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1.发明授权公开(公告)号：US09266979B2
公开(公告)日：2016-02-23
申请号：US13376000
申请日：2010-06-16
CPC分类号： C08F10/00 , C08F110/06 , C08F4/6543 , C08F4/6555 , C08F4/651 , C08F2500/12 , C08F2500/18 , C08F2500/24
摘要： Catalyst components for the polymerization of olefins CH2═CHR wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising Mg, Ti, Cl and a compound (L) or its derivatives, selected from condensed cyclic structures which are formed by at least an aromatic ring and which are substituted with at least two hydroxy groups, said Cl and Ti atoms being in an amount such as to have a molar ratio ranging from 5 to 50.
摘要翻译： 用于烯烃CH 2 = CHR聚合的催化剂组分，其中R是氢或具有1-12个碳原子的烃基，包括Mg，Ti，Cl和化合物（L）或其衍生物，其选自稠合的环状结构，其由 至少一个芳环，并被至少两个羟基取代，所述Cl和Ti原子的量为使其摩尔比为5-50。
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公开(公告)号：US20090156758A1
公开(公告)日：2009-06-18
申请号：US11992032
申请日：2006-09-15
CPC分类号： 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
摘要： 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.
摘要翻译： 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：US20070282083A1
公开(公告)日：2007-12-06
申请号：US10581983
申请日：2004-11-24
申请人： Pietro Baita , Massimo Covezzi , Gabriele Mei , Giampiero Morini , Joachim Pater
发明人： Pietro Baita , Massimo Covezzi , Gabriele Mei , Giampiero Morini , Joachim Pater
CPC分类号： C08F10/00 , C08F10/02 , C08F210/16 , C08F4/6494 , C08F4/651 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/08 , C08F2500/07 , C08F210/08
摘要： A process for preparing a broad molecular weight polyethylene carried out in the presence of a catalyst system comprising (i) a solid catalyst component comprising Mg, Ti, halogen, and optionally an internal electron donor compound, and (ii) an Al-alkyl cocatalyst said process comprising at least two step of polymerization (a) and (b), in which: in a first step (a) ethylene is polymerized in the presence of a molecular weight regulator in order to produce a ethylene (co)polymer, and in a further step (b), which is carried out in the presence of an external electron donor compound added to this polymerization step as a fresh reactant, ethylene is copolymerized with an alpha olefin of formula CH2═CHR, in which R is a C1-C20 hydrocarbon group, to produce an ethylene copolymer having a molecular weight higher than that of the copolymer produced in step (b).
摘要翻译： 一种制备在催化剂体系存在下进行的宽分子量聚乙烯的方法，包括（i）包含Mg，Ti，卤素和任选的内电子给体化合物的固体催化剂组分，和（ii）Al-烷基助催化剂 所述方法包括至少两个聚合步骤（a）和（b）），其中：在第一步（a）中，在分子量调节剂存在下使乙烯聚合以产生乙烯（共）聚合物，和 在另外的步骤（b）中，其在作为新的反应物加入到该聚合步骤中的外部电子给体化合物的存在下进行，乙烯与式CH 2 -CHR的α-烯烃共聚，其中R是C1 -C 20烃基，得到分子量高于步骤（b）中制备的共聚物的乙烯共聚物。
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4.发明申请公开(公告)号：US20120077944A1
公开(公告)日：2012-03-29
申请号：US13376000
申请日：2010-06-16
IPC分类号： C08F4/646
CPC分类号： C08F10/00 , C08F110/06 , C08F4/6543 , C08F4/6555 , C08F4/651 , C08F2500/12 , C08F2500/18 , C08F2500/24
摘要： Catalyst components for the polymerization of olefins CH2═CHR wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising Mg, Ti, Cl and a compound (L) or its derivatives, selected from condensed cyclic structures which are formed by at least an aromatic ring and which are substituted with at least two hydroxy groups, said Cl and Ti atoms being in an amount such as to have a molar ratio ranging from 5 to 50.
摘要翻译： 用于烯烃CH 2 = CHR聚合的催化剂组分，其中R是氢或具有1-12个碳原子的烃基，包括Mg，Ti，Cl和化合物（L）或其衍生物，其选自稠合的环状结构，其由 至少一个芳环，并被至少两个羟基取代，所述Cl和Ti原子的量为使其摩尔比为5-50。
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公开(公告)号：US20070270556A1
公开(公告)日：2007-11-22
申请号：US11793661
申请日：2005-12-09
申请人： Gabriele Mei , Joachim Pater , Stefano Bertolini
发明人： Gabriele Mei , Joachim Pater , Stefano Bertolini
IPC分类号： C08F2/06
CPC分类号： B01J19/2435 , B01J8/1863 , B01J2219/00006 , B01J2219/0004 , C08F10/06 , C08F210/06 , C08F2/001 , C08F210/16 , C08F2500/12 , C08F2500/17
摘要： 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 C5-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.
摘要翻译： 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）在具有互连的气相反应器中使乙烯与丙烯和/或1-丁烯以及任选的一种或多种α-烯烃共聚单体C 5 -C 12 C共聚合 聚合区，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聚合区（降液管），通过它们在重力作用下向下流动。
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