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公开(公告)号：WO2008015228A3
公开(公告)日：2008-04-03
申请号：PCT/EP2007057953
申请日：2007-08-01
Applicant: BASELL POLYOLEFINE GMBH , BAITA PIETRO , PENZO GIUSEPPE , MEI GABRIELE
Inventor： BAITA PIETRO , PENZO GIUSEPPE , MEI GABRIELE
CPC classification number: B01J8/24 , B01J8/003 , B01J2219/00006 , C08F6/005 , C08F6/02 , C08F210/16 , C08L23/00 , C08F210/14 , C08F2500/12 , C08F2500/24
Abstract: A process to perform the finishing of polyolefins produced by gas-phase catalytic polymerization of one or more a-olefms in the presence of a polymerization diluent selected from a C 3 -C 5 alkane, wherein the polyolefm granules discharged from the gas-phase reactor are subjected to: (1) a first degassing step in which said polyolefm is counter-currently contacted with a gaseous stream containing at least 85% by mol of a stripping agent selected from a C 3 -C 5 alkane, said gaseous stream being continuously derived from the monomer recovery section of the polymerization plant; (2) a second degassing step in which said polyolefm is counter-currently contacted with steam, the amount of steam being from 10 to 200 Kg per 1000 kg of polyolefin.
Abstract translation: 一种在选自C 3 -C 5 O 3的聚合稀释剂的存在下，通过一种或多种α-烯烃的气相催化聚合制备的聚烯烃的精制方法 烷烃，其中从气相反应器排出的聚烯烃颗粒经受：（1）第一脱气步骤，其中所述聚烯烃与包含至少85摩尔％选择的汽提剂的气流反向接触 来自C 3 -C 5烷烃，所述气流连续地衍生自聚合装置的单体回收部分; （2）第二脱气步骤，其中所述聚烯烃与蒸汽反向接触，每1000kg聚烯烃的蒸汽量为10-200Kg。
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公开(公告)号：WO2004000891A1
公开(公告)日：2003-12-31
申请号：PCT/EP2003/006351
申请日：2003-06-17
Applicant: BASELL POLIOLEFINE ITALIA S.P.A. , BIGIAVI, Daniele , ARICH DE FINETTI, Nicolò , MEI, Gabriele , PENZO, Giuseppe , COVEZZI, Massimo , BAITA, Pietro , TONTI, Maria, Silvia
Inventor： BIGIAVI, Daniele , ARICH DE FINETTI, Nicolò , MEI, Gabriele , PENZO, Giuseppe , COVEZZI, Massimo , BAITA, Pietro , TONTI, Maria, Silvia
IPC: C08F6/00
CPC classification number: C08F6/003 , B01J2219/00006 , B01J2219/0004 , Y02P20/544 , C08L23/20
Abstract: 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.
Abstract translation: 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，该方法包括以下步骤：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：WO2012041813A1
公开(公告)日：2012-04-05
申请号：PCT/EP2011/066682
申请日：2011-09-26
Applicant: BASELL POLYOLEFINE GMBH , BAITA, Pietro , BRITA, Diego , FERRARI, Paolo , MAVRIDIS, Harilaos , MEI, Gabriele , PICA, Roberta , WIESECKE, Jens
Inventor： BAITA, Pietro , BRITA, Diego , FERRARI, Paolo , MAVRIDIS, Harilaos , MEI, Gabriele , PICA, Roberta , WIESECKE, Jens
CPC classification number: C08F10/02 , C08F10/00 , C08F210/16 , C08F210/08 , C08F2500/08 , C08F2500/12 , C08F2500/26 , C08F4/6494 , C08F2/005 , C08F210/14
Abstract: Extruded articles, particularly films, comprising an ethylene polymer obtained by a polymerization process carried out in the presence the products obtained by contacting the following components: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and optionally one or more internal electron donor compounds, (b) an aluminum hydrocarbyl compound, (c) optionally an external electron donor compound, and (d) a polyalcohol partially esterified with carboxylic acids with alkyl groups having at least 10 carbon atoms.
