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公开(公告)号:US07514508B2
公开(公告)日:2009-04-07
申请号:US10568739
申请日:2004-07-19
申请人: Gerben Meier , Massimo Covezzi , Pietro Baita , Gabriele Mei
发明人: Gerben Meier , Massimo Covezzi , Pietro Baita , Gabriele Mei
IPC分类号: C08F2/38 , C08F2/34 , C08F210/02
CPC分类号: B01J8/0055 , B01J8/1854 , B01J8/24 , B01J19/2435 , B01J2208/00619 , B01J2219/00006 , B01J2219/0004 , B01J2219/00184 , C08F210/16 , C08L23/06 , C08L23/0815 , C08L2205/02 , Y10S526/905 , C08F2/34 , C08F2/001 , C08L2666/06 , C08F210/14 , C08F2500/04 , C08F2500/07 , C08F2500/12 , C08F2500/17 , C08F210/08
摘要: Process for preparing a broad molecular weight polyethylene by polymerizing ethylene in the presence of a polymerization catalyst, the process comprising the following steps, in any mutual order: a) polymerizing ethylene, optionally together with one or more α-olefinic comonomers having from 3 to 12 carbon atoms, in a gas-phase reactor in the presence of hydrogen, b) copolymerizing ethylene with one or more α-olefinic comonomers having from 3 to 12 carbon atoms in another gas-phase reactor in the presence of an amount of hydrogen less than step a), where in at least one of said gas-phase reactors the growing polymer particles flow upward through a first polymerization zone under fast fluidization or transport conditions, leave said first polymerization zone and enter a second polymerization zone through which they flow downward under the action of gravity.
摘要翻译: 通过在聚合催化剂存在下聚合乙烯来制备宽分子量聚乙烯的方法,该方法包括以下步骤:a)聚合乙烯,任选地与一种或多种α-烯烃共聚单体一起聚合,所述α-烯烃共聚单体具有3〜 12个碳原子,在氢气存在下的气相反应器中,b)在另一种气相反应器中在一定量的氢气存在下使乙烯与一种或多种具有3至12个碳原子的α-烯烃共聚单体共聚 其中在至少一个所述气相反应器中,生长的聚合物颗粒在快速流化或运输条件下通过第一聚合区向上流动,留下所述第一聚合区并进入第二聚合区,通过它们向下流动 在重力的作用下。
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公开(公告)号:US20070093621A1
公开(公告)日:2007-04-26
申请号:US10568739
申请日:2004-07-19
申请人: Gerben Meier , Massimo Covezzi , Pietro Baita , Gabriele Mei
发明人: Gerben Meier , Massimo Covezzi , Pietro Baita , Gabriele Mei
IPC分类号: C08G85/00
CPC分类号: B01J8/0055 , B01J8/1854 , B01J8/24 , B01J19/2435 , B01J2208/00619 , B01J2219/00006 , B01J2219/0004 , B01J2219/00184 , C08F210/16 , C08L23/06 , C08L23/0815 , C08L2205/02 , Y10S526/905 , C08F2/34 , C08F2/001 , C08L2666/06 , C08F210/14 , C08F2500/04 , C08F2500/07 , C08F2500/12 , C08F2500/17 , C08F210/08
摘要: Process for preparing a broad molecular weight polyethylene by polymerizing ethylene in the presence of a polymerization catalyst, the process comprising the following steps, in any mutual order: a) polymerizing ethylene, optionally together with one or more α-olefinic comonomers having from 3 to 12 carbon atoms, in a gas-phase reactor in the presence of hydrogen, b) copolymerizing ethylene with one or more α-olefinic comonomers having from 3 to 12 carbon atoms in another gas-phase reactor in the presence of an amount of hydrogen less than step a), where in at least one of said gas-phase reactors the growing polymer particles flow upward through a first polymerization zone under fast fluidization or transport conditions, leave said first polymerization zone and enter a second polymerization zone through which they flow downward under the action of gravity.
摘要翻译: 通过在聚合催化剂存在下聚合乙烯来制备宽分子量聚乙烯的方法,该方法包括以下步骤:a)聚合乙烯,任选地与一种或多种α-烯烃共聚单体一起聚合,所述α-烯烃共聚单体具有3〜 12个碳原子,在氢气存在下的气相反应器中,b)在另一种气相反应器中在一定量的氢气存在下使乙烯与一种或多种具有3至12个碳原子的α-烯烃共聚单体共聚 其中在至少一个所述气相反应器中,生长的聚合物颗粒在快速流化或运输条件下通过第一聚合区向上流动,留下所述第一聚合区并进入第二聚合区,通过它们向下流动 在重力的作用下。
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3.
