-
公开(公告)号:US20190322850A1
公开(公告)日:2019-10-24
申请号:US16341584
申请日:2017-10-05
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: PAOLA MASSARI , ANDREA FELISATI , MARCO IZZI , CLAUDIO CAVALIERI , MARCO CIARAFONI , SILVIA GUERRA , ROBERTO PANTALEONI , FEDERICA MALIZIA
Abstract: A nucleated propylene polymer composition made from or containing: A) a propylene homopolymer; B) a copolymer of propylene with ethylene derived units; the nucleated composition having a fraction soluble in xylene at 25° C. between 9.0 and 21.0 wt %, an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 1.0 and 1.9 dl/g, a total melt flow rate between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR−1.2*Xs+0.2*IV (I) is higher than 5.9; wherein MFR is the melt flow rate of the nucleated composition; IV is the intrinsic viscosity of the fraction soluble in xylene at 25° C.; and Xs is the fraction soluble in xylene at 25° C., the amount of A+B is equal to 100 wt %, and the nucleating agent is selected from the group consisting of aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc.
-
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.
-
公开(公告)号:US20190160795A1
公开(公告)日:2019-05-30
申请号:US16301799
申请日:2017-05-09
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: MONICA GALVAN , GIANNI PERDOMI , CLAUDIO CAVALIERI
Abstract: The disclosure provides a multilayer blown film for stretch hood made from or containing a layer made from or containing a first polyolefin composition made from or containing from 20 wt % to 80 wt %, based upon the total weight of the first polyolefin composition, of Component A) and from 20 wt % to 80 wt %, based upon the total weight of the first polyolefin composition, of Component B); wherein Component A) is an ethylene copolymer and Component B) is a polyolefin composition made from or containing: (i) 5-35% by weight, based upon the total weight of Component B, of a propylene homopolymer or a propylene ethylene copolymer (ii) 20-50% by weight, based upon the total weight of Component B, of a copolymer of ethylene and a C3-C8 alpha-olefin; and (iii) 30-60% by weight, based upon the total weight of Component B, of a copolymer of ethylene and propylene.
-
公开(公告)号:US10221261B2
公开(公告)日:2019-03-05
申请号:US14346648
申请日:2012-09-17
Applicant: Basell Poliolefine Italia S.r.l.
Inventor: Monica Galvan , Roberto Pantaleoni , Ofelia Fusco , Benedetta Gaddi , Andreas Neumann , Antonio Mazzucco , Gianni Collina , Gabriella Sartori
IPC: C08F210/06 , C08F10/06 , C08J5/18 , B01J31/02
Abstract: A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting:(a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (1ID) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with (b) an organo-aluminum compound, and optionally with (c) an external electron donor compound, said process being carried out at a temperature equal or higher than 78° C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.
-
公开(公告)号:US20190055333A1
公开(公告)日:2019-02-21
申请号:US15768875
申请日:2016-10-22
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
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:US20190023885A1
公开(公告)日:2019-01-24
申请号:US16064900
申请日:2016-11-28
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: ANTONIO MAZZUCCO , GABRIELE MEI , TIZIANA CAPUTO , ROBERTO PANTALEONI , ENRICO BALESTRA , MARIA DI DIEGO , MARA DESTRO , RICCARDO RINALDI
IPC: C08L23/12
Abstract: A process for the preparation of polyolefins carried out in the presence of an antistatic composition made from or containing:a) a compound of formula R—OH wherein R represents hydrogen or a linear or branched, saturated alkyl group having from 1 to 15 carbon atoms; and b) an oligomeric or polymeric organic compound having one or more terminal hydroxyl groups and a viscosity at 40° C. of at least about 20 mm2/sec (DIN 51562).
-
公开(公告)号:US20180362748A1
公开(公告)日:2018-12-20
申请号:US16061258
申请日:2016-11-22
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: MASSIMO COVEZZI , PAOLA MASSARI , CLAUDIO CAVALIERI , ROBERTA MARZOLLA
Abstract: A propylene polymer composition made from or containing: a) from about 40 wt % to about 80 wt % of a propylene 1-hexene copolymer containing from about 5.5 to about 9.0% by weight, based upon the total weight of the propylene 1-hexene copolymer, of 1-hexene derived units and having a Melt Flow Rate (MFR, measured according to ASTM D 1238 at 230° C., with a load of 2.16 kg) from about 3.5 to about 12.0 g/10 min; and b) from about 20 wt % to about 60 wt % of a propylene ethylene copolymer containing from about 1.5 wt % to about 6.5 wt % based upon the total weight of the propylene ethylene copolymer, of ethylene derived units, and having a Melt Flow Rate (MFR, measured according to ASTM D 1238, at 230° C., with a load of 2.16 kg) from about 3.5 to about 12.0 g/10 min; the sum of a) and b) being 100.
-
公开(公告)号:US10155827B2
公开(公告)日:2018-12-18
申请号:US15309138
申请日:2015-04-28
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: Paola Massari , Fabrizio Piemontesi , Gianni Vitale , Caroline Cathelin , Giampiero Morini , Marco Ciarafoni , Claudio Cavalieri , Tiziana Caputo
IPC: C08F210/02 , C08F210/06 , C08J5/18
Abstract: The present disclosure relates to a propylene ethylene copolymer comprising: an ethylene content of between 1.8 and 10.0% by weight; a molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; a content of xylene soluble fraction (XS) and ethylene content (C2) that fulfills the following relationship: XS
-
公开(公告)号:US10113012B2
公开(公告)日:2018-10-30
申请号:US15123108
申请日:2015-03-10
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: Simona Guidotti , Tiziano Dall'Occo , Dario Liguori , Giampiero Morini , Fabrizio Piemontesi , Gianni Vitale
Abstract: The present disclosure relates to a solid catalyst component for the (co)polymerization of olefins CH2═CHR, in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, comprising Ti, Mg, and Cl, and optionally an electron donor compound selected from the group consisting of ethers, amines, silanes, carbamates ketones, esters of aliphatic acids, alkyl and aryl esters of optionally substituted aromatic polycarboxylic acids, diol derivatives chosen among monoesters monocarbamates and monoesters monocarbonates or mixtures thereof, comprising from 0.1 to 50% wt of Bi with respect to the total weight of the solid catalyst component.
-
公开(公告)号:US20180237623A1
公开(公告)日:2018-08-23
申请号:US15750772
申请日:2016-07-19
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: ANDREA FELISATI , ANGELO FERRARO , PAOLA MASSARI , MARCO CIARAFONI , CLAUDIO CAVALIERI , ROBERTO PANTALEONI
Abstract: A polyolefin composition made from or containing: A) from 19 wt % to 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt; B) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from 1.5 wt % and 6.0 wt % and 1-butene derived units content of between 4.8 wt % and 12.4 wt %; wherein the ratio C2 wt %/C4 wt % is between 0.22 and 3.0, where C2 wt % is the weight percent of ethylene derived units and C4 wt % is the weight percent of 1-butene derived units; the content of xylene soluble fraction at 25° C. is between 2 and 15 wt %; molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; recoverable compliance at 200° C. having a maximum value between 800 and 1200 seconds, lower than 65×10−5 Pa−1.
-
-
-
-
-
-
-
-
-