Abstract translation: 挤出制品，特别是包含通过聚合方法获得的乙烯聚合物的薄膜，所述聚合方法在存在下通过接触下列组分获得的产物进行：（a）固体催化剂组分，其包含卤化镁，至少具有Ti- 卤素键和任选的一种或多种内部电子给体化合物，（b）铝烃基化合物，（c）任选的外部电子给体化合物，和（d）与具有至少10个碳原子的烷基的羧酸部分酯化的多元醇 。
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公开(公告)号：WO2010076289A1
公开(公告)日：2010-07-08
申请号：PCT/EP2009/067906
申请日：2009-12-23
Applicant: BASELL POLIOLEFINE ITALIA S.R.L. , BAITA, Pietro , KARER, Rainer , MEIER, Gerhardus , FUNK, Guido , MEI, Gabriele
Inventor： BAITA, Pietro , KARER, Rainer , MEIER, Gerhardus , FUNK, Guido , MEI, Gabriele
CPC classification number: B01J8/0015 , B01J8/1827 , B01J2208/00752 , B01J2208/00769 , C08F10/00 , C08F210/16 , C08F2/34 , C08F210/08 , C08F2500/12
Abstract: A process for introducing a catalyst powder based on a titanium compound supported on magnesium halide into a gas-phase olefin polymerization reactor, characterized in that it comprises: (a) storing the catalyst powder under an atmosphere of a liquid C 3 -C 12 alkane; (b) withdrawing from step (a) a measured amount of said catalyst powder by means of a rotary valve; (c) transferring said metered amount of catalyst powder to a catalyst activation section by a continuous pick-up flow of a liquid C 3 -C 12 alkane; (d) contacting the catalyst powder with a liquid phase comprising an organo-aluminum compound and optionally an external donor compound, at a temperature ranging from -20 °C to 60 °C; (e) introducing the activated catalyst powder in one or more gas-phase olefin polymerization reactors, where a gaseous mixture comprising at least one alpha-olefin is subjected to polymerization.
Abstract translation: 将基于负载在卤化镁上的钛化合物的催化剂粉末引入气相烯烃聚合反应器的方法，其特征在于，其包括：（a）将催化剂粉末在液体C 3 -C 12烷烃的气氛下储存; （b）通过旋转阀从步骤（a）中取出测量量的所述催化剂粉末; （c）通过液体C 3 -C 12烷烃的连续提取流将所述计量的催化剂粉末转移到催化剂活化部分; （d）在-20℃至60℃的温度范围内使催化剂粉末与包含有机铝化合物和任选的外部供体化合物的液相接触; （e）将活化的催化剂粉末引入一个或多个气相烯烃聚合反应器中，其中包含至少一种α-烯烃的气体混合物进行聚合。
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公开(公告)号：WO2009144144A1
公开(公告)日：2009-12-03
申请号：PCT/EP2009/055916
申请日：2009-05-15
Applicant: Basell Poliolefine Italia s.r.l. , RINALDI, Riccardo , MAZZUCCO, Antonio , BALESTRA, Enrico , PENZO, Giuseppe , DORINI, Maurizio , MEI, Gabriele
Inventor： RINALDI, Riccardo , MAZZUCCO, Antonio , BALESTRA, Enrico , PENZO, Giuseppe , DORINI, Maurizio , MEI, Gabriele
CPC classification number: B01J19/2435 , B01J19/2465 , B01J2219/00087 , C08F10/00 , C08F110/02 , C08F110/06 , Y10S526/901 , C08F2/34 , C08F2/001 , C08F2/01 , C08F2500/05 , C08F2500/15
Abstract: A process for the polymerisation of olefins carried out in a gas-phase reactor having interconnected polymerization zones, where the growing polymer particles flow upward through a first polymerization zone (riser) under fast fluidization or transport conditions, leave said riser and enter a second polymerization zone (downcomer) through which they flow downward under the action of gravity, leave said downcomer and are reintroduced into the riser, a gas recycle stream being withdrawn from said first polymerisation zone, subjected to cooling below its dew point and then returned to said first polymerisation zone, the process being characterised in that said gas recycle stream is cooled at a temperature Tc ranging from 0.05°C to 3°C below its dew point.
