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公开(公告)号：EP2931513A1
公开(公告)日：2015-10-21
申请号：EP13798295.5
申请日：2013-11-25
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： GALVAN, Monica , NEUMANN, Andreas , FUSCO, Ofelia , GADDI, Benedetta , COLLINA, Gianni , CAPUTO, Tiziana , SQUARZONI, Stefano , MAZZUCCO, Antonio
CPC classification number: C08F10/14 , B32B1/08 , B32B27/08 , B32B27/32 , B32B2307/558 , B32B2597/00 , C08F210/06 , C08J5/18 , C08J2323/14 , C08L2314/02 , F16L9/12 , C08F4/651 , C08F2/001 , C08F210/14 , C08F210/16 , C08F2500/12 , C08F2500/21 , C08F4/6492 , C08F4/6548
Abstract: A terpolymer containing propylene, ethylene and 1-hexene obtainable by the step of copolymerizing propylene, ethylene and 1-hexene in the presence of a catalyst system comprising the product 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 at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound. wherein in the terpolymer (i) the content of 1-hexene derived units ranges from 0.5 to 5.0 wt%; (ii) the content of ethylene derived units is higher than 1.4 t% and fulfils the following relation (1): C �¢ 2
Abstract translation: 含有丙烯，乙烯和1-己烯的三元共聚物可通过在催化剂体系存在下共聚合丙烯，乙烯和1-己烯的步骤获得，所述催化剂体系包含通过使以下组分接触获得的产物：（a）包含镁的固体催化剂组分 卤化物，至少具有Ti-卤素键的钛化合物和至少两种电子给体化合物，其中一种以相对于供体总量为40至90摩尔％的量存在，并且选自琥珀酸盐和其它 选自1,3二醚，（b）铝烃基化合物，和（c）任选的外电子给体化合物。 其中在三元共聚物（i）中，1-己烯衍生单元的含量为0.5-5.0wt％; （ii）乙烯衍生单元的含量高于1.4t％，满足以下关系式（1）：C ¢2
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公开(公告)号：EP2897987A1
公开(公告)日：2015-07-29
申请号：EP13760006.0
申请日：2013-09-05
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BALESTRA, Enrico , CAPUTO, Tiziana , DORINI, Maurizio , MAZZUCCO, Antonio , SOFFRITTI, Silvia
CPC classification number: C08F10/06 , B01J8/24 , B01J8/26 , B01J8/388 , B01J19/24 , B01J2208/00274 , B01J2208/00283 , B01J2208/00734 , B01J2219/00164 , B01J2219/24 , C08F10/00 , C08F210/06 , C08F2/34 , C08F2/005 , C08F2/001 , C08F210/16 , C08F2500/12 , C08F2/01
Abstract: A process and apparatus for producing olefin polymers are disclosed, comprising: a. polymerizing one or more olefins in the gas phase, in the presence of an olefin polymerization catalyst, whereby growing polymer particles flow along a cylindrically- shaped downward path in densified form under the action of gravity so as to form a densified bed of downward-flowing polymer particles b. allowing said polymer particles to flow through a restriction of the densified bed, such restriction being positioned in a restriction zone extending from the bed upward to a distance of 15% of the total height of the densified bed; and c. metering an antistatic agent through a feed line connected to the densified bed at a feed point being located in a feed zone extending from the top of the restriction upward, to a distance five times the diameter of the section of the densified bed above the restriction.
