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公开(公告)号：EP1549687B1
公开(公告)日：2011-04-20
申请号：EP03753465.8
申请日：2003-09-25
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： COVEZZI, Massimo , MEIER, Gerhardus , MEI, Gabriele
CPC classification number: B01J8/388 , B01J8/1827 , B01J8/1872 , B01J2208/00176 , B01J2208/00212 , B01J2208/00256 , B01J2208/00274 , C08F10/00 , C08F110/02 , C08F110/06 , C08F210/06 , C08F210/16 , C08F210/18 , Y10S526/901 , Y10S526/918 , C08F2/34 , C08F2/01 , C08F2/001 , C08F2500/07 , C08F2500/15 , C08F210/08 , C08F2500/08 , C08F236/00 , C08F2500/21
Abstract: Process for the gas-phase catalytic polymerization of olefins carried out in a plurality of interconnected polymerization zones, the process comprising feeding one or more monomers to said polymerization zones in the presence of a catalyst under reaction conditions and collecting the polymer product from said polymerization zones, in which process the polymer particles grow within a first polymerization zone where a fluidized bed is formed, at least a part of said polymer particles leave said first polymerization zone to enter a second polymerization zone through which they flow downward, leave said second polymerization zone and enter a third polymerization zone through which they flow upward under fast fluidization or transport conditions, leave said third polymerization zone and are reintroduced into the first polymerization zone, thus establishing a circulation of polymer between the different polymerization zones.
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公开(公告)号：EP1926755A1
公开(公告)日：2008-06-04
申请号：EP06793567.6
申请日：2006-09-15
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： PATER, Jochem , BAITA, Pietro , MEI, Gabriele , MAZZUCCO, Antonio
CPC classification number: B01J8/1827 , B01J8/002 , B01J8/0035 , B01J8/1872 , B01J19/2415 , B01J2208/00256 , B01J2208/00274 , B01J2208/0053 , B01J2208/00752 , B01J2219/00006 , B01J2219/00033 , B01J2219/0004 , C08F10/00 , C08F110/02 , C08F2/34 , C08F2/01 , C08F2500/05 , C08F2500/12 , C08F2500/24
Abstract: A process for the gas-phase polymerization of one or more alpha-olefins in the presence of a polymerization catalyst system, the process comprising: a) contacting in a continuous way a gas comprising one or more of said alpha-olefins with said catalyst system in a gas-phase tubular reactor at a temperature from 30°C to 130°C in order to obtain a polymerization degree up to 500 grams per gram of catalyst system; b) feeding in continuous the prepolymer from step a) to a successive gas-phase polymerization reactor; wherein said gas-phase tubular reactor has a length/diameter ratio higher than 100.
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公开(公告)号：EP1599506B1
公开(公告)日：2008-04-30
申请号：EP04713877.1
申请日：2004-02-24
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： SCHMIDT, Christian, Ulrich , ZIEGLER, Stefan , MEI, Gabriele , BERTOLINI, Stefano , MEIER, Gerben
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.
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公开(公告)号：EP1799725A1
公开(公告)日：2007-06-27
申请号：EP05781760.3
申请日：2005-09-19
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： MEI, Gabriele , COVEZZI, Massimo , BERTOLINI, Stefano
CPC classification number: C08F10/00 , C08F110/06 , C08F210/06 , Y10S526/904 , Y10S526/919 , C08F2/01 , C08F4/651 , C08F4/6492 , C08F2/001 , C08F2/34 , C08F2500/24 , C08F210/16
Abstract: Process for the gas-phase polymerization of one or more alpha-olefins in the presence of a catalyst system, the process comprising: contacting in a continuous way one or more of said alpha-olefins with said catalyst system in a prepolymerization reactor, wherein the reaction is carried out in a liquid medium at a temperature ranging from 23° to 500C; feeding in continuous the prepolymer obtained in step a) into 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 said riser; wherein the prepolymer obtained from step a) is continuously fed at a section of said riser characterized by an upwardly gas velocity higher than 3.0 m/s.
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公开(公告)号：EP1656398A1
公开(公告)日：2006-05-17
申请号：EP04741145.9
申请日：2004-07-19
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： MEIER, Gerben , COVEZZI, Massimo , BAITA, Pietro , MEI, Gabriele
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，以任何相互顺序：a）使乙烯任选地与一种或多种具有3至3个碳原子的α-烯烃共聚单体 在气相反应器中在氢气存在下进行反应，b）使乙烯与一种或多种具有3-12个碳原子的α-烯烃共聚单体在另一气相反应器中在少量氢气存在下共聚 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向上流过第一聚合区，离开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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Patent Agency Ranking
公开(公告)号：EP1599506A1
公开(公告)日：2005-11-30
申请号：EP04713877.1
申请日：2004-02-24
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： SCHMIDT, Christian, Ulrich , ZIEGLER, Stefan , MEI, Gabriele , BERTOLINI, Stefano , MEIER, Gerben
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.
