公开(公告)号：US11041033B2

公开(公告)日：2021-06-22

申请号：US16633185

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Roberta Pica

IPC: C08F10/08 ,  C08L23/20 ,  C08F210/08 ,  C09J123/20 ,  C08F210/16

Abstract: A butene-1 polymer having: a) a Melt Flow Rate value of from 20 to less than 100 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg; b) an intrinsic viscosity (IV) measured in tetrahydronaphthalene (THN) at 135° C. equal to lower than 0.95 dl/g; c) a Mw/Mn value equal to or lower than 3.5 and a lower limit of 1.5; d) a Mz value of 180,000 g/mol or higher; and e) optionally, a comonomer content of up to 10% by weight.

公开(公告)号：US20240034870A1

公开(公告)日：2024-02-01

申请号：US18265919

申请日：2021-12-10

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Roberta Marchini ,  Roberta Pica ,  Stefano Spataro

IPC: C08L23/22

CPC classification number: C08L23/22 ,  C08L2203/18

Abstract: A copolymer of butene-1 with hexene-1 having:



1) a content of hexene-1 comonomer units from 2 to 4% by weight, based upon the total weight of the copolymer; and
2) a melting temperature TmI equal to or higher than 115° C.

公开(公告)号：US11267911B2

公开(公告)日：2022-03-08

申请号：US16633241

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Roberta Pica

IPC: C08L23/18 ,  C08L23/08 ,  C09J123/18 ,  C08F10/08 ,  C09J123/08 ,  C08L23/20 ,  C09J123/20

Abstract: A butene-1 polymer composition having a MFR value of from 100 to 300 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing: A) a butene-1 homopolymer or a copolymer of butene-1 with one or more comonomers selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with one or more comonomers selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; wherein the composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 75% by weight or less, determined on the total weight of A) and B).

公开(公告)号：US11267912B2

公开(公告)日：2022-03-08

申请号：US16633259

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Roberta Pica

IPC: C08L23/08 ,  C08L23/18 ,  C08L23/20 ,  C08F10/08 ,  B01J19/00 ,  C08F2/00 ,  C08F4/659 ,  C08F4/6592 ,  C08F210/08 ,  C08F210/16 ,  C09J123/20

Abstract: A butene-1 polymer composition having MFR values of from 20 to less than 100 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing: A) a butene-1 homopolymer or a copolymer of butene-1 with one or more comonomers selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; and B) a copolymer of butene-1 with one or more comonomers selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; wherein the composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 75% by weight or less, determined on the total weight of A) and B).

公开(公告)号：US11015090B2

公开(公告)日：2021-05-25

申请号：US16312512

申请日：2017-07-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Emanuele Burgin ,  Roberta Pica

IPC: C09J123/20 ,  C08L23/20 ,  C08F4/659 ,  C08F2/00 ,  C08F2/38 ,  C08F4/6592 ,  C08F210/08 ,  C08F210/16

Abstract: A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing A) a butene-1 homopolymer or a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 25% by mole; wherein the composition having a total copolymerized comonomer content from 5% to 18% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 65% by weight or more, determined on the total weight of A) and B).

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：US10894850B2

公开(公告)日：2021-01-19

申请号：US16312474

申请日：2017-07-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Emanuele Burgin ,  Roberta Pica

IPC: C08F210/08 ,  C08F2/00 ,  C08F4/6592 ,  C08F10/08 ,  C08L23/20 ,  C09J123/20 ,  C08F2/38 ,  C08F4/659 ,  C08F210/16

Abstract: A butene-1 polymer composition having MFR values of from 400 to 2000 g/10 min, measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing A) a butene-1 homopolymer or a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with a comonomer selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; wherein the composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 60% by weight or less, determined on the total weight of A) and B).

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.