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    Thermoplastic elastomers and process for making the same
    11.
    发明申请
    Thermoplastic elastomers and process for making the same 失效
    热塑性弹性体及其制造方法

    公开(公告)号：US20060052538A1

    公开(公告)日：2006-03-09

    申请号：US11259019

    申请日：2005-10-26

    申请人： Maria Ellul ,  Jianya Cheng

    发明人： Maria Ellul ,  Jianya Cheng

    IPC分类号： C08F8/00 ,  C08L9/00

    CPC分类号： C08L23/10 ,  C08F8/34 ,  C08F2810/20 ,  C08K3/04 ,  C08L21/00 ,  C08L23/12 ,  C08L23/16 ,  C08L91/005 ,  C08L2205/02 ,  C08L2312/00 ,  C08L2314/06 ,  C08L2666/04 ,  C08L2666/06 ,  C08F110/02

    摘要： A process for producing a thermoplastic elastomer composition, the process comprising synthesizing an elastomeric copolymer by polymerizing ethylene, an α-olefin, and optionally a diene monomer within the gas phase to thereby produce a gas-phase elastomeric copolymer, blending the gas-phase elastomeric copolymer with a thermoplastic polymer to form a mix of the elastomeric copolymer and thermoplastic polymer, and dynamically vulcanizing the gas-phase elastomeric copolymer within the mix of the elastomeric copolymer and thermoplastic polymer.

    摘要翻译： 一种制备热塑性弹性体组合物的方法，该方法包括通过在气相中聚合乙烯，α-烯烃和任选的二烯单体合成弹性体共聚物，从而产生气相弹性体共聚物，将气相弹性体共聚物 与热塑性聚合物共聚以形成弹性体共聚物和热塑性聚合物的混合物，并且在弹性共聚物和热塑性聚合物的混合物内动态硫化气相弹性体共聚物。

    Thermoplastic vulcanizates and processes for making the same
    12.
    发明授权
    Thermoplastic vulcanizates and processes for making the same 有权
    热塑性硫化胶及其制造方法

    公开(公告)号：US09296885B2

    公开(公告)日：2016-03-29

    申请号：US12851284

    申请日：2010-08-05

    申请人： Maria Dolores Ellul ,  Jianya Cheng

    发明人： Maria Dolores Ellul ,  Jianya Cheng

    IPC分类号： C08L23/00 ,  C08L23/16 ,  C08K5/14 ,  C08L23/10

    CPC分类号： C08L23/16 ,  C08K5/14 ,  C08L23/10 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2312/00 ,  C08L2666/06

    摘要： 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.

    摘要翻译： 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。

    Thermoplastic vulcanizates and processes for making the same
    13.
    发明授权
    Thermoplastic vulcanizates and processes for making the same 有权
    热塑性硫化胶及其制造方法

    公开(公告)号：US07868096B2

    公开(公告)日：2011-01-11

    申请号：US10571333

    申请日：2004-09-17

    申请人： Maria Dolores Ellul ,  Jianya Cheng

    发明人： Maria Dolores Ellul ,  Jianya Cheng

    IPC分类号： C08L23/00 ,  C08L45/00 ,  C08F8/00 ,  C08J3/00

    CPC分类号： C08L23/16 ,  C08K5/14 ,  C08L23/10 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2312/00 ,  C08L2666/06

    摘要： 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.

    摘要翻译： 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。

    Preparation of thermoplastic elastomers by dynamic vulcanization in multi-screw extruders
    14.
    发明授权
    Preparation of thermoplastic elastomers by dynamic vulcanization in multi-screw extruders 有权
    通过动态硫化在多螺杆挤出机中制备热塑性弹性体

    公开(公告)号：US07655728B2

    公开(公告)日：2010-02-02

    申请号：US11167339

    申请日：2005-06-27

    申请人： Hari P. Nadella ,  Jianya Cheng ,  Ronald DeYoung ,  Kuo-Shein Shen

    发明人： Hari P. Nadella ,  Jianya Cheng ,  Ronald DeYoung ,  Kuo-Shein Shen

    IPC分类号： C08L23/00 ,  C08L23/10 ,  C08F8/00

    CPC分类号： B29C47/38 ,  B29C47/0009 ,  B29C47/402 ,  B29C47/42 ,  B29C47/6031 ,  B29C47/605 ,  B29C47/6056 ,  C08L23/10 ,  C08L23/16 ,  C08L2312/08 ,  C08L2666/06

    摘要： The invention relates to a method of preparing a thermoplastic vulcanizate comprising: a) melt processing a blend of thermoplastic polymer and vulcanizable elastomer in a multi-screw extruder having at least three intermeshing screws, wherein said screws have 3-170 mixing zones, and said extruder having a L/D ratio of 15-100, and a screw profile that has 3 to 17 meshes per L/D; b) adding at least one curing agent to the melt-processed blend of a) in at least one location in the first 46% of the length of said extruder, or adding at least one curing agent to the melt-processed blend of a) in a second extruder, so as to initiate curing of the blend: and, curing at least partially said elastomer by reactive melt processing. Improved processing, reaction kinetics and efficiencies are achieved, as well as thermoplastic vulcanizate products having decreased weight gain when placed in mineral oils.

