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11.
公开(公告)号:US20160304642A1
公开(公告)日:2016-10-20
申请号:US15031913
申请日:2014-10-21
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: BENEDETTA GADDI , MARCO BOCCHINO , GIANNI COLLINA , OFELIA FUSCO , SIMONA GUIDOTTI , ANTONIO MAZZUCCO , ROBERTO PANTALEONI , FABRIZIO PIEMONTESI
IPC: C08F210/02 , C08J9/00
CPC classification number: C08F210/02 , C08F10/06 , C08J9/0052 , C08J9/0066 , C08F210/06 , C08F210/16 , C08F2500/12 , C08F2500/18 , C08F2500/24 , C08F4/6492 , C08F4/651 , C08F2/001 , C08F4/6545
Abstract: The present disclosure relates to a process for the preparation of a porous propylene carried out in the presence of a catalyst system comprising (a) a Ziegler-Natta catalyst containing at least two electron donor compounds, one of which is present in an amount from 50 to 90% by mol with respect to the total amount of donors and selected from succinates, and the other being selected from 1,3 diethers, (b) an aluminum alkyl and comprising the following steps: i) contacting the catalyst components (a) and (b) for a period of time ranging from 1 to 60 minutes, at a temperature ranging from 35 to 55° C.; optionally, ii) pre-polymerizing with one or more olefins of formula CH2═CHR, where R is H or a C1-C10 hydrocarbon group, up to forming amounts of polymer from about 0.1 up to about 1000 g per gram of solid catalyst component (a); and iii) polymerizing propylene in the optional presence of minor amounts of ethylene and/or C4-C10 alpha olefins for producing the porous propylene (co)polymer.
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公开(公告)号:US20220033596A1
公开(公告)日:2022-02-03
申请号:US17275939
申请日:2019-09-04
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: PAOLA MASSARI , CLAUDIO CAVALIERI , CAROLINE CATHELIN , DAVIDE TARTARI , MARCO CIARAFONI , ROBERTO PANTALEONI
Abstract: A terpolymer compositions made from or containing: A) From 80 wt % to 97 wt %; of a first propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt % to 3.2 wt %; ii) the content of 1-butene derived units ranging from 7.2 wt % to 14.8 wt %; and B) From 20 wt % to 3 wt %; of a second propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt % to 3.2 wt %; ii) the content of 1-butene derived units ranging from 14.4 wt % to 26.5 wt %; and the terpolymer composition having the melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, ranging from 3.0 g/10 min to 20.0 g/10 min; the sum of the amounts of A) and B) being 100 wt %.
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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.
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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.
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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).
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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.
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公开(公告)号:US20180237564A1
公开(公告)日:2018-08-23
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: C08F210/06 , C08J5/18
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 l/Pa.
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公开(公告)号:US20170183485A1
公开(公告)日:2017-06-29
申请号:US15313482
申请日:2015-04-28
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor: CLAUDIO CAVALIERI , MICHELE GRAZZI , ROBERTO PANTALEONI
IPC: C08L23/06 , C08L23/08 , C08F210/02
CPC classification number: C08L23/06 , C08F210/02 , C08L23/08 , C08L2205/025 , C08L2207/02 , C08L23/16
Abstract: Ethylene polymer composition having a fusion enthalpy ΔHfus, measured by Differential Scanning calorimetry with a heating rate of 20° C. per minute, of 60 J/g or more, comprising, all per cent amounts being by weight: A) 25-55% of an ethylene polymer containing 10% or less, referred to the weight of A), of a fraction XSA soluble in xylene at 25° C.; B) 45-75% of a copolymer of ethylene and propylene containing from 45% to 70%, of ethylene and 60% or more of a fraction XSB soluble in xylene at 25° C., both the ethylene of the copolymer and XSB amounts being referred to the weight of B); wherein the amounts of A) and B) are referred to the total weight of A)+B).
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