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11.发明授权
公开(公告)号：EP2943515B1
公开(公告)日：2017-02-08
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: 一种用于制备乙烯聚合物的方法，包括在以下存在下聚合乙烯，任选与一种或多种α-烯烃共聚单体：（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）铝烷基化合物，和（iii）选自具有至少两个游离羟基的羟基酯中的抗静电化合物，其中烷基铝化合物与固体催化剂组分的重量比高于0.80，抗静电化合物与 铝烷基化合物高于0.10。
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公开(公告)号：EP1799725B1
公开(公告)日：2010-03-17
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
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公开(公告)号：EP1692192A1
公开(公告)日：2006-08-23
申请号：EP04798119.6
申请日：2004-11-29
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： PENZO, Giuseppe , BIGIAVI, Daniele , COVEZZI, Massimo , TONTI, Maria, Silvia , FAIT, Anna , BAITA, Pietro
CPC classification number: C08F6/003 , C08F6/02 , C08F10/08 , C08F110/08 , C08F210/08 , C08F2/005 , C08F2/06 , C08F2500/12 , C08F2500/17 , C08F210/16
Abstract: A solution process for polymerizing one or more α-olefins of the formula CH2=CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: - continuously polymerizing in a liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; - the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30°C higher than 50 cP (centiPoise).
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公开(公告)号：EP3387066A1
公开(公告)日：2018-10-17
申请号：EP16805337.9
申请日：2016-11-22
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： COVEZZI, Massimo , MASSARI, Paola , CAVALIERI, Claudio , MARZOLLA, Roberta
IPC: C08L23/12 , C08F110/06
Abstract: A propylene polymer composition comprising: a) from 40 wt% to 80 wt% of a propylene 1-hexene copolymer containing from 5.5 to 9.0% by weight, of 1-hexene derived units having a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230°C/2.16 kg, i.e. at 230°C, with a load of 2.16 kg) from 3.5 to 12.0 g/10 min; b) from 20 wt% to 60 wt% of a propylene ethylene copolymer containing from 1.5 wt% to 6.5 wt% of ethylene derived units, a having a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230°C/2.16 kg, i.e. at 230°C, with a load of 2.16 kg) from 3.5 to 12.0 g/10 min.
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15.发明公开METHOD FOR IMPROVING THE OPERABILITY OF AN OLEFIN POLYMERIZATION REACTOR 有权VERFAHREN ZUR VERBESSERUNG DERFUNKTIONSFÄHIGKEITEINES OLEFINPOLYMERISATIONSREAKTORS
公开(公告)号：EP3038977A1
公开(公告)日：2016-07-06
申请号：EP14747389.6
申请日：2014-08-05
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： COVEZZI, Massimo , MEI, Gabriele , DI DIEGO, Maria , GESSI, Piero , BAITA, Pietro , PICA, Roberta
IPC: C01B33/14 , C01B33/157 , C08F2/00 , C09C1/28 , C09C1/30
CPC classification number: C09J151/06 , B32B7/12 , B32B15/085 , B32B27/06 , B32B2307/718 , C08F10/00 , C08F110/02 , C08F2410/02 , C08L23/06 , C08L23/20 , C08L51/06 , C08L2205/02 , C08L2205/03 , C08L2207/062 , C09J5/02 , C09J123/06 , C09J123/20 , C09J2205/306 , C09J2400/166 , C09J2423/00 , C09J2423/04 , C09J2451/00 , C09J2463/008 , C08F2/005 , C08F2/007 , C08F2500/07 , C08F2500/12 , C08F2500/18 , C08F2500/24 , C08F4/025 , C08F110/06 , C08F4/6492
Abstract: Feeding a supported antistatic compound that does not comprise a transition-metal-based catalyst component to an olefin polymerization reactor allows avoiding the formation of polymer agglomerates in the reactor while at the same time minimizing negative effects on catalyst yield.
Abstract translation: 将不包含过渡金属基催化剂组分的负载型抗静电化合物加入到烯烃聚合反应器中可以避免在反应器中形成聚合物附聚物，同时最小化对催化剂产率的负面影响。
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Patent Agency Ranking
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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17.发明授权
公开(公告)号：EP0980396B2
公开(公告)日：2009-08-19
申请号：EP99913213.7
申请日：1999-03-02
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： CECCHIN, Giuliano , COLLINA, Gianni , COVEZZI, Massimo
CPC classification number: C08F10/08 , C08F110/08 , Y10S526/901 , Y10S526/902 , Y10S526/904 , C08F4/6465 , C08F2500/15 , C08F2500/12 , C08F2500/04
Abstract: The present invention relates to polybutene-1 homopolymers, or copolymers containing up to 20 % by weight of alpha olefins having from 2 to 10 carbon atoms other than butene-1, characterized by the following properties: (i) an isotactic index (mmmm %), measured by NMR analysis according to the method specified below, of higher than 93; (ii) a Molecular Weight Distribution (MWD) in terms of Mw/Mn, measured by GPC analysis according to the method specified below, of higher than 6; and (iii) a content of catalytic residues expressed in terms of Ti ppm of lower than 50. Said polymers are very suitable for the preparation of articles, in particular pipes, having improved creep and burst stress resistance.
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公开(公告)号：EP2046846A2
公开(公告)日：2009-04-15
申请号：EP07787787.6
申请日：2007-07-20
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： GOVONI, Gabriele , COVEZZI, Massimo , PENZO, Giuseppe , CIARROCCHI, Antonio , DE LUCIA, Antonio
IPC: C08F210/06
CPC classification number: C08F297/08 , C08F210/06 , C08F297/083 , C08L23/10 , C08L23/142 , C08L2205/02 , C08L2205/025 , C08L2207/02 , C08L2308/00 , C08F2/001 , C08F2/34 , C08L2666/02 , C08L2666/06 , C08F210/16 , C08F2500/18 , C08F2500/17 , C08F2500/26
Abstract: A polymerization process for preparing heterophasic propylene copolymers in two or more gas-phase reactors connected in series, in the presence of a polymerization catalyst comprising a catalytic component based on a titanium compound supported on magnesium halide, the process comprising the following steps: - contacting said catalytic component with an organo-Aluminum compound at a temperature from 5°C to 30°C and a weight ratio propylene/(catalytic component) ranging from 0 to 2.0; - prepolymerizing the catalyst from A) with propylene, optionally in the presence of an inert hydrocarbon solvent; - polymerizing propylene, optionally with an another -olefin comonomer in an amount lower than 15% by weight, to prepare a semicrystalline polymer component; - successively copolymerizing two or more alpha-olefin comonomers C2-C10 to prepare one or more olefin copolymers having a solubility in xylene higher than 15% by weight; the process being characterized in that the bulk density of the semi-crystalline component of step C) is adjusted at a value lower than 0.40 g/cm3.
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公开(公告)号：EP1656398B1
公开(公告)日：2006-12-06
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.
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20.发明授权
公开(公告)号：EP1023348B1
公开(公告)日：2005-10-12
申请号：EP99941514.4
申请日：1999-08-03
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： GOVONI, Gabriele , COVEZZI, Massimo , NEWS, Jean
IPC: C08F297/08 , C08F10/02 , C08F10/06 , C08F2/00 , C08L23/10
CPC classification number: C08F297/083 , C08F4/65912 , C08F10/00 , C08F10/06 , C08F210/06 , C08F297/08 , C08L23/0815 , C08L23/14 , C08L2207/02 , C08L2308/00 , C08F4/65927 , C08F2/001 , C08F2/42 , C08L2666/04 , C08F210/16 , C08F2500/12 , C08F2500/17
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