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    Olefin block copolymer, viscosity index improver for lubricating oils and lubricating oil composition
    1.
    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

    申请人： Keiji Okada ,  Shigenobu Ikenaga ,  Ryousuke Kaneshige ,  Tomoaki Matsugi ,  Shinichi Kojoh ,  Terunori Fujita

    发明人： Keiji Okada ,  Shigenobu Ikenaga ,  Ryousuke Kaneshige ,  Tomoaki Matsugi ,  Shinichi Kojoh ,  Terunori Fujita

    IPC分类号： C08F255/04 ,  C08F210/02 ,  C08F210/06 ,  C10M107/04

    CPC分类号： C10M143/04 ,  C08F210/06 ,  C08F210/16 ,  C08F297/08 ,  C08F297/083 ,  C08L53/00 ,  C10M143/02 ,  C08F2/001 ,  C08L2666/02 ,  C08F2500/03 ,  C08F2500/17

    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。

    Viscosity modifier for lubricating oil and lubricating oil composition
    2.
    发明授权
    Viscosity modifier for lubricating oil and lubricating oil composition 有权
    润滑油和润滑油组成的粘度调节剂

    公开(公告)号：US06589920B2

    公开(公告)日：2003-07-08

    申请号：US09964485

    申请日：2001-09-28

    申请人： Keiji Okada ,  Ryousuke Kaneshige

    发明人： Keiji Okada ,  Ryousuke Kaneshige

    IPC分类号： C07C900

    CPC分类号： C10M143/02 ,  C08F210/16 ,  C10M143/00 ,  C10M2205/00 ,  C10M2205/02 ,  C10M2205/022 ,  C10M2205/04 ,  C10M2209/084 ,  C10M2209/086 ,  C10N2220/02 ,  C10N2230/02 ,  C08F2500/03 ,  C10M2205/024

    摘要： The lubricating oil composition of the invention comprises a lubricating oil base (A) and a copolymer (B) of ethylene and an &agr;-olefin of 3 to 20 carbon atoms. The copolymer (B) of ethylene and an &agr;-olefin of 3 to 20 carbon atoms is contained in the composition in an amount of 1 to 20% by weight and has the following properties: (1) the ethylene content (E) is in the range of 40 to 77% by weight, (2) the weight-average molecular weight (Mw) in terms of polystyrene, as measured by GPC, is in the range of 80,000 to 400,000, (3) Mw/Mn is not more than 2.4, (4) the melting point (Tm), as measured by DSC, is not higher than 60° C., (5) the ethylene content (E, % by weight) and the melting point (Tm, ° C.), as measured by DSC, satisfy the following relation (I): 3.31×E−186≧Tm  (I), and (6) the intensity ratio, S&agr;&bgr;/S&agr;&agr;, measured by 13C-NMR spectrum is not more than 0.5.

    摘要翻译： 本发明的润滑油组合物包含乙烯和3-20个碳原子的α-烯烃的润滑油基料（A）和共聚物（B）。 乙烯和3〜20个碳原子的α-烯烃的共聚物（B）的含量为1〜20重量％，具有以下性质：（1）乙烯含量（E）为 40〜77重量％的范围，（2）通过GPC测定的聚苯乙烯换算重量平均分子量（Mw）在80,000〜400,000的范围内，（3）Mw / Mn不大 超过2.4，（4）通过DSC测量的熔点（Tm）不高于60℃，（5）乙烯含量（E，重量％）和熔点（Tm，℃） ）通过DSC测量满足以下关系式（I）：（6）通过13 C-NMR光谱测定的浓度比Salimuma / Salphaalpha不大于0.5。

    Lubricating oil composition and internal combustion engine oil
    3.
    发明申请
    Lubricating oil composition and internal combustion engine oil 有权
    润滑油组成和内燃机油

    公开(公告)号：US20060122079A1

    公开(公告)日：2006-06-08

    申请号：US10534580

    申请日：2003-11-11

    申请人： Ryousuke Kaneshige ,  Keiji Okada ,  Masaaki Kawasaki ,  Satoshi Ikeda

    发明人： Ryousuke Kaneshige ,  Keiji Okada ,  Masaaki Kawasaki ,  Satoshi Ikeda

    IPC分类号： C10M143/04 ,  C10M107/06

    CPC分类号： C10M107/06 ,  C10M2205/022 ,  C10N2220/02 ,  C10N2220/021 ,  C10N2220/022 ,  C10N2230/02 ,  C10N2230/06 ,  C10N2230/08 ,  C10N2240/04 ,  C10N2240/08 ,  C10N2240/10 ,  C10M2205/024

