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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
发明人： GALVAN, Monica , NEUMANN, Andreas , PANTALEONI, Roberto , MAZZUCCO, Antonio , FUSCO, Ofelia , GADDI, Benedetta , COLLINA, Gianni
CPC分类号： 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
摘要： 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
IPC分类号： C08F210/06 , C08F2/34 , C08F2/00
CPC分类号： C08F2/01 , C08F210/06 , C08F2/001 , C08F2/34 , C08F210/14 , C08F210/16
摘要： 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
发明人： MAZZUCCO, Antonio , RINALDI, Riccardo , SOFFRITTI, Silvia , BALESTRA, Enrico , PENZO, Giuseppe , MEI, Gabriele
CPC分类号： B01J19/2435 , B01J2219/00164 , B01J2219/00166 , B01J2219/00173 , C08F10/00 , C08F110/06 , C08F210/06 , C08F2/34 , C08F2/001 , C08F2500/05 , C08F210/16
摘要： 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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公开(公告)号：EP3601383A1
公开(公告)日：2020-02-05
申请号：EP18711593.6
申请日：2018-03-23
发明人： MEI, Gabriele , MAZZUCCO, Antonio , CAPUTO, Tiziana , BALESTRA, Enrico , TARTARI, Davide , MOSCARDI, Gilberto
IPC分类号： C08F210/06 , C08L23/10
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公开(公告)号：EP2758440B1
公开(公告)日：2018-06-20
申请号：EP12759441.4
申请日：2012-09-17
发明人： GALVAN, Monica , PANTALEONI, Roberto , FUSCO, Ofelia , GADDI, Benedetta , NEUMANN, Andreas , MAZZUCCO, Antonio , COLLINA, Gianni , SARTORI, Gabriella
CPC分类号： C08F10/06 , B01J31/0204 , B01J31/0209 , C08J5/18 , C08J2323/14 , C08F4/651 , C08F4/6543 , C08F110/06 , C08F2500/04 , C08F2500/12 , C08F2500/15
摘要： A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (HD) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with (b) an organo-aluminium compound, and optionally with (c) an external electron donor compound, said process being carried out at a temperature equal or higher than 78° C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.
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公开(公告)号：EP2897987B1
公开(公告)日：2016-12-28
申请号：EP13760006.0
申请日：2013-09-05
CPC分类号： 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
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公开(公告)号：EP2726516A1
公开(公告)日：2014-05-07
申请号：EP12728592.2
申请日：2012-06-21
发明人： GALVAN, Monica , PANTALEONI, Roberto , FUSCO, Ofelia , GADDI, Benedetta , NEUMANN, Andreas , MAZZUCCO, Antonio , COLLINA, Gianni
CPC分类号： C08F4/16 , B32B27/08 , B32B27/32 , B32B2307/518 , B32B2307/546 , B32B2553/00 , C08J5/18 , C08J2323/12 , C08F110/06 , C08F4/6492 , C08F4/651 , C08F2500/12 , C08F2500/15 , C08F2500/26
摘要： Films or sheets of polypropylene, particularly biaxially oriented polypropylene (BOPP) films, exhibiting excellent physical and mechanical properties combined with good processing characteristics can be prepared from propylene polymers prepared in the presence of Ziegler-Natta catalysts comprising a succinate and a diether compound.
摘要翻译： 可以在包含琥珀酸酯和二醚化合物的齐格勒 - 纳塔催化剂存在下制备的丙烯聚合物制备具有优异的物理和机械性能以及良好加工特性的聚丙烯，特别是双轴取向聚丙烯（BOPP）薄膜或片材。
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公开(公告)号：EP2281010B1
公开(公告)日：2013-03-20
申请号：EP09753799.7
申请日：2009-05-15
发明人： RINALDI, Riccardo , MAZZUCCO, Antonio , BALESTRA, Enrico , PENZO, Giuseppe , DORINI, Maurizio , MEI, Gabriele
CPC分类号： B01J19/2435 , B01J19/2465 , B01J2219/00087 , C08F10/00 , C08F110/02 , C08F110/06 , Y10S526/901 , C08F2/34 , C08F2/001 , C08F2/01 , C08F2500/05 , C08F2500/15
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公开(公告)号：EP2519549A1
公开(公告)日：2012-11-07
申请号：EP10796379.5
申请日：2010-12-17
CPC分类号： C08J7/123 , C08F10/00 , C08F210/06 , C08J2323/02 , C08K5/0075 , C08K5/1515 , C08F210/16 , C08F2500/26 , C08F2/34 , C08F2/005
摘要： A process for the production of a corona-treated polyolefin film comprising the gas-phase polymerization of one or more α-olefins in the presence of a polymerization catalyst and an antistatic agent having a molecular weight higher than 500, said antistatic agent being fed at any stage of the polymerization process in an amount from 30 to 500 ppm weight based on the weight of the produced polyolefin.
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公开(公告)号：EP2480606A1
公开(公告)日：2012-08-01
申请号：EP10745274.0
申请日：2010-08-26
发明人： GALVAN, Monica , CIARAFONI, Marco , COLLINA, Gianni , FUSCO, Ofelia , PANTALEONI, Roberto , MAZZUCCO, Antonio
IPC分类号： C08L23/12 , C08F297/08
CPC分类号： C08F297/083 , C08F110/06 , C08F210/06 , C08L23/12 , C08L23/16 , C08L2205/02 , C08L2207/02 , C08L2308/00 , C08L2314/02 , C08L2666/06 , C08F2500/04 , C08F2500/12 , C08F210/16 , C08F2500/17
摘要： A propylene polymer composition comprising (percent by weight): A) 74%-84% of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25 °C, higher than 90 %, and a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 110 to 200 g/10 min; B) 16%-26%, of a copolymer of propylene with from 39% to 48%, of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 2.7 and 4.0 dl/g; and a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 30 to 80 g/10 min.
摘要翻译： 一种丙烯聚合物组合物，其包含（重量百分数）：A）74％-84％的多分散指数（PI）值为4.6-10的丙烯均聚物，25℃时不溶于二甲苯的部分，高于90％ ，并且110至200g / 10min的MFR L（根据ISO 1133的熔体流动速率，条件L，即230℃和2.16kg载荷）; B）16％-26％的丙烯与39％至48％乙烯衍生单元的共聚物; 所述组合物在25℃下可溶于二甲苯的部分的特性粘度为2.7至4.0dl / g; 和30至80g / 10min的MFR L（根据ISO 1133的熔体流动速率，条件L，即230℃和2.16kg载荷）。
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