Synthetic lubricating oil and lubricating oil composition
    6.
    发明申请
    Synthetic lubricating oil and lubricating oil composition 有权
    合成润滑油和润滑油组成

    公开(公告)号:US20060116303A1

    公开(公告)日:2006-06-01

    申请号:US11286412

    申请日:2005-11-25

    IPC分类号: C10L1/16

    摘要: A synthetic lubricating oil comprising an α-olefin (co)polymer defined by the following features (i) to (v): (i) the (co)polymer contains constituent units derived from (a) at least one monomer selected from α-olefins of 8 to 20 carbon atoms in amounts of 90 to 100% by mol and contains constituent units derived from (b) ethylene in amounts of 0 to 10% by mol, (ii) the dynamic viscosity at 100° C. is in the range of 8 to 500 mm2/s, (iii) the number-average molecular weight (Mn), as measured by gel permeation chromatography, is in the range of 500 to 15,000, (iv) the (co)polymer satisfies the following formulas (I) and (II): A≦24.0×Exp (−0.0239×K)   (I) B≦0.0775×K   (II) wherein A is a content (%) of a (co)polymer having a molecular weight, as measured by gel permeation chromatography, of not more than 1,000, B is a content (%) of a (co)polymer having a molecular weight of not less than 20,000, and K is a dynamic viscosity (mm2/s) at 100° C., and (v) the molecular weight distribution (Mw/Mn) is in the range of 1.1 to 1.8.

    摘要翻译: 包含由以下特征(i)至(v)定义的α-烯烃(共)聚合物的合成润滑油:(i)(共)聚合物含有构成单元,其衍生自(a)至少一种选自α- 含量为90〜100摩尔%的碳原子数为8〜20的烯烃,含有0〜10摩尔%的(b)乙烯的成分单元,(ii)100℃下的动态粘度为 范围为8〜500mm 2 / s,(iii)通过凝胶渗透色谱法测定的数均分子量(Mn)为500〜15000的范围,(iv) (共)聚合物满足下式(I)和(II):<?in-line-formula description =“In-line formula”end =“lead”?> A <= 24.0xExp(-0.0239xK)(I )<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> B <= 0.0775xK (II)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中A是具有(am)的(共)聚合物的含量(%) 通过凝胶渗透色谱法测定的分子量不大于1000,B是分子量不小于20,000的(共)聚合物的含量(%),K是动态粘度(mm < 2),(v)分子量分布(Mw / Mn)在1.1〜1.8的范围内。