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    Butene-1 polymer composition having high melt flow rate
    162.
    发明授权
    Butene-1 polymer composition having high melt flow rate 有权

    公开(公告)号：US11267911B2

    公开(公告)日：2022-03-08

    申请号：US16633241

    申请日：2018-08-03

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Roberta Marchini ,  Stefano Spataro ,  Roberta Pica

    IPC: C08L23/18 ,  C08L23/08 ,  C09J123/18 ,  C08F10/08 ,  C09J123/08 ,  C08L23/20 ,  C09J123/20

    Abstract: A butene-1 polymer composition having a MFR value of from 100 to 300 g/10 min., measured according to ISO 1133 at 190° C. with a load of 2.16 kg, made from or containing: A) a butene-1 homopolymer or a copolymer of butene-1 with one or more comonomers selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of up to 5% by mole; B) a copolymer of butene-1 with one or more comonomers selected from the group consisting of ethylene and higher alpha-olefins, having a copolymerized comonomer content of from 6% to 20% by mole; wherein the composition having a total copolymerized comonomer content from 4% to 15% by mole, referred to the sum of A) and B), and a content of fraction soluble in xylene at 0° C. of 75% by weight or less, determined on the total weight of A) and B).

    Process for the preparation of catalyst components for the polymerization of olefins
    163.
    发明授权
    Process for the preparation of catalyst components for the polymerization of olefins 有权

    公开(公告)号：US11267907B2

    公开(公告)日：2022-03-08

    申请号：US16647766

    申请日：2018-09-07

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Diego Brita ,  Nicolo Arich De Finetti ,  Ofelia Fusco ,  Benedetta Gaddi

    IPC: C08F4/654 ,  C08F4/655 ,  C08F10/06 ,  C08F4/659

    Abstract: A process for the preparation of a solid catalyst component for the polymerization of CH2═CHR olefins, wherein R is hydrogen or hydrocarbyl radical with 1-12 carbon atoms, made from or containing a Ti compound on a Mg chloride based support, including the steps of (a) reacting a Mg based compound with a liquid medium made from or containing a Ti compound, at a temperature ranging from 0 to 150° C., thereby yielding solid particles; and (b) suspending the solid particles coming from step (a) in a liquid medium made from or containing hydrocarbons at a temperature ranging from 10 to 100° C., wherein step (a) or (b) is carried out in the presence of 0.2 to 20.0% by weight, with respect to the amount of Mg compound, of particles of a solid compound containing more than 50% by weight of SiO2 units and having average particle size from 1 to 100 μm.

    PROPYLENE TERPOLYMER
    164.
    发明申请
    PROPYLENE TERPOLYMER 有权

    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

    IPC: C08J5/18 ,  C08L23/14

    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 %.

    POLYPROPYLENE COMPOSITION AND MOLDED ARTICLE
    165.
    发明申请
    POLYPROPYLENE COMPOSITION AND MOLDED ARTICLE 有权

    公开(公告)号：US20210388192A1

    公开(公告)日：2021-12-16

    申请号：US17285838

    申请日：2019-10-17

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： TAKESHI NAKAJIMA ,  KUNIO YAMAMOTO ,  MASASHI UCHIDA

    IPC: C08L23/12

    Abstract: A polypropylene composition made from or containing: (i) component (1) made from or containing a propylene homopolymer or copolymer containing 0 to 0.5% by weight of an ethylene-derived unit; and (ii) component (2) made from or containing an ethylene/propylene copolymer containing 65 to 85% by weight of an ethylene-derived unit; wherein 1) the Mw/Mn value of xylene insolubles (XI) of the polypropylene composition as measured by GPC is in the range of 6 to 20, 2) the weight ratio of component (1) to component (2) is in the range of 70:30 to 85:15, 3) the intrinsic viscosity of xylene solubles (XSIV) of the polypropylene composition is in the range of 1.0 to 3.0 dl/g, and 4) the MFR (at 230° C. under a load of 2.16 kg) of the polypropylene composition is in the range of 3 to 15 g/10 min.

    Propylene based polymer composition
    166.
    发明授权
    Propylene based polymer composition 有权

    公开(公告)号：US11124636B2

    公开(公告)日：2021-09-21

    申请号：US16610332

    申请日：2018-04-12

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Paola Massari ,  Claudio Cavalieri ,  Marco Ciarafoni ,  Roberto Pantaleoni

    IPC: C08L23/14 ,  C08L23/16

    Abstract: A propylene polymer composition made from or containing: a) from 35 wt % to 65 wt %, based upon the total weight of the propylene polymer composition, of a propylene 1-hexene copolymer containing from 10.2 to 13.0% by weight, based upon the 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, 230° C./2.16 kg, (at 230° C., with a load of 2.16 kg)) from 3.5 to 12.0 g/10 min; b) from 35 wt % to 65 wt %, based upon the total weight of the propylene polymer composition, of a propylene ethylene copolymer containing from 1.5 wt % to 6.5 wt %, based upon the weight of the propylene ethylene copolymer, of ethylene derived units and having a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg, (at 230° C., with a load of 2.16 kg)) from 3.5 to 12.0 g/10 min.

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