公开(公告)号：US20190225720A1

公开(公告)日：2019-07-25

申请号：US16339091

申请日：2017-09-22

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTO DE PALO ,  CLAUDIO CAVALIERI

IPC: C08F110/08 ,  C08J5/18 ,  B29C64/245 ,  B33Y30/00

Abstract: A plate for use in an extrusion-based additive manufacturing system made from or containing a top layer made from or containing a sheet or film made from or containing 1-butene based copolymer made from or containing from 0 to 70 wt % of ethylene, propylene or alpha olefins of formula CH2═CHR, wherein R is a C3-C20 alkyl radical, based upon the weight of the 1-butene polymer.

公开(公告)号：US10316122B2

公开(公告)日：2019-06-11

申请号：US15768875

申请日：2016-10-25

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

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

IPC: C08F210/06 ,  C08L23/12 ,  C08L23/16 ,  C08F10/06 ,  C08F2/00 ,  C08F4/657 ,  C08F4/659

Abstract: A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; B) from 10 wt % to 50 wt %; of a copolymer of propylene having from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the total weight of the copolymer; the sum of the amount of component A) and B) being 100; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the total weight of the polypropylene composition; wherein the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.

公开(公告)号：US20190112732A1

公开(公告)日：2019-04-18

申请号：US16094647

申请日：2017-03-20

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTO DE PALO ,  CLAUDIO CAVALIERI

IPC: D01F6/30 ,  C08F210/06

CPC classification number: D01F6/30 ,  B29C64/118 ,  B33Y30/00 ,  B33Y70/00 ,  B33Y80/00 ,  C08F210/06 ,  C08F210/16 ,  C08F2500/12

Abstract: The present disclosure provides a filament for use in an extrusion-based additive manufacturing system made from or containing a propylene ethylene copolymer having: ethylene derived units content ranging from about 3.0 wt % to about 12.0 wt %, based upon the weight of the propylene ethylene copolymer; MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from about 4 to about 20 g/10 min; and xylene solubles measured at 25° C. from about 3 wt % to about 30 wt %, based upon the weight of the propylene ethylene copolymer. The disclosure further provides an extrusion-based additive manufacturing system made from or containing the filament as well as 3D printed articles prepared from the system.

公开(公告)号：US20190112402A1

公开(公告)日：2019-04-18

申请号：US16087731

申请日：2017-03-23

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ROBERTA MARCHINI ,  STEFANO SPATARO ,  STEFANO PASQUALI ,  GIANLUCA MUSACCHI

IPC: C08F210/16 ,  C08F210/02 ,  C08F210/08 ,  C08L23/20 ,  B65D53/06

Abstract: The present disclosure provides a polyolefin composition made from or containing: A) from about 60 to about 89% by weight based upon the total weight of the polyolefin composition of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to about 18% by mole based upon the molar composition of the copolymer, and no melting peak detectable at the DSC at the second heating scan; and B) from about 11 to about 40% by weight based upon the total weight of the polyolefin composition of an ethylene polymer having density of from about 0.900 to about 0.970 g/cm3, measured according to ISO 1183 at 23° C.; wherein the amounts of A) and B) are referred to the total weight of A)+B) and the DSC second heating scan is carried out with a heating rate of 10° C. per minute. The composition is useful for preparing gaskets.

公开(公告)号：US10214640B2

公开(公告)日：2019-02-26

申请号：US15536052

申请日：2015-11-17

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Roberta Marchini ,  Stefano Spataro ,  Stefano Pasquali ,  Gianluca Musacchi

IPC: C08L23/20 ,  B65D41/04

Abstract: The present disclosure provides a polyolefin composition made from or containing: A) from about 63 to about 78% by weight of a copolymer of butene-1 with ethylene having a copolymerized ethylene content of up to about 18% by mole and no melting peak detectable at the DSC at the second heating scan; B) from about 22 to about 37% by weight of (i) a propylene homopolymer, or (ii) a propylene copolymer, or (iii) a mixture of two or more of (i) and (ii), having a melting temperature Tm, measured by DSC at the second heating scan, of from about 130° C. to about 165° C.; wherein (i) the amounts of A) and B) are referred to the total weight of A)+B) and (ii) having a melting enthalpy ΔHfus, measured by DSC at the second heating scan, of from 7 to 30 J/g.

公开(公告)号：US10167349B2

公开(公告)日：2019-01-01

申请号：US14365028

申请日：2012-12-05

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Simona Guidotti ,  Alessandro Mignogna ,  Joachim T. M. Pater ,  Giampiero Morini

IPC: C08F4/16 ,  C08F110/06

Abstract: A catalyst system comprising the product obtained by contacting (a) a solid catalyst component containing Mg, Ti, halogen and at least an electron donor compound selected from phenylene aromatic diesters of a specific formula (b) an alkylaluminum cocatalyst and (c) an ester of formula R′OOC—(CR″2)m—COOR′ in which m is an integer from 2 to 7, the R′ groups, equal to or different from each other, are C1-C10 alkyl groups and the R″ groups, independently, are hydrogen or C1-C15 hydrocarbon groups.

公开(公告)号：US10160849B1

公开(公告)日：2018-12-25

申请号：US15514797

申请日：2015-09-09

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Claudio Cavalieri ,  Monica Galvan ,  Giampaolo Pellegatti ,  Francesca Tisi

IPC: C08L23/12 ,  F16L9/127

Abstract: The present disclosure relates to a polyolefin composition comprising, in some embodiments: A) 90.0-99.0 wt % of a propylene homopolymer; B) f1.0-10.0 wt % of a propylene/ethylene copolymer composition comprising: b1) 14-52 wt % of a propylene homopolymer or a propylene/ethylene copolymer; b2) 48-86 wt % of a propylene ethylene copolymer comprising an ethylene derived units content of 20.0-55.0 wt %; wherein the resulting polyolefin composition has a melt flow rate (MFR; ISO 1133, 230° C., 5 kg) of 0.2-4.0 g/10 min; the sum of A+B equals 100% by weight and the sum of b1+b2 equals 100% by weight.

公开(公告)号：US10155829B2

公开(公告)日：2018-12-18

申请号：US14906518

申请日：2014-07-01

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Mara Destro ,  Marco Ciarafoni ,  Paola Massari ,  Tiziana Caputo ,  Alessandro Guidicini

IPC: C08F210/16 ,  C08F210/06 ,  C08J5/00 ,  A61J1/00 ,  A61J1/14

Abstract: The present technology relates to articles for use in healthcare or medical applications, such as blow-fill-seal applications, made of a propylene-ethylene random copolymer that demonstrate good optical properties after heat sterilization.

公开(公告)号：US10113015B2

公开(公告)日：2018-10-30

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: C08F4/16 ,  C08F10/02 ,  C08F10/00

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.

公开(公告)号：US10030082B2

公开(公告)日：2018-07-24

申请号：US15557014

申请日：2016-03-07

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Alessandro Mignogna ,  Giampiero Morini

IPC: C08F4/649 ,  C08F4/651 ,  C08F4/654 ,  C08F4/655 ,  C08F110/06

Abstract: A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen and an electron donor of formula (I) or (II): When activated with an aluminum alkyl and optionally an external electron donor, the solid catalyst component can give high activity and stereospecificity in the polymerization of olefins.