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    Thermoplastic elastomers having improved low temperature properties
    2.
    发明授权
    Thermoplastic elastomers having improved low temperature properties 有权
    具有改善的低温性能的热塑性弹性体

    公开(公告)号：US06939918B2

    公开(公告)日：2005-09-06

    申请号：US10204241

    申请日：2001-03-23

    申请人： Maria D. Ellul ,  Sudhin Datta ,  Jianya Cheng ,  Paul McDaniel ,  Kang-Bo Wang

    发明人： Maria D. Ellul ,  Sudhin Datta ,  Jianya Cheng ,  Paul McDaniel ,  Kang-Bo Wang

    IPC分类号： C08L23/10 ,  C08L23/16 ,  C08L9/00

    CPC分类号： C08L23/16 ,  C08K3/346 ,  C08L23/10 ,  C08L23/12 ,  C08L61/06 ,  C08L91/00 ,  C08L2205/03 ,  C08L2207/04 ,  C08L2312/00 ,  C08L2666/06 ,  C08L2666/02

    摘要： The present invention provides a thermoplastic vulcanizate prepared by a process comprising the steps of dynamically vulcanizing rubber within a blend that includes the rubber and a thermoplastic resin, where the rubber comprises an elastomeric copolymer of ethylene, at least one α-olefin, and optionally one or more diene monomers, where the elastomeric copolymer is characterized by having a crystallinity, as measured by differential scanning calorimetry, of less than 10 J/g, an ethylene content that is less than 90 mole percent based upon the entire copolymer, a weight average molecular weight that is greater than about 20,000 as measured by GPC with polystyrene standards, a molecular weight distribution that is less than 7, and an ethylene compositional distribution that is less than about 4 percent for the closest 90 percent of fractioned samples.

    摘要翻译： 本发明提供了一种通过包括以下步骤制备的热塑性硫化橡胶，该方法包括在包括橡胶和热塑性树脂的共混物内动态硫化橡胶，其中橡胶包括乙烯，至少一种α-烯烃和任选的一种 或更多的二烯单体，其中弹性体共聚物的特征在于通过差示扫描量热法测量的结晶度小于10J / g，基于整个共聚物的乙烯含量小于90摩尔％，重均分子量 分子量大于约20,000，通过GPC用聚苯乙烯标准品测定，分子量分布小于7，乙烯组分分布对于最接近90％的分馏样品小于约4％。

    Thermoplastic vulcanizates having improved fabricability
    5.
    发明授权
    Thermoplastic vulcanizates having improved fabricability 有权
    具有改进的可加工性的热塑性硫化橡胶

    公开(公告)号：US07829623B2

    公开(公告)日：2010-11-09

    申请号：US11251516

    申请日：2005-10-14

    申请人： Trazollah Ouhadi ,  Kang-Bo Wang

    发明人： Trazollah Ouhadi ,  Kang-Bo Wang

    IPC分类号： C09B67/00 ,  C08K5/00 ,  C08L23/00

    CPC分类号： C08L23/10 ,  C08L21/00 ,  C08L23/0815 ,  C08L23/14 ,  C08L23/16 ,  C08L2205/22 ,  C08L2312/00 ,  C08L2666/06

    摘要： A TPV composition having improved fabricability and surface appearance is achieved by a process for preparing a thermoplastic vulcanizate composition having a dispersed, cross-linked rubber phase in a continuous thermoplastic polypropylene phase comprising: a) providing into melt processing equipment at least the following components; i) at least one thermoplastic polypropylene homopolymer or copolymer having a melt temperature greater than 120° C.; ii) 6-12 wt. %, based on the total weight of the thermoplastic vulcanizate composition, at least one propylene copolymer having from 7 to 30 wt. % ethylene, based upon the weight of the random propylene copolymer, and a melting point less than 120° C.; iii) at least one cross-linkable rubber, where, if including an ethylene copolymer rubber, said copolymer rubber having equal to or more than 40 wt. % the total copolymer rubber weight; b) melt processing the blend of i), ii), and iii) of a); c) dynamically vulcanizing the cross-linkable rubber iii) in the presence of the thermoplastic i) and random copolymer ii); and d) removing a thermoplastic vulcanizate product of c) from the melt processing equipment, wherein the dispersed, cross-linked rubber phase of the product thermoplastic vulcanizate d) consists of particles having an effective diameter not greater than 2 millimicrons.

