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公开(公告)号：US11613637B2
公开(公告)日：2023-03-28
申请号：US16647652
申请日：2018-08-30
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： Paola Massari , Andrea Felisati , Marco Izzi , Paolo Bassi , Caroline Cathelin , Michele Grazzi , Claudio Cavalieri
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.
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Patent Agency Ranking
公开(公告)号：US11951721B2
公开(公告)日：2024-04-09
申请号：US17311076
申请日：2019-11-18
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： Andrea Felisati , Marco Izzi , Paola Massari
IPC: B32B27/32 , B32B27/08 , C08K5/1575 , C08L23/12 , C08L23/14
CPC classification number: B32B27/32 , B32B27/08 , C08K5/1575 , C08L23/12 , C08L23/142 , B32B2250/03 , B32B2250/242 , B32B2270/00 , B32B2307/308 , B32B2307/518 , C08L2205/02
Abstract: A BOPP multilayer film having at least three layers made from or containing a nucleated propylene polymer composition having:
A) from 77 wt % to 91 wt %, of a propylene homopolymer having a fraction insoluble in xylene at 25° C. higher than 95%;
B) from 9 wt % to 23 wt %, of a copolymer of propylene with from 28.0 wt % to 42.0 wt % of ethylene derived units; and
C) a nucleating agent selected from aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc,
wherein the composition has an intrinsic viscosity (IV) of the fraction soluble in xylene at 25° C. between 1.0 dl/g and 1.9 dl/g, a fraction soluble (Xs) in xylene at 25° C. between 9.0 wt % and 21.0 wt %, a total melt flow rate (MFR) 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)
higher than 5.9.-
公开(公告)号：US11376829B2
公开(公告)日：2022-07-05
申请号：US16971609
申请日：2019-02-13
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： Paola Massari , Andrea Felisati , Marco Izzi , Claudio Cavalieri , Davide Tartari , Isabella Maria Vittoria Camurati , Tiziana Caputo
Abstract: A multilayer film made from or containing a core layer made from or containing a polypropylene composition made from or containing:
A) from 90 wt % to 50 wt %; of a propylene homopolymer; and
B) from 10 wt % to 50 wt %; of a propylene ethylene copolymer having: i) xylene soluble fraction at 25° C. ranging from 14 wt % to 27 wt %; ii) intrinsic viscosity of the fraction soluble in xylene at 25° C. ranging from 1.0 to 2.4 dl/g; iii) melt flow rate ranging from 1.0 g/10 min to 4.0 g/10 min; iv) an ethylene content ranging from 5.0 wt % to 12.0 wt %; v) the ethylene derived units content on the fraction insoluble in xylene at 25° C. ranging from 2.5 wt % to 6.0 wt %; vi) the ethylene derived units content on the fraction soluble in xylene at 25° C. ranging from 15.2. wt % to 30.2 wt %, the sum of A) and B) being 100 wt %.-
公开(公告)号：US10759933B2
公开(公告)日：2020-09-01
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：US20240002646A1
公开(公告)日：2024-01-04
申请号：US18037224
申请日：2021-11-03
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： Marco Izzi , Gianluca Musacchi
CPC classification number: C08L23/14 , C08J5/18 , C08L2205/025 , C08L2205/03 , C08L2203/162 , C08J2323/14 , C08J2423/06 , C08J2423/20
Abstract: A 1-butene copolymer composition made from or containing:
A) from 75.0 wt % to 95.0 wt % of a polymer composition (A) made from or containing
A1) from 56 wt % to 77 wt % of a propylene ethylene copolymer;
A2) from 15 wt % to 32 wt % of a low density polyethylene; and
A3) from 4 wt % to 17 wt % of a 1-butene homopolymer,
wherein the sum of the amounts of A1, A2, and A3 being 100 wt %; and
B) from 5.0 wt % to 25.0 wt % of a copolymer of 1-butene and ethylene containing from 2.8 wt % to 4.2 wt % of ethylene derived units, based upon the total weight of the copolymer of 1-butene and ethylene,
wherein the sum of the amounts of A) and B) being 100 wt %.-
公开(公告)号：US11407867B2
公开(公告)日：2022-08-09
申请号：US16758763
申请日：2018-10-31
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： Paola Massari , Andrea Felisati , Marco Izzi , Paolo Bassi , Claudio Cavalieri
IPC: C08F210/14 , B65B53/02 , C08J5/18 , C08F210/16 , B29C61/02 , B29C65/00
Abstract: A heat-shrinkable label made from or containing a terpolymer film containing propylene, ethylene and 1-hexene, wherein the terpolymer has: (i) a content of ethylene derived units ranging from 0.5 wt % to 5.0 wt %, (ii) a content of 1-hexene derived units ranging from 1.0 wt % to 6.0 wt %, (iii) a melt flow rate (MFR) (ISO 1133 230° C., 2.16 kg) ranging from 0.5 to 20 g/10 min, and (iv) a polydispersity index (P.I.) ranging from 2.0 to 7.0.
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