公开(公告)号：US06627710B1

公开(公告)日：2003-09-30

申请号：US09763218

申请日：2001-02-16

Applicant: Mario Sacchetti ,  Diego Brita

Inventor： Mario Sacchetti ,  Diego Brita

IPC: C08F476

CPC classification number: C08F10/00 ,  C08F110/02 ,  C08F4/6557 ,  C08F4/654 ,  C08F2500/12 ,  C08F2500/07 ,  C08F2500/18

Abstract: The invention relates to catalyst components, suitable for the preparation of homopolymers and copolymers of ethylene having a broad molecular weight distribution (MWD), which comprise Ti, Mg, Cl, and are characterized by the following properties: surface area, determined by BET method, of lower than 100 m2/g, a total porosity, measured by the mercury method, of higher than 0.25 cm3/g, a pore radius distribution such that at least 45% of the total porosity is due to pores with radius up to 0.1 &mgr;m.

Abstract translation: 本发明涉及适用于制备具有宽分子量分布（MWD）的乙烯的均聚物和共聚物的催化剂组分，其包含Ti，Mg，Cl，并且其特征在于以下性质：通过BET法测定的表面积 ，低于100m 2 / g，通过汞法测量的总孔隙率高于0.25cm 3 / g，孔半径分布使得总孔隙率的至少45％是由于 半径达0.1um的孔。

公开(公告)号：US07223711B2

公开(公告)日：2007-05-29

申请号：US10030466

申请日：2001-05-07

Applicant: Mario Sacchetti ,  Diego Brita ,  Gianni Collina

Inventor： Mario Sacchetti ,  Diego Brita ,  Gianni Collina

IPC: B01J31/06

CPC classification number: C08F4/6492 ,  C08F4/6555 ,  C08F4/6567 ,  C08F110/02 ,  C08F110/06 ,  C08F2500/18 ,  C08F2500/07 ,  C08F2500/12

Abstract: Catalyst components for the preparation of ethylene (co)polymers capable to produce polymers with high bulk density, to avoid the problems of formation of fines and that have a high activity are provided. Said catalyst components are characterized by comprising a non-stereospecific solid catalyst component, comprising a titanium compound and a magnesium dihalide, which is pre-polymerized with an alpha olefin CH2═CHR1 wherein R is a C1–C8 alkyl group, to such an extent that the amount of the α-olefin pre-polymer is up to 100 g per g of said solid catalyst component.

Abstract translation: 提供了用于制备能够生产具有高堆积密度的聚合物的乙烯（共）聚合物的催化剂组分，以避免细粉形成和具有高活性的问题。 所述催化剂组分的特征在于包含非立体特异性固体催化剂组分，其包含钛化合物和二卤化镁，其与α-烯烃CH 2 - 2 -CHR 1 - SUP>其中R是C1-C8烷基，使得α-烯烃预聚物的量高达100g每克所述固体催化剂组分。

公开(公告)号：US07019097B2

公开(公告)日：2006-03-28

申请号：US10471497

申请日：2002-03-11

Applicant: Mario Sacchetti ,  Diego Brita

Inventor： Mario Sacchetti ,  Diego Brita

IPC: C08F110/02 ,  C08F4/42

CPC classification number: C08F210/16 ,  C08F4/6555 ,  C08F2/34 ,  C08F4/6492 ,  C08F210/08 ,  C08F2500/26

Abstract: A process for the (co)polymerization ethylene, optionally in mixtures with olefins CH═CHR in which R is hydrogen or a hydrocarbyl radical with 1–12 carbon atoms, carried out in the presence of a catalyst system comprising (A) a solid catalyst component which comprises Mg, halogen an electron donor selected form ethers, esters, or amines, and Ti atoms in an oxidation state such that the weight percentage ratio between Ti(red)/Ti(tot) ranges from about 0.05 to about 1; wherein Ti(red) is the weight percentage on the solid catalyst component of the Ti atoms having a valence less than 4 and Ti(tot) is the weight percentage on the solid catalyst component of all the Ti atoms and (B) an Al-alkyl compound. The said process is capable to produce ethylene polymers with a reduced oligomers content and/or improved mechanical characteristics.

