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公开(公告)号：US10435490B2
公开(公告)日：2019-10-08
申请号：US15750391
申请日：2016-07-14
发明人： Giuseppina Maria Algozzini , Diego Brita , Massimo Cenci , Gianni Collina , Tiziano Dall'occo , Maria Di Diego , Benedetta Gaddi , Ofelia Fusco , Giampiero Morini , Lorella Pedriali
IPC分类号： C08F110/02 , C08F110/06 , C08F10/06 , C08F2/34 , C08F4/649 , C08F4/651
摘要： A Prepolymerized catalyst component for the polymerization of olefins comprising a solid catalyst component which comprises Mg, Ti, and chlorine atoms and an electron donor (ID) said prepolymerized catalyst component being characterized by the fact that: the electron donor (ID) is constituted by at least 80% mol of 1,3 diethers with respect to the total molar amount of electron donor compounds; the prepolymerized catalyst has a porosity due to pores with diameters up to 1 μm of less than 0.2 cm3/g; it contains an amount of ethylene prepolymer of less than 45% with respect to the total weight of prepolymerized catalyst.
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公开(公告)号：US09683062B2
公开(公告)日：2017-06-20
申请号：US15031913
申请日：2014-10-21
发明人： Benedetta Gaddi , Marco Bocchino , Gianni Collina , Ofelia Fusco , Simona Guidotti , Antonio Mazzucco , Roberto Pantaleoni , Fabrizio Piemontesi
IPC分类号： C08J9/00 , C08F210/06 , C08F10/06 , C08F210/02
CPC分类号： C08F210/02 , C08F10/06 , C08J9/0052 , C08J9/0066 , C08F210/06 , C08F210/16 , C08F2500/12 , C08F2500/18 , C08F2500/24 , C08F4/6492 , C08F4/651 , C08F2/001 , C08F4/6545
摘要： The present disclosure relates to a process for the preparation of a porous propylene carried out in the presence of a catalyst system comprising (a) a Ziegler-Natta catalyst containing at least two electron donor compounds, one of which is present in an amount from 50 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 alkyl and comprising the following steps: i) contacting the catalyst components (a) and (b) for a period of time ranging from 1 to 60 minutes, at a temperature ranging from 35 to 55° C.; optionally, ii) pre-polymerizing with one or more olefins of formula CH2═CHR, where R is H or a C1-C10 hydrocarbon group, up to forming amounts of polymer from about 0.1 up to about 1000 g per gram of solid catalyst component (a); and iii) polymerizing propylene in the optional presence of minor amounts of ethylene and/or C4-C10 alpha olefins for producing the porous propylene (co)polymer.
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公开(公告)号：US09765161B2
公开(公告)日：2017-09-19
申请号：US14654201
申请日：2013-12-11
IPC分类号： C08F110/06 , C07F3/02 , C08F10/06
CPC分类号： C08F110/06 , C07F3/02 , C08F2/00 , C08F4/6548 , C08F10/06 , C08F10/00 , C08F4/6543 , C08F4/651 , C08F4/6465 , C08F2500/18
摘要： Spherical adducts comprising a MgCl2, an alcohol ROH in which R is a C1-C10 hydrocarbon group, present in a molar ratio with MgCl2 ranging from 0.5 to 6 and less than 20% mol based on the mol of MgCl2 of a compound of formula Mg(OR1)2 in which R1 is selected from C1-C10 alkyl groups or R2CO groups in which R2 is selected from C1-C6 alkyl or aryl groups.
