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    • 32. 发明申请
    • Vulcanized rubber molded product, method of producing the same, and use of the molded product
    • 硫化橡胶成型体及其制造方法以及成型品的使用
    • US20080015270A1
    • 2008-01-17
    • US11889305
    • 2007-08-10
    • Hidenari NakahamaMikio HosoyaMasaaki Kawasaki
    • Hidenari NakahamaMikio HosoyaMasaaki Kawasaki
    • C08J9/36C08J3/24E06B7/16
    • C08J3/245C08F8/34C08J2321/00C08F210/18
    • The present invention provides a vulcanized foamed rubber molded product which has surface smoothness equal to or higher than that of a non-foamed vulcanized rubber molded product, has excellent mechanical strength properties, compression set resistance and abrasion resistance and a non-foamed vulcanized rubber molded product which is superior in surface smoothness to a conventional non-foamed vulcanized rubber molded product and has excellent compression set resistance, mechanical strength properties and abrasion resistance, as well as a method of producing the same. The molded product of the present invention is characterized in that the amount of sulfur atoms present in the surface thereof is at least 1.2 times as high as the amount of sulfur atoms present in a cut face obtained by cutting the surface to a depth of 1.0 mm in the vertical direction. The method of producing comprises allowing droplets or spray of a liquid containing an elementary substance consisting of a non-oxygen element in the group VI in the periodic table to adhere to the surface of a non-vulcanized rubber composition containing an elemental sulfur and/or a sulfur compound as a crosslinking agent, and then vulcanizing or vulcanizing and foaming the composition.
    • 本发明提供一种具有等于或高于非发泡硫化橡胶成型体的表面光滑度的硫化泡沫橡胶成型体,具有优异的机械强度特性,耐压缩变形性和耐磨性,以及非发泡硫化橡胶成型体 表面平滑度优于常规非发泡硫化橡胶成型体的产品,其耐压缩变形性,机械强度特性和耐磨性优异,以及其制造方法。 本发明的成型体的特征在于,其表面存在的硫原子的量为通过将表面切割成1.0mm深度而获得的切割面中存在的硫原子的量的至少1.2倍 在垂直方向。 制造方法包括允许含有元素周期表第Ⅵ族中由非氧元素组成的元素的液体的液滴或喷雾剂粘附到含有元素硫的非硫化橡胶组合物的表面和/或 硫化合物作为交联剂,然后硫化或硫化和发泡组合物。
    • 33. 发明申请
    • Pellet comprising ethylene-alpha-olefin-non-conjugated polyene copolymer, method for producing thermoplastic elastomer, and method for producing pellet comprising ethylene-alpha-olefin-non-conjugated polyene copolymer
    • 包含乙烯-α-烯烃 - 非共轭多烯共聚物的颗粒,用于生产热塑性弹性体的方法,以及包含乙烯-α-烯烃 - 非共轭多烯共聚物
    • US20060142437A1
    • 2006-06-29
    • US10543593
    • 2004-03-12
    • Takashi HakutaYoshiharu KikuchiMasaaki Kawasaki
    • Takashi HakutaYoshiharu KikuchiMasaaki Kawasaki
    • C08K5/00C09B67/00
    • C08J3/24C08J2323/16C08K3/04C08K3/06C08K3/26C08K5/05C08K7/26C08L23/10C08L23/16C08L91/00C08L2312/00C08L2666/06
    • A pellet comprising 100 parts by weight of an ethylene/α-olefin/non-conjugated polyene copolymer (A) containing a constitutional unit derived from non-conjugated polyene represented by a specific Formula, 1 to 150 parts by weight of a plasticizer (B) relative to 100 parts by weight of the above (A), and 0 to 30 parts by weight of a thermoplastic resin (C) relative to 100 parts by weight of the above (A), is obtained, and a vulcanized rubber or a thermoplastic elastomer which does not cause blocking and has excellent crosslinking reactivity and thus excellent properties can be prepared therefrom. According to a process for preparation of a thermoplastic elastomer using the above-mentioned pellet, a thermoplastic elastomer having excellent compression set or dispersibility can be economically and efficiently prepared. In particular, since it can be prepared continuously using a twin screw extruder, the process is excellent from an industrial viewpoint. According to a process for preparation of a pellet of an ethylene copolymer rubber composition according to the invention, it is possible to obtain a copolymer pellet which has a low degree of crystallinity, does not cause blocking, has excellent crosslinking reactivity and has carbon-carbon double bonds of excellent crosslinking reactivity.
