公开(公告)号：US20210130509A1

公开(公告)日：2021-05-06

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

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：US20190256747A1

公开(公告)日：2019-08-22

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

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：US20210130515A1

公开(公告)日：2021-05-06

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: 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：US20200172642A1

公开(公告)日：2020-06-04

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: C08F10/08 ,  C08L23/08

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：US20220396649A1

公开(公告)日：2022-12-15

申请号：US17776117

申请日：2020-11-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： NICOLO ARICH DE FINETTI ,  PIETRO BAITA ,  ANTONIO MAZZUCCO ,  ROBERTA PICA

IPC: C08F210/16

Abstract: A process for the continuous solution polymerization including the step of polymerizing a first olefin monomer of formula CH2═CHR1, wherein R1 is hydrogen or a hydrocarbon radical having from 1 to 8 carbon atoms with a second olefin monomer of formula CH2═CHR2, wherein R2 is a hydrocarbon radical having from 3 to 8 carbon atoms, in the presence of a polymerization catalyst and in the absence of an inert solvent, at a polymerization temperature (Tp) satisfying the following relationship: Tp≥Tm+20° C. wherein Tm is the melting temperature of the obtained polymer.

公开(公告)号：US20210147587A1

公开(公告)日：2021-05-20

申请号：US16633191

申请日：2018-08-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTA MARCHINI ,  STEFANO SPATARO ,  ROBERTA PICA

IPC: C08F10/08 ,  C09J123/20

Abstract: A butene-1 polymer having: a) a Melt Flow Rate value of from 100 to 300 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 0.70 dl/g; c) a Mw/Mn value equal to or lower than 2.8 and a lower limit of 1.5; d) a Mz value of 90,000 g/mol or higher; and e) optionally, a comonomer content of up to 10% by mole.

公开(公告)号：US20190322779A1

公开(公告)日：2019-10-24

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 ,  C08F10/08 ,  C08F4/6592 ,  C08F2/00 ,  C08L23/20 ,  C09J123/20 ,  C08F4/659

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：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：US20200071429A1

公开(公告)日：2020-03-05

申请号：US16610794

申请日：2018-04-27

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： PIETRO BAITA ,  DARIO LIGUORI ,  HARILAOS MAVRIDIS ,  GIAMPIERO MORINI ,  ROBERTA PICA

IPC: C08F4/655 ,  C08F210/16 ,  C08F2/34 ,  C08F4/651

Abstract: A solid catalyst component (i) made from or containing a titanium compound, a magnesium compound and an ether, is activated by using two different aluminum alkyl compounds (ii) and (iii) in sequence and under specific molar ratios relative to each other and to the ether of the solid catalyst component (i).

公开(公告)号：US20190276566A1

公开(公告)日：2019-09-12

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: 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.