公开(公告)号：US20220106474A1

公开(公告)日：2022-04-07

申请号：US17421855

申请日：2020-01-07

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： MONICA GALVAN ,  MICHELE GRAZZI ,  MARCO CIARAFONI ,  CLAUDIO CAVALIERI

IPC: C08L23/16

Abstract: A polyolefin composition made from or containing: A) 5-35% by weight of a propylene homopolymer; B) 20-50% by weight of an ethylene homopolymer; and C) 30-60% by weight of a terpolymer of ethylene, propylene and 1-butene derived units.

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

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

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：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).