Abstract translation: 在具有相互连接的聚合区的气相反应器中进行烯烃聚合的方法，其中生长的聚合物颗粒在快速流化或输送条件下向上流过第一聚合区（提升管），离开所述提升管并进入第二聚合 （下降管），通过它们在重力作用下向下流动，离开所述下降管并重新引入提升管，从所述第一聚合区域排出的气体循环物流经历其低于其露点的冷却，然后返回到所述第一 聚合区，其特征在于所述气体再循环流在低于露点的0.05℃至3℃的温度Tc下冷却。
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Patent Agency Ranking
公开(公告)号：WO2005095465A1
公开(公告)日：2005-10-13
申请号：PCT/EP2005/001000
申请日：2005-01-31
Applicant: BASELL POLIOLEFINE ITALIA S.P.A. , MEI, Gabriele , BERTOLINI, Stefano
Inventor： MEI, Gabriele , BERTOLINI, Stefano
IPC: C08F2/00
CPC classification number: C08F10/00 , B01J8/228 , B01J2208/00548 , B01J2208/00584 , B01J2208/0069 , C08F110/06 , C08F210/06 , Y10S526/901 , Y10S526/905 , C08F2/34 , C08F210/16
Abstract: A method for controlling the flowability of polymer particles flowing downward in a densified form inside a polymerization reactor, in which one or more monomers are gasphase polymerized in the presence of a polymerization catalyst, the density of solid (Kg of polymer per m 3 of reactor occupied by the polymer) being higher than 80% of the "poured bulk density" of the polymer, the method being characterized in that a liquid stream is continuously fed into the polymerization reactor at a mass flow rate per unity of reactor surface higher than 30 Kg/h m 2 .
Abstract translation: 控制在聚合反应器内以密实形式向下流动的聚合物颗粒的流动性的方法，其中一种或多种单体在聚合催化剂存在下进行气相聚合，固体密度（每m 3聚合物的Kg） 的聚合物占据的反应器）高于聚合物的“倾倒堆积密度”的80％，该方法的特征在于将液体流以反应器表面的单位质量流速连续进料到聚合反应器中 超过30kg / hm <2>。
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公开(公告)号：WO2004078792A1
公开(公告)日：2004-09-16
申请号：PCT/EP2004/001845
申请日：2004-02-24
Applicant: BASELL POLIOLEFINE ITALIA S.P.A. , SCHMIDT, Christian, Ulrich , ZIEGLER, Stefan , MEI, Gabriele , BERTOLINI, Stefano , MEIER, Gerben
Inventor： SCHMIDT, Christian, Ulrich , ZIEGLER, Stefan , MEI, Gabriele , BERTOLINI, Stefano , MEIER, Gerben
IPC: C08F2/00
CPC classification number: C08F297/08 , B01J8/228 , B01J19/006 , B01J19/2435 , B01J2208/00548 , B01J2208/00584 , B01J2208/00663 , B01J2208/00672 , B01J2208/00849 , B01J2219/00164 , B01J2219/00175 , B01J2219/00182 , C08F2/00 , C08F2400/02 , G01N21/53 , Y10T436/143333
Abstract: Method for monitoring the velocity of growing polymer particles flowing in a two-phase stream during a polymerization process, said method comprising measuring the degree of attenuation in the propagation of light in said two-phase stream by means of a photometric instrument, said photometric instrument comprising: one or more transmitting optical waveguides connecting one or more light sources to said two-phase stream, one or more receiving optical waveguides connecting said two-phase stream to a light detector.
