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    SOFT POLYOLEFIN COMPOSITION
    1.
    发明申请
    SOFT POLYOLEFIN COMPOSITION 有权

    公开(公告)号：US20250059362A1

    公开(公告)日：2025-02-20

    申请号：US18720986

    申请日：2022-12-12

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Michele Grazzi ,  Monica Galvan

    IPC: C08L23/14 ,  C08L23/20

    Abstract: A polyolefin composition made from or containing
    (I) 75-95 wt % of a thermoplastic polyolefin made from or containing
    (A) 18-30 wt % of a propylene copolymer with 1.0-6.0 wt. % of CH2═CHR comonomer, having a melt flow rate (MFR) ranging from 30 to 60 g/10 min; and
    (B) 70-82 wt % of a propylene copolymer with 20-35 wt. % of CH2═CHR comonomer, and optionally a diene,
    wherein the thermoplastic polyolefin has
    i) a xylene soluble fraction equal to or greater than 70 wt. %; and
    ii) a MFR from 0.2 to 15.0 g/10 min, and
    (II) 5-25 wt % of a polybutene component,
    having a flexural modulus equal to or lower than 60 MPa and
    made from or containing a butene-1 copolymer with ethylene and optionally a comonomer of formula CH2═CHR1, wherein the copolymer having
    i) up to and including 20 wt % of ethylene-or comonomer-derived units; and
    ii) Mw/Mn equal to or lower than 3.

    PROCESS FOR PREPARING POLYBUTENE COMPOSITIONS HAVING INCREASED CRYSTALLIZATION TEMPERATURE
    2.
    发明申请
    PROCESS FOR PREPARING POLYBUTENE COMPOSITIONS HAVING INCREASED CRYSTALLIZATION TEMPERATURE 有权

    公开(公告)号：US20250051546A1

    公开(公告)日：2025-02-13

    申请号：US18719153

    申请日：2022-12-12

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Michele Grazzi ,  Roberta Marchini

    IPC: C08K5/25 ,  C08J3/20 ,  C08K3/34

    Abstract: A process for producing a polybutene-1 composition including the step of:
    blending A) from 99.5 to 99.9% by weight, with respect to the total weight of A)+B), of a butene-1 polymer which is brought to a molten state or maintained in a molten state during the blending step; and B) from 0.1 to 0.5% by weight, with respect to the total weight of A)+B), of an alkanoyl hydrazine; wherein the resulting polybutene-1 composition, having a crystallization temperature TcC satisfying the following relation: T c C ≥ T c A + 5 where TcA is the crystallization temperature of the butene-1 polymer A).

    LLDPE-containing impact modifier polyolefin composition
    5.
    发明授权
    LLDPE-containing impact modifier polyolefin composition 有权

    公开(公告)号：US10385199B2

    公开(公告)日：2019-08-20

    申请号：US15738782

    申请日：2016-06-22

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Claudio Cavalieri ,  Michele Grazzi ,  Roberto Pantaleoni

    IPC: C08L23/16 ,  C08L23/20 ,  C08F210/16

    Abstract: Polyolefin compositions made from or containing:(A) about 5 to about 35% by weight of a propylene-based polymer containing about 90% by weight or more of propylene units and containing about 10% by weight or less of a fraction soluble in xylene at 25° C. (XSA);(B) about 25 to about 50% by weight, of a copolymer of ethylene and a C3-C8 alpha-olefin containing from about 0.1% to about 15% by weight of alpha-olefin units and containing about 75% by weight or less of a fraction soluble in xylene at 25° C. (XSB); and(C) about 30 to about 60% by weight, of a copolymer of ethylene and propylene containing from about 45% to about 75% by weight of ethylene units and containing from about 55% to about 95% by weight, of a fraction soluble in xylene at 25° C. (XSC).