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公开(公告)号：US09920144B2
公开(公告)日：2018-03-20
申请号：US15507998
申请日：2015-08-20
发明人： Arrigo Arletti , Lucia Caiazzo , Gianni Collina , Daniele Evangelisti , Ofelia Fusco , Benedetta Gaddi
IPC分类号： C08F110/06
CPC分类号： C08F110/06 , B01J31/0204 , B01J31/0209 , B01J31/0274 , B01J31/0275 , B01J31/143 , B01J31/38 , C08F10/06 , C08F4/6543 , C08F2500/18 , C08F2500/15 , C08F2500/24
摘要： The present disclosure relates to a porous solid adduct comprising magnesium chloride and ethanol, characterized by a relationship between the content of alcohol, average pore radius and amount of porosity deriving from pores with radii of 100-1000 nm, and catalyst components produced therefrom that are capable of producing polyolefins with increased porosity.
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公开(公告)号：US09650458B2
公开(公告)日：2017-05-16
申请号：US14774591
申请日：2014-03-03
发明人： Monica Galvan , Andreas Neumann , Tiziana Caputo , Stefano Squarzoni , Antonio Mazzucco , Ofelia Fusco , Benedetta Gaddi , Gianni Collina , Gisella Biondini , Claudio Cavalieri , Roberto Pantaleoni
IPC分类号： C08F210/06 , C08F4/646 , C08F4/649 , C08F4/654
CPC分类号： C08F210/06 , C08F4/6543 , C08F4/651 , C08F110/06 , C08F4/6492 , C08F210/16 , C08F210/08 , C08F2500/12 , C08F2500/26
摘要： Propylene terpolymers are prepared by polymerizing propylene, ethylene and an alpha-olefin selected from the group of C4-C8 alpha-olefins in the presence of a catalyst system obtained by contacting 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 selected from 1,3 diethers, an aluminum hydrocarbyl compound, and optionally an external electron donor compound.
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6.发明申请公开(公告)号：US20140316069A1
公开(公告)日：2014-10-23
申请号：US14358753
申请日：2012-11-07
发明人： Monica Galvan , Roberto Pantaleoni , Ofelia Fusco , Benedetta Gaddi , Andreas Neumann , Antonio Mazzucco , Gianni Collina , Marco Ciarafoni
IPC分类号： C08L23/12
CPC分类号： C08L23/12 , C08F10/06 , C08F4/651 , C08F4/6543 , C08F2/00 , C08F210/16 , C08F210/06 , C08F2500/11 , C08F2500/12 , C08F2500/17 , C08F2500/21 , C08F2/001 , C08F110/06 , C08L23/16
摘要： A process for the preparation of propylene polymer compositions comprising from 50 to 90% by weight of a propylene (co)polymer fraction insoluble in xylene at 25° C., and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25° C., said process comprising: (i) a first step of polymerizing propylene in the optional presence of ethylene and/or C4-C10 alpha olefins, to produce a propylene (co)polymer being for at least 85% by weight insoluble in xylene at 25° C.; and (ii) a successive step, carried out in gas-phase, in the presence of the product coming from step (i), of copolymerizing a mixture of ethylene with one or more α-olefins CH2═CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce an ethylene copolymer; the process being carried out in the presence of a catalyst system comprising: the product obtained by contacting: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two internal electron donor compounds one of which being present in an amount from 35 to 90% by mol with respect to the total amount of donors and being selected from succinates and the other being selected from 1,3-diethers, the total amount of internal electron donor compounds being lower than 14.0% by weight with respect to the total weight of the solid catalyst component; with (b) an aluminum hydrocarbyl compound, and optionally with (c) an external electron donor compound.
