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公开(公告)号：US06573350B1
公开(公告)日：2003-06-03
申请号：US09461797
申请日：1999-12-15
IPC分类号： C08F464
CPC分类号： C08F210/16 , C08F4/65904 , C08F4/65908 , C08F4/65912 , C08F10/06 , C08F210/06 , Y10S526/943 , C08F4/65927 , C08F2500/03 , C08F2500/09
摘要： Branched ethylene-propylene compositions which have improved melt strength and shear thinning are provided. The weight average branching index g′ for the higher molecular weight region of the ethylene-propylene composition is less than 0.95. Additionally, a novel process is provided for efficiently producing a branched ethylene-propylene composition comprising: a) contacting propylene monomers and ethylene monomers in a reactor with an inert hydrocarbon solvent or diluent and a catalyst composition comprising one or more single site catalyst compounds capable of producing an ethylene-propylene polymer at a temperature from about 50° C. to about 180° C., wherein the ratio in the reactor of the propylene and ethylene monomers to the inert hydrocarbon solvent or diluent is less than 2.0, and further, wherein the propylene and ethylene monomers and the inert hydrocarbon solvent or diluent comprise no more than 90 percent of the total contents of the reactor; and b) recovering a branched ethylene-propylene composition, wherein the weight average branching index g′ for the higher molecular weight region of the ethylene-propylene composition is less than 0.95.
摘要翻译： 提供了具有改善的熔体强度和剪切稀化的分支乙烯 - 丙烯组合物。 乙烯 - 丙烯组合物的较高分子量区域的重均分支指数g'小于0.95。 另外，提供了一种有效生产支化乙烯 - 丙烯组合物的新方法，其包括：a）使反应器中的丙烯单体和乙烯单体与惰性烃溶剂或稀释剂和包含一种或多种单中心催化剂化合物的催化剂组合物接触， 在约50℃至约180℃的温度下生产乙烯 - 丙烯聚合物，其中丙烯和乙烯单体的反应器与惰性烃溶剂或稀释剂的比例小于2.0，此外，其中 丙烯和乙烯单体和惰性烃溶剂或稀释剂不超过反应器总含量的90％; 和b）回收支链乙烯 - 丙烯组合物，其中乙烯 - 丙烯组合物的较高分子量区域的重均分支指数g'小于0.95。
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公开(公告)号：US07005491B2
公开(公告)日：2006-02-28
申请号：US10603042
申请日：2003-06-24
申请人： Weiqing Weng , Eric J. Markel , Main Chang , Armenag H. Dekmezian , Palanisamy Arjunan , Olivier J. Georjon
发明人： Weiqing Weng , Eric J. Markel , Main Chang , Armenag H. Dekmezian , Palanisamy Arjunan , Olivier J. Georjon
CPC分类号： C08F210/18 , C08F4/65912 , C08F4/65916 , C08F210/06 , C08F4/65927 , C08F2500/03 , C08F2500/12 , C08F236/20
摘要： A method of lowering MFR response of a high melt flow rate polymer producing metallocene catalyst is provided. The method includes contacting the metallocene catalyst with a sufficient quantity of α,ω-diene monomer such that when the catalyst composition is contacted with polymerizable reactants under suitable polymerization conditions, the resulting polymer has an MFR rate in the range of 0.1 to 19. Hydrogen and ethylene may also be present in the polymerization. Additionally a catalyst composition is provided which includes a high melt flow rate polymer producing metallocene catalyst and a sufficient quantity of α,ω-diene monomers such that when the catalyst composition is contacted with a monomer under polymerization conditions, the resulting polymer has an MFR rate in the range of 0.1 to 19.