    Polymer composition for bumpers and interiors and polyethylene-based resin precursor
    6.
    发明授权
    Polymer composition for bumpers and interiors and polyethylene-based resin precursor 有权
    用于保险杠和内部的聚合物组合物和聚乙烯基树脂前体

    公开(公告)号：US09023935B2

    公开(公告)日：2015-05-05

    申请号：US14357474

    申请日：2012-10-30

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Fabiana Fantinel ,  Sander Willems ,  Michele Grazzi ,  Giampaolo Pellegatti ,  Jurgen Rohrmann ,  Shahram Mihan

    IPC: C08L23/16 ,  C08F210/16 ,  C08K3/34 ,  C08L23/06 ,  C08L23/10 ,  C08L23/12

    CPC classification number: C08F210/16 ,  C08K3/34 ,  C08L23/06 ,  C08L23/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L2205/02 ,  C08L23/0815

    Abstract: Polyolefin compositions suitable for injection moulded items e.g. for impact bumpers and car interiors comprising from 30% to 90% by weight of an heterophasic propylene polymer composition (A); and from 10% to 70% by weight of a multimodal ethylene/C6-C12 alpha olefin copolymer (B); having density from 0.850 to 0.920 g/cm3, total comonomer content from 6% to 30% by weight, Mw/Mn from 4 to 20; intrinsic viscosity in decalin at 135° C. from 1.0 to 4.0 dL/g, and comprising an HDPE fraction (HDPE % wt) up to 30% wt; further comprising up to 50% by weight of a filler (C) and optionally, in amount up to 10% by weight with respect to the overall composition, an impact modifier masterbatch component (D) consisting of a ultra-soft heterophasic copolymer component.

    Abstract translation: 适用于注射成型物品的聚烯烃组合物 用于冲击保险杠和汽车内饰，其包含按重量计30％至90％的异相丙烯聚合物组合物（A）; 和10重量％至70重量％的多峰乙烯/ C 6 -C 12α-烯烃共聚物（B）; 密度为0.850〜0.920g / cm3，总共聚单体含量为6〜30重量％，Mw / Mn为4〜20; 在135℃，萘烷中的特性粘度为1.0-4.0dL / g，并且包含高达30％wt的HDPE级分（HDPE％wt）; 进一步包含至多50重量％的填料（C），并且任选地，相对于整个组合物，其量为至多10重量％，由超软多相共聚物组分组成的抗冲改性剂母料组分（D）。

    ULTRASOFT POLYOLEFIN COMPOSITION
    8.
    发明公开
    ULTRASOFT POLYOLEFIN COMPOSITION 审中-公开

    公开(公告)号：US20240059885A1

    公开(公告)日：2024-02-22

    申请号：US18265813

    申请日：2021-11-25

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Michele Grazzi ,  Monica Galvan ,  Gisella Biondini ,  Marco Ciarafoni

    IPC: C08L23/14 ,  C08J5/18

    CPC classification number: C08L23/14 ,  C08J5/18 ,  C08L2205/025 ,  C08L2207/02 ,  C08L2205/03 ,  C08J2323/14

    Abstract: A polyolefin composition made from or containing:



    (I) 50-95% by weight of a heterophasic polyolefin composition made from or containing:
    (A) 10-40% by weight of a propylene polymer selected from the group consisting of propylene homopolymers and copolymers of propylene with an alpha-olefin, having 1.0-6.0% by weight of units deriving from the alpha-olefin, wherein the propylene polymer (A) having a melt flow rate (MFRA) ranging from 20 to 60 g/10 min.; and
    (B) 60-90% by weight of a copolymer of propylene with an alpha-olefin, having 20-35% by weight of units deriving from the alpha-olefin,
    wherein the fraction of the heterophasic polyolefin composition (I) soluble in xylene at 25° C. (XS(I)) is equal to or higher than 60% by weight; and
    (II) 5-50% by weight of a propylene-ethylene copolymer having 12-25% by weight of units deriving from ethylene.

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