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公开(公告)号：EP3394110A1
公开(公告)日：2018-10-31
申请号：EP16802037.8
申请日：2016-11-28
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： MAZZUCCO, Antonio , MEI, Gabriele , CAPUTO, Tiziana , PANTALEONI, Roberto , BALESTRA, Enrico , DI DIEGO, Maria , DESTRO, Mara , RINALDI, Riccardo
Abstract: b) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).
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公开(公告)号：EP3230324B1
公开(公告)日：2018-09-12
申请号：EP15812976.7
申请日：2015-12-01
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BAITA, Pietro , DALL'OCCO, Tiziano , DI DIEGO,Maria , LIGUORI, Dario , MARTURANO, Lorella , MAUS, Andreas , MEI, Gabriele , MEIER, Gerhardus , MORINI, Giampiero , PICA, Roberta , SCHUELLER, Ulf
IPC: C08F2/34 , C08F4/649 , C08F110/02
CPC classification number: C08F2/34 , C08F4/6493 , C08F4/6494 , C08F110/02 , C08F2410/02 , C08F2500/12 , C08F2500/18 , C08F4/6543 , C08F210/02
Abstract: The present disclosure provides a gas-phase polymerization process for preparing polyethylene, wherein halogenated alcohols in combination with a Ti based catalyst component and aluminum alkyls as co-catalyst suppress ethane formation or increase polymerization activity.
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公开(公告)号：EP3230324A1
公开(公告)日：2017-10-18
申请号：EP15812976.7
申请日：2015-12-01
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BAITA, Pietro , DALL'OCCO, Tiziano , DI DIEGO,Maria , LIGUORI, Dario , MARTURANO, Lorella , MAUS, Andreas , MEI, Gabriele , MEIER, Gerhardus , MORINI, Giampiero , PICA, Roberta , SCHUELLER, Ulf
IPC: C08F2/34 , C08F4/649 , C08F110/02
CPC classification number: C08F2/34 , C08F4/6493 , C08F4/6494 , C08F110/02 , C08F2410/02 , C08F2500/12 , C08F2500/18 , C08F4/6543 , C08F210/02
Abstract: The present disclosure provides a gas-phase polymerization process for preparing polyethylene, wherein halogenated alcohols in combination with a Ti based catalyst component and aluminum alkyls as co-catalyst suppress ethane formation or increase polymerization activity.
Abstract translation: 用于乙烯与Ti基催化剂组分和烷基铝作为助催化剂的气相聚合的卤化醇允许有效地抑制乙烷形成并同时增加聚合活性。
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公开(公告)号：EP2943515A1
公开(公告)日：2015-11-18
申请号：EP13811895.5
申请日：2013-12-18
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： COVEZZI, Massimo , MEI, Gabriele , Baita, Pietro , Marturano, Lorella
CPC classification number: C08F10/02 , C08F2/005 , C08F2410/02 , C08F110/02 , C08F2500/12 , C08F2500/18 , C08F2500/24
Abstract: A process for the preparation of ethylene polymers comprising polymerizing ethylene, optionally with one or more ±-olefin comonomers, in the presence of: (i) a solid catalyst component comprising titanium, magnesium, halogen and optionally an internal electron-donor compound, (ii) an aluminum alkyl compound, and (iii) an antistatic compound selected among the hydroxyesters with at least two free hydroxyl groups, wherein the weight ratio of aluminum alkyl compound to solid catalyst component is higher than 0.80 and the weight ratio of antistatic compound to aluminum alkyl compound is higher than 0.10.
Abstract translation: 一种制备乙烯聚合物的方法，包括在下列物质存在下聚合乙烯，任选地与一种或多种α-烯烃共聚单体共聚：（i）包含钛，镁，卤素和任选的内部电子给体化合物的固体催化剂组分，（ ii）烷基铝化合物，和（iii）选自具有至少两个游离羟基的羟基酯的抗静电化合物，其中烷基铝化合物与固体催化剂组分的重量比高于0.80，并且抗静电化合物与 烷基铝化合物高于0.10。
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