Abstract translation: （共）聚合乙烯的方法，任选与烯烃CH-CHR（其中R是氢或具有1-12个碳原子的烃基）的混合物在催化剂体系存在下进行，所述催化剂体系包含（A）固体催化剂 组分，其包含Mg，卤素，选自醚，酯或胺的电子给体和氧化态的Ti原子，使得Ti（重量）/ Ti（重量比） ）的范围为约0.05至约1; 其中Ti（红色）是价态小于4的Ti原子的固体催化剂组分的重量百分比，Ti（重量百分比）是固体上的重量百分数 所有Ti原子的催化剂组分和（B）Al-烷基化合物。 所述方法能够生产具有降低的低聚物含量和/或改善的机械特性的乙烯聚合物。

公开(公告)号：US06716940B1

公开(公告)日：2004-04-06

申请号：US10070120

申请日：2002-02-28

Applicant: Tiziano Dall'Occo ,  Giovanni Baruzzi ,  Diego Brita ,  Mario Sacchetti

Inventor： Tiziano Dall'Occo ,  Giovanni Baruzzi ,  Diego Brita ,  Mario Sacchetti

IPC: C08F442

CPC classification number: C08F10/00 ,  C08F4/6426

Abstract: Catalyst system for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising the product of the reaction between (a) a solid catalyst component comprising Mg, Ti, and halogen, (b) dimethylaluminium chloride (DMAC) and (c) an alkylaluinium compound, in which the molar ratio between (b) and (c) is lower than 10. This kind of catalyst system is particularly suitable for the preparation of copolymers of ethylene with &agr;-olefins due to its high capacity for incorporating the comonomer while at the same time maintaining high yields.

Abstract translation: 用于烯烃CH 2 = CHR（其中R是氢或具有1-12个碳原子的烃基）聚合的催化剂体系包括（a）包含Mg，Ti和卤素的固体催化剂组分（b ）二甲基氯化铝（DMAC）和（c）（b）和（c）之间的摩尔比低于10的烷基铝化合物。这种催化剂体系特别适用于制备乙烯与α- 烯烃，因为它具有高的并入共聚单体的能力，同时保持高产率。

公开(公告)号：US07307035B2

公开(公告)日：2007-12-11

申请号：US10493636

申请日：2003-07-04

Applicant: Mario Sacchetti ,  Daniele Evangelisti ,  Diego Brita ,  Gianni Collina

Inventor： Mario Sacchetti ,  Daniele Evangelisti ,  Diego Brita ,  Gianni Collina

IPC: C08F4/42

CPC classification number: C08F10/00 ,  C08F110/02 ,  C08F210/16 ,  C08F4/65916 ,  C08F4/6543 ,  C08F4/6555 ,  C08F2500/07 ,  C08F210/08 ,  C08F2500/17

Abstract: The present invention relates to an adduct comprising MgCl2, an alcohol (ROH) in which R is a C1-C10 hydrocarbon group, and a compound containing a transition metal M selected from the Groups 3 to 11 or the lanthanide or actinide groups of the Periodic Table of the Elements (new IUPAC version) in an amount such as to give a weight of M atoms lower than 10% based on the total weight of the adduct. The catalyst components that are obtained by reacting the adducts with halogenating agents show very high specific activity.

