Additives for n-paraffin-containing lubricating oils, which additives are mixtures of acrylates containing (I) from 10 to 99 weight percent of polymers P.sub.1 composed of (a) esters of methacrylic acid and/or acrylic acid and linear C.sub.6 to C.sub.15 alcohols; (b) esters of methacrylic acid and/or acrylic acid and linear C.sub.16 to C.sub.30 alcohols; (c) esters of methacrylic acid and/or acrylic acid and branched C.sub.8 to C.sub.40 alcohols; (d) esters of methacrylic acid and/or acrylic acid and C.sub.1 to C.sub.5 alcohols; and (e) monomers having functional groups, the amount of (b) being at the most 5 mol percent; and (II) from 90 to 1 weight percent of polymers P.sub.2 composed of (a') esters of methacrylic acid and/or acrylic acid and linear C.sub.6 to C.sub.15 alcohols; (b') esters of methacrylic acid and/or acrylic acid and linear C.sub.16 to C.sub.30 alcohols; (c') esters of methacrylic acid and/or acrylic acid and branched C.sub.8 to C.sub.40 alcohols; (d') esters of methacrylic acid and/or acrylic acid and C.sub.1 to C.sub.5 alcohols; and (e') monomers having functional groups, the amount of (b') being between 10 and 70 mol percent; and a solvent therefor.
用于含正构烷基润滑油的添加剂,该添加剂是
丙烯酸酯混合物,含有(I)由以下组成的P.sub.1聚合物,占10至99重量百分比:(a)
甲基丙烯酸酯和/或
丙烯酸酯与线性C.sub.6至C.sub.15醇的酯;(b)
甲基丙烯酸酯和/或
丙烯酸酯与线性C.sub.16至C.sub.30醇的酯;(c)
甲基丙烯酸酯和/或
丙烯酸酯与支链C.sub.8至C.sub.40醇的酯;(d)
甲基丙烯酸酯和/或
丙烯酸酯与C.sub.1至C.sub.5醇的酯;以及(e)具有功能基的单体,其中(b)的含量最多为5摩尔百分比;以及(II)由以下组成的P.sub.2聚合物,占90至1重量百分比:(a')
甲基丙烯酸酯和/或
丙烯酸酯与线性C.sub.6至C.sub.15醇的酯;(b')
甲基丙烯酸酯和/或
丙烯酸酯与线性C.sub.16至C.sub.30醇的酯;(c')
甲基丙烯酸酯和/或
丙烯酸酯与支链C.sub.8至C.sub.40醇的酯;(d')
甲基丙烯酸酯和/或
丙烯酸酯与C.sub.1至C.sub.5醇的酯;以及(e')具有功能基的单体,其中(b')的含量在10至70摩尔百分比之间;以及该溶剂。