公开(公告)号:US20050234217A1
公开(公告)日:2005-10-20
申请号:US10518693
申请日:2003-06-17
申请人: Daniele Bigiavi , Nicolo Arich De Finetti , Gabriele Mei , Giuseppe Penzo , Massimo Covezzi , Pietro Baita , Maria Silvia Tonti
发明人: Daniele Bigiavi , Nicolo Arich De Finetti , Gabriele Mei , Giuseppe Penzo , Massimo Covezzi , Pietro Baita , Maria Silvia Tonti
CPC分类号: C08F6/003 , Y02P20/544 , C08L23/20
摘要: Method for continuously removing the unreacted butene-1, and optionally other volatile components, from a polymeric solution obtained by liquid phase (co)polymerization of butene-1, the method comprising the steps of: subjecting the polymeric solution to heating and mixing conditions such that a mixture is formed consisting substantially of: (1) a polybutene melt containing entrapped butene-1 and (2) supercritical gaseous butene-1; subjecting the above mixture to a sequence of devolatilization steps operating at decreasing pressures.
摘要翻译: 从通过丁烯-1的液相(共)聚合获得的聚合物溶液中连续除去未反应的丁烯-1和任选的其它挥发性组分的方法,所述方法包括以下步骤:将聚合物溶液加热和混合条件如 形成的混合物基本上由以下组成:(1)含有截留的丁烯-1和(2)超临界气态丁烯-1的聚丁烯熔体; 使上述混合物经历在降低的压力下操作的一系列脱挥发分步骤。
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公开(公告)号:US20070282083A1
公开(公告)日:2007-12-06
申请号:US10581983
申请日:2004-11-24
申请人: Pietro Baita , Massimo Covezzi , Gabriele Mei , Giampiero Morini , Joachim Pater
发明人: Pietro Baita , Massimo Covezzi , Gabriele Mei , Giampiero Morini , Joachim Pater
CPC分类号: C08F10/00 , C08F10/02 , C08F210/16 , C08F4/6494 , C08F4/651 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/08 , C08F2500/07 , C08F210/08
摘要: A process for preparing a broad molecular weight polyethylene carried out in the presence of a catalyst system comprising (i) a solid catalyst component comprising Mg, Ti, halogen, and optionally an internal electron donor compound, and (ii) an Al-alkyl cocatalyst said process comprising at least two step of polymerization (a) and (b), in which: in a first step (a) ethylene is polymerized in the presence of a molecular weight regulator in order to produce a ethylene (co)polymer, and in a further step (b), which is carried out in the presence of an external electron donor compound added to this polymerization step as a fresh reactant, ethylene is copolymerized with an alpha olefin of formula CH2═CHR, in which R is a C1-C20 hydrocarbon group, to produce an ethylene copolymer having a molecular weight higher than that of the copolymer produced in step (b).
摘要翻译: 一种制备在催化剂体系存在下进行的宽分子量聚乙烯的方法,包括(i)包含Mg,Ti,卤素和任选的内电子给体化合物的固体催化剂组分,和(ii)Al-烷基助催化剂 所述方法包括至少两个聚合步骤(a)和(b)),其中:在第一步(a)中,在分子量调节剂存在下使乙烯聚合以产生乙烯(共)聚合物,和 在另外的步骤(b)中,其在作为新的反应物加入到该聚合步骤中的外部电子给体化合物的存在下进行,乙烯与式CH 2 -CHR的α-烯烃共聚,其中R是C1 -C 20烃基,得到分子量高于步骤(b)中制备的共聚物的乙烯共聚物。
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公开(公告)号:US07678867B2
公开(公告)日:2010-03-16
申请号:US10581983
申请日:2004-11-24
IPC分类号: C08F4/64 , C08F4/642 , C08F4/649 , C08F210/02
CPC分类号: C08F10/00 , C08F10/02 , C08F210/16 , C08F4/6494 , C08F4/651 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/08 , C08F2500/07 , C08F210/08
摘要: A process for preparing a broad molecular weight polyethylene carried out in the presence of a catalyst system comprising (i) a solid catalyst component comprising Mg, Ti, halogen, and optionally an internal electron donor compound, and (ii) an Al-alkyl cocatalyst said process comprising at least two step of polymerization (a) and (b), in which: in a first step (a) ethylene is polymerized in the presence of a molecular weight regulator in order to produce a ethylene (co)polymer, and in a further step (b), which is carried out in the presence of an external electron donor compound added to this polymerization step as a fresh reactant, ethylene is copolymerized with an alpha olefin of formula CH2═CHR, in which R is a C1-C20 hydrocarbon group, to produce an ethylene copolymer having a molecular weight higher than that of the copolymer produced in step (b).