    摘要翻译： 具有改进的可制造性和表面外观的TPV组合物通过制备在连续热塑性聚丙烯相中具有分散的交联橡胶相的热塑性硫化橡胶组合物的方法实现，该方法包括：a）至少提供以下组分的熔融加工设备; i）至少一种熔体温度大于120℃的热塑性聚丙烯均聚物或共聚物; ii）6-12重量％ ％，基于热塑性硫化橡胶组合物的总重量，至少一种丙烯共聚物为7〜30wt。 ％乙烯，基于无规丙烯共聚物的重量，熔点低于120℃。 iii）至少一种可交联橡胶，其中如果包括乙烯共聚物橡胶，所述共聚物橡胶具有等于或大于40wt。 总共共聚物橡胶重量％ b）熔融加工a），ii）和iii）的混合物; c）在热塑性i）和无规共聚物ii）的存在下动态硫化可交联橡胶iii） 和d）从熔融加工设备中除去c）的热塑性硫化产品，其中产物热塑性硫化橡胶的分散的交联橡胶相d）由有效直径不大于2毫微子的颗粒组成。

    Thermoplastic vulcanizates having improved fabricability
    6.
    发明申请
    Thermoplastic vulcanizates having improved fabricability 有权
    具有改进的可加工性的热塑性硫化橡胶

    公开(公告)号：US20060100347A1

    公开(公告)日：2006-05-11

    申请号：US11251516

    申请日：2005-10-14

    申请人： Trazollah Ouhadi ,  Kang-Bo Wang

    发明人： Trazollah Ouhadi ,  Kang-Bo Wang

    IPC分类号： C09B67/00

    CPC分类号： C08L23/10 ,  C08L21/00 ,  C08L23/0815 ,  C08L23/14 ,  C08L23/16 ,  C08L2205/22 ,  C08L2312/00 ,  C08L2666/06

    摘要： A TPV composition having improved fabricability and surface appearance is achieved by a process for preparing a thermoplastic vulcanizate composition having a dispersed, cross-linked rubber phase in a continuous thermoplastic polypropylene phase comprising: a) providing into melt processing equipment at least the following components; i) at least one thermoplastic polypropylene homopolymer or copolymer having a melt temperature greater than 120° C.; ii) 6-12 wt. %, based on the total weight of the thermoplastic vulcanizate composition, at least one propylene copolymer having from 7 to 30 wt. % ethylene, based upon the weight of the random propylene copolymer, and a melting point less than 120° C.; iii) at least one cross-linkable rubber, where, if including an ethylene copolymer rubber, said copolymer rubber having equal to or more than 40 wt. % the total copolymer rubber weight; b) melt processing the blend of i), ii), and iii) of a); c) dynamically vulcanizing the cross-linkable rubber iii) in the presence of the thermoplastic i) and random copolymer ii); and d) removing a thermoplastic vulcanizate product of c) from the melt processing equipment, wherein the dispersed, cross-linked rubber phase of the product thermoplastic vulcanizate d) consists of particles having an effective diameter not greater than 2 millimicrons.

    摘要翻译： 具有改进的可制造性和表面外观的TPV组合物通过制备在连续热塑性聚丙烯相中具有分散的交联橡胶相的热塑性硫化橡胶组合物的方法实现，该方法包括：a）至少提供以下组分的熔融加工设备; i）至少一种熔体温度大于120℃的热塑性聚丙烯均聚物或共聚物; ii）6-12重量％ ％，基于热塑性硫化橡胶组合物的总重量，至少一种丙烯共聚物为7〜30wt。 ％乙烯，基于无规丙烯共聚物的重量，熔点低于120℃。 iii）至少一种可交联橡胶，其中如果包括乙烯共聚物橡胶，所述共聚物橡胶具有等于或大于40wt。 总共共聚物橡胶重量％ b）熔融加工a），ii）和iii）的混合物; c）在热塑性i）和无规共聚物ii）的存在下动态硫化可交联橡胶iii） 和d）从熔融加工设备中除去c）的热塑性硫化产品，其中产物热塑性硫化橡胶的分散的交联橡胶相d）由有效直径不大于2毫微子的颗粒组成。

    Vapor phase nitration of aromatic compounds
    7.
    发明授权
    Vapor phase nitration of aromatic compounds 失效
    芳香族化合物的气相硝化

    公开(公告)号：US4415744A

    公开(公告)日：1983-11-15

    申请号：US313522

    申请日：1981-10-21

    申请人： Ignatius Schumacher ,  Kang-Bo Wang

    发明人： Ignatius Schumacher ,  Kang-Bo Wang

    IPC分类号： B01J27/02 ,  B01J29/06 ,  B01J37/20 ,  C07B43/02 ,  C07C201/08 ,  C07C205/06 ,  C07C205/12 ,  C07C205/37 ,  C07C205/57 ,  C07C79/46

