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    • 2. 发明申请
    • Silicon-containing olefin copolymer, crosslinkable rubber composition thereof, and use thereof
    • 含硅烯烃共聚物,其可交联橡胶组合物及其用途
    • US20050038214A1
    • 2005-02-17
    • US10499122
    • 2002-12-26
    • Keiji OkadaHidetatsu MurakamiTakashi HakutaMasaaki Kawasaki
    • Keiji OkadaHidetatsu MurakamiTakashi HakutaMasaaki Kawasaki
    • C08F210/02C08F210/06C08F210/16C08F210/18C08L23/08C08F30/08
    • C08F210/18C08F210/02C08F210/06C08F210/16C08L23/0823C08L2666/02C08F232/00C08F2500/25C08F2500/17C08F2500/09C08F236/20C08F2500/03
    • The first silicon-containing olefin copolymer of the present invention comprises (a) a constituent unit derived from —CH2—CH2—, (b) a constituent unit derived from —CH2—CHR— [R is a hydrocarbon group of 1 to 18 carbon atoms], and (c) a constituent unit containing a specific silicon-containing group, and has a molar ratio [(a)/(b)] of the constituent units (a) to the constituent units (b) of from 99/1 to 30/70, a content of the constituent unit (c) of from 0.1 to 10 mol % based on 100 mol % of the total amounts of the constituent units (a), (b) and (c), and a branching index of not less than 0.70. The second silicon-containing olefin copolymer of the present invention is obtainable by copolymerizing ethylene, an α-olefin of 3 to 20 carbon atoms and a specific silicon-containing ethylene monomer, and has a molar ratio of ethylene to α-olefin of from 99/1 to 30/70, an intrinsic viscosity, as measured in decalin at 135° C., of from 0.1 to 10 dl/g, a content of the ethylene monomer of from 0.1 to 10 mol % based on 100 mol % of the total amounts of ethylene, α-olefin and the ethylene monomer. These copolymers may be cross-linked and then submitted to use, and have a high cross-linking rate, excellent productivity, heat ageing properties, weathering resistance. They, further, can provide a rubber composition capable of preparing molded articles having excellent properties such as scratch resistance, resistance to compression set, electric properties and strength. They furthermore can provide sealing materials, potting materials, coating materials and adhesives made from the composition and also provide cross-linked articles of the composition.
    • 本发明的第一含硅烯烃共聚物包含(a)衍生自-CH 2 -CH 2 - 的构成单元,(b)衍生自-CH 2 -CHR-的结构单元[R是1至18碳的烃基 原子],(c)含有特定含硅基团的构成单元,构成单元(a)与构成单元(b)的摩尔比[(a)/(b)]为99 / 1〜30/70,构成单元(c)的含量相对于构成单元(a),(b)和(c)的总量的100摩尔%为0.1〜10摩尔%,分支 指数不低于0.70。 本发明的第二含硅烯烃共聚物可通过使乙烯,3-20个碳原子的α-烯烃和特定的含硅乙烯单体共聚而获得,并且乙烯与α-烯烃的摩尔比为99 / 1〜30/70,在135℃萘烷中测定的特性粘度为0.1〜10dl / g,乙烯单体的含量相对于100摩尔%为0.1〜10摩尔% 乙烯,α-烯烃和乙烯单体的总量。 这些共聚物可以交联,然后使用,具有高的交联速度,优异的生产率,热老化性能,耐候性。 它们还可以提供能够制备具有优异性能如耐刮擦性,耐压缩变形性,电性能和强度的模制品的橡胶组合物。 它们还可以提供由组合物制成的密封材料,灌封材料,涂料和粘合剂,并且还提供组合物的交联物品。
    • 6. 发明授权
    • Unconjugated cyclopolyene copolymer, rubber composition, and use
    • 未结合的环戊烯共聚物,橡胶组合物及用途
    • US06787623B1
    • 2004-09-07
    • US09787890
    • 2001-03-26
    • Hidetatsu MurakamiKeiji OkadaMasaaki KawasakiKotaro Ichino
    • Hidetatsu MurakamiKeiji OkadaMasaaki KawasakiKotaro Ichino
    • C08F23620
    • C08L21/00B60C1/0016C08F210/02C08F210/18C08L23/08C08L23/0823Y10T152/10495C08L2666/06C08L2666/04C08F236/20C08F2500/25C08F2500/17C08F210/06
    • A tire provided with a tire tread made from a rubber composition comprising (A) a random copolymer based on non-conjugated cyclic polyene comprising structural units originated from one or more &agr;-olefins (A1) and originated from one or more non-conjugated cyclic polyene (A2), the said random copolymer having a content of the structural unit(s) originated from one or more &agr;-olefins (A1) in the range of 93 to 70 mole %; a content of the structural unit originated from one or more non-conjugated cyclic polyene (A2) in the range of 7 to 30 mole %; an intrinsic viscosity [&eegr;], determined in decalin at 135° C., in the range of 0.01 to 20 dl/g; a glass transition temperature (Tg) of not higher than 40° C.; and an iodine value in the range of 50 to 150, and (B) a rubber based on diene, in a weight proportion of {the random copolymer based on non-conjugated cyclic polyene (A)} versus {the rubber based on diene (B)} in the range from 60/40 to 0.1/99.9 exhibits a superior braking performance and, compatible therewith, a superior driving fuel cost aspect.