摘要翻译: 一种制备在催化剂体系存在下进行的宽分子量聚乙烯的方法,包括(i)包含Mg,Ti,卤素和任选的内电子给体化合物的固体催化剂组分,和(ii)Al-烷基助催化剂 所述方法包括至少两个聚合步骤(a)和(b)),其中:在第一步(a)中,在分子量调节剂存在下使乙烯聚合以产生乙烯(共)聚合物,和 在另外的步骤(b)中,其在作为新的反应物加入到该聚合步骤中的外部电子给体化合物的存在下进行,乙烯与式CH2 = CHR的α-烯烃共聚,其中R是C1 -C 20烃基,得到分子量高于步骤(b)中制备的共聚物的乙烯共聚物。
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6.
公开(公告)号:US07199163B2
公开(公告)日:2007-04-03
申请号:US10518693
申请日:2003-06-17
申请人: Daniele Bigiavi , Nicolò Arich De Finetti , Gabriele Mei , Guiseppe Penzo , Massimo Covezzi , Pietro Baita , Maria Silvia Tonti
发明人: Daniele Bigiavi , Nicolò Arich De Finetti , Gabriele Mei , Guiseppe Penzo , Massimo Covezzi , Pietro Baita , Maria Silvia Tonti
IPC分类号: C08G6/00
CPC分类号: C08F6/003 , Y02P20/544 , C08L23/20
摘要: Method for continuously removing the unreacted butene-1, and optionally other volatile components, from a polymeric solution obtained by liquid phase (co)polymerization of butene-1, the method comprising the steps of: subjecting the polymeric solution to heating and mixing conditions such that a mixture is formed consisting substantially of: (1) a polybutene melt containing entrapped butene-1 and (2) supercritical gaseous butene-1; subjecting the above mixture to a sequence of devolatilization steps operating at decreasing pressures.
摘要翻译: 从通过丁烯-1的液相(共)聚合获得的聚合物溶液中连续除去未反应的丁烯-1和任选的其它挥发性组分的方法,所述方法包括以下步骤:将聚合物溶液加热和混合条件如 形成的混合物基本上由以下组成:(1)含有截留的丁烯-1和(2)超临界气态丁烯-1的聚丁烯熔体; 使上述混合物经历在降低的压力下操作的一系列脱挥发分步骤。
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公开(公告)号:US07687588B2
公开(公告)日:2010-03-30
申请号:US11920312
申请日:2006-05-09
申请人: Gabriele Mei , Joachim T. M. Pater , Gerben Meier , Pietro Baita
发明人: Gabriele Mei , Joachim T. M. Pater , Gerben Meier , Pietro Baita
CPC分类号: C08F210/06 , B01J8/1863 , B01J8/388 , B01J19/2435 , B01J2208/00548 , B01J2208/00557 , B01J2219/00164 , B01J2219/00166 , C08F210/16 , Y10S526/901 , C08F2/01 , C08F2/34 , C08F2/001 , C08F2500/12 , C08F2500/05 , C08F210/14
摘要: A process for the gas-phase polymerization of α-olefÊns CH2═CHR, where R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, carried out in a first and a second interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, leave said downcomer and are reintroduced into said riser, in which process: (a) the gas mixture present in the riser is totally or partially prevented from entering the downcomer, and (b) the gaseous composition inside a portion of the downcomer is maintained substantially similar to the gaseous composition reacting in the riser.
