compositions, to a method for producing the above-mentioned (meth)acrylate polymers and to the use thereof for improving the viscosity index of lubricating oil compositions that comprise at least one polar base oil.

    摘要翻译： 本发明涉及用于改善粘度指数的（甲基）丙烯酸酯聚合物，其包含a）5-60重量％的衍生自式（I）的（甲基）丙烯酸酯的重复单元，其中R表示氢或甲基，和 R1是具有1至6个碳原子的烷基，b）5至80重量％的衍生自式（II）的（甲基）丙烯酸酯的重复单元，其中R是氢或甲基，R 2是烷基 具有7至30个碳原子，和c）15至90重量％的衍生自式（III）的（甲基）丙烯酸酯的重复单元，其中R是氢或甲基，n是2的整数 至500，A为C 2 -C 4亚烷基且R 3为氢原子或具有1至4个碳原子的烷基。 本发明还涉及新型润滑油组合物，用于制备上述（甲基）丙烯酸酯聚合物的方法及其用于改善包含至少一种极性基础油的润滑油组合物的粘度指数的用途。