    • 本发明提供一种轮胎胎面,其由橡胶组合物制成,该轮胎胎面由(A)基于非共轭环状多烯的无规共聚物构成,所述非共轭环多烯包含源自一种或多种α-烯烃(A1)的结构单元,并且源于一种或多种非共轭环 多烯(A2),所述无规共聚物具有来源于一种或多种α-烯烃(A1)的结构单元的含量在93-70摩尔%范围内; 来自一种或多种7-30摩尔%的非共轭环状多烯(A2)的结构单元的含量; 在135℃的萘烷中测定的特性粘度η在0.01至20dl / g的范围内; 玻璃化转变温度(Tg)不高于40℃; 碘值在50〜150范围内,(B)基于二烯的橡胶,以{非共轭环状多烯(A)}为基准的无规共聚物)与{基于二烯的橡胶 B)}在60/40至0.1 / 99.9的范围内表现出优异的制动性能,并且与其兼容,具有优异的驱动燃料成本方面。
    • 10. 发明授权
    • Ethylenic random copolymer, process for preparing the same, and rubber
composition
    • 乙烯无规共聚物,其制备方法和橡胶组合物
    • US6140441A
    • 2000-10-31
    • US983636
    • 1998-03-30
    • Takashi HakutaMikio HosoyaTetsuo TojoMasaaki Kawasaki
    • Takashi HakutaMikio HosoyaTetsuo TojoMasaaki Kawasaki
    • C08F4/68C08F210/18
    • C08F210/18
    • A process for preparing an ethylene/.alpha.-olefin/norbornene nonconjugated polyene random copolymer, comprising preparing an ethylene random copolymer simultaneously meeting the following requirements (1) to (5):(1) the molar ratio of ethylene (a) to an .alpha.-olefin (b) having 3 to 20 carbon atoms ranges from 40:60 to 95:5;(2) a given amount of non conjugated polyene (c) has a norbornene skeleton;(3) the available network chain density .nu. is not less than 1.5.times.10.sup.20 /cm.sup.3 after press cross-linking of the copolymer using a dicumyl peroxyde;(4) the ratio of the rate .gamma.1 of shear showing a shearing stress of 0.4.times.10.sup.6 dyn/cm.sup.2 as determined from the melt flow curve at 100.degree. C. and the rate .gamma.2 of shear showing a shearing stress of 2.4.times.10.sup.6 dyn/cm.sup.2, that is .gamma.2/.gamma.1 and the available network chain density .nu. has a relationship represented by the following general formula: 0.04.times.10.sup.-19 .ltoreq.Log(.gamma.2/.gamma.1)/.nu..ltoreq.0.20.times.10.sup.-19 ; and(5) the intrinsic viscosity [.eta.] ranges from 0.5 to 10 dl/g as measured in decalin at 135.degree. C. The copolymer has excellent cross-linkability, can be cross-linked with a small amount of a peroxide or the like, and a cross-linked rubber composition prepared using this copolymer has excellent heat aging resistance, mechanical strength, weather resistance, and oxone resistance.
    • PCT No.PCT / JP97 / 01815 Sec。 371日期1998年3月30日 102(e)1998年3月30日PCT PCT 1997年5月28日PCT公布。 公开号WO97 / 45466 日期1997年12月4日制备乙烯/α-烯烃/降冰片烯非共轭多烯无规共聚物的方法,包括同时制备满足以下要求(1)至(5)的乙烯无规共聚物:(1)乙烯 a)具有3至20个碳原子的α-烯烃(b)的范围为40:60至95:5; (2)给定量的非共轭多烯(c)具有降冰片烯骨架; (3)使用二枯基过氧化物压制交联共聚物后,可用的网络链密度nu不小于1.5×10 20 / cm 3; (4)从100℃的熔体流动曲线确定的剪切应力为剪切应力为0.4×10 6 dyn / cm 2的剪切速率γ1与剪切应​​力为2.4×10 6 dyn / cm 2,即γ2 /γ1,可用的网络链密度nu具有由以下通式表示的关系:0.04×10-19