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    PROPYLENE-BASED TERPOLYMERS COMPOSITION FOR PIPES
    1.
    发明申请
    PROPYLENE-BASED TERPOLYMERS COMPOSITION FOR PIPES 有权
    用于管道的丙烯基聚合物组合物

    公开(公告)号：US20140349051A1

    公开(公告)日：2014-11-27

    申请号：US14362564

    申请日：2012-12-05

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Monica Galvan ,  Giampaolo Pellegatti ,  Herbert Terwyen ,  Claudio Cavalieri

    IPC: C08L23/18 ,  B32B1/08

    CPC classification number: C08L23/18 ,  B32B1/08 ,  B32B27/32 ,  B32B2597/00 ,  C08L23/14 ,  C08L23/142 ,  C08L2203/18 ,  C08L2205/025 ,  C08L2207/02 ,  F16L9/127 ,  Y10T428/139 ,  Y10T428/1393 ,  C08L23/12

    Abstract: A polyolefin composition comprising:A) from 85.0 wt % to 99.5 wt %; A terpolymer containing propylene, ethylene and 1-hexene wherein:(i) the content of 1-hexene derived units ranges from 1.0 wt % to 5.0%;(ii) the content of ethylene derived units is comprised between 0.5 wt % and 10.0 wt %(iii) the melting temperature ranges from 130° C. to 145° C.;B) from 0.5 wt % to 10.0 wt %; of a propylene, ethylene copolymer composition comprising:b1) from 12 wt % to 52 wt %; of a propylene homopolymer or a propylene/ethylene copolymer having a content of ethylene derived units ranging from 0.1 wt % to 4.5 wt %; and having a xylene soluble content measured at 25° C. lower than 10 wt %;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/10 min to 4.0 g/10 min; the sum A+B being 100 and the sum b1+b2 being 100.

    Abstract translation: 一种聚烯烃组合物，其包含：A）85.0重量％至99.5重量％; 含有丙烯，乙烯和1-己烯的三元共聚物，其中：（i）1-己烯衍生单元的含量为1.0wt％至5.0％; （ii）乙烯衍生单元的含量为0.5重量％至10.0重量％之间（iii）熔融温度范围为130℃至145℃; B）为0.5重量％〜10.0重量％ 的丙烯，乙烯共聚物组合物，其包含：b1）12重量％至52重量％; 的丙烯均聚物或丙烯/乙烯共聚物，其乙烯衍生单元的含量范围为0.1重量％至4.5重量％; 并且在25℃下测得低于10重量％的二甲苯可溶物含量; b2）为48重量％至88重量％的乙烯衍生单元含量为15.0重量％至42重量％的丙烯乙烯共聚物; 其中所得聚烯烃组合物的熔体流动速率（230℃，5kg，ISO 1133）为0.2g / 10min至4.0g / 10min; 总和A + B为100，总和b1 + b2为100。

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