    CPC分类号： B01J37/20 ,  B01J27/02 ,  B01J29/06 ,  C07B43/02 ,  C07C201/08

    摘要： Aromatic compounds are nitrated in the vapor phase via a process comprising contacting the aromatic compound with a nitrating agent in the presence of a nitration promotion catalyst which comprises the adduct of:(a) an alumina-silica-metal oxide combination represented by the formula:(Al.sub.2 O.sub.3).sub.a (SiO.sub.2).sub.b (M.sub.2/n O).sub.c wherein M is a metal cation selected from the group consisting of the lanthanides or rare earths, Groups 1b, 2b, 5b, 6b, 7b, and 8 of the Periodic Table of the Elements, and mixtures thereof, and a, b, and c represent weight percent of the Al.sub.2 O.sub.3, SiO.sub.2, and M.sub.2/n O components, respectively, in the alumina-silica-metal oxide combination, with a being 0 to 100, b being 0 to 100, and c being 0 to 50, and n represents an integer from 1 to 7 of the valence of the metal cation, with the proviso that the sum of (a+b) must be greater than 0, and(b) a catalytically effective amount of sulfur trioxide.

    摘要翻译： 芳族化合物在气相中通过包括在硝化促进催化剂存在下使芳族化合物与硝化剂接触的方法进行硝化，所述催化剂包含以下加合物：（a）由下式表示的氧化铝 - 二氧化硅 - 金属氧化物组合： （Al 2 O 3）a（SiO 2）b（M2 / nO）c其中M是选自镧系元素或稀土的金属阳离子，元素周期表的第1b，2b，5b，6b，7b和8族 元素及其混合物，a，b和c分别表示氧化铝 - 二氧化硅 - 金属氧化物组合中的Al 2 O 3，SiO 2和M 2 / NO组分的重量百分比，其中0至100，b为 0〜100，c为0〜50，n表示金属阳离子的化合价的1〜7的整数，条件是（a + b）之和必须大于0，（b） 催化有效量的三氧化硫。

    Catalysts
    8.
    发明授权
    Catalysts 失效
    催化剂

    公开(公告)号：US4407729A

    公开(公告)日：1983-10-04

    申请号：US313519

    申请日：1981-10-21

    申请人： Ignatius Schumacher ,  Kang-Bo Wang

    发明人： Ignatius Schumacher ,  Kang-Bo Wang

    IPC分类号： B01J27/02 ,  B01J29/06 ,  B01J37/20 ,  C07B43/02 ,  C07B61/00 ,  C07C67/00 ,  C07C201/00 ,  C07C201/08 ,  C07C205/06 ,  C07C205/11 ,  C07C205/12 ,  C07C205/37 ,  C07C205/57 ,  C07C205/59 ,  B01J21/04 ,  B01J27/24

    CPC分类号： B01J37/20 ,  B01J27/02 ,  B01J29/06 ,  C07B43/02 ,  C07C201/08

    摘要： Catalyst compositions are prepared by contacting an alumina-silica-metal oxide combination represented by the formula:(Al.sub.2 O.sub.3).sub.a (SiO.sub.2).sub.b (M.sub.2/n O).sub.cwherein M is a metal cation selected from the group consisting of the lanthanides of rare earths, Groups 1b, 2b, 5b, 6b, 7b, and 8 of the Periodic Table of the Elements, and mixtures thereof, and a, b, and c represent weight percent of the Al.sub.2 O.sub.3, SiO.sub.2, M.sub.2/n O components, respectively, in the alumina-silica-metal oxide combination, with a being 0 to 100, b being O to 100, and c being 0 to 50, and n represents an integer from 1 to 7 of the valence of the metal cation, with the proviso that the sum of a+b) must be greater than 0, with a catalytically effective amount of sulfur trioxide.

    摘要翻译： 催化剂组合物通过使由式（Al 2 O 3）a（SiO 2）b（M2 / nO）c表示的氧化铝 - 二氧化硅 - 金属氧化物组合物接触来制备：其中M是选自稀土镧系元素的金属阳离子 元素周期表第1b，2b，5b，6b，7b和8族及其混合物，a，b和c分别表示Al 2 O 3，SiO 2，M 2 / NO组分的重量百分数， 氧化铝 - 二氧化硅 - 金属氧化物组合，其为0〜100，b为0〜100，c为0〜50，n表示金属阳离子的价数的1〜7的整数，条件是 a + b）的总和必须大于0，具有催化有效量的三氧化硫。