公开(公告)号：US10792637B2

公开(公告)日：2020-10-06

申请号：US16477283

申请日：2017-12-15

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Enrico Balestra ,  Tiziana Caputo ,  Massimo Covezzi ,  Maurizio Dorini ,  Antonio Mazzucco ,  Gabriele Mei ,  Ricardo Rinaldi

IPC: B01J8/24 ,  B01J8/18 ,  C08F2/01 ,  C08F2/44

Abstract: A fluid is fed into a polymer bed of a fluidized bed gas phase polymerization reactor by introducing the fluid into the polymer bed through a distributor protruding into the fluidized bed zone of the reactor and terminating with a discharge end positioned so that the following equation is fulfilled: d/D>0.002 wherein d is the distance of the distributor's discharge end from the wall of the reactor, and D is the diameter of the reactor in the fluidized bed zone.

公开(公告)号：US20200308381A1

公开(公告)日：2020-10-01

申请号：US16617403

申请日：2018-05-03

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： GIANNI VITALE ,  FABRIZIO PIEMONTESI ,  BENEDETTA GADDI ,  GIANNI COLLINA ,  GIAMPIERO MORINI ,  CAROLINE CATHELIN ,  MARCO CIARAFONI ,  GIANPIERO FERRARO ,  CLAUDIO CAVALIERI ,  PAOLA MASSARI ,  MICHELE GRAZZI

IPC: C08L23/12 ,  C08F210/02 ,  C08F210/06 ,  C08F2/00 ,  C08F4/646 ,  C08F4/649 ,  C08F4/657

Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %, based upon the total weight of the polypropylene composition, of a propylene homopolymer; and B) from 10 wt % to 50 wt %, based upon the total weight of the polypropylene composition, of a copolymer of propylene and ethylene having from 30.0 wt % to 70.0 wt %, based upon the total weight of the copolymer, of ethylene derived units; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 and 4.0 dl/g; ii) a MFR L from 0.5 to 100 g/10 min; and iii) a xylene soluble fraction ranging from 10 wt % to 50 wt %, based upon the total weight of the polypropylene composition.

公开(公告)号：US20200277478A1

公开(公告)日：2020-09-03

申请号：US16647652

申请日：2018-08-30

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： PAOLA MASSARI ,  ANDREA FELISATI ,  MARCO IZZI ,  PAOLA BASSI ,  CAROLINE CATHELIN ,  MICHELE GRAZZI ,  CLAUDIO CAVALIERI

IPC: C08L23/12 ,  C08J5/18 ,  B32B27/32 ,  B32B27/08

Abstract: A multilayer film made from or containing at least one core layer made from or containing a polypropylene composition made from or containing: A) from 95 wt % to 60 wt %; of a propylene homopolymer having a fraction insoluble in xylene at 25° C. greater than 90 wt %, based upon the total weight of the propylene homopolymer; and B) from 5 wt % to 40 wt %; of an heterophasic propylene ethylene copolymer, the sum of the amounts of A) and B) being 100.

公开(公告)号：US10654999B2

公开(公告)日：2020-05-19

申请号：US16300634

申请日：2017-05-09

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Monica Galvan ,  Gianni Perdomi ,  Claudio Cavalieri

IPC: C08L23/16 ,  C08L23/08 ,  C08L23/12 ,  C08L23/10

Abstract: The disclosure provides a film made from or containing a polyolefin composition made from or containing A) 5-35% by weight, based upon the total weight of the polyolefin composition, of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and a C3-C8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units; and C) 30-60% by weight, based upon the total weight of the polyolefin composition, of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units.

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：US10562990B2

公开(公告)日：2020-02-18

申请号：US15759143

申请日：2016-08-30

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Fabrizio Piemontesi ,  Gianni Vitale ,  Dario Liguori ,  Giampiero Morini

IPC: B01J23/18 ,  C08F4/20 ,  C08F4/18 ,  B01J21/06 ,  C08F10/06

Abstract: A catalyst for the homopolymerization or copolymerization of CH2═CHR olefins, made from or containing the product obtained by contacting: (i) a solid catalyst component made from or containing Ti, Mg, Cl, and an internal electron donor compound, wherein the solid catalyst component contains from about 0.1 to about 50 wt % of Bi, based upon the total weight of the solid catalyst component; (ii) an alkyl aluminum compound and, (iii) an external electron donor compound having the formula: (R1)aSi(OR2)b wherein R1 and R2 are independently selected from the group consisting of alkyl radicals with 1-8 carbon atoms and a is 0 or 1 and a+b=4.

公开(公告)号：US10544271B2

公开(公告)日：2020-01-28

申请号：US15435014

申请日：2017-02-16

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Giampaolo Pellegatti ,  Michele Grazzi ,  Nicolas Kokel ,  Antonella Angelini

IPC: C08J5/18 ,  B29C48/10 ,  B29C48/88 ,  C08F210/06 ,  C08F10/00 ,  B29C49/00 ,  B29C49/04 ,  B29C49/64 ,  B29C48/00 ,  B29C48/21 ,  B29K23/00 ,  B29K105/00

Abstract: A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125 to 140° C. and Melt Flow Rate (ASTM D1238, 230/2.16 Kg) from 0.1 to 3 g/10 min., is used to produce blown films having valuable mechanical and optical properties.

公开(公告)号：US10435490B2

公开(公告)日：2019-10-08

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: C08F110/02 ,  C08F110/06 ,  C08F10/06 ,  C08F2/34 ,  C08F4/649 ,  C08F4/651

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：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：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).