    摘要： The present invention provides a lubricating oil composition having excellent low temperature viscosity properties suitable for engine oils for automobiles and industries, gear oils, shock absorber oils, hydraulic fluids and it also provides a lubricating oil for internal-combustion engines formed from the composition. The lubricating oil composition comprises; a lubricating oil base (A) having a kinematic viscosity at 100° C. of 1 to 50 mm2/s and a viscosity index of not less than 80, an ethylene•propylene copolymer (B) having the following properties (B1) to (B4) such that (B1) the ethylene content is from 30 to 75% by weight, (B2) the intrinsic viscosity [η] is from 1.3 to 2.0 dl/g, (B3) the Mw/Mn is not more than 2.4 and (B4) the melting point as measured with DSC is not higher than 30° C., and optionally a pour point depressant (C).

    摘要翻译： 本发明提供一种具有优异的低温粘度性能的润滑油组合物，其适用于汽车和工业用发动机油，齿轮油，减震器油，液压油，并且还提供由该组合物形成的内燃机的润滑油。 润滑油组合物包含： 在100℃下的运动粘度为1〜50mm 2 / s，粘度指数为80以上的润滑油基材（A），乙烯 - 丙烯共聚物（B）具有 （B1）至（B4）的特性粘度η为1.3〜2.0dl / g，（B1）乙烯含量为（B）为30〜75重量％，（B 2） / Mn不大于2.4，（B4）用DSC测得的熔点不高于30℃，任选地是倾点下降剂（C）。

    Viscosity modifier for lubricating oil and lubricating oil composition
    4.
    发明授权
    Viscosity modifier for lubricating oil and lubricating oil composition 有权
    润滑油和润滑油组成的粘度调节剂

    公开(公告)号：US06525007B2

    公开(公告)日：2003-02-25

    申请号：US09876865

    申请日：2001-06-08

    申请人： Keiji Okada ,  Ryousuke Kaneshige

    发明人： Keiji Okada ,  Ryousuke Kaneshige

    IPC分类号： C07C900

    CPC分类号： C10M177/00 ,  C10M143/02 ,  C10M143/04 ,  C10M157/00 ,  C10M171/00 ,  C10M2205/00 ,  C10M2205/022 ,  C10M2205/024 ,  C10N2220/02

    摘要： The present invention is intended to obtain a viscosity modifier for a lubricating oil, by the use of which a lubricating oil composition of excellent low-temperature properties can be obtained, and to obtain a lubricating oil composition of excellent low-temperature properties containing the viscosity modifier. The viscosity modifier for a lubricating oil comprises an ethylene/propylene copolymer (A) having the properties: the density is in the range of 857 to 882 kg/m3, Mw is in the range of 80,000 to 400,000, Mw/Mn is not more than 2.3, and the density (D (kg/m3)) and the melting point (Tm (° C.)) satisfy the relation Tm≦1.247×D−1037; or comprises an ethylene/propylene copolymer (B) having the properties: the ethylene content is in the range of 70 to 79 wt %, Mw is not less than 80,000 and less than 250,000, Mw/Mn is not more than 2.3, Tm is in the range of 15 to 60° C., and the ethylene content (E (wt %)) and the melting point (Tm (° C.)) satisfy the relation 3.44×E−206≧Tm; or comprises an ethylene/propylene copolymer (C) having the properties: the ethylene content is in the range of 70 to 79 wt %, Mw is in the range of 250,000 to 400,000, Mw/Mn is not more than 2.3, Tm is in the range of 15 to 60° C., and the ethylene content (E (wt %)) and the melting point (Tm (° C.)) satisfy the relation 3.44×E−204≧Tm. The lubricating oil composition comprises the ethylene/propylene copolymer (A) (B) or (C), a lubricating oil base (D), and if necessary, a pour point depressant.

