Process for the polymerization olefins
    1.
    发明授权
    Process for the polymerization olefins 失效
    烯烃聚合方法

    公开(公告)号:US07009014B2

    公开(公告)日:2006-03-07

    申请号:US10009738

    申请日:2001-06-29

    IPC分类号: C08F4/44

    摘要: A process for polymerizing an olefin is capable of polymerizing an olefin with excellent polymerization activity, and comprises polymerizing or copolymerizing an olefin at a polymerization reaction temperature of 50 to 200° C. in the presence of a catalyst comprising a transition metal compound (A) represented by the following formula (I), a compound (B-1) having a reduction ability which reacts with the transition metal compound (A) to convert an imine structure moiety to a metal amide structure, and a compound (B-2) which reacts with the transition metal compound (A) to form an ion pair; wherein M is a transition metal atom of Groups 3 to 11 of the periodic table; m is an integer of 1 to 6; Y is O, S, Se, or —C(R7)—; R1 to R7 may be the same or different, and are each a hydrogen atom, a halogen atom, a hydrocarbon group, an oxgen-containing group, a nitrogen-containing group and the like; n is a number satisfying a valence of M; and X is a hydrogen atom, a halogen atom, a hydrocarbon group and the like.

    摘要翻译: 聚合烯烃的方法能够聚合具有优异聚合活性的烯烃,并且包括在包含过渡金属化合物(A)的催化剂的存在下,在50至200℃的聚合反应温度下聚合或共聚烯烃, 由下式(I)表示的具有与过渡金属化合物(A)反应以将亚胺结构部分转化为金属酰胺结构的还原能力的化合物(B-1)和化合物(B-2) 其与过渡金属化合物(A)反应形成离子对; 其中M是周期表第3〜11族的过渡金属原子; m为1〜6的整数。 Y是O,S,Se或-C(R 7) - ; R 1至R 7可以相同或不同,并且各自为氢原子,卤素原子,烃基,含氧基团,含氮基团, 含有基团等; n是满足M价的数; X是氢原子,卤原子,烃基等。

    Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
    9.
    发明授权
    Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition 有权
    烯烃嵌段共聚物,润滑油粘度指数改进剂和润滑油组成

    公开(公告)号:US07022766B2

    公开(公告)日:2006-04-04

    申请号:US10721107

    申请日:2003-11-26

    摘要: The present invention provides an olefin block copolymer for a viscosity index improver capable of preparing a lubricating oil composition having excellent low temperature properties and excellent balance between viscosity and shear stability, a viscosity index improver and a lubricating oil composition comprising the viscosity index improver.The olefin block copolymer has a Mw/Mn of not more than 1.5, and comprises:(i) a polymer block comprising ethylene and an α-olefin of 3 to 20 carbon atoms, having a molar ratio (ethylene/α-olefin) of ethylene units to α-olefin units of from 20/80 to 65/35, a Mw of 50,000 to 2,000,000, and having a slope of an intramolecular composition distribution of absolute value of 0.1 to 0, and(ii) a polymer block comprising ethylene and an α-olefin of 3 to 20 carbon atoms, having a molar ratio (ethylene/α-olefin) of ethylene units to α-olefin units of from 70/30 to 85/15, a Mw of 10,000 to 400,000, and having a slope of an intramolecular composition distribution of absolute value of 0.1 to 0.

    摘要翻译: 本发明提供一种能够制备具有优异的低温性能和粘度与剪切稳定性之间优异平衡的润滑油组合物的粘度指数改进剂的烯烃嵌段共聚物,粘度指数改进剂和包含粘度指数改进剂的润滑油组合物。 烯烃嵌段共聚物的Mw / Mn不大于1.5,并且包括:(i)包含乙烯和3-20个碳原子的α-烯烃的聚合物嵌段,其摩尔比(乙烯/α-烯烃)为 乙烯单元与α-烯烃单元的比例为20/80至65/35,Mw为50,000至2,000,000,绝对值为0.1至0的分子内组成分布的斜率,和(ii)包含乙烯的聚合物嵌段 和具有3-20个碳原子的α-烯烃,乙烯单元与α-烯烃单元的摩尔比(乙烯/α-烯烃)为70/30至85/15,Mw为10,000至400,000,并具有 分子内组成分布的斜率为0.1〜0。