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    Viscosity Improver Compositions Providing Improved LowTemperature Characteristics to Lubricating Oil
    2.
    发明申请
    Viscosity Improver Compositions Providing Improved LowTemperature Characteristics to Lubricating Oil 有权
    提高润滑油低温特性的粘度改进剂组合物

    公开(公告)号：US20100292114A1

    公开(公告)日：2010-11-18

    申请号：US12834175

    申请日：2010-07-12

    申请人： Chor Huang ,  Lewis Breon

    发明人： Chor Huang ,  Lewis Breon

    IPC分类号： C10M107/14

    CPC分类号： C10M143/00 ,  C10M2205/022 ,  C10M2205/024 ,  C10M2205/04 ,  C10M2205/06 ,  C10N2220/021 ,  C10N2220/022 ,  C10N2220/033 ,  C10N2230/02 ,  C10N2230/68 ,  C10N2240/10

    摘要： A lubricant composition comprising an oil of lubricating viscosity; (A) 0.05 to 1.5 percent by weight of a copolymer comprising 70 to 79 percent by weight of units derived from ethylene (“E”), having a Mw of 50,000 to 100,000, Mw/ Mn less than 3, density (“D”) of 860 to 896 kg/m3, and a melting point (“Tm”) of 15° C. to 60° C., wherein E and Tm fulfill the expression 3.44E−206≧Tm; and (B) 0.05 to 1.5 percent by weight of a block copolymer comprising a first block which comprises a vinyl aromatic comonomer and a second block which comprises a diene comonomer, the diene monomer-containing block being hydrogenated; wherein the weight ratio (A):(B) is 20:80 to 60:40; exhibits good low temperature performance and durability.

    摘要翻译： 一种润滑剂组合物，其包含润滑粘度的油; （A）0.05至1.5重量％的共聚物，其包含70至79重量％的衍生自乙烯（“E”）的单元，其Mw为50,000至100,000，Mw / Mn小于3，密度（“D” ）为860〜896kg / m 3，熔点（Tm）为15℃〜60℃，其中E和Tm满足表达式3.44E-206≥Tm; 和（B）0.05至1.5重量％的嵌段共聚物，其包含包含乙烯基芳族共聚单体的第一嵌段和包含二烯共聚单体的第二嵌段，含二烯单体的嵌段被氢化; 其中所述重量比（A）:( B）为20:80至60:40; 表现出良好的低温性能和耐久性。

    Polymers modified with terminal acid groups and the preparation and use of these polymers
    5.
    发明授权
    Polymers modified with terminal acid groups and the preparation and use of these polymers 失效
    用末端酸基改性的聚合物和这些聚合物的制备和使用

    公开(公告)号：US4972023A

    公开(公告)日：1990-11-20

    申请号：US170244

    申请日：1988-03-18

    申请人： Klaus Bronstert

    发明人： Klaus Bronstert

    IPC分类号： C10M107/42 ,  C08C19/44 ,  C08F8/10 ,  C08F8/30 ,  C08F8/44 ,  C08L7/00 ,  C08L25/00 ,  C08L71/12 ,  C08L75/00 ,  C08L75/04 ,  C09J121/00 ,  C09J153/00 ,  C10M107/12 ,  C10M107/14 ,  C10M107/46 ,  C10N30/04 ,  C10N40/25

    CPC分类号： C08F8/30 ,  C08C19/44 ,  C08F8/44

    摘要： Homopolymers, copolymers or block copolymers obtained from vinylaromatics and/or conjugated dienes and functionally modified at chain ends via amide groups with terminal acid groups or salts thereof, and hydrogenation products of these polymers, which contain salts of functional groups of the formula I, II, III, IV or V ##STR1## wherein N is nitrogen, R.sup.1 is alkyl or aryl, R.sup.3 is a 2-membered to 20-membered bridge in which at least the members adjacent to the nitrogen atoms consist of --C(R.sup.6, R.sup.7) radicals, where R.sup.6 and R.sup.7 are each hydrogen, alkyl, cycloalkyl or aryl, and the more remote members are not only --C(R.sup.6, R.sup.7) radicals but may furthermore be ether or N-alkyl- or N-arylimino groups, R.sup.2 is a divalent organic radical, R.sup.4, R.sup.5, R.sup.8 and R.sup.9 are each alkyl or aryl or together form a cyclic bridge, and X is COOH or SO.sub.3 H or their salts or complexes and a process for preparing the polymers and copolymers. The polymers and copolymers are used as toughening agents to modify polyurethanes, as a component of hot melt adhesives or as a lubricating oil component.

    摘要翻译： 由乙烯基芳族化合物和/或共轭二烯获得的均聚物，共聚物或嵌段共聚物，并通过具有末端酸基团或其盐的酰胺基在链末端进行功能修饰的这些聚合物的氢化产物，其含有式I，II的官能团的盐 III，IV或V其中N是氮，R1是烷基或芳基，R3是2元至20元的桥，其中 至少与氮原子相邻的成员由-C（R6，R7）基团组成，其中R6和R7各自为氢，烷基，环烷基或芳基，较远的成员不仅仅是-C（R6，R7）基团 但还可以是醚或N-烷基 - 或N-芳基亚氨基，R 2是二价有机基团，R 4，R 5，R 8和R 9各自是烷基或芳基或一起形成环状桥，X是COOH或SO 3 H或它们 盐或络合物和制备聚合物和共聚物的方法。 聚合物和共聚物用作增韧剂来改性聚氨酯，作为热熔粘合剂的组分或作为润滑油组分。

    Ethylene-propylene copolymers with an improved shape stability suitable for modifying lubricating oils and process for the preparation thereof
    10.
    发明授权
    Ethylene-propylene copolymers with an improved shape stability suitable for modifying lubricating oils and process for the preparation thereof 有权
    具有改善形状稳定性的乙烯 - 丙烯共聚物适用于改性润滑油及其制备方法

    公开(公告)号：US07208543B2

    公开(公告)日：2007-04-24

    申请号：US11203065

    申请日：2005-08-15

    申请人： Tiziano Tanaglia

    发明人： Tiziano Tanaglia

    IPC分类号： C08L53/02 ,  C10M107/14

    CPC分类号： C08F8/50 ,  Y10S525/938

    摘要： A process is described for the preparation of viscosity index improver (V.I.I.) additives which includes treatment under high shear conditions of a composition comprising (i) one or more EP(D)M polymers and (ii) one or more polyvinylarene/hydrogenated conjugated diene/polyvinylarene block copolymers, the weight ratio (i)/(ii) ranging from 98:2 to 80:20, preferably from 97:3 to 90:10, the above process being carried out at a temperature ranging from 150° C. to 400° C., preferably from 180° C. to 320° C.

    摘要翻译： 描述了制备粘度指数改进剂（VII）添加剂的方法，其包括在高剪切条件下处理组合物，所述组合物包含（i）一种或多种EP（D）M聚合物和（ii）一种或多种聚乙烯基芳烃/氢化共轭二烯 /聚乙烯基芳烃嵌段共聚物，重量比（i）/（ⅱ）的范围为98:2至80:20，优选为97:3至90:10，上述方法在150℃的温度下进行 至400℃，优选180℃至320℃