摘要翻译： 提供了一种降低高熔体流动速率聚合物生产茂金属催化剂的MFR响应的方法。 该方法包括使茂金属催化剂与足够量的α，ω-二烯单体接触，使得当催化剂组合物在合适的聚合条件下与可聚合反应物接触时，所得聚合物的MFR率在0.1至19的范围内。氢 并且乙烯也可以存在于聚合中。 此外，提供了一种催化剂组合物，其包括高熔体流动速率的聚合物产生茂金属催化剂和足够量的α，ω-二烯单体，使得当催化剂组合物在聚合条件下与单体接触时，所得聚合物的MFR 在0.1至19的范围内。
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3.发明授权公开(公告)号：US06569965B2
公开(公告)日：2003-05-27
申请号：US10278666
申请日：2002-10-23
IPC分类号： C08F464
CPC分类号： C08F210/16 , C08F4/65904 , C08F4/65908 , C08F4/65912 , C08F10/06 , C08F210/06 , Y10S526/943 , C08F4/65927 , C08F2500/03 , C08F2500/09
摘要： Branched ethylene-propylene compositions which have improved melt strength and shear thinning are provided. The weight average branching index g′ for the higher molecular weight region of the ethylene-propylene composition is less than 0.95. Additionally, a novel process is provided for efficiently producing a branched ethylene-propylene composition comprising: a) contacting propylene monomers and ethylene monomers in a reactor with an inert hydrocarbon solvent or diluent and a catalyst composition comprising one or more single site catalyst compounds capable of producing an ethylene-propylene polymer at a temperature from about 50° C. to about 180° C., wherein the ratio in the reactor of the propylene and ethylene monomers to the inert hydrocarbon solvent or diluent is less than 2.0, and further, wherein the propylene and ethylene monomers and the inert hydrocarbon solvent or diluent comprise no more than 90 percent of the total contents of the reactor; and b) recovering a branched ethylene-propylene composition, wherein the weight average branching index g′ for the higher molecular weight region of the ethylene-propylene composition is less than 0.95.
摘要翻译： 提供了具有改善的熔体强度和剪切稀化的分支乙烯 - 丙烯组合物。 乙烯 - 丙烯组合物的较高分子量区域的重均分支指数g'小于0.95。 另外，提供了一种有效生产支化乙烯 - 丙烯组合物的新方法，其包括：a）使反应器中的丙烯单体和乙烯单体与惰性烃溶剂或稀释剂和包含一种或多种单中心催化剂化合物的催化剂组合物接触， 在约50℃至约180℃的温度下生产乙烯 - 丙烯聚合物，其中丙烯和乙烯单体的反应器与惰性烃溶剂或稀释剂的比例小于2.0，此外，其中 丙烯和乙烯单体和惰性烃溶剂或稀释剂不超过反应器总含量的90％; 和b）回收支链乙烯 - 丙烯组合物，其中乙烯 - 丙烯组合物的较高分子量区域的重均分支指数g'小于0.95。
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公开(公告)号：US06225432B1
公开(公告)日：2001-05-01
申请号：US09375774
申请日：1999-08-17
IPC分类号： C08F11006
CPC分类号： C08F110/06 , C08F4/65908 , C08F4/65912 , C08F4/65916 , C08F10/06 , C08L23/12 , C08L2205/02 , C08L2314/06 , C08F4/65927 , C08L2666/04 , C08F2500/03 , C08F2500/09 , C08F2500/17
摘要： Branched polypropylene compositions which have improved melt strength and good processability are provided. The branched polypropylene compositions of the present invention have a polydispersity of less than 4.0 and a melt point greater than 90° C. Further, the weight average branching index g of the polypropylene compositions is less than 0.95. Additionally, a novel process is provided for efficiently producing a branched polypropylene composition comprising: a) contacting propylene monomers in a reactor with an inert hydrocarbon solvent or diluent and a catalyst composition comprising one or more single site catalyst compounds capable of producing stereospecific polypropylene at a temperature from about 40° C. to about 120° C., wherein the ratio in the reactor of the propylene monomers to the inert hydrocarbon solvent or diluent is less than 9.0, and further, wherein the propylene monomers and the inert hydrocarbon solvent or diluent comprise at least 50 weight percent of the total contents of the reactor; and b) recovering a branched polypropylene composition having a polydispersity of less than or equal to 4.0 and a melting point greater than 90° C. wherein the weight average branching index, g, of the branched polypropylene composition is less than 0.95.