    • 包含100重量份含有由特定式表示的非共轭多烯衍生的结构单元的乙烯/α-烯烃/非共轭多烯共聚物(A),1〜150重量份增塑剂(B )相对于上述(A)的100重量份,相对于上述(A)相对于100重量份为0〜30重量份的热塑性树脂(C),硫化橡胶或 可以制备不引起阻塞并且具有优异的交联反应性和因此优异性能的热塑性弹性体。 根据使用上述颗粒制备热塑性弹性体的方法,可以经济有效地制备具有优异压缩永久变形或分散性的热塑性弹性体。 特别地,由于可以使用双螺杆挤出机连续制备,从工业的观点来看,该方法是优异的。 根据本发明的乙烯共聚物橡胶组合物的颗粒的制备方法,可以获得结晶度低,不引起粘连,具有优异的交联反应性并具有碳 - 碳的共聚物颗粒 双键具有优异的交联反应性。
    • 34. 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。
    • 35. 发明授权
    • Crosslinkable rubber compositions and uses thereof
    • 可交联橡胶组合物及其用途
    • US06743862B2
    • 2004-06-01
    • US10049888
    • 2002-02-19
    • Takashi HakutaMitsunao ArinoYoshiharu KikuchiMasaaki Kawasaki
    • Takashi HakutaMitsunao ArinoYoshiharu KikuchiMasaaki Kawasaki
    • C08F800
    • C08L23/16C08L83/04C08L83/00
    • The crosslinkable rubber composition is crosslinkable at room temperature, has a gelation time at room temperature of 30 days or less, and can prepare a crosslinked rubber sheet by crosslinking the composition at room temperature, wherein the crosslinked rubber sheet has a tensile elongation of 20% or more, and is free of cracks after treatment at 40° C. in a 50 pphm ozone concentration for 96 hr. Specifically, it comprises an ethylene/&agr;-olefin/non-conjugated polyene random copolymer rubber comprising a norbornene compound having a specific vinyl end group, an SiH group-containing compound, which has at least two SiH groups in one molecule, and optionally a platinum catalyst, a reaction inhibitor and/or a silane-coupling agent. The sealing, potting and coating materials and adhesives of the present invention comprise the above rubber composition.
    • 可交联橡胶组合物在室温下可交联,在室温下凝胶化时间为30天以下,并且可以通过在室温下交联组合物来制备交联橡胶片,其中交联橡胶片的拉伸伸长率为20% 以上,并且在50pphm臭氧浓度下在40℃下处理96小时后没有裂纹。 具体地说,它包括一种乙烯/α-烯烃/非共轭多烯无规共聚物橡胶,其包含具有特定乙烯基端基的降冰片烯化合物,含有SiH基的化合物,其在一个分子中具有至少两个SiH基团, 铂催化剂,反应抑制剂和/或硅烷偶联剂。 本发明的密封,灌封和涂覆材料和粘合剂包括上述橡胶组合物。
    • 36. 发明授权
    • Olefinic thermoplastic elastomer composition and method for producing the same
    • 烯烃类热塑性弹性体组合物及其制造方法
    • US06635705B2
    • 2003-10-21
    • US09986477
    • 2001-11-08
    • Yuichi ItohKyoko KobayashiAkira UchiyamaMasaaki Kawasaki
    • Yuichi ItohKyoko KobayashiAkira UchiyamaMasaaki Kawasaki
    • C08L2316
    • C08L23/02C08K5/01C08K5/02C08K5/14C08L23/0815C08L23/12C08L23/16C08L23/22C08L91/00C08L2205/02C08L2205/03C08L2207/04C08L2312/02C08L2314/06Y10S526/943C08L2666/04
    • The present invention relates to an olefinic thermoplastic elastomer composition which comprises a crystalline polyolefin resin (A), an ethylene-&agr;-olefin-non-conjugated polyene copolymer rubber (B) and at least on rubber (C) selected from polyisobutylene, butyl rubber and a propylene-ethylene copolymer rubber having a propylene content of 50 mol % or more or an ethylene-&agr;-olefin copolymer (D) having a density of 0.870 to 0.940 (g/cm3) and an ethylene content of 85 mol % or more, said ethylene-&agr;-olefin-non-conjugated polyene copolymer rubber (B) being crosslinked thermoplastic elastomer composition, being obtained by random copolymerization of ethylene, and &agr;-olefin having 3 to 20 carbon atoms and a non-conjugated polyene in the presence of a metallocene catalyst, (1) containing the unit (a) derived from the ethylene and the unit (b) derived from the &agr;-olefin in a molar ratio of 40/60 to 95/5 [(a)/(b)], (2) having an iodine value of 1 to 50 and (3) having an intrinsic viscosity [&eegr;] measured in decalin at 135° C. of 1.0 to 10 dl/g; and relates to a method for manufacturing the same.
