公开(公告)号：US10759882B2

公开(公告)日：2020-09-01

申请号：US16337779

申请日：2017-09-25

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Simona Guidotti ,  Tiziano Dall'Occo ,  Dario Liguori ,  Giampiero Morini

IPC: C08F10/02 ,  C08F210/16

Abstract: A process for the preparation of a solid catalyst component for the homo or copolymerization of olefins, wherein the solid catalyst component is made from or contains Mg, Ti, halogen and an electron donor selected from cycloalkyl ethers, wherein the process includes the steps of (a) dissolving a Mg based compound and a TiCl3 based compound in a liquid medium further made from or containing a cycloalkyl ether and a compound of formula R2OH where R2 is a C1-C20 hydrocarbon group, in which the Ti/Mg molar ratio ranges from 0.1 to 0.5, the cycloalkyl ether/Mg ratio ranges from 1 to 4 and the ROH/Mg molar ratio ranges from 1 to 4; and (b) adding, to the solution coming from step (a), SiCl4 in an amount such that the R2OH/SiCl4 molar ratio ranges from 0.5 to 1.5 and maintaining the temperature in the range 50-150° C. thereby precipitating the solid catalyst component particles.

公开(公告)号：US11021555B2

公开(公告)日：2021-06-01

申请号：US16317676

申请日：2017-07-07

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Tiziano Dall'Occo ,  Simona Guidotti ,  Dario Liguori ,  Giampiero Morini

IPC: C08F210/16

Abstract: A catalyst component for the polymerization of olefins, comprising Ti, Mg, halogen, an electron donor (ID) selected from the group consisting of aliphatic cyclic ethers and alkyl esters of aliphatic monocarboxylic acids and a compound of a metal selected from the group consisting of Zn and Cu, wherein the catalyst component is devoid of Zn—C or Cu—C bonds and the Mg/Ti molar ratio ranges from 4.0 to 50.0.

公开(公告)号：US10584192B2

公开(公告)日：2020-03-10

申请号：US16097103

申请日：2017-04-24

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Simona Guidotti ,  Tiziano Dall'Occo ,  Dario Liguori ,  Giampiero Morini

IPC: C08F10/02

Abstract: The present disclosure provides a solid catalyst component obtainable by a process including: (a) a first step in which Ti(OEt)4, is reacted with a Mg based compound of formula MgCln(ORI)2-n, where n is from about 0.5 to about 1.5, RI is a C1-C10 alkyl groups, the Ti(OEt)4 and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of about 0.2 to about 0.4, the reaction temperature is about 110 to about 130° C., and the reaction time is about 2 to about 5 hours; and (b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of the formula Ti(ORI)4-yCly, where y is a number between 3 and 4.

公开(公告)号：US10113015B2

公开(公告)日：2018-10-30

申请号：US15106766

申请日：2014-12-15

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Tiziano Dall'Occo ,  Dario Liguori ,  Giampiero Morini ,  Gianni Vitale

IPC: C08F4/16 ,  C08F10/02 ,  C08F10/00

Abstract: The present disclosure relates to catalyst systems for the polymerization of olefins of the general formula CH2═CHR that show improved polymerization activity, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, and halogen, (B) an aluminum alkyl compound, and (C) a halogenated cyclic ether compound.

公开(公告)号：US10113012B2

公开(公告)日：2018-10-30

申请号：US15123108

申请日：2015-03-10

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Simona Guidotti ,  Tiziano Dall'Occo ,  Dario Liguori ,  Giampiero Morini ,  Fabrizio Piemontesi ,  Gianni Vitale

IPC: C08F4/64 ,  C08F4/12 ,  C08F10/02 ,  C08F10/06

Abstract: The present disclosure relates to a solid catalyst component for the (co)polymerization of olefins CH2═CHR, in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Ti, Mg, and Cl, and optionally an electron donor compound selected from the group consisting of ethers, amines, silanes, carbamates ketones, esters of aliphatic acids, alkyl and aryl esters of optionally substituted aromatic polycarboxylic acids, diol derivatives chosen among monoesters monocarbamates and monoesters monocarbonates or mixtures thereof, comprising from 0.1 to 50% wt of Bi with respect to the total weight of the solid catalyst component.

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：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.