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    POLYPROPYLENE COMPOSITION
    92.
    发明授权
    POLYPROPYLENE COMPOSITION 有权
    POLYPROPYLENZUSAMMENSETZUNG

    公开(公告)号：EP1680468B1

    公开(公告)日：2011-08-17

    申请号：EP04798761.5

    申请日：2004-11-03

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： BERTA, Dominic, A. ,  PELLEGATTI, Giampaolo

    IPC: C08L23/10

    CPC classification number: C08L23/10 ,  C08L23/0815 ,  C08L23/14 ,  C08L23/16 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2666/04 ,  C08L2666/02

    Abstract: A propylene polymer composition comprising the following components: a) from 50% to 90% by weight of a propylene homopolymer or a propylene copolymer containing up to 5% by mol of derived units of C2-C20 alpha-olefins, having the following features: (i) a polydispersity index PI>3; (ii) melt flow rate (MFR), as measured at 230°C under a load of 2.16 kg, MFR>1 dg/min; and (iii) fraction soluble in xylene at 25°C (XSRT)>1% b) from 5% to 25% by weight a copolymer of ethylene and one or more derived units of C4-C20 alpha-olefins having the following features: (i) content of ethylene derived units higher than 50% by mol and lower than 92% by mol; (ii) intrinsic viscosity (IV) higher than 1.2 dL/g and lower than 6 dL/g; (iii) density ranging from 0.850 to 0.890 g/cm3; and (iv) a crystallinity content, expressed as the enthalpy of fusion, lower than 62 J/g c) from 5% to 25% by weight of a copolymer of propylene and ethylene having the following features: (i) content of propylene derived units higher than 50% by mol and lower than 92% by mol; (ii) intrinsic viscosity (IV) higher than 2 dL/g and lower than 6 dL/g; (iii) density ranging from 0.850 to 0.890 g/cm3; (iv) the value of the product of reactivity ratios rlxr2 lower than 2; and (v) a crystallinity content, expressed as the enthalpy of fusion, lower than 45 J/g wherein the weight ratio between the ethylene copolymer (component b) and the sum of component b) and component c) is equal to or higher than 0.5 and less than or equal to 0.9.

    PROPYLENE-BASED COMPOSITION FOR PIPES
    97.
    发明公开
    PROPYLENE-BASED COMPOSITION FOR PIPES 审中-公开

    公开(公告)号：EP3523370A1

    公开(公告)日：2019-08-14

    申请号：EP17768819.9

    申请日：2017-09-22

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： GALVAN, Monica ,  CAVALIERI, Claudio ,  TISI, Francesca ,  PELLEGATTI, Giampaolo ,  BÖHM, Thomas

    IPC: C08L23/20

    Abstract: A polyolefin composition comprising: A) from 85.0 wt% to 99.5 wt%; of a propylene 1-hexene copolymer B) from 0.5 wt% to 15.0 wt%; of a propylene, ethylene copolymer composition comprising: b1) from 12 wt% to 52 wt%; of a propylene homopolymer or a propylene/ethylene copolymer b2) from 48 wt% to 88 wt% of a propylene ethylene copolymer having a content of ethylene derived units ranging from 15.0 wt% to wt% to 42.0 wt%; wherein the resulting polyolefin composition has an melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/lOmin to 4.0 g/10min; the sum A+B being 100 and the sum b1+b2 being 100.

    PROPYLENE-BASED COPOLYMER COMPOSITION FOR PIPES
    99.
    发明公开
    PROPYLENE-BASED COPOLYMER COMPOSITION FOR PIPES 审中-公开
    用于管道的基于丙烯的共聚物组合物

    公开(公告)号：EP3201268A1

    公开(公告)日：2017-08-09

    申请号：EP15759474.8

    申请日：2015-09-09

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： CAVALIERI, Claudio ,  GALVAN, Monica ,  PELLEGATTI, Giampaolo ,  TISI, Francesca

    IPC: C08L23/12

    CPC classification number: C08L23/12 ,  C08L2203/18 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2207/02 ,  F16L9/12 ,  C08L23/0815 ,  C08L23/16 ,  C08L23/14

    Abstract: A polyolefin composition comprising: A) from 90.0 wt% to 99.0 wt%;of a propylene homopolymer; B) from 1.0 wt% to 10.0 wt%; of a propylene, ethylene copolymer composition comprising: b1) from 14 wt% to 52 wt%; of a propylene homopolymer or a propylene/ethylene copolymer; b2) from 48 wt% to 86 wt% of a propylene ethylene copolymer having a content of ethylene derived units ranging from 20.0 wt% to 55.0 wt%; wherein the resulting polyolefin composition has an melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/10min to 4.0 g/10min; the sum of amounts of A+B being 100 and the sum of amounts of b1+b2 being 100.

    Abstract translation: 一种聚烯烃组合物，其包含：A）90.0wt％至99.0wt％的丙烯均聚物; B）1.0重量％至10.0重量％; 的丙烯，乙烯共聚物组合物，其包含：b1）14重量％至52重量％; 的丙烯均聚物或丙烯/乙烯共聚物; b2）48重量％至86重量％的乙烯衍生单元含量为20.0重量％至55.0重量％的丙烯乙烯共聚物; 其中所得聚烯烃组合物具有0.2g / 10min至4.0g / 10min范围内的熔体流动速率（230℃/ 5kg.ISO 1133） A + B的量的总和为100并且b1 + b2的量的总和为100。

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