公开(公告)号：US20240209125A1

公开(公告)日：2024-06-27

申请号：US18287152

申请日：2022-04-08

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Benedetta Gaddi ,  Gianni Colina ,  Nicola Pazi ,  Ofelia Fusco ,  Paolo Vincenzi ,  Maria Di Diego ,  Giorgia Panno ,  Simone De Cicco ,  Giuseppina Maria Algozzini

IPC: C08F4/50 ,  C08F2/34 ,  C08F110/02 ,  C08F110/06

CPC classification number: C08F4/50 ,  C08F2/34 ,  C08F110/02 ,  C08F110/06

Abstract: A prepolymerized catalyst component for the polymerization of olefins made from or containing (i) a solid catalyst component made from or containing Ti, Mg, and an internal donor mixture (IDM) made from or containing (a) from 15 to 75% of 1,3-diethers and (b) from 25 to 85% of succinates based on the total amount of 1,3-diethers and succinates, and (ii) an amount of an ethylene polymer ranging from 0.1 up to 3 g per g of the solid catalyst component (i), wherein the prepolymerized catalyst component has an intrinsic viscosity [η] in tetraline at 135° C. ranging from 2.5 to 5.20 dl/g.

公开(公告)号：US11034781B2

公开(公告)日：2021-06-15

申请号：US16468628

申请日：2017-12-12

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Gianni Collina ,  Maria Di Diego ,  Benedetta Gaddi ,  Piero Gessi ,  Lorella Marturano ,  Giampiero Morini

IPC: C08F110/02

Abstract: 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.

公开(公告)号：US10435490B2

公开(公告)日：2019-10-08

申请号：US15750391

申请日：2016-07-14

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Giuseppina Maria Algozzini ,  Diego Brita ,  Massimo Cenci ,  Gianni Collina ,  Tiziano Dall'occo ,  Maria Di Diego ,  Benedetta Gaddi ,  Ofelia Fusco ,  Giampiero Morini ,  Lorella Pedriali

IPC: C08F110/02 ,  C08F110/06 ,  C08F10/06 ,  C08F2/34 ,  C08F4/649 ,  C08F4/651

Abstract: 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.

公开(公告)号：US10011666B2

公开(公告)日：2018-07-03

申请号：US15514871

申请日：2015-09-22

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Pietro Baita ,  Tiziano Dall'Occo ,  Maria Di Diego ,  Dario Liguori ,  Lorella Marturano ,  Gabriele Mei ,  Giampiero Morini ,  Roberta Pica

IPC: C08F110/02 ,  C08F4/649 ,  C08F2/34 ,  C08F2/38 ,  B01J8/24

CPC classification number: C08F110/02 ,  C08F2410/02 ,  C08F2500/12 ,  C08F2500/18 ,  C08F4/6494 ,  C08F4/6493 ,  C08F4/6492 ,  C08F4/6543

Abstract: The present disclosure provides a catalyst system made from or containing: (A) a solid catalyst component made from or containing (i) a titanium compound supported on a magnesium dichloride; (B) an aluminum alkyl compound; and (C) a halogenated organic ester of formula A-COOR, wherein R is a C1-C10 hydrocarbon group and A is a C1-C15 saturated or unsaturated hydrocarbon group in which at least one of the hydrogen atoms is replaced by a chlorine atom. The present disclosure also provides a process for preparing an olefinic polymer, including a polymerization step of polymerizing an olefin in the presence of the catalyst system. The present disclosure also provides an olefinic polymer made therefrom.

公开(公告)号：US10604645B2

公开(公告)日：2020-03-31

申请号：US16064900

申请日：2016-11-28

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Antonio Mazzucco ,  Gabriele Mei ,  Tiziana Caputo ,  Roberto Pantaleoni ,  Enrico Balestra ,  Maria Di Diego ,  Mara Destro ,  Riccardo Rinaldi

IPC: C08L23/12 ,  C08F2/00 ,  C08F2/38

Abstract: A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing:a) a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; andb) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).

公开(公告)号：US10556972B2

公开(公告)日：2020-02-11

申请号：US16347124

申请日：2017-11-02

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Pietro Baita ,  Massimo Covezzi ,  Maria Di Diego ,  Lorella Marturano ,  Antonio Mazzucco ,  Gabriele Mei ,  Roberta Pica

IPC: C08F110/02 ,  C08F210/02 ,  C08F2/34 ,  C08F10/02

Abstract: A gas-phase process for the homopolymerization or copolymerization of olefins carried out in the presence of a catalyst system formed by a contacting, in a liquid hydrocarbon and in the presence of hydrogen, (a) a solid catalyst component comprising Ti, Mg, and Cl, and optionally an internal electron donor compound, (b) an aluminum alkyl compound and optionally (c) an external donor compound.

公开(公告)号：US10155888B2

公开(公告)日：2018-12-18

申请号：US15400734

申请日：2017-01-06

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Massimo Covezzi ,  Gabriele Mei ,  Maria Di Diego ,  Piero Gessi ,  Pietro Baita ,  Roberta Pica

IPC: C09J151/06 ,  C08F10/00 ,  C08F110/02 ,  B32B7/12 ,  B32B15/085 ,  B32B27/06 ,  C08L23/06 ,  C08L23/20 ,  C08L51/06 ,  C09J5/02 ,  C09J123/06 ,  C09J123/20

Abstract: The present technology relates to a method of introducing a supported antistatic compound that does not comprise a transition-metal-based catalyst component for use in an olefin polymerization reactor. In some embodiments, the methods disclosed herein avoid the formation of polymer agglomerates in the reactor and minimize potentially negative effects on catalyst yield.

公开(公告)号：US10077322B2

公开(公告)日：2018-09-18

申请号：US15533856

申请日：2015-12-01

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Pietro Baita ,  Tiziano Dall'Occo ,  Maria Di Diego ,  Dario Liguori ,  Lorella Marturano ,  Andreas Maus ,  Gabriele Mei ,  Gerhardus Meier ,  Giampiero Morini ,  Roberta Pica ,  Ulf Schueller

IPC: C08F4/649 ,  C08F4/654 ,  C08F110/02 ,  C08F210/02 ,  C08F2/34

CPC classification number: C08F2/34 ,  C08F4/6493 ,  C08F4/6494 ,  C08F110/02 ,  C08F2410/02 ,  C08F2500/12 ,  C08F2500/18 ,  C08F4/6543 ,  C08F210/02

Abstract: The present disclosure provides a gas-phase polymerization process for preparing polyethylene, wherein halogenated alcohols in combination with a Ti based catalyst component and aluminum alkyls as co-catalyst suppress ethane formation or increase polymerization activity.