    • 本发明涉及一种烯烃热塑性弹性体组合物,其包含结晶聚烯烃树脂(A),乙烯-α-烯烃 - 非共轭多烯共聚物橡胶(B)和至少在选自聚异丁烯,丁基橡胶 丙烯含量为50摩尔%以上的丙烯 - 乙烯共聚物橡胶或密度为0.870〜0.940(g / cm 3),乙烯含量为85摩尔的乙烯-α-烯烃共聚物(D) %以上,所述乙烯-α-烯烃 - 非共轭多烯共聚物橡胶(B)为交联热塑性弹性体组合物,其通过乙烯的无规共聚和具有3-20个碳原子的α-烯烃和非共轭多烯 在茂金属催化剂的存在下,(1)含有衍生自乙烯的单元(a)和衍生自α-烯烃的单元(b),摩尔比为40/60至95/5 [(a)/ (b)],(2)碘值为1〜50,(3)具有内嵌 在135℃萘烷中测得的粘度η为1.0-10dl / g; 涉及其制造方法。
    • 38. 发明授权
    • Heat-resistant rubber composition
    • 耐热橡胶组合物
    • US06346577B1
    • 2002-02-12
    • US09514161
    • 2000-02-28
    • Takashi HakutaTetsuo TojoMasaaki KawasakiMikio Hosoya
    • Takashi HakutaTetsuo TojoMasaaki KawasakiMikio Hosoya
    • C08F834
    • C08K5/14C08K5/0025C08L23/0815C08L2312/00C08L23/16C08L2666/04
    • The heat-resistant rubber composition of the invention is a vulcanizable composition comprising 100 parts by weight of a specific ethylene-&agr;-olefin-nonconjugated polyene copolymer rubber (A) composed of ethylene, an &agr;-olefin or 3 to 20 carbon atoms and a nonconjugated polyene which is a vinyl end group-containing norbornene compound, 0.2 to 5 parts by weight of an amine type anti-aging agent (C) and/or a hindered phenol type anti-aging agent (D), 1 to 10 parts by weight of a sulfur type anti-aging agent (E) and an organic peroxide (B). This heat-resistant rubber composition can provide a vulcanized rubber molded product showing not only excellent mechanical properties and electrical properties and but also prominently high thermal aging resistance.
    • 本发明的耐热橡胶组合物是一种可硫化组合物,其包含100重量份由乙烯,α-烯烃或3至20个碳原子组成的特定乙烯-α-烯烃 - 非共轭多烯共聚物橡胶(A)和 作为含有乙烯基端基的降冰片烯化合物的非共轭多烯,0.2〜5重量份的胺型防老化剂(C)和/或受阻酚型抗老化剂(D),1〜10重量份 硫类抗老化剂(E)和有机过氧化物(B)的重量。 该耐热橡胶组合物可以提供硫化橡胶模制产品,其不仅具有优异的机械性能和电性能,而且显示出高显着高的耐热老化性。