Polymer useful as viscosity index improver
    1.
    发明授权
    Polymer useful as viscosity index improver 有权
    聚合物可用作粘度指数改进剂

    公开(公告)号:US09481849B2

    公开(公告)日:2016-11-01

    申请号:US13576098

    申请日:2011-02-24

    Abstract: 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.

    POLYMER USEFUL AS VISCOSITY INDEX IMPROVER
    5.
    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

    Abstract: 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.

    Abstract translation: 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。

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