NUCLEATED PROPYLENE-BASED POLYOLEFIN COMPOSITIONS
    451.
    发明申请
    NUCLEATED PROPYLENE-BASED POLYOLEFIN COMPOSITIONS 审中-公开
    基于丙烯的聚烯烃组合物

    公开(公告)号:WO2014170070A1

    公开(公告)日:2014-10-23

    申请号:PCT/EP2014/054869

    申请日:2014-03-12

    Abstract: A polyolefin composition, particularly fit for the production of extrusion blow molded articles, comprising (a) a propylene-ethylene copolymer having a content of units deriving from ethylene of 4.0 % by weight or higher, and (b) a nucleating agent and having a crystallization temperature (Tc) higher than 117°C can be obtained by copolymerizing propylene and ethylene in the presence of a catalyst system obtained by contacting a solid catalyst component 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 40 to 90% by mol with respect to the total amount of donors and selected from succinates and the other selected from 1,3 diethers, an aluminum hydrocarbyl compound, and optionally an external electron donor compound.

    Abstract translation: 一种聚烯烃组合物,特别适用于生产挤出吹塑制品,其包含(a)乙烯衍生物的含量为4.0重量%以上的丙烯 - 乙烯共聚物,和(b)成核剂并具有 在通过使包含卤化镁的固体催化剂组分,至少具有Ti-卤素键的钛化合物的固体催化剂组分和在至少含有Ti-卤素键的钛化合物的存在下,将丙烯和乙烯共聚合,可以获得高于117℃的结晶温度(Tc) 至少两种电子给体化合物,其中一种以相对于供体总量为40至90摩尔%的量存在,并且选自琥珀酸盐,另一种选自1,3-二醚,铝烃基化合物和任选的 外电子给体化合物。

    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS
    452.
    发明申请
    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS 审中-公开
    油相的气相聚合方法

    公开(公告)号:WO2014044544A1

    公开(公告)日:2014-03-27

    申请号:PCT/EP2013/068375

    申请日:2013-09-05

    Abstract: A process and apparatus for producing olefin polymers are disclosed, comprising: a. polymerizing one or more olefins in the gas phase, in the presence of an olefin polymerization catalyst, whereby growing polymer particles flow along a cylindrically- shaped downward path in densified form under the action of gravity so as to form a densified bed of downward-flowing polymer particles b. allowing said polymer particles to flow through a restriction of the densified bed, such restriction being positioned in a restriction zone extending from the bed upward to a distance of 15% of the total height of the densified bed; and c. metering an antistatic agent through a feed line connected to the densified bed at a feed point being located in a feed zone extending from the top of the restriction upward, to a distance five times the diameter of the section of the densified bed above the restriction.

    Abstract translation: 公开了一种用于生产烯烃聚合物的方法和设备,包括:a。 在气相中在烯烃聚合催化剂存在下聚合一种或多种烯烃,由此生长的聚合物颗粒在致密化形式的重力作用下沿着圆柱形的向下路径流动,以形成向下流动的致密化床 聚合物颗粒b。 允许所述聚合物颗粒流过致密化床的限制,这种限制被定位在从床向上延伸到致密化床的总高度的15%的距离的限制区域中; 和c。 通过连接到致密化床的进料管,在位于从限制器顶部向上延伸的进料区中的进料点计量抗静电剂至限制物上方致密化床的部分直径的五倍。

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    454.
    发明申请
    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的催化剂组分

    公开(公告)号:WO2013131912A2

    公开(公告)日:2013-09-12

    申请号:PCT/EP2013/054399

    申请日:2013-03-05

    Abstract: Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) in which R1 groups are selected from C 1 -C 15 hydrocarbon groups, R 8 groups, equal or different to each other, are selected from hydrogen, halogen and C 1 -C 15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, O, P, S, N and Si and L is a divalent hydrocarbon group optionally containing heteroatoms selected from halogen, O, P, S, N and Si.

    Abstract translation: 用于烯烃聚合的催化剂组分包含Mg,Ti和下式(I)的电子给体化合物,其中R 1基团选自C 1 -C 4烷基, 15个烃基,R 8基团彼此相同或不同,选自氢,卤素和C 1 -C 15 烃基,任选地含有选自卤素,O,P,S,N和Si的杂原子,并且L是任选地含有选自卤素,O,P,S,N和Si的杂原子的二价烃基。 p>

    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    455.
    发明申请
    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的预聚合催化剂组分

    公开(公告)号:WO2013092282A1

    公开(公告)日:2013-06-27

    申请号:PCT/EP2012/075006

    申请日:2012-12-11

    CPC classification number: C08F210/02 C08F10/00 C08F4/6492

    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises (i) a non-stereospecific solid catalyst component comprising Ti, Mg and a halogen and having a porosity, due to pores with radius up to 1 μm, ranging from 0.2 to 0.8 cm 3 /g and (ii) an amount of an ethylene/alpha-olefm block (co)polymer ranging from 0.1 up to 5g per g of said solid catalyst component (i), said pre-polymerized catalyst component being characterized by a mercury porosity due to pores up to 1 μm of less than 70% the mercury porosity value of the said non-stereospecific solid catalyst component (i).