Abstract translation: 本发明涉及包含M 2 Cl 2的加合物，其中R是C1-C10烃基的醇（ROH）和含有过渡金属的化合物 M选自元素周期表第3至11族或元素周期表的镧系元素或锕系元素（新的IUPAC版本），其用量可以基于加合物的总重量使M原子的重量低于10％ 。 通过加合物与卤化剂反应获得的催化剂组分显示非常高的比活性。

公开(公告)号：US09593171B2

公开(公告)日：2017-03-14

申请号：US14111144

申请日：2012-03-29

Applicant: Simona Guidotti ,  Giampiero Morini ,  Simona Esposito ,  Alessandro Mignogna ,  Joachim T. M. Pater ,  Fabrizio Piemontesi ,  Diego Brita

Inventor： Simona Guidotti ,  Giampiero Morini ,  Simona Esposito ,  Alessandro Mignogna ,  Joachim T. M. Pater ,  Fabrizio Piemontesi ,  Diego Brita

IPC: C08F4/16 ,  C08F10/06

CPC classification number: C08F4/16 ,  C08F10/06 ,  C08F4/651 ,  C08F110/06 ,  C08F2500/12 ,  C08F2500/15 ,  C08F2500/02 ,  C08F210/06 ,  C08F2/001

Abstract: A porous 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 selected from 1,3-diethers and the other being selected from succinates, characterized by the fact that the molar ratio ID/Ti is from 0.30 to 0.90, where ID is the total molar amount of succinate and 1,3-diether, the molar ratio of the 1,3-diether donor to the succinate donor is higher than, or equal to, 0.60.

Abstract translation: 一种多孔固体催化剂组分，其包含卤化镁，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，其中一种选自1,3-二醚，另一种选自琥珀酸盐，其特征在于 事实上，ID / Ti的摩尔比为0.30〜0.90，其中ID是琥珀酸盐和1,3-二醚的总摩尔量，1,3-二醚供体与琥珀酸盐供体的摩尔比高于或 等于0.60。

公开(公告)号：US20130190466A1

公开(公告)日：2013-07-25

申请号：US13876107

申请日：2011-09-26

Applicant: Pietro Baita ,  Diego Brita ,  Paolo Ferrari ,  Harilaos Mavridis ,  Gabriele Mei ,  Roberta Pica ,  Jens Wiesecke

Inventor： Pietro Baita ,  Diego Brita ,  Paolo Ferrari ,  Harilaos Mavridis ,  Gabriele Mei ,  Roberta Pica ,  Jens Wiesecke

IPC: C08F10/02

CPC classification number: C08F10/02 ,  C08F10/00 ,  C08F210/16 ,  C08F210/08 ,  C08F2500/08 ,  C08F2500/12 ,  C08F2500/26 ,  C08F4/6494 ,  C08F2/005 ,  C08F210/14

Abstract: Extruded articles, particularly films, comprising an ethylene polymer obtained by a polymerization process carried out in the presence the products 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 optionally one or more internal electron donor compounds, (b) an aluminum hydrocarbyl compound, (c) optionally an external electron donor compound, and (d) a polyalcohol partially esterified with carboxylic acids with alkyl groups having at least 10 carbon atoms.

Abstract translation: 挤出制品，特别是包含通过聚合方法获得的乙烯聚合物的薄膜，所述聚合方法在存在下通过接触以下组分获得的产物进行：（a）固体催化剂组分，其包含卤化镁，至少具有Ti- 卤素键和任选的一种或多种内部电子给体化合物，（b）铝烃基化合物，（c）任选的外部电子给体化合物，和（d）与具有至少10个碳原子的烷基的羧酸部分酯化的多元醇 。

公开(公告)号：US20120010374A1

公开(公告)日：2012-01-12

申请号：US13201202

申请日：2010-02-15

Applicant: Diego Brita ,  Gianni Collina

Inventor： Diego Brita ,  Gianni Collina

IPC: C08F2/01

CPC classification number: C08F210/16 ,  C08F4/6543 ,  C08F2/001 ,  C08F2/38 ,  C08F2/14 ,  C08F210/08 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/24 ,  C08F210/14

Abstract: The present invention relates to a slurry process for preparing an ethylene polymer having a melt flow ratio F/P, according to ASTM 1238, of higher than 25, carried out in two or more stages of polymerization at temperatures in the range from 60 to 120° C., in which at least two of the said two or more polymerization stages are carried out under different concentration of a molecular weight regulator, said process being carried out in the presence of a catalyst system comprising the product obtained by contacting (A) a solid catalyst component comprising Ti, Mg, halogen, and having a porosity (PF), measured by the mercury method and due to pores with radius equal to, or lower than, 1 μm of at least 0.3 cm3/g and a surface area determined by BET method, of lower than 100 m2/g, and (B) of an organoaluminum compound.