摘要翻译： 提供了具有改进的熔体强度和良好加工性能的支化聚丙烯组合物。 本发明的支化聚丙烯组合物的多分散性小于4.0，熔点大于90℃。此外，聚丙烯组合物的重均分支指数g小于0.95。 另外，提供了一种用于有效生产支化聚丙烯组合物的新方法，其包括：a）使反应器中的丙烯单体与惰性烃溶剂或稀释剂和包含一种或多种能够产生立体有择聚丙烯的单中心催化剂化合物的催化剂组合物接触 温度为约40℃至约120℃，其中丙烯单体与惰性烃溶剂或稀释剂的反应器中的比例小于9.0，此外，其中丙烯单体和惰性烃溶剂或稀释剂 占反应器总含量的至少50重量％; 和b）回收多分散度小于或等于4.0且熔点大于90℃的支化聚丙烯组合物，其中支化聚丙烯组合物的重均分支指数g小于0.95。
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公开(公告)号：US06774191B2
公开(公告)日：2004-08-10
申请号：US10640153
申请日：2003-08-13
IPC分类号： C08F25500
CPC分类号： C08L55/005 , C08F2/08 , C08F110/02 , C08F210/18 , C08F255/00 , C08F255/02 , C08F257/02 , C08F290/00 , C08F290/04 , C08F290/042 , C08F290/044 , C08F297/08 , C08F297/083 , C08L23/02 , C08L23/08 , C08L23/0815 , C08L51/06 , C08L55/00 , C08L2205/02 , C08L2314/06 , C08L2666/24 , C08L2666/04 , C08L2666/02 , C08F2500/03 , C08F2500/09 , C08F2500/12 , C08F210/08 , C08L2666/06
摘要： A polyolefin product is provided which comprises a branched olefin copolymer having an syndiotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the syndiotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing syndiotactic polypropylene; and c) recovering a branched olefin copolymer.
摘要翻译： 提供了一种聚烯烃产品，其包含具有间同立构聚丙烯主链，聚乙烯分支和任选的一种或多种共聚单体的支链烯烃共聚物。 支链烯烃共聚物的总共聚单体含量为0〜20摩尔％。 另外，间同立构聚丙烯与聚乙烯的质量比为99.9:0.1〜50:50。 另外，提供了一种制备支链烯烃共聚物的方法，其包括：a）在足以形成具有大于40％的链端基不饱和度的共聚物的条件下，在聚合反应中将乙烯任选地与一种或多种可共聚单体共聚; b ）使用可产生间同立构聚丙烯的手性立体刚性过渡金属催化剂，在合适的聚丙烯聚合条件下，在聚合反应器中将a）的产物与丙烯和任选的一种或多种可共聚单体共聚; 和c）回收支链烯烃共聚物。
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公开(公告)号：US06184327B2
公开(公告)日：2001-02-06
申请号：US09020305
申请日：1998-02-06
IPC分类号： C08F11060
CPC分类号： C08L51/06 , C08F255/00 , C08F255/02 , C08F290/04 , Y10S526/943 , C08L2666/04
摘要： A thermoplastic elastomer is provided comprising a branched olefin polymer having crystalline sidechains and an amorphous backbone wherein at least 90 mole percent of the sidechains are isotactic or syndiotactic polypropylene and at least 80 mole percent of the backbone is atactic polypropylene. Additionally, a process is provided for producing a thermoplastic elastomer composition comprising: a) contacting, in solution, at a temperature from about 90° C. to about 120° C., propylene monomers with a catalyst composition comprising a chiral, stereorigid transition metal catalyst compound capable of producing isotactic or syndiotactic polypropylene; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor using an achiral transition metal catalyst capable of producing atactic polypropylene; and c) recovering a branched olefin polymer.