摘要翻译： 一种制备丙烯聚合物组合物的方法，其包含50至90重量％的在25℃下不溶于二甲苯的丙烯（共）聚合物部分和10至50重量％的可溶于二甲苯的乙烯共聚物部分 所述方法包括：（i）在乙烯和/或C 4 -C 10α-烯烃的任选存在下聚合丙烯以产生丙烯（共）聚合物至少85重量％的第一步骤 在25℃不溶于二甲苯。 和（ii）在来自步骤（i）的产物存在下，在气相中进行共聚合乙烯与一种或多种α-烯烃CH 2 = CHR的混合物的连续步骤，其中R是烃 具有1-10个碳原子的基团，以制备乙烯共聚物; 该方法在催化剂体系存在下进行，该催化剂体系包括：通过使（a）包含卤化镁的固体催化剂组分，至少具有Ti-卤素键的钛化合物和至少两个内部电子给体 其中一种相对于供体总量为35至90摩尔％，其中一种选自琥珀酸酯，另一种选自1,3-二醚，内给电子体化合物的总量为 相对于固体催化剂组分的总重量低于14.0重量％ 与（b）铝烃基化合物，和任选与（c）外电子给体化合物。
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公开(公告)号：US11267907B2
公开(公告)日：2022-03-08
申请号：US16647766
申请日：2018-09-07
摘要： A process for the preparation of a solid catalyst component for the polymerization of CH2═CHR olefins, wherein R is hydrogen or hydrocarbyl radical with 1-12 carbon atoms, made from or containing a Ti compound on a Mg chloride based support, including the steps of (a) reacting a Mg based compound with a liquid medium made from or containing a Ti compound, at a temperature ranging from 0 to 150° C., thereby yielding solid particles; and (b) suspending the solid particles coming from step (a) in a liquid medium made from or containing hydrocarbons at a temperature ranging from 10 to 100° C., wherein step (a) or (b) is carried out in the presence of 0.2 to 20.0% by weight, with respect to the amount of Mg compound, of particles of a solid compound containing more than 50% by weight of SiO2 units and having average particle size from 1 to 100 μm.
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公开(公告)号：US11034781B2
公开(公告)日：2021-06-15
申请号：US16468628
申请日：2017-12-12
发明人： Gianni Collina , Maria Di Diego , Benedetta Gaddi , Piero Gessi , Lorella Marturano , Giampiero Morini
IPC分类号： C08F110/02
摘要： A catalyst component made from or containing Ti, Mg, chlorine, an amount of a first internal donor selected from esters of aliphatic monocarboxylic acids (EAA), and an amount of a second internal donor selected from cyclic ethers (CE), wherein the EAA/CE molar ratio ranges from 0.02 to less than 20.
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公开(公告)号：US10221261B2
公开(公告)日：2019-03-05
申请号：US14346648
申请日：2012-09-17
发明人： Monica Galvan , Roberto Pantaleoni , Ofelia Fusco , Benedetta Gaddi , Andreas Neumann , Antonio Mazzucco , Gianni Collina , Gabriella Sartori
IPC分类号： C08F210/06 , C08F10/06 , C08J5/18 , B01J31/02
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 (1ID) 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-aluminum 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：US09752023B2
公开(公告)日：2017-09-05
申请号：US14358753
申请日：2012-11-07
发明人： Monica Galvan , Roberto Pantaleoni , Ofelia Fusco , Benedetta Gaddi , Andreas Neumann , Antonio Mazzucco , Gianni Collina , Marco Ciarafoni
CPC分类号： C08L23/12 , C08F10/06 , C08F4/651 , C08F4/6543 , C08F2/00 , C08F210/16 , C08F210/06 , C08F2500/11 , C08F2500/12 , C08F2500/17 , C08F2500/21 , C08F2/001 , C08F110/06 , C08L23/16
摘要： Preparing propylene polymer compositions comprising 50 to 90% by weight of a propylene (co)polymer, and 10 to 50% by weight of an ethylene copolymer. The polymerization process includes, in the presence of a catalyst system: (i) a first step of polymerizing propylene to produce the propylene (co)polymer; and (ii) a successive gas-phase polymerization step performed in the presence of the propylene (co)polymer, ethylene, and one or more α-olefins to produce the ethylene copolymer. The catalyst system contains the product obtained by contacting: (a) a solid catalyst component comprising at least two internal electron donor compounds, a succinate and a 1,3-diether; (b) an aluminum hydrocarbyl compound, and (c) optionally, an external electron donor compound.
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