Abstract translation: 本发明涉及一种用于制备乙烯聚合物的浆料方法，所述乙烯聚合物的熔体流动比F / P（根据ASTM 1238）高于25，在60至120℃的温度范围内进行两个或多个聚合阶段 其中所述两个或更多个聚合阶段中的至少两个在不同浓度的分子量调节剂下进行，所述方法在催化剂体系存在下进行，所述催化剂体系包含通过使（A） 包含Ti，Mg，卤素的固体催化剂组分，并且具有通过汞法测量的孔隙率（PF），并且由于具有等于或低于1μm至少为0.3cm 3 / g的1μm的孔和表面积 通过BET法测定，低于100m 2 / g，和（B）有机铝化合物。

公开(公告)号：US07932206B2

公开(公告)日：2011-04-26

申请号：US10537079

申请日：2003-11-25

Applicant: Diego Brita ,  Andrea Casalini ,  Daniele Evangelisti ,  Ofelia Fusco ,  Gianni Collina

Inventor： Diego Brita ,  Andrea Casalini ,  Daniele Evangelisti ,  Ofelia Fusco ,  Gianni Collina

IPC: B01J23/00 ,  B01J21/00 ,  B01J25/00 ,  B01J29/00 ,  B01J31/00 ,  B01J27/138

CPC classification number: B01J31/0209 ,  B01J23/02 ,  B01J31/0202 ,  B01J31/0204 ,  B01J31/0208 ,  B01J31/0212 ,  B01J31/0237 ,  B01J31/0274 ,  B01J31/128 ,  B01J31/143 ,  B01J2231/122 ,  B01J2531/22 ,  C08F10/06 ,  C08F110/06 ,  C08F4/6543 ,  C08F4/651 ,  C08F2500/18

Abstract: Solid Lewis adducts comprising MgCl2, a Lewis base (LB) belonging to ethers, esters, ketones, silanes or amines and an alcohol ROH, in which R is a C1-C15 hydrocarbon group optionally substituted with heteroatoms containing groups, which compounds are in molar ratios to each other defined by the following formula MgCl2(ROH)m(LB)n in which m ranges from 0.05 to 6, n ranges from 0.08 to 6. The solid Lewis adducts herein can be used to prepare catalysts having good morphological stability, and high polymerization activity.

Abstract translation: 固体Lewis加合物，其包含MgCl 2，属于醚，酯，酮，硅烷或胺的路易斯碱（LB）和醇ROH，其中R是任选被含杂原子的基团取代的C 1 -C 15烃基，该化合物为摩尔 其中m为0.05至6，n为0.08至6.下列通式MgCl 2（ROH）m（LB）n定义：本文中的固体Lewis加合物可用于制备具有良好形态稳定性的催化剂， 和高聚合活性。

公开(公告)号：US20080146756A1

公开(公告)日：2008-06-19

申请号：US11200618

申请日：2005-08-05

Applicant: Gianni Collina ,  Ofelia Fusco ,  Diego Brita

Inventor： Gianni Collina ,  Ofelia Fusco ,  Diego Brita

IPC: C08F4/654 ,  C08F4/651

CPC classification number: C08F10/00 ,  C08F4/651 ,  C08F4/6543

Abstract: A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.

Abstract translation: 用于烯烃聚合的催化剂组分，包括钛化合物，二卤化镁，选自二酯，二酮或二醚的双官能电子给体化合物（ED）和选自醚，酯的单官能电子给体化合物（MD） ，胺或酮，其中ED / MD的摩尔比高于10。