Propylene-based terpolymers for films
    13.
    发明授权
    Propylene-based terpolymers for films 有权
    用于膜的丙烯基三元共聚物

    公开(公告)号:US08785584B2

    公开(公告)日:2014-07-22

    申请号:US13639835

    申请日:2011-03-01

    IPC分类号: C08F210/16 C08F210/14

    摘要: A propylene/ethylene/1-hexene terpolymer containing from 1.0 wt % to 2.5 wt %, of ethylene derived units and from 2.0 wt % to 4.0 wt % of 1-hexene derived units, the sum of the amounts of propylene, ethylene and 1-.hexene derived units being 100, having the following features: a) the amount (Wt %) of 1-hexene (C6) and the amount (Wt %) of ethylene (C2) fulfill the following relation: C2

    摘要翻译: 含有1.0重量%至2.5重量%的乙烯衍生单元和2.0重量%至4.0重量%的1-己烯衍生单元的丙烯/乙烯/ 1-己烯三元共聚物是丙烯,乙烯和1 - 己烯衍生单元为100,具有以下特征:a)1-己烯(C6)的量(Wt%)和乙烯(C2)的量(Wt%)满足以下关系:C2 <-0.18C6 +2.86; b)多分散指数(PI)为2至10; c)熔融温度为125℃至139℃。 d)在25℃下低于10重量%的在二甲苯中的溶解度; e)根据ISO方法1133的熔体指数(MFR)为4至6g / 10dg / min; 和f)结晶温度为85℃至100℃。

    Pipes and Polyolefin Composition For the Manufacture Thereof
    15.
    发明申请
    Pipes and Polyolefin Composition For the Manufacture Thereof 有权
    管和聚烯烃组合物的制造

    公开(公告)号:US20130095266A1

    公开(公告)日:2013-04-18

    申请号:US13805753

    申请日:2011-06-08

    IPC分类号: C08L23/14

    摘要: A heterophasic polypropylene composition comprising (percent by weight referred to the sum of components A) and B)): A) from 80% to 97% of a random copolymer of propylene containing from 0.1 to 4% of 1-hexene derived units; B) from 3-20% of a copolymer of propylene and ethylene having a content of ethylene derived units ranging from 50% to 55% extremes excluded; wherein the heterophasic polypropylene composition is endowed with a Melt Flow Rate: measured according to ISO 1133 (230° C., 5 Kg) ranging from 0.5 to 5 g/10 min; and an intrinsic viscosity (IV) of the fraction soluble in xylene at room temperature ranging from 2.5 to 5.5;

    摘要翻译: 一种多相聚丙烯组合物,其包含(以重量百分数称为组分A)和B)):A)80%至97%的含有0.1至4%的1-己烯衍生单元的丙烯的无规共聚物; B)从3-20%的丙烯和乙烯的共聚物的乙烯衍生单元的范围为不超过50%至55%的极限; 其中所述多相聚丙烯组合物具有根据ISO 1133(230℃,5Kg)测量的熔体流动速率,范围为0.5至5g / 10min; 和在室温范围为2.5〜5.5的可溶于二甲苯的馏分的特性粘度(Ⅳ);

    Process for the Preparation of Impact Resistant Propylene Polymer Compositions
    20.
    发明申请
    Process for the Preparation of Impact Resistant Propylene Polymer Compositions 有权
    制备耐冲击丙烯聚合物组合物的方法

    公开(公告)号:US20120083576A1

    公开(公告)日:2012-04-05

    申请号:US13376893

    申请日:2010-06-16

    摘要: A process for the preparation of propylene polymer compositions carried out in the presence of a catalyst system comprising (a) a solid catalyst component having average particle size ranging from 15 to 80 μm comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 50 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum alkyl and optionally (c) an external electron donor compound, and comprising the following steps: (i) contacting the catalyst components (a), (b) and optionally (c); (ii) pre-polymerizing up to forming amounts of polymer from about 0.1 up to about 1000 g per gram of solid catalyst component (a); (iii) polymerizing propylene producing a propylene (co)polymer being for at least 85% by weight of insoluble in xylene at 25° C. and (iv) in a successive step, carried out in gas-phase, polymerizing mixtures of ethylene with α-olefins CH2═CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce the said ethylene copolymer.

    摘要翻译: 一种制备丙烯聚合物组合物的方法,所述组合物在催化剂体系存在下进行,所述催化剂体系包含(a)平均粒度为15-80μm的固体催化剂组分,其包含卤化镁,至少具有Ti- 卤素键和至少两种电子给体化合物,其中一种以相对于供体总量为50-90%摩尔量存在,选自琥珀酸盐,另一种选自1,3-二醚,(b) 烷基铝和任选的(c)外电子给体化合物,并包括以下步骤:(i)使催化剂组分(a),(b)和任选的(c)接触; (ii)每克固体催化剂组分(a)预聚合至约0.1至约1000g的聚合物的形成量; (iii)聚合丙烯,产生丙烯(共)聚合物,其在25℃下为不溶于二甲苯的至少85重量%,和(iv)在连续步骤中,在气相聚合乙烯混合物 其中R是具有1-10个碳原子的烃基的α-烯烃CH 2 = CHR,以制备所述乙烯共聚物。