公开(公告)号：US20210395401A1

公开(公告)日：2021-12-23

申请号：US17281441

申请日：2019-09-17

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： DIEGO BRITA

IPC: C08F4/654 ,  C08F4/02 ,  C08F10/00

Abstract: A Ziegler-Natta catalyst component precursor made from or containing a mechanical mixture of (a) distinct particles of adducts of formula MgCl2(R1OH)n where R is a C1-C8 alkyl group and n is from 0.2 to 6 having average particle size (P50a) ranging from 5 to 100 μm; and (b) from 0.2 to 5.0% by weight of distinct particles of a solid compound containing more than 50% by weight of Sift units and having average particle size (P50b), wherein the ratio P50b/P50a ranges from 0.4 to 1.5.

公开(公告)号：US11174379B2

公开(公告)日：2021-11-16

申请号：US16758526

申请日：2018-11-05

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberto De Palo ,  Claudio Cavalieri

IPC: C08L23/10 ,  C08L23/06 ,  C08L23/08 ,  C08L23/16

Abstract: A polyolefin composition made from or containing:
T1) 70-95 wt %, of a polyolefin component containing:
a1) from 30 wt % to 70 wt % of a propylene based polymer; and
a2) from 30 wt % to 70 wt % of an ethylene based polymer; and
T2) 5-30 wt % of a polyolefin component containing:
A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer;
B) 25-50% by weight of a copolymer of ethylene and a C3-C8 alpha-olefin containing 0.1-20% by weight of C3-C8 alpha-olefin units; and
C) 30-60% by weight of a copolymer of ethylene and propylene containing 25-75% by weight of ethylene units.

公开(公告)号：US11149101B2

公开(公告)日：2021-10-19

申请号：US16632175

申请日：2018-07-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Paola Massari ,  Caroline Cathelin ,  Claudio Cavalieri ,  Marco Ciarafoni ,  Roberto Pantaleoni ,  Giampiero Morini ,  Gianni Vitale ,  Fabrizio Piemontesi ,  Gianni Collina ,  Benedetta Gaddi

IPC: C08F210/06 ,  C08F210/14 ,  C08J5/18

Abstract: A propylene 1-hexene copolymer containing from 5.7 to 7.7% by weight of 1-hexene derived units, based upon the total weight of the propylene 1-hexene copolymer, having:
a) a solubility in xylene at 25° C. ranging from 7.0 wt % to 15.0 wt %, based upon the total weight of the propylene 1-hexene copolymer;
b) a melting temperature, measured by DSC ranging from 143.0° C. to 148.0° C.;
c) a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from 3.5 to 8.0 g/10 min.; and
d) a content of 1-hexene derived units in the fraction soluble in xylene at 25° C. ranging from 13.5 wt % to 18.5 wt %, based upon the total weight of the soluble fraction.

公开(公告)号：US20210317347A1

公开(公告)日：2021-10-14

申请号：US17261109

申请日：2019-07-15

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTA MARCHINI ,  SILVIA GUERRA ,  STEFANO PASQUALI ,  ANKUR RASTOGI ,  STEFANO SPATARO

IPC: C09J123/20 ,  C09J5/06 ,  C09J11/08

Abstract: A polyolefin-based hot melt adhesive composition made from or containing: (A) 28-75 wt. % of a copolymer of butene-1 with Melt Flow Rate values, measured according to ISO 1133 (190° C., 2.16 kg), from 200 to 1500 g/10 min.; and (B) 25-72 wt. % of at least one additional component selected from the group consisting of waxes, resins, plasticizers, additional polymers and mixtures thereof, wherein the amounts of A) and B) are referred to the total weight of A)+B).

公开(公告)号：US20210269564A1

公开(公告)日：2021-09-02

申请号：US16967587

申请日：2019-01-25

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： SIMONA GUIDOTTI ,  DARIO LIGUORI ,  GIAMPIERO MORINI ,  GIANNI VITALE

IPC: C08F110/06 ,  C08F4/02 ,  C08F4/20 ,  C08F4/646 ,  C08F4/657

Abstract: A solid catalyst component for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, made from or containing Mg, Ti, Bi, a halogen and an electron donor.

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：US11015039B2

公开(公告)日：2021-05-25

申请号：US14821055

申请日：2015-08-07

Applicant: Equistar Chemicals, LP ,  Basell Poliolefine Italia S.r.l.

Inventor： Ambra Montaletti ,  Roberta Marzolla ,  Jean-Pierre Bideau ,  Giampaolo Pellegatti ,  Tim Schloemer ,  Tim Skillman

IPC: C08K5/1575 ,  C08K5/053

Abstract: A polymer composition and/or an article containing: (a) a random propylene terpolymer which comprises: (i) 90.0-96.0 wt. %, based on the total weight of the propylene terpolymer, of propylene derived units; (ii) 3.0-7.0 wt. %, based on the total weight of the propylene terpolymer, of 1-butene derived units; and (iii) 1.0-5.0 wt. %, based on the total weight of the propylene terpolymer, of ethylene derived units; and (b) about 0.01 to about 1.0 wt. %, based on the total weight of the propylene terpolymer, of a clarifying agent, with the balance of the polymer composition being the random propylene terpolymer and/or optionally at least one additive.

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：US10894849B2

公开(公告)日：2021-01-19

申请号：US15750123

申请日：2016-07-19

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Paola Massari ,  Fabrizio Piemontesi ,  Gianni Vitale ,  Caroline Cathelin ,  Giampiero Morini ,  Claudio Cavalieri ,  Marco Ciarafoni ,  Roberto Pantaleoni

IPC: C08J9/00 ,  C08F210/06 ,  C08J5/18 ,  C08L23/14

Abstract: A polyolefin composition made from or containing: A) from about 19 wt % to about 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt % B) from about 50 wt % to about 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt % and 1-butene derived units content between about 4.8 wt % and about 12.4 wt %; the sum of the amount of component A) and B) being 100; the polyolefin composition being characterized by the following features: molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than about 4.0; the creep and recovery curve measured on the polymer fuse at 200° C. shows a maximum value between 600 and 1200 seconds, lower than about 53×10−4 1/Pa.

公开(公告)号：US20200339796A1

公开(公告)日：2020-10-29

申请号：US16758758

申请日：2018-11-05

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTO DE PALO ,  CLAUDIO CAVALIERI

IPC: C08L23/16 ,  C08L23/14

Abstract: A polyolefin composition made from or containing:T1) 70-95 wt %, a polyolefin component containing: a1) from 30 wt % to 70 wt % of a propylene based polymer; and a2) from 30 wt % to 70 wt % of an ethylene based polymer; the sum of a1) and a2), being referred to the total weight of a1) and a2), being 100; and T2) 5-30 wt % of a propylene ethylene copolymer containing from 2.0 wt % to 10.0 wt %; of ethylene derived units and having a melt flow rate (230° C./2.16 kg) ranging from 0.5 to 20.0 g/10 min, and having a fraction soluble in xylene at 25° C. lower than 20 wt %. the sum of the amount of T1) and T2), being referred to the total weight of T1) and T2), being 100.