    摘要翻译： 本发明旨在获得润滑油的粘度调节剂，通过使用可以获得具有优异的低温性能的润滑油组合物，并获得含有粘度的优异的低温性能的润滑油组合物 修饰语。 用于润滑油的粘度调节剂包括具有以下性质的乙烯/丙烯共聚物（A）：密度在857-882kg / m 3的范围内，Mw在80,000至400,000范围内，Mw / Mn不大 （D（kg / m3））和熔点（Tm（℃））满足Tm <= 1.247×D-1037的关系; 或包含乙烯/丙烯共聚物（B），其乙烯含量在70至79重量％范围内，Mw不小于80,000且小于250,000，Mw / Mn不大于2.3，Tm为 在15〜60℃的范围内，乙烯含量（E（wt％））和熔点（Tm（℃））满足关系3.44×E-206> = Tm; 或包含具有以下性质的乙烯/丙烯共聚物（C）：乙烯含量在70至79重量％的范围内，Mw在250,000至400,000的范围内，Mw / Mn不大于2.3，Tm在 15〜60℃的范围和乙烯含量（E（重量％））和熔点（Tm（℃））满足关系3.44×E-204> = Tm。 润滑油组合物包含乙烯/丙烯共聚物（A）（B）或（C），润滑油基料（D），如果需要，还含有倾点降低剂。

    Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oil compositions
    9.
    发明授权
    Viscosity modifier for lubricating oils, additive composition for lubricating oils, and lubricating oil compositions 有权
    用于润滑油的粘度调节剂，用于润滑油的添加剂组合物和润滑油组合物

    公开(公告)号：US07820607B2

    公开(公告)日：2010-10-26

    申请号：US11662139

    申请日：2005-09-08

    申请人： Akihiro Matsuda ,  Ryousuke Kaneshige ,  Satoshi Ikeda ,  Keiji Okada

    发明人： Akihiro Matsuda ,  Ryousuke Kaneshige ,  Satoshi Ikeda ,  Keiji Okada

    IPC分类号： C10M143/00

    CPC分类号： C08F210/06 ,  C08F4/65908 ,  C08F4/65912 ,  C08F210/16 ,  C08F2420/02 ,  C10M143/06 ,  C10M143/08 ,  C10M2203/1006 ,  C10M2205/022 ,  C10N2220/021 ,  C10N2220/022 ,  C10N2230/02 ,  C08F4/6592 ,  C08F210/14 ,  C08F2500/17 ,  C08F2500/03 ,  C08F2500/20 ,  C10M2205/026 ,  C10M2205/024 ,  C10M2205/028

    摘要： A viscosity modifier for lubricating oils or an additive composition for lubricating oils, which is excellent in oil-thickening properties and can provide lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures; and lubricating oil compositions excellent in low-temperature characteristics and handleability at low temperatures. The viscosity modifier comprises an ethylene/α-olefin copolymer (B) which comprises (i) a structural unit derived from ethylene, (ii) a structural unit derived from an α-olefin having 3 to 19 carbon atoms, and (iii) a structural unit derived from a higher α-olefin having 4 to 20 carbon atoms whose carbon number is by one or more larger than that of the α-olefin having the unit (ii) which has the following properties of (1) and (2): (1) the contents of units (i), (ii) and (iii) are 25-49 mol %, 15-55 mol %, and 9-40 mol % respectively (with the proviso that the total of the units (i), (ii), and (iii) is 100 mol %) and (2) the intrinsic viscosity [η] is 0.5 to 5.0 dl/g.

    摘要翻译： 一种用于润滑油的粘度调节剂或润滑油添加剂组合物，其油增稠性能优异，并且可以提供低温特性和低温处理性优异的润滑油组合物; 以及在低温下具有优异的低温特性和可操作性的润滑油组合物。 粘度调节剂包括乙烯/α-烯烃共聚物（B），其包含（i）衍生自乙烯的结构单元，（ii）衍生自具有3至19个碳原子的α-烯烃的结构单元，和（iii） 具有碳原子数为1以上的具有碳原子数4〜20的高级α-烯烃的结构单元比具有（1）和（2）的以下性质的具有单元（ⅱ）的α-烯烃的碳原子数为1以上， ：（1）单位（i），（ii）和（iii）的含量分别为25-49mol％，15-55mol％和9-40mol％（条件是单位（ i），（ii）和（iii）为100摩尔％）和（2）特性粘度[ηe]为0.5〜5.0dl / g。