    Abstract translation: 用于具有高活性和形态稳定性的烯烃聚合的预聚合催化剂组分包括(i)包含Ti,Mg和卤素并具有孔隙率的非立体特异性固体催化剂组分,由于半径达1um的孔 ,范围为0.2至0.8cm 3 / g,和(ii)每克所述固体催化剂组分(i)为0.1至5g的乙烯/α-烯烃嵌段(共)聚合物的量,所述预聚合催化剂组分 其特征在于由于所述非立体特异性固体催化剂组分(i)的汞孔隙度值小于70%的孔,高达1um的汞孔隙度。

    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS
    456.
    发明申请
    PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS 审中-公开
    制备异构丙烯聚合物组合物的方法

    公开(公告)号:WO2013072225A1

    公开(公告)日:2013-05-23

    申请号:PCT/EP2012/071974

    申请日:2012-11-07

    Abstract: A processfor the preparation of propylene polymer compositions comprising from 50 to 90 % by weight of a propylene (co)polymer fraction insoluble in xylene at 25°C, and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25°C, said process comprising: (i)a first step of polymerizing propylene in the optional presence of ethylene and/or C 4 - C 10 alpha olefins, to produce a propylene (co)polymer being for at least 85% by weight insoluble in xylene at 25°C; and (ii)a successive step, carried out in gas-phase, in the presence of the product coming from step (i), of copolymerizing a mixture of ethylene with one or more α-olefins CH 2 =CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce an ethylene copolymer; the process being carried out in the presence of a catalyst system comprising: the product obtained by contacting: (a) a solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two internal electron donor compounds one of which being present in an amount from 35 to 90% by mol with respect to the total amount of donors and being selected from succinates and the other being selected from 1,3-diethers, the total amount of internal electron donor compounds being lower than 14.0% by weight with respect to the total weight of the solid catalyst component; with (b) an aluminum hydrocarbyl compound, and optionally with (c) an external electron donor compound.

    Abstract translation: 一种制备丙烯聚合物组合物的方法,其包含50至90重量%的在25℃下不溶于二甲苯的丙烯(共)聚合物部分和10至50重量%在25℃下可溶于二甲苯的乙烯共聚物部分 ℃,所述方法包括:(i)在乙烯和/或C 4 -C 10α-烯烃的任选存在下聚合丙烯的第一步骤,以产生不溶于二甲苯的至少85重量%的丙烯(共)聚合物 在25°C; 和(ii)在来自步骤(i)的产物存在下,在气相中进行共聚合乙烯与一种或多种α-烯烃CH 2 = CHR的混合物的连续步骤,其中R是烃 具有1-10个碳原子的基团,以制备乙烯共聚物; 该方法在催化剂体系存在下进行,该催化剂体系包括:通过使(a)包含卤化镁的固体催化剂组分,至少具有Ti-卤素键的钛化合物和至少两个内部电子给体 其中一种相对于供体总量为35至90摩尔%,其中一种选自琥珀酸酯,另一种选自1,3-二醚,内给电子体化合物的总量为 相对于固体催化剂组分的总重量低于14.0重量% 与(b)铝烃基化合物,和任选与(c)外电子给体化合物。

    POLYOLEFIN COMPOSITIONS
    458.
    发明申请
    POLYOLEFIN COMPOSITIONS 审中-公开
    聚烯烃组合物

    公开(公告)号:WO2013057226A1

    公开(公告)日:2013-04-25

    申请号:PCT/EP2012/070708

    申请日:2012-10-19

    CPC classification number: C08L23/12 C08L23/0815 C08L2666/06

    Abstract: A polyolefm compositions comprising: A) From 77 wt% to 90 wt%, of a propylene homopolymer having the fraction soluble in xylene at 25 °C lower than 2 wt%; B) from 10 wt% to 23 wt% of a copolymer of ethylene with one C4-C10 alpha-olefin containing from 20 wt% to 30 wt%, of said C4-C10 alpha-olefin derived units; said composition having - the value of melt flow rate (MFR) at 230 °C, 2.16 kg of from 0.5 to 4.5 g/10 min; - the total content of ethylene of from 10 wt% to 18 wt%; - the value of the intrinsic viscosity of the total fraction soluble in Xylene at 25°C (AMXSIVtot) is less than 1.5 dl/g.

    Abstract translation: 聚烯烃组合物,其包含:A)77重量%至90重量%的丙烯均聚物,其在25℃下可溶于二甲苯的馏分低于2重量%; B)10重量%至23重量%的乙烯与一种含有20重量%至30重量%的所述C 4 -C 10α-烯烃衍生单元的C 4 -C 10α-烯烃的共聚物; 所述组合物具有在230℃下的熔体流动速率(MFR)的值,2.16kg的0.5至4.5g / 10min的值; - 乙烯的总含量为10重量%至18重量%; - 在25℃(AMXSIVtot)下可溶于二甲苯的总馏分的特性粘度的值小于1.5dl / g。

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