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    • 61. 发明授权
      US09388305B2 Thermoplastic elastomer composition and molded article thereof 有权
    • Thermoplastic elastomer composition and molded article thereof
    • 热塑性弹性体组合物及其模制品
    • US09388305B2
    • 2016-07-12
    • US14733317
    • 2015-06-08
    • SUMITOMO CHEMICAL COMPANY, LIMITED
    • Shun Takahashi
    • C08L23/00 , C08L23/12
    • C08L23/12 , C08L2205/02 , C08L2205/03 , C08L2205/035 , C08L2207/04 , C08L23/142 , C08L23/16
    • The thermoplastic elastomer composition includes (A) a polypropylene resin, (B) a non-conjugated diene copolymer having a Mooney viscosity (ML1+4, 125° C.) of 40 to 85 and a molecular weight distribution of 1.5 to 3.0 and whose eluted amount at −15° C. measured by cross-fractionation chromatography is 50% to 99.9% of the overall eluted amount, and (C) an ethylene copolymer having a Mooney viscosity (ML1+4, 125° C.) of 20 to 30 and a density of 0.850 g/cm3 to 0.890 g/cm3. The content of (A) is 40% by weight to 70% by weight. The combined content of (B) and (C) is 30% by weight to 60% by weight. The ratio of the content of (B) to the content of (C) is 1.1 to 20. The composition exhibits good dimension stability during its molding process. A molded article superior in tensile strength, low temperature impact resistance, and rigidity can be obtained from the composition.
    • 热塑性弹性体组合物包括（A）聚丙烯树脂，（B）门尼粘度（ML1 + 4，125℃）为40〜85，分子量分布为1.5〜3.0的非共轭二烯共聚物， 通过交叉分级色谱法测定的-15℃下的洗脱量为总洗脱量的50〜99.9％，（C）门尼粘度（ML1 + 4,125℃）为20〜 30，密度为0.850g / cm 3至0.890g / cm 3。 （A）的含量为40重量％〜70重量％。 （B）和（C）的组合含量为30重量％〜60重量％。 （B）的含量与（C）的含量的比例为1.1〜20。该组合物在其成型过程中表现出良好的尺寸稳定性。 可以从组合物中获得抗拉强度，耐低温冲击性和刚性优异的成型品。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 63. 发明授权
      US09296885B2 Thermoplastic vulcanizates and processes for making the same 有权
    • Thermoplastic vulcanizates and processes for making the same
    • 热塑性硫化胶及其制造方法
    • US09296885B2
    • 2016-03-29
    • US12851284
    • 2010-08-05
    • Maria Dolores Ellul , Jianya Cheng
    • Maria Dolores Ellul , Jianya Cheng
    • C08L23/00 , C08L23/16 , C08K5/14 , C08L23/10
    • C08L23/16 , C08K5/14 , C08L23/10 , C08L2205/02 , C08L2308/00 , C08L2312/00 , C08L2666/06
    • A process for producing thermoplastic vulcanizates, the process comprising (i) dynamically vulcanizing a rubber with a curative in a first stage, where the rubber is within a blend that includes the rubber, a thermoplastic resin, and the curative, where said step of dynamically vulcanizing occurs at a temperature at or above the melting point of the thermoplastic resin, where said step of dynamically vulcanizing employs a peroxide curative, and where said rubber includes polymeric units deriving from 5-vinyl-2-norbornene, (ii) continuing said step of dynamically vulcanizing to cause phase inversion of the blend to thereby convert the thermoplastic resin into a continuous phase, (iii) maintaining the blend at or above the melting point of the thermoplastic resin after the phase inversion, and (iv) introducing molten thermoplastic resin into the blend in a second stage, where said step of introducing molten thermoplastic resin occurs after phase inversion but before the blend is cooled to a temperature below the melting point of the thermoplastic resin.
