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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under the action of gravity, leave said downcomer and are reintroduced into the riser, a gas recycle stream being withdrawn from said first polymerisation zone, subjected to cooling below its dew point and then returned to said first polymerisation zone, the process being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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公开(公告)号：WO2018134007A1
公开(公告)日：2018-07-26
申请号：PCT/EP2017/082977
申请日：2017-12-15
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： BALESTRA, Enrico , CAPUTO, Tiziana , COVEZZI, Massimo , DORINI, Maurizio , MAZZUCCO, Antonio , MEI, Gabriele , RINALDI, Riccardo
Abstract: A fluid is fed into a polymer bed of a fluidized bed gas phase polymerization reactor by introducing it into the polymer bed through a distributor protruding into the fluidized bed zone of the reactor and terminating with a discharge end positioned so that the following equation is fulfilled: d/D > 0.002 wherein d is the distance of the distributor's discharge end from the wall of the reactor, and D is the diameter of the reactor in the fluidized bed zone.
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公开(公告)号：WO2018083161A1
公开(公告)日：2018-05-11
申请号：PCT/EP2017/078033
申请日：2017-11-02
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： BAITA, Pietro , COVEZZI, Massimo , DI DIEGO, Maria , MARTURANO, Lorella , MAZZUCCO, Antonio , MEI, Gabriele , PICA, Roberta
IPC: C08F110/02 , C08F2/34 , C08F4/654 , C08F4/649
Abstract: A gas-phase process for the homo or copolymerization of olefins carried out in the presence of a catalyst system formed by a contacting in a liquid hydrocarbon and in the presence of hydrogen (a) a solid catalyst component comprising a Ti, Mg and C1, and optionally an internal electron donor compound, (b) an aluminum alkyl compound and optionally (c) an external donor compound.
Abstract translation: 在催化剂体系存在下进行烯烃的均相或共聚的气相方法，所述催化剂体系通过在液态烃中和在氢存在下接触而形成（a）固体催化剂组分 （b）烷基铝化合物和任选的（c）外部给体化合物，其中所述化合物包含Ti，Mg和C1以及任选的内部电子给体化合物。
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公开(公告)号：WO2007033941A1
公开(公告)日：2007-03-29
申请号：PCT/EP2006/066421
申请日：2006-09-15
Applicant: Basell Poliolefine Italia s.r.l. , PATER, Jochem , BAITA, Pietro , MEI, Gabriele , MAZZUCCO, Antonio
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.
Abstract translation: 一种在聚合催化剂体系存在下气相聚合一种或多种α-烯烃的方法，该方法包括：a）以连续的方式使包含一种或多种所述α-烯烃的气体与所述催化剂体系 在气相管式反应器中，在30℃至130℃的温度下，以获得高达500克/克催化剂体系的聚合度; b）将预聚物从步骤a）连续进料到连续的气相聚合反应器; 其中所述气相管式反应器具有高于100的长度/直径比。
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公开(公告)号：WO2006067052A1
公开(公告)日：2006-06-29
申请号：PCT/EP2005/056624
申请日：2005-12-09
Applicant: Basell Poliolefine Italia s.r.l. , MEI, Gabriele , PATER, Joachim , BERTOLINI, Stefano
Inventor： MEI, Gabriele , PATER, Joachim , BERTOLINI, Stefano
IPC: B01J8/18
CPC classification number: B01J19/2435 , B01J8/1863 , B01J2219/00006 , B01J2219/0004 , C08F10/06 , C08F210/06 , C08F2/001 , C08F210/16 , C08F2500/12 , C08F2500/17
Abstract: A process for preparing heterophasic propylene copolymers by polymerizing propylene in the presence of a polymerization catalyst and hydrogen as a molecular weight regulator, the process comprising the following steps: a) polymerizing in gas- or liquid-phase propylene to prepare a crystalline polymer fraction; b) copolymerizing ethylene with propylene and/or 1 -butene, and optionally one or more alpha-olefin comonomers Cs-C12, in a gas-phase reactor having interconnected polymerization zones, wherein 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.
Abstract translation: 一种通过在聚合催化剂和氢气作为分子量调节剂的存在下聚合丙烯制备多相丙烯共聚物的方法，该方法包括以下步骤：a）在气相或液相丙烯中聚合以制备结晶聚合物级分; b）在具有互连聚合区的气相反应器中使乙烯与丙烯和/或1-丁烯和任选的一种或多种α-烯烃共聚单体C 8 -C 12共聚，其中生长的聚合物颗粒向上流过第一聚合区（ 立管）在快速流化或运输条件下离开所述提升管并进入第二聚合区（降液管），通过它们在重力作用下向下流动。
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Patent Agency Ranking
公开(公告)号：WO2006040240A1
公开(公告)日：2006-04-20
申请号：PCT/EP2005/054645
申请日：2005-09-19
Applicant: Basell Poliolefine Italia s.r.l. , MEI, Gabriele , COVEZZI, Massimo , BERTOLINI, Stefano
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.
Abstract translation: 在催化剂体系存在下，一种或多种α-烯烃的气相聚合方法，该方法包括：在预聚合反应器中以连续方式使一种或多种所述α-烯烃与所述催化剂体系接触，其中 反应在液体介质中在23℃至50℃的温度下进行; 在步骤a）中获得的预聚物连续进料到具有互连聚合区的气相反应器中，其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（提升管）向上流动，离开所述提升管并进入第二个 聚合区（降液管）通过它们在重力作用下向下流动，离开所述降液管并重新引入所述提升管中; 其中从步骤a）获得的预聚物在所述提升管的部分连续进料，其特征在于高于3.0m / s的向上气体速度。
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公开(公告)号：EP3601376A1
公开(公告)日：2020-02-05
申请号：EP18709007.1
申请日：2018-03-07
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： MEI, Gabriele , MAZZUCCO, Antonio , CAPUTO, Tiziana , BALESTRA, Enrico , TARTARI, Davide , MASSARI, Paola
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公开(公告)号：EP3535303A1
公开(公告)日：2019-09-11
申请号：EP17800734.0
申请日：2017-11-02
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BAITA, Pietro , COVEZZI, Massimo , DI DIEGO,Maria , MARTURANO, Lorella , MAZZUCCO, Antonio , MEI, Gabriele , PICA, Roberta
IPC: C08F110/02 , C08F2/34 , C08F4/654 , C08F4/649
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公开(公告)号：EP3201239B1
公开(公告)日：2019-07-03
申请号：EP15766518.3
申请日：2015-09-22
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BAITA, Pietro , DALL'OCCO, Tiziano , DI DIEGO, Maria , LIGUORI, Dario , MARTURANO, Lorella , MEI, Gabriele , MORINI, Giampiero , PICA, Roberta
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公开(公告)号：EP1720913B1
公开(公告)日：2009-03-25
申请号：EP05707133.4
申请日：2005-01-31
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： MEI, Gabriele , BERTOLINI, Stefano
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 m3 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 m2.
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