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公开(公告)号：EP2870280A1
公开(公告)日：2015-05-13
申请号：EP13730182.6
申请日：2013-06-13
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： GALVAN, Monica , NEUMANN, Andreas , PANTALEONI, Roberto , MAZZUCCO, Antonio , FUSCO, Ofelia , GADDI, Benedetta , COLLINA, Gianni
CPC classification number: D01F6/06 , B29C47/0004 , B29K2023/12 , B29L2031/731 , D04H3/007 , D04H3/016 , D04H3/16 , D10B2321/022 , Y10T442/681 , C08F10/00 , C08F4/651 , C08F4/6545 , C08F4/6492 , C08F110/06 , C08F2500/12
Abstract: Fibers comprising a polypropylene obtainable by a process comprising the steps of: (i) polymerizing propylene in the presence of a catalyst system comprising the product 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 at least two electron donor compounds one of which being present in an amount from 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound, to obtain a polypropylene precursor having a melt flow rate MFR1; (ii) subjecting the thus-obtained polypropylene precursor to visbreaking to obtain a visbroken polypropylene having a melt flow rate MFR2; (iii) spinning the visbroken polypropylene obtained in the previous step; wherein MFR2 is comprised between from 15 to 40 g/10min, the ratio MFR2/MFR1 is comprised between 8 and 18, both MFR1 and MFR2 being measured according to ISO method 1133 (230° C, 2.16 kg).
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公开(公告)号：EP2585501A1
公开(公告)日：2013-05-01
申请号：EP11726108.1
申请日：2011-06-09
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BALESTRA, Enrico , CAPUTO, Tiziana , MAZZUCCO, Antonio , RINALDI, Riccardo , SOFFRITTI, Silvia
IPC: C08F210/06 , C08F2/34 , C08F2/00
CPC classification number: C08F2/01 , C08F210/06 , C08F2/001 , C08F2/34 , C08F210/14 , C08F210/16
Abstract: A process for the gas-phase copolymerization of: (a)propylene, (b) at least one C
4 -C
8 α-olefin, and (c) optionally ethylene, the process being carried out in a reactor having 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, leave said downcomer and are reintroduced into said riser, thus establishing a circulation of polymer between the riser and the downcomer, the gas mixture present in the riser being at least partially prevented from entering the downcomer by introducing into the upper part of said downcomer a liquid barrier having a composition different from the gaseous mixture present in the riser and comprising at least one C
4 -C
8 α-olefin in a total amount of from 0.1% to 35% by mol.-
公开(公告)号：EP2225022B1
公开(公告)日：2011-06-08
申请号：EP08863810.1
申请日：2008-12-17
Applicant: Basell Poliolefine Italia S.r.l.
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 Fp 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.
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Patent Agency Ranking
公开(公告)号：EP4267696A1
公开(公告)日：2023-11-01
申请号：EP21843929.7
申请日：2021-12-21
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： ARICH DE FINETTI, Nicolò , BRITA, Diego , MAZZUCCO, Antonio
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公开(公告)号：EP3914626A1
公开(公告)日：2021-12-01
申请号：EP20701051.3
申请日：2020-01-21
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： CAPUTO, Tiziana , MAZZUCCO, Antonio , ARICH DE FINETTI, Nicolò , BOCCHINO, Marco
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公开(公告)号：EP3394110B1
公开(公告)日：2020-10-07
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
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公开(公告)号：EP2475690B1
公开(公告)日：2014-01-08
申请号：EP10749834.7
申请日：2010-08-27
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： MAZZUCCO, Antonio , CAPUTO, Tiziana , RINALDI, Riccardo
IPC: C08F10/00 , C08F110/06 , C08F210/06
CPC classification number: C08F210/06 , C08F110/06 , C08F2/005 , C08F2/34 , C08F2/001 , C08F2500/12 , C08F2500/18 , C08F2500/24 , C08F210/16
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公开(公告)号：EP2281010A1
公开(公告)日：2011-02-09
申请号：EP09753799.7
申请日：2009-05-15
Applicant: Basell Poliolefine Italia S.r.l.
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: 在具有互连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运输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 （降液管），在重力作用下它们向下流动，离开所述降液管并被再次引入提升管，从所述第一聚合区排出气体再循环流，经受冷却到其露点以下，然后返回到所述第一 该方法的特征在于所述气体再循环流在低于其露点0.05℃至3℃的温度Tc下冷却。
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