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    • 6. 发明公开
    • VERWENDUNG VON KAMMPOLYMEREN ZUR VERRINGERUNG DES KRAFTSTOFFVERBRAUCHS
    • EP2164885A1
    • 2010-03-24
    • EP08736075.6
    • 2008-04-10
    • Evonik RohMax Additives GmbH
    • STÖHR, TorstenJANSSEN, DieterSCHNABEL, JürgenEISENBERG, BorisGÖRLITZER, HansMÜLLER, Michael
    • C08F290/04C10M143/00C10M145/14
    • C08F290/04C10M143/00C10M143/10C10M143/12C10M145/14C10M2205/00C10M2205/04C10M2205/06C10M2209/00C10M2209/08C10N2220/022C10N2230/02C10N2230/54C10M2209/084
    • The present invention relates to the use of comb polymers comprising, in the main chain, repeat units derived from polyolefin-based macromonomers, and repeat units derived from low molecular weight monomers selected from the group consisting of styrene monomers having from 8 to 17 carbon atoms, alkyl (meth)acrylates having from 1 to 10 carbon atoms in the alcohol group, vinyl esters having from 1 to 11 carbon atoms in the acyl group, vinyl ethers having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl fumarates having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl maleates having from 1 to 10 carbon atoms in the alcohol group, and mixtures of these monomers, where the molar degree of branching is in the range from 0.1 to 10 mol% and the comb polymer comprises a total of at least 80% by weight, based on the weight of the repeat units, of repeat units derived from polyolefin-based macromonomers, and repeat units derived from low molecular weight monomers selected from the group consisting of styrene monomers having from 8 to 17 carbon atoms, alkyl (meth)acrylates having from 1 to 10 carbon atoms in the alcohol group, vinyl esters having from 1 to 11 carbon atoms in the acyl group, vinyl ethers having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl fumarates having from 1 to 10 carbon atoms in the alcohol group, (di)alkyl maleates having from 1 to 10 carbon atoms in the alcohol group, and mixtures of these monomers, for reducing the fuel consumption of vehicles.
    • 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量单体的重复单元的梳状聚合物的用途,所述低分子量单体选自苯乙烯单体,其具有8至 17个碳原子,醇基中具有1至10个碳原子的(甲基)丙烯酸烷基酯,酰基中具有1至11个碳原子的乙烯基酯,醇基中具有1至10个碳原子的乙烯基醚,(二)烷基 醇基中具有1-10个碳原子的富马酸盐,醇基中具有1-10个碳原子的(二)烷基马来酸酯和这些单体的混合物,其中支化摩尔分数在0.1-10摩尔%的范围内,和 梳状聚合物包含总共至少80重量%,基于重复单元的重量,衍生自聚烯烃基大分子单体的重复单元和衍生自低分子量单体的重复单元选择 由具有8至17个碳原子的苯乙烯单体组成,在醇基中具有1至10个碳原子的(甲基)丙烯酸烷基酯,在酰基中具有1至11个碳原子的乙烯基酯,乙烯基醚具有1至10个 醇基中的碳原子,醇基中具有1-10个碳原子的(二)烷基富马酸酯,醇基中的具有1-10个碳原子的(二)烷基马来酸酯和这些单体的混合物,用于降低燃料消耗 汽车。