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    • 6. 发明申请
    • A POLYMER USEFUL AS VISCOSITY INDEX IMPROVER
    • 聚合物作为粘度指数改进使用
    • WO2011134694A1
    • 2011-11-03
    • PCT/EP2011/052710
    • 2011-02-24
    • EVONIK ROHMAX ADDITIVES GMBHLANGSTON, Justin AugustWANG, Jen-LungMOORE, Peter
    • LANGSTON, Justin AugustWANG, Jen-LungMOORE, Peter
    • C08F220/18C10M145/14
    • C10M145/14C08F220/18C10M145/16C10M2203/1025C10M2209/084C10M2209/086C10N2230/02C10N2230/68C10N2240/042C10N2240/045C10N2240/046C10N2270/00C10N2260/02
    • 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, R 1 means a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, R 2 and R 3 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, R 4 means a 2-alkyl branched alkyl residue with 12-18 carbon atoms, R 5 and R 6 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, R 7 means a linear alkyl residue with 12-24 carbon atoms, R 8 and R 9 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.
    • 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)的烯键式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”表示氢或烷基与 12-18个碳原子和一个或多个式(III)烯键式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 式-COOR“的基团,其中R' 是指氢或具有12-24个碳原子的烷基,其中所述聚合物包含至少10重量%的衍生自一种或多种式(I)的烯属不饱和酯化合物的单元,基于聚合物的总重量,所述聚合物 包含衍生自一种或多种式(II)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,并且所述聚合物包含至少10重量%的衍生自一种或多种烯属不饱和单体的单元 式(III)的酯化合物,基于聚合物的总重量。
    • 7. 发明申请
    • IMPROVED PROCESS FOR PREPARING CONTINUOUSLY VARIABLE-COMPOSITION COPOLYMERS
    • 制备连续可变组合共聚物的改进方法
    • WO2009007155A1
    • 2009-01-15
    • PCT/EP2008/055727
    • 2008-05-09
    • EVONIK ROHMAX ADDITIVES GMBHIROFF, Nadine, J.MOORE, Peter
    • IROFF, Nadine, J.MOORE, Peter
    • C08F2/00
    • C08F2/00C08F2/001C08F20/18C08F220/14C08F220/18C08F2220/1891
    • The present invention concerns a process for preparing continuously variable composition copolymers comprising: (a) providing a reaction vessel comprising a first monomer composition; (b) providing a feed vessel comprising a second monomer composition; (c) initiating a polymerization reaction in said reaction vessel; (d) continuing the polymerization reaction during the gradual addition of said second monomer composition from said feed vessel to said reaction vessel wherein the gradual addition of the second monomer composition is performed such that continuously variable composition copolymers are achieved; (e) maintaining said polymerization until at least 90 % of the total monomer composition has been converted to a copolymer; wherein said copolymer has a weight average molecular weight from 10,000 to 1,000,000; said copolymer is soluble in lubricating oil, characterized in that the monomers provided in the reaction vessel by said first monomer composition composes at least 50 % by weight of all the monomers used to prepare said copolymer.
    • 本发明涉及一种制备连续可变组合物共聚物的方法,包括:(a)提供包含第一单体组合物的反应容器; (b)提供包含第二单体组合物的进料容器; (c)在所述反应容器中引发聚合反应; (d)在将所述第二单体组合物从所述进料容器逐渐加入到所述反应容器期间继续进行聚合反应,其中进行第二单体组合物的逐渐加入,从而实现连续可变的组合物共聚物; (e)保持所述聚合直到总单体组合物的至少90%已经转化为共聚物; 其中所述共聚物的重均分子量为10,000至1,000,000; 所述共聚物可溶于润滑油,其特征在于,由所述第一单体组合物在反应容器中提供的单体占用于制备所述共聚物的所有单体的至少50重量%。