公开(公告)号：US20190248930A1

公开(公告)日：2019-08-15

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

CPC classification number: C08F10/02 ,  C08F210/16 ,  C08F2410/01 ,  C08F210/08 ,  C08F2500/12 ,  C08F4/651 ,  C08F4/6494 ,  C08F4/6567

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：US20190284316A1

公开(公告)日：2019-09-19

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：US20180230253A1

公开(公告)日：2018-08-16

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

CPC classification number: C08F110/06 ,  C08F2/34 ,  C08F4/6492 ,  C08F4/651 ,  C08F10/06 ,  C08F110/02 ,  C08F2500/12 ,  C08F2500/15 ,  C08F2500/18 ,  C08F4/6543

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：US20170218100A1

公开(公告)日：2017-08-03

申请号：US15514871

申请日：2015-09-22

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： PEITRO BAITA ,  TIZIANO DALL'OCCO ,  MARIA DI DIEGO ,  DARIO LIGUORI ,  LORELLA MARTURANO ,  GABRIELE MEI ,  GIAMPIERO MORINI ,  ROBERTA PICA

IPC: C08F110/02

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：US20220298272A1

公开(公告)日：2022-09-22

申请号：US17642460

申请日：2020-08-27

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： FABRIZIO PIEMONTESI ,  ALESSANDRO MIGNOGNA ,  DARIO LIGUORI ,  GIAMPIERO MORINI ,  TIZIANO DALL'OCCO ,  GIANNI VITALE

IPC: C08F4/654 ,  C08F10/06

Abstract: A solid catalyst component for the polymerization of olefins made from or containing a magnesium halide, a titanium compound having at least a Ti-halogen bond, a first electron donor compound selected from 1,3 diethers (DE), and a second electron donor compound selected from dicarbamates (DC), wherein the first and second electron donor compounds are present in a molar ratio DE:DC ranging from 4.5:1 to 20:1.

公开(公告)号：US20170327603A1

公开(公告)日：2017-11-16

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: C08F2/34 ,  C08F110/02 ,  C08F4/649

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.

公开(公告)号：US20190338055A1

公开(公告)日：2019-11-07

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：US20180215845A1

公开(公告)日：2018-08-02

申请号：US15750469

申请日：2016-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： GIAMPIERO MORINI ,  MASSIMO COVEZZI ,  TIZIANO DALL'OCCO ,  DARIO LIGUORI ,  FABRIZIO PIEMONTESI ,  GIANNI VITALE

IPC: C08F10/06

Abstract: A gas-phase process for the homopolymerization or copolymerization of propylene with other olefins, including carrying out the polymerization in the presence of a catalyst system made from or containing: (a) a solid catalyst component made from or containing Mg, Ti, halogen, an electron donor selected from 1.3-diethers and an olefin polymer in a specific amount; (b) an aluminum alkyl compound and (c) an external electron donor (ED) compound, wherein components (b) and (c) being employed in amounts such that the Al/(ED) molar ratio ranges from about 2 to about 200.

公开(公告)号：US20170002114A1

公开(公告)日：2017-01-05

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: C08F10/02

CPC classification number: C08F10/02 ,  C08F10/00 ,  C08F4/6494 ,  C08F4/651 ,  C08F4/6545 ,  C08F110/02 ,  C08F2500/12 ,  C08F2500/18

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.

Abstract translation: 本公开涉及用于聚合具有改进的聚合活性的通式CH 2 = CHR的烯烃的催化剂体系，其中R是具有1-12个碳原子的烷基，环烷基或芳基，其包含（A）固体催化剂组分 包括Ti，Mg和卤素，（B）烷基铝化合物和（C）卤代环醚化合物。