摘要翻译： 提供了一种热塑性弹性体，其包括具有结晶侧链和无定形骨架的支链烯烃聚合物，其中至少90摩尔％的侧链是全同立构或间同立构聚丙烯，并且至少80摩尔％的主链是无规聚丙烯。 此外，提供了一种制备热塑性弹性体组合物的方法，其包括：a）在约90℃至约120℃的温度下，在溶液中使丙烯单体与催化剂组合物接触，所述催化剂组合物包含手性立体刚性过渡金属 能够产生全同立构或间同立构聚丙烯的催化剂化合物; b）使用能够生产无规聚丙烯的非手性过渡金属催化剂，在聚合反应器中使a）的产物与丙烯和任选的一种或多种可共聚单体共聚; 和c）回收支链烯烃聚合物。
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公开(公告)号：US6117962A
公开(公告)日：2000-09-12
申请号：US20101
申请日：1998-02-06
IPC分类号： C08F290/04 , C08F4/645 , C08F4/659 , C08F4/6592 , C08F110/06
CPC分类号： C08F110/06 , C08F4/65908 , C08F4/65912
摘要： Stereospecific polypropylene macromers having a high percentage of vinyl terminal bonds and a method for preparing them are provided. The stereospecific polypropylene macromers have number average molecular weights (M.sub.n) of about 2,000 Daltons to about 50,000 Daltons, and the total number of vinyl groups per 1000 carbon atoms is greater than or equal to 7000.div.M.sub.n. The method for preparing the macromers involves:a) contacting, in solution, at a temperature from about 90.degree. C. to about 120.degree. C., two or more propylene monomers with a catalyst composition comprising a chiral, stereorigid transition metal catalyst compound; andb) recovering stereospecific polypropylene chains having number average molecular weights of about 2,000 Daltons to about 50,000 Daltons and significant vinyl unsaturation.
摘要翻译： 提供了具有高百分比乙烯基端键的立体特异性聚丙烯大分子单体及其制备方法。 立体有择性聚丙烯大分子单体的数均分子量（Mn）为约2,000道尔顿至约50,000道尔顿，每1000个碳原子的乙烯基总数大于或等于7000分子量Mn。 制备大分子单体的方法包括：a）在溶液中，在约90℃至约120℃的温度下接触两种或多种具有包含手性立体刚性过渡金属催化剂化合物的催化剂组合物的丙烯单体; 和b）回收数均分子量为约2,000道尔顿至约50,000道尔顿的立体有择聚丙烯链和显着的乙烯基不饱和度。
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公开(公告)号：US06197910B1
公开(公告)日：2001-03-06
申请号：US09020306
申请日：1998-02-06
IPC分类号： C08F11006
CPC分类号： C08L51/06 , C08F4/65912 , C08F10/00 , C08F10/06 , C08F110/06 , C08F255/00 , C08F255/02 , C08F290/042 , C08F297/08 , C08F297/083 , Y10S526/943 , C08F4/65927 , C08F2500/15 , C08F2500/03 , C08F2500/06 , C08F2500/09
摘要： A polyolefin composition is provided which consists essentially of isotactic polypropylene and, optionally, repeating units of one or more comonomers, wherein the total comonomer repeating unit content of the polyolefin composition is from 0 to 20 mole percent, and further, wherein the weight average branching index g′ for the lower molecular weight region of the polyolefin composition is less than 0.93. Additionally, a process is provided for producing a polyolefin composition comprising: a) contacting, in solution, at a temperature from about 90° C. to about 120° C., propylene monomers with a catalyst composition comprising a first chiral, stereorigid transition metal catalyst compound capable of producing isotactic polypropylene; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a second chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin polymer.
