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    • 3. 发明授权
    • Synthetic polyolefin lubricant blends
    • 合成聚烯烃润滑剂混合物
    • US5105038A
    • 1992-04-14
    • US623840
    • 1990-12-07
    • Catherine S. H. ChenMargaret M. Wu
    • Catherine S. H. ChenMargaret M. Wu
    • C10M169/04
    • C10M169/041C10M2203/0206C10M2205/024C10M2205/0245C10M2205/026C10M2205/0265C10M2205/028C10N2220/02
    • Synthetic lubricant blends exhibiting superior lubricant properties such as high viscosity index, including mixtures of oligomeric products of shape selective catalysis with other lubricants, such as high viscosity index poly-alpha-(.alpha.-)olefins lubricant basestock, conventional poly(.alpha.-olefin) and/or other liquid lubricant basestock material.Preferred lubricant mixtures comprise hydrogenated components:a) a low viscosity C.sub.20 -C.sub.60 lubricant range liquid comprising substantially linear hydrocarbon moietoes prepared by shape selective catalysis of lower olefin with medium pore acid zeolite catalyst to provide substantially linear liquid olefinic intermediates or C.sub.20.sup.+ lubricants, said lubricant range liquid having a kinematic viscosity of about 2-10 cS at 100.degree. C.; andb) at least one poly(.alpha.-olefin) having viscosity greater than 20 cS and viscosity index improvement properties.
    • 合成润滑剂共混物表现出优异的润滑性能,例如高粘度指数,包括形状选择性催化与其它润滑剂的低聚产物的混合物,例如高粘度指数聚-α-(α-)烯烃润滑剂基础油,常规聚(α-烯烃) 和/或其它液体润滑剂基础材料。 优选的润滑剂混合物包括氢化组分:a)低粘度的C 20 -C 60润滑剂范围液体,其包含基本上由线性烃气溶胶组成,所述烃气溶胶通过低分子烯烃与中孔酸沸石催化剂的形状选择性催化制备,以提供基本上线性的液体烯烃中间体或C20 +润滑剂,所述润滑剂 在100℃下运动粘度为约2-10cS的范围液体; 和b)至少一种粘度大于20cS的聚(α-烯烃)和粘度指数改进性能。