Abstract translation: 用于监测在聚合过程中在两相流中流动的生长中的聚合物颗粒的速度的方法，所述方法包括通过测光仪测量所述两相流中光的传播衰减程度，所述测光仪 包括：将一个或多个光源连接到所述两相流的一个或多个发射光波导，将所述两相流连接到光检测器的一个或多个接收光波导。
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公开(公告)号：WO2009080660A1
公开(公告)日：2009-07-02
申请号：PCT/EP2008/067772
申请日：2008-12-17
Applicant: BASELL POLIOLEFINE ITALIA S.R.L. , MAZZUCCO, Antonio , RINALDI, Riccardo , SOFFRITTI, Silvia , BALESTRA, Enrico , PENZO, Giuseppe , MEI, Gabriele
Inventor： MAZZUCCO, Antonio , RINALDI, Riccardo , SOFFRITTI, Silvia , BALESTRA, Enrico , PENZO, Giuseppe , MEI, Gabriele
CPC classification number: B01J19/2435 , B01J2219/00164 , B01J2219/00166 , B01J2219/00173 , C08F10/00 , C08F110/06 , C08F210/06 , C08F2/34 , C08F2/001 , C08F2500/05 , C08F210/16
Abstract: A process for the gas-phase polymerization of α-olefms carried out in two 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, the process being characterized in that: (a) the gas mixture present in the riser is totally or partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid stream LB having a composition different from the gaseous mixture present in the riser; (b) the ratio R between the flow rate F p of polymer circulated between said downcomer and said riser and the flow rate LB of said liquid being adjusted in a range from 10 to 50.
Abstract translation: 一种用于在两个相互连接的聚合区中进行的α-烯烃的气相聚合的方法，其中生长的聚合物颗粒在快速流化条件下流过第一个所述聚合区（提升管），离开所述提升管并进入所述 聚合区（降液管），通过它们以致密化形式向下流动，该方法的特征在于：（a）通过引入所述降液管的上部，存在于提升管中的气体混合物被全部或部分地防止进入降液管 具有与提升管中存在的气体混合物不同的组成的液体流LB; （b）在所述降液管和所述提升管之间循环的聚合物的流量Fp与所述液体的流量LB之间的比R调节在10至50的范围内。
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公开(公告)号：WO2008015228A2
公开(公告)日：2008-02-07
申请号：PCT/EP2007/057953
申请日：2007-08-01
Applicant: BASELL POLYOLEFINE GMBH , BAITA, Pietro , PENZO, Giuseppe , MEI, Gabriele
Inventor： BAITA, Pietro , PENZO, Giuseppe , MEI, Gabriele
CPC classification number: B01J8/24 , B01J8/003 , B01J2219/00006 , C08F6/005 , C08F6/02 , C08F210/16 , C08L23/00 , C08F210/14 , C08F2500/12 , C08F2500/24
Abstract: A process to perform the finishing of polyolefins produced by gas-phase catalytic polymerization of one or more α-olefms in the presence of a polymerization diluent selected from a C 3 -C 5 alkane, wherein the polyolefm granules discharged from the gas-phase reactor are subjected to: (1) a first degassing step in which said polyolefm is counter-currently contacted with a gaseous stream containing at least 85% by mol of a stripping agent selected from a C 3 -C 5 alkane, said gaseous stream being continuously derived from the monomer recovery section of the polymerization plant; (2) a second degassing step in which said polyolefm is counter-currently contacted with steam, the amount of steam being from 10 to 200 Kg per 1000 kg of polyolefin.
Abstract translation: 在聚合稀释剂存在下进行通过气相催化聚合一种或多种α-烯烃生产的聚烯烃的精制方法，所述聚合稀释剂选自C 3 - 其中从气相反应器排出的聚烯烃颗粒经历：（1）第一脱气步骤，其中所述聚烯烃与包含至少85的气流逆流接触 摩尔％的选自C 3 -C 5链烷烃的汽提剂，所述气体物流连续得自聚合装置的单体回收部分; （2）第二脱气步骤，其中所述聚烯烃与蒸汽逆流接触，蒸汽量为每1000kg聚烯烃10至200Kg。
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公开(公告)号：WO2005019280A1
公开(公告)日：2005-03-03
申请号：PCT/EP2004/008063
申请日：2004-07-19
Applicant: BASELL POLIOLEFINE ITALIA S.P.A. , MEIER, Gerben , COVEZZI, Massimo , BAITA, Pietro , MEI, Gabriele
Inventor： MEIER, Gerben , COVEZZI, Massimo , BAITA, Pietro , MEI, Gabriele
IPC: C08F10/02
CPC classification number: 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
Abstract: 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 a-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 a-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.
Abstract translation: 通过在聚合催化剂存在下聚合乙烯制备宽分子量聚乙烯的方法，所述方法包括以下步骤：a）将乙烯，任选与一种或多种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，在氢存在下在气相反应器中，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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