公开(公告)号：WO2014108283A1

公开(公告)日：2014-07-17

申请号：PCT/EP2013/077051

申请日：2013-12-18

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： COVEZZI, Massimo ,  MEI, Gabriele ,  Baita, Pietro ,  Marturano, Lorella

IPC: C08F10/02 ,  C08F2/00 ,  C08F4/64

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 α-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。

公开(公告)号：EP2943515A1

公开(公告)日：2015-11-18

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

IPC: C08F10/02 ,  C08F2/00 ,  C08F4/64

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: 一种制备乙烯聚合物的方法，包括在下列物质存在下聚合乙烯，任选地与一种或多种α-烯烃共聚单体共聚：（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）烷基铝化合物，和（iii）选自具有至少两个游离羟基的羟基酯的抗静电化合物，其中烷基铝化合物与固体催化剂组分的重量比高于0.80，并且抗静电化合物与 烷基铝化合物高于0.10。

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

IPC: C08F10/02 ,  C08F2/00 ,  C08F4/64

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。

公开(公告)号：EP2842912A1

公开(公告)日：2015-03-04

申请号：EP13181717.3

申请日：2013-08-26

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。

公开(公告)号：EP2754678A1

公开(公告)日：2014-07-16

申请号：EP13151126.3

申请日：2013-01-14

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Covezzi, Massimo ,  Mei, Gabriele ,  Baita, Pietro ,  Marturano, Lorella

IPC: C08F10/02 ,  C08F2/00 ,  C08F4/64

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 α-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。