摘要翻译: 其中R是氢或具有1-12个碳原子的烃基的α-烯烃CH2 = CHR的气相聚合方法在第一和第二互连聚合区中进行,其中生长的聚合物颗粒流过 在快速流化条件下,第一个所述聚合区(提升管)离开所述提升管并进入第二个所述聚合区(降液管),通过它们以致密形式向下流动,离开所述降液管并重新引入所述提升管,其中 过程:(a)存在于提升管中的气体混合物完全或部分地被阻止进入降液管,并且(b)降液管的一部分内的气态组成物保持基本上类似于在提升管中反应的气态成分。
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公开(公告)号:US20090036617A1
公开(公告)日:2009-02-05
申请号:US11920312
申请日:2006-05-09
申请人: Gabriele Mei , Joachim T.M. Pater , Gerben Meier , Pietro Baita
发明人: Gabriele Mei , Joachim T.M. Pater , Gerben Meier , Pietro Baita
CPC分类号: C08F210/06 , B01J8/1863 , B01J8/388 , B01J19/2435 , B01J2208/00548 , B01J2208/00557 , B01J2219/00164 , B01J2219/00166 , C08F210/16 , Y10S526/901 , C08F2/01 , C08F2/34 , C08F2/001 , C08F2500/12 , C08F2500/05 , C08F210/14
摘要: A process for the gas-phase polymerization of α-olefÊns CH2═CHR, where R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, carried out in a first and a second interconnected polymerization zones, wherein the growing polymer particles flow through the first of said polymerization zones (riser) under fast fluidization conditions, leave said riser and enter the second of said polymerization zones (downcomer) through which they flow downward in a densified form, leave said downcomer and are reintroduced into said riser, in which process: (a) the gas mixture present in the riser is totally or partially prevented from entering the downcomer, and (b) the gaseous composition inside a portion of the downcomer is maintained substantially similar to the gaseous composition reacting in the riser.
摘要翻译: 其中R是氢或具有1-12个碳原子的烃基的α-烯烃CH2-CHR的气相聚合方法在第一和第二互连聚合区中进行,其中生长的聚合物颗粒流过 在快速流化条件下,第一个所述聚合区(提升管)离开所述提升管并进入第二个所述聚合区(降液管),通过它们以致密形式向下流动,离开所述降液管并重新引入所述提升管,其中 过程:(a)存在于提升管中的气体混合物完全或部分地被阻止进入降液管,并且(b)降液管的一部分内的气态组成物保持基本上类似于在提升管中反应的气态成分。
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公开(公告)号:US07414095B2
公开(公告)日:2008-08-19
申请号:US10581981
申请日:2004-11-29
申请人: Giuseppe Penzo , Daniele Bigiavi , Massimo Covezzi , Maria Silvia Tonti , Anna Fait , Pietro Baita
发明人: Giuseppe Penzo , Daniele Bigiavi , Massimo Covezzi , Maria Silvia Tonti , Anna Fait , Pietro Baita
CPC分类号: C08F6/003 , C08F6/02 , C08F10/08 , C08F110/08 , C08F210/08 , C08F2/005 , C08F2/06 , C08F2500/12 , C08F2500/17 , C08F210/16
摘要: A solution process for polymerizing one or more α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: continuously polymerizing in a liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30° C. higher than 50 cP (centiPoise).
摘要翻译: 用于聚合一种或多种式CH 2 -CHR的α-烯烃的溶液方法,其中R是H或烷基C 1 -C 18 - 以产生可溶于反应介质的聚合物,包括以下步骤:在基于过渡金属化合物的催化剂体系的存在下,在液相中连续聚合α-烯烃以获得聚合物 在反应介质中; 然后将由步骤a)得到的聚合物溶液在一个或多个混合阶段与包含一种或多种至少具有羟基或环氧基团的有机化合物的含水混合物混合,所述水性混合物的动态粘度在30℃时高于 50厘泊(厘泊)。
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公开(公告)号:US20070265401A1
公开(公告)日:2007-11-15
申请号:US10581981
申请日:2004-11-29
申请人: Giuseppe Penzo , Daniele Bigiavi , Massimo Covezzi , Maria Tonti , Anna Fait , Pietro Baita
发明人: Giuseppe Penzo , Daniele Bigiavi , Massimo Covezzi , Maria Tonti , Anna Fait , Pietro Baita
CPC分类号: C08F6/003 , C08F6/02 , C08F10/08 , C08F110/08 , C08F210/08 , C08F2/005 , C08F2/06 , C08F2500/12 , C08F2500/17 , C08F210/16
摘要: A solution process for polymerizing one or more α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: continuously polymerizing in a liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30° C. higher than 50 cP (centiPoise).
摘要翻译: 用于聚合一种或多种式CH 2 -CHR的α-烯烃的溶液方法,其中R是H或烷基C 1 -C 18 - 以产生可溶于反应介质的聚合物,包括以下步骤:在基于过渡金属化合物的催化剂体系的存在下,在液相中连续聚合α-烯烃以获得聚合物 在反应介质中; 然后将由步骤a)得到的聚合物溶液在一个或多个混合阶段与包含一种或多种至少具有羟基或环氧基团的有机化合物的含水混合物混合,所述水性混合物的动态粘度在30℃时高于 50厘泊(厘泊)。
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