PROPYLENE POLYMER COMPOSITIONS
    82.
    发明公开
    PROPYLENE POLYMER COMPOSITIONS 有权
    丙烯聚合物组合物

    公开(公告)号:EP2764048A1

    公开(公告)日:2014-08-13

    申请号:EP12768836.4

    申请日:2012-10-05

    Abstract: Propylene polymer compositions comprising: A) from 70 wt% to 95 wt%, of a random copolymer of propylene with ethylene, containing from 1.5 wt% to 4.5 wt%, of ethylene derived units, having a content of fraction insoluble in xylene at 25°C of not less than 93%; B) from 5 wt% to 35 wt%, of a copolymer of propylene with ethylene, containing from 7.0 wt% to 17.0 wt % of ethylene derived units; the sum A+B being 100; wherein the melt flow rate ,MFR. (Melt Flow Rate according to ASTM 1238, condition L, i.e. 230°C and 2.16 kg load) ranges from 40 g/10 min and 130 g /10 min; and wherein the relation (I) is fulfilled: 10

    Abstract translation: 丙烯聚合物组合物,其包含:A)70重量%至95重量%的丙烯与乙烯的无规共聚物,其含有1.5重量%至4.5重量%的乙烯衍生单元,其在25℃具有不溶于二甲苯的级分含量 °C不小于93%; B)5重量%至35重量%的丙烯与乙烯的共聚物,其含有7.0重量%至17.0重量%的乙烯衍生的单元; 总和A + B是100; 其中熔体流动速率MFR(根据ASTM 1238的熔体流动速率,条件L,即230℃和2.16kg载荷)为40g / 10min至130g / 10min; 其中满足关系式(I):10≤XS×C2A-MFR / C2B <30(I)其中XS是25℃时二甲苯可溶物含量在全部组合物中的重量%; C2A是组分A的乙烯衍生单元含量的重量%; MFR是总组合物的熔体流动速率; C2B是组分B的乙烯衍生单元含量的重量%。

    POLYOLEFIN COMPOSITION
    84.
    发明公开
    POLYOLEFIN COMPOSITION 有权
    聚烯烃组合物

    公开(公告)号:EP2665772A1

    公开(公告)日:2013-11-27

    申请号:EP12700238.4

    申请日:2012-01-17

    Abstract: A polyolefin composition comprising: a) from 66 wt % to 76 wt % of a propylene polymer having the fraction insoluble in xylene at 25° C., higher than 97 wt %, a polydispersity index lower than 4.5, and a melt flow rate (MFR) comprised between 6.0 g/10 min and 10.0 g/10 min, b) from 12 wt % to 20 wt % of a copolymer of ethylene and propylene, the copolymer having ethylene ranging from 40 wt % to 53 wt %, the polymer fraction soluble in xylene at 25° C. having an intrinsic viscosity value ranging from 2 to 4 dl/g; c) from 12% to 20%% of ethylene homopolymer; the sum of the amount of a)+b)+c) being 100; said composition having a value of melt flow rate (MFR) ranging from 3.6 to 8.0 g/10 min.

    Abstract translation: 1。一种聚烯烃组合物,其包含:a)66重量%至76重量%的丙烯聚合物,其在25℃具有不溶于二甲苯的部分,高于97重量%,多分散指数低于4.5,熔体流动速率 MFR)为6.0g / 10min至10.0g / 10min之间,b)12重量%至20重量%的乙烯与丙烯的共聚物,所述共聚物具有40重量%至53重量%的乙烯,所述聚合物 在25℃下可溶于二甲苯的部分,其特性粘度值为2至4dl / g; c)12%至20%的乙烯均聚物; a)+ b)+ c)的总和为100; 所述组合物的熔体流动速率(MFR)值为3.6至8.0g / 10min。

    POLYOLEFINIC COMPOSITIONS
    86.
    发明公开
    POLYOLEFINIC COMPOSITIONS 有权
    聚烯烃组合物

    公开(公告)号:EP2459642A1

    公开(公告)日:2012-06-06

    申请号:EP10735257.7

    申请日:2010-07-20

    Abstract: A polymer composition comprising (per cent by weight): a) 57%-74%, of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by
    13 C-MNR on the fraction insoluble in xylene at 25° C, higher than 97.5 molar % and a polydispersity index ranging from 5 to 10; b) 8 to 15%, of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 50%, and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 18-28%, of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 35 to 60 g/10 min, and the amount of hexane extractables lower than 4.0 wt%.

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