    • 一种生产热塑性硫化橡胶的方法，该方法包括（i）在第一阶段中将橡胶与固化剂动态硫化，其中橡胶在包括橡胶，热塑性树脂和固化剂的共混物内，其中所述动态步骤 硫化在等于或高于热塑性树脂的熔点的温度下发生，其中所述动态硫化步骤使用过氧化物固化剂，并且其中所述橡胶包括衍生自5-乙烯基-2-降冰片烯的聚合单元，（ii）继续所述步骤 动态硫化以引起共混物的相转化，从而将热塑性树脂转化成连续相，（iii）在相转变后将共混物保持在或高于热塑性树脂的熔点，和（iv）引入熔融热塑性树脂 在第二阶段进入共混物，其中所述引入熔融热塑性树脂的步骤在相转化之后但在共混物冷却之前进行 o低于热塑性树脂熔点的温度。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 66. 发明授权
      US09187627B2 Polyethylene having faster crystallization rate and improved environmental stress cracking resistance 有权
    • Polyethylene having faster crystallization rate and improved environmental stress cracking resistance
    • 聚乙烯具有更快的结晶速率和改善的耐环境应力开裂性
    • US09187627B2
    • 2015-11-17
    • US12288826
    • 2008-10-23
    • Sameer D. Mehta
    • Sameer D. Mehta
    • C08L23/00 , C08L23/06 , C08L23/08
    • C08L23/0815 , C08L23/06 , C08L2205/03 , C08L2205/24 , C08L2666/02
    • Disclosed is a polyethylene composition having faster crystallization rate and improved environmental stress cracking resistance. The polyethylene composition comprises a multimodal polyethylene and a nucleating agent. The multimodal polyethylene comprises from 25 to 50 wt % of a low molecular weight ethylene homopolymer component, from 25 to 50 wt % of a medium molecular weight ethylene copolymer component and from 25 to 50 wt % of a high molecular weight ethylene copolymer component. The polyethylene composition has an environmental stress cracking resistance (ASTM D1693, Condition B in 100% Igepal) greater than or equal to 40 days and a crystallization half time less than or equal to 70% of the crystallization half time of the multimodal polyethylene without nucleating agent.
    • 公开了具有更快的结晶速率和改进的耐环境应力开裂性的聚乙烯组合物。 聚乙烯组合物包含多峰聚乙烯和成核剂。 多峰聚乙烯包含25至50重量％的低分子量乙烯均聚物组分，25至50重量％的中分子量乙烯共聚物组分和25至50重量％的高分子量乙烯共聚物组分。 聚乙烯组合物具有大于或等于40天的环境应力开裂性（ASTM D1693，条件B在100％Igepal中），并且结晶半衰期小于或等于多晶聚乙烯的无结晶半时间的70％ 代理商
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
    • 69. 发明授权
      US09127133B2 Polypropylene-based resin composition and film 有权
    • Polypropylene-based resin composition and film
    • 聚丙烯基树脂组合物和薄膜
    • US09127133B2
    • 2015-09-08
    • US12466496
    • 2009-05-15
    • Yukito Miyaguchi , Hideaki Hori
    • Yukito Miyaguchi , Hideaki Hori
    • C08L23/00 , C08J5/18 , C08L23/14
    • C08J5/18 , C08J2323/14 , C08L23/142 , C08L2205/02 , C08L2666/06
    • A polypropylene-based resin composition comprising 61 to 85% by weight of a copolymer (X) of propylene, α-olefin having 4 or more of carbon atoms and/or ethylene, in which a content of a constitutional unit derived from propylene is 86 to 97% by weight, a total of a content of a constitutional unit derived from ethylene and a content of a constitutional unit derived from α-olefin having 4 or more of carbon atoms is 3 to 14% by weight, provided that a total of the content of a constitutional unit derived from propylene, the content of a constitutional unit derived from ethylene and the content of a constitutional unit derived from α-olefin having 4 or more of carbon atoms is defined to be 100% by weight, 1 to 38% by weight of a copolymer (Y) of propylene and α-olefin having 4 or more of carbon atoms, in which a melting point is 115° C. or more, and a content of a constitutional unit derived from α-olefin having 4 or more of carbon atoms is 10 to 30% by weight, and 1 to 38% by weight of a copolymer (Z) of propylene and α-olefin having 4 or more of carbon atoms, in which a melting point is less than 115° C., and a content of a constitutional unit derived from α-olefin having 4 or more of carbon atoms is 30 to 40% by weight, wherein a total of the copolymer (X), the copolymer (Y) and the copolymer (Z) is defined to be 100% by weight.
    • 一种聚丙烯系树脂组合物，其含有丙烯共聚物（X）61〜85重量％，碳原子数为4以上的α-烯烃和/或乙烯，其中来自丙烯的结构单元的含量为86 至97重量％，衍生自乙烯的结构单元的含量和源自具有4个或更多个碳原子的α-烯烃的结构单元的含量的总量为3至14重量％，条件是总共 衍生自丙烯的结构单元的含量，衍生自乙烯的结构单元的含量和衍生自具有4个或更多个碳原子的α-烯烃的结构单元的含量定义为100重量％，1至38 丙烯与碳原子数为4以上的α-烯烃的共聚物（Y）的重量％，熔点为115℃以上，来自具有4个以上的α-烯烃的结构单元的含量 以上的碳原子为10〜30重量％，1〜38重量％ h的丙烯和具有4个或更多个碳原子的α-烯烃的共聚物（Z），其中熔点小于115℃，并且衍生自具有4个或更多个的α-烯烃的结构单元的含量 的碳原子数为30〜40重量％，其中共聚物（X），共聚物（Y）和共聚物（Z）的合计为100重量％。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
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