HIGHLY FILLED SOFT POLYOLEFIN COMPOSITION FOR ROOFING MEMBRANE
    42.
    发明公开
    HIGHLY FILLED SOFT POLYOLEFIN COMPOSITION FOR ROOFING MEMBRANE 有权
    HOCHGEFÜLLTEWEICHE POLYOLEFINZUSAMMENSETZUNGFÜRDACHMEMBRANEN

    公开(公告)号:EP3058028A1

    公开(公告)日:2016-08-24

    申请号:EP14781139.2

    申请日:2014-10-01

    Abstract: The present disclosure relates to highly filled polyolefin compositions with improved balance of properties particularly for applications where puncture and tear resistance is requested comprising a flexible heterophasic polyolefin composition (I), consisting of a crystalline polymer fraction (A) consisting of a copolymer of propylene with ethylene having a fraction insoluble in xylene at 25° C. of at least 90% by weight, and an elastomeric fraction (B) consisting of a copolymer or blend of copolymers of ethylene with propylene; the copolymer or blend containing units derived from ethylene in a quantity lower than 40% by weight. The fraction soluble in xylene at 25° C. of the polyolefin composition having an IVgpc lower than 2.5 dl/g, a broad molecular weight distribution Mw/Mn (GPC) equal to or higher than 4, and a Mz/Mw (GPC) equal to or higher than 2.5.

    Abstract translation: 本公开内容涉及具有改善的性能平衡的高度填充的聚烯烃组合物,特别是对于要求穿刺和抗撕裂性的应用,包括柔性多相聚烯烃组合物(I),其由由丙烯与丙烯共聚物组成的结晶聚合物部分(A) 乙烯具有至少90重量%的在25℃下不溶于二甲苯的馏分和由乙烯与丙烯的共聚物共聚物或共聚物组成的弹性体部分(B) 含有低于40重量%乙烯衍生的单元的共聚物或共混物。 具有低于2.5dl / g的IVgpc,宽分子量分布Mw / Mn(GPC)等于或高于4的聚烯烃组合物在25℃下可溶于二甲苯的部分和Mz / Mw(GPC) 等于或高于2.5。 填充的聚烯烃组合物还包含无机填料(II)和丁烯-1共聚物,其弯曲模量(ISO 178)低于60MPa,肖氏A(ISO 868)低于90,Tg(DMTA)低于 - 20°C

    POLYMER COMPOSITION FOR BUMPERS AND INTERIORS AND POLYETHYLENE-BASED RESIN PRECURSOR
    43.
    发明公开
    POLYMER COMPOSITION FOR BUMPERS AND INTERIORS AND POLYETHYLENE-BASED RESIN PRECURSOR 有权
    POLYMERZUSAMMENSETZUNGFÜRSTOSSSTANGEN UNDINNENRÄUMEUND POLYETHYLENBASIERTERHARZVORLÄUFER

    公开(公告)号:EP2776501A1

    公开(公告)日:2014-09-17

    申请号:EP12780189.2

    申请日:2012-10-30

    Abstract: Polyolefin compositions suitable for injection molded 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/butene-1 copolymer (B); having density from 0.850 to 0.935 g/cm 3 , 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 from 0 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 an 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/丁烯-1共聚物(B); 密度为0.850〜0.935g / cm 3,总共聚单体含量为6〜30重量%,Mw / Mn为4〜20; 十氢萘在135℃下的特性粘度为1.0至4.0dL / g,并且包含高达30%wt的HDPE级分(HDPE%wt); 还包含0至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。

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