摘要翻译： 提供了聚烯烃组合物，其基本上由全同立构聚丙烯和任选的一种或多种共聚单体的重复单元组成，其中聚烯烃组合物的总共聚单体重复单元含量为0至20摩尔％，此外，其中重均分子量 聚烯烃组合物的较低分子量区域的指数g'小于0.93。 此外，提供了一种用于制备聚烯烃组合物的方法，其包括：a）在约90℃至约120℃的温度下在溶液中使丙烯单体与催化剂组合物接触，所述催化剂组合物包含第一手性立体刚性过渡金属 能够产生全同立构聚丙烯的催化剂化合物; b）在合适的聚丙烯聚合条件下，使用能够产生全同立构的第二手性立体刚性过渡金属催化剂，在聚合反应器中将a）的产物与丙烯和任选的一种或多种可共聚的单体共聚 聚丙烯; 和c）回收支链烯烃聚合物。
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公开(公告)号：US06750307B2
公开(公告)日：2004-06-15
申请号：US10295026
申请日：2002-11-14
IPC分类号： C08F21016
CPC分类号： C08L55/005 , C08F2/08 , C08F110/02 , C08F210/18 , C08F255/00 , C08F255/02 , C08F257/02 , C08F290/00 , C08F290/04 , C08F290/042 , C08F290/044 , C08F297/08 , C08F297/083 , C08L23/02 , C08L23/08 , C08L23/0815 , C08L51/06 , C08L55/00 , C08L2205/02 , C08L2314/06 , C08L2666/24 , C08L2666/04 , C08L2666/02 , C08F2500/03 , C08F2500/09 , C08F2500/12 , C08F210/08 , C08L2666/06
摘要： A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.
摘要翻译： 提供了一种聚烯烃产品，其包含具有全同立构聚丙烯骨架的支链烯烃共聚物，聚乙烯分支和任选的一种或多种共聚单体。 支链烯烃共聚物的总共聚单体含量为0〜20摩尔％。 另外，全同立构聚丙烯与聚乙烯的质量比为99.9:0.1〜50:50。 另外，提供了一种制备支链烯烃共聚物的方法，其包括：a）在足以形成具有大于40％的链端基不饱和度的共聚物的条件下，在聚合反应中将乙烯任选地与一种或多种可共聚单体共聚; b ）使用可产生全同立构聚丙烯的手性立体刚性过渡金属催化剂，在合适的聚丙烯聚合条件下，在聚合反应器中将a）的产物与丙烯和任选的一种或多种可共聚单体共聚; 和c）回收支链烯烃共聚物。
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公开(公告)号：US06660809B1
公开(公告)日：2003-12-09
申请号：US09020307
申请日：1998-02-06
IPC分类号： C08F25500
CPC分类号： C08L55/005 , C08F2/08 , C08F110/02 , C08F210/18 , C08F255/00 , C08F255/02 , C08F257/02 , C08F290/00 , C08F290/04 , C08F290/042 , C08F290/044 , C08F297/08 , C08F297/083 , C08L23/02 , C08L23/08 , C08L23/0815 , C08L51/06 , C08L55/00 , C08L2205/02 , C08L2314/06 , C08L2666/24 , C08L2666/04 , C08L2666/02 , C08F2500/03 , C08F2500/09 , C08F2500/12 , C08F210/08 , C08L2666/06
摘要： A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.
摘要翻译： 提供了一种聚烯烃产品，其包含具有全同立构聚丙烯骨架的支链烯烃共聚物，聚乙烯分支和任选的一种或多种共聚单体。 支链烯烃共聚物的总共聚单体含量为0〜20摩尔％。 另外，全同立构聚丙烯与聚乙烯的质量比为99.9:0.1〜50:50。 另外，提供了一种制备支链烯烃共聚物的方法，其包括：a）在足以形成具有大于40％的链端基不饱和度的共聚物的条件下，在聚合反应中将乙烯任选地与一种或多种可共聚单体共聚; b ）使用可产生全同立构聚丙烯的手性立体刚性过渡金属催化剂，在合适的聚丙烯聚合条件下，在聚合反应器中将a）的产物与丙烯和任选的一种或多种可共聚单体共聚; 和c）回收支链烯烃共聚物。
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