    摘要翻译： 本发明涉及一种制备热塑性硫化橡胶的方法，包括：a）在具有至少三个啮合螺钉的多螺杆挤出机中熔融加工热塑性聚合物和可硫化弹性体的共混物，其中所述螺杆具有3-170个混合区，并且所述 L / D比为15-100的挤出机和每L / D具有3至17目的螺杆型材; b）在所述挤出机的长度的前46％的至少一个位置向a）的熔融加工混合物中加入至少一种固化剂，或向熔融加工的混合物中加入至少一种固化剂，a） 在第二挤出机中，以引发共混物的固化;以及通过反应性熔体加工至少部分地固化所述弹性体。 实现了改进的加工，反应动力学和效率，以及当放置在矿物油中时具有降低的重量增加的热塑性硫化产品。

    Method for preparing thermoplastic vulcanizates with improved extrusion surfaces
    15.
    发明授权
    Method for preparing thermoplastic vulcanizates with improved extrusion surfaces 失效
    制备具有改进的挤压表面的热塑性硫化橡胶的方法

    公开(公告)号：US07655727B2

    公开(公告)日：2010-02-02

    申请号：US11297937

    申请日：2005-12-09

    申请人： Maria D. Ellul ,  Jianya Cheng

    发明人： Maria D. Ellul ,  Jianya Cheng

    IPC分类号： C08J3/18 ,  C08J3/20 ,  C08J3/24

    CPC分类号： B29C47/1063 ,  B29C47/0004 ,  B29C47/0009 ,  B29C47/1045 ,  B29K2021/00 ,  B29K2101/12 ,  B29K2105/0005 ,  B29K2105/0055 ,  B29K2105/16 ,  C08F8/50

    摘要： A process for the preparation of dynamically vulcanized thermoplastic elastomers comprising melt processing under shearing conditions in melt reaction extruder, A) at least one thermoplastic resin, B) at least one vulcanizable gas-phase elastomer having a Mooney viscosity (ML.sub.1+4(125° C.)) of from about 65 to about 450, C) a curing agent or agents, and D) process oil, wherein said process oil D) is added to the extruder in at least three oil injection positions located a) at least one location before or within the first 15% of the total length of the extruder; b) at least one other location prior to, at or within 10% total extruder length after the onset of the vulcanization of said gas-phase elastomer; and c) at least one location subsequent to the location of the point at which the vulcanization of said gas-phase elastomer is substantially completed.

    摘要翻译： 一种制备动态硫化热塑性弹性体的方法，包括在熔融反应挤出机中的剪切条件下的熔体加工，A）至少一种热塑性树脂，B）至少一种门尼粘度（ML1 + 4（125℃））为约65至约450，C）固化剂或试剂，和D）加工油，其中所述加工油D）在至少三个注油位置中加入到挤出机中 ）在挤出机的总长度的前15％之前或之内的至少一个位置; b）在所述气相弹性体硫化开始之前，期间或之内的10％总挤出机长度处的至少另一个位置; 和c）在基本上完成所述气相弹性体硫化的点的位置之后的至少一个位置。

    Thermoplastic vulcanizates and processes for making the same
    16.
    发明申请
    Thermoplastic vulcanizates and processes for making the same 有权
    热塑性硫化胶及其制造方法

    公开(公告)号：US20070043172A1

    公开(公告)日：2007-02-22

    申请号：US10571333

    申请日：2004-09-17

    申请人： Maria Ellul ,  Jianya Cheng

    发明人： Maria Ellul ,  Jianya Cheng

    IPC分类号： C08F8/00

    CPC分类号： C08L23/16 ,  C08K5/14 ,  C08L23/10 ,  C08L2205/02 ,  C08L2308/00 ,  C08L2312/00 ,  C08L2666/06

    摘要： 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.

    摘要翻译： 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。

    Thermoplastic elastomers having improved low temperature properties
    17.
    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％。

    Dynamic vulcanization process for preparing thermoplastic elastomers
    19.
    发明授权
    Dynamic vulcanization process for preparing thermoplastic elastomers 有权
    制备热塑性弹性体的动态硫化工艺

    公开(公告)号：US08653170B2

    公开(公告)日：2014-02-18

    申请号：US11375737

    申请日：2006-03-15

    申请人： Hari Prasad Nadella ,  Ronald DeYoung ,  Jianya Cheng

    发明人： Hari Prasad Nadella ,  Ronald DeYoung ,  Jianya Cheng

    IPC分类号： C08F8/00

    CPC分类号： C08L23/16 ,  C08L23/10 ,  C08L91/06 ,  C08L2312/00 ,  C08L2666/06

    摘要： Described in one aspect is a process for preparing a low durometer thermoplastic vulcanizate composition comprising melt blending one or more thermoplastic polymer(s) with a cross-linkable elastomer under conditions of dynamic vulcanization; adding at or after the start of the melt blending at least one curative agent for the elastomer so as to cross-link the elastomer during the melt blending; introducing process oil into the melt blending before, during and/or after the addition of the curative agent; and, extruding a fully crosslinked thermoplastic vulcanizate having a Shore A Hardness of less than 25.

    摘要翻译： 一方面描述了一种制备低硬度热塑性硫化橡胶组合物的方法，其包括在动态硫化条件下将一种或多种热塑性聚合物与可交联弹性体熔融共混; 在熔融共混开始时或之后添加至少一种用于弹性体的固化剂，以便在熔融共混期间使弹性体交联; 在加入治疗剂之前，期间和/或之后将加工油引入熔融共混中; 并且挤出具有小于25的肖氏A硬度的完全交联的热塑性硫化橡胶。