POLYMER COMPOSITION
    14.
    发明公开
    POLYMER COMPOSITION 有权
    聚合物组合物

    公开(公告)号:EP2376568A1

    公开(公告)日:2011-10-19

    申请号:EP10700509.2

    申请日:2010-01-04

    Abstract: A polypropylene composition comprising: A) from 30% to 90% by weight of a propylene polymer composition comprising: a1) from 20% to 90% of a propylene homopolymer, or a copoloymer of propylene containing 3% or less of derived units of ethylene or C
    4 -C
    10 α-olefin(s) or of combinations thereof, said homopolymer or copolymer having a content of isotactic pentads (mmmm), measured by
    13 C NMR on the fraction insoluble in xylene at 25 °C, higher than 96; a2) from 10% to 80%, of a copolymer of ethylene containing from 40% to 70% of derived units of propylene or C
    4 -C
    10 α-olefin(s) or of combinations thereof; B) from 10% to 70% by weight of a multimodal ethylene copolymer wherein the comonomer is selected from the derived units of alpha olefins of formula CH
    2 =CHT wherein T is a C
    3 -C
    10 alkyl group; having the following properties: i) density (with ISO 1183) comprised in the range from 0.850 to 0.935 g/cm
    3 ; ii) total comonomer content ranging from 6% to 30% by weight; iii) content of 1-butene derived units ranging from 0 to 2% by weight; iv) Mw/Mn comprised from 4 to 20; v) intrinsic viscosity (decalin at 135°C as determined according to EN IS0 1628-312003) comprised between 1.0 and 4.0 dL/g, and C) from 0 to 50 % by weight; preferably from 0 to 20% of a filler.

    POLYMER COMPOSITION FOR BUMPERS AND INTERIORS AND POLYETHYLENE-BASED RESIN PRECURSOR
    17.
    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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