PROCESS FOR THE PREPARATION OF IMPACT RESISTANT PROPYLENE POLYMER COMPOSITIONS
    21.
    发明申请
    PROCESS FOR THE PREPARATION OF IMPACT RESISTANT PROPYLENE POLYMER COMPOSITIONS 审中-公开
    制备抗冲击丙烯聚合物组合物的方法

    公开(公告)号:WO2010146074A1

    公开(公告)日:2010-12-23

    申请号:PCT/EP2010/058437

    申请日:2010-06-16

    Abstract: 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-olefϊns CH 2 =CHR in which R is a hydrocarbon radical having 1-10 carbon atoms, to produce the said ethylene copolymer.

    Abstract translation: 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)预聚合至每克固体催化剂组分(a)约0.1至约1000g的聚合物的形成量; (iii)聚合产生丙烯(共)聚合物的丙烯,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,在气相中进行乙烯与乙烯的聚合混合物 烯基-CH 2 = CHR,其中R是具有1-10个碳原子的烃基,以制备所述乙烯共聚物。

    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS
    25.
    发明申请
    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS 审中-公开
    制备丙烯随机共聚物的方法

    公开(公告)号:WO2014060217A1

    公开(公告)日:2014-04-24

    申请号:PCT/EP2013/070609

    申请日:2013-10-03

    Abstract: A process for the preparation of random copolymer of propylene containing up to 6.0 % by weight of ethylene units, suitable for the manufacture of pipes, by copolymerizing propylene and ethylene in the presence of a catalyst system comprising the product obtained by contacting the following components: (a) 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 being selected from 1,3 diethers, (b) n aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound.

    Abstract translation: 一种制备含有至多6.0重量%乙烯单元的丙烯的无规共聚物的方法,该乙烯单元通过在包含通过接触以下组分获得的产物的催化剂体系的存在下共聚合丙烯和乙烯: (a)固体催化剂组分,其包含卤化镁,至少具有Ti-卤素键的钛化合物和至少两种电子给体化合物,其中一种以相对于总量为40至90摩尔%的量存在 供体量,选自琥珀酸盐,另一种选自1,3二醚,(b)n烃基铝化合物,和(c)任选的外电子给体化合物。

    POLYPROPYLENE FIBER
    26.
    发明申请
    POLYPROPYLENE FIBER 审中-公开
    聚丙烯纤维

    公开(公告)号:WO2014005816A1

    公开(公告)日:2014-01-09

    申请号:PCT/EP2013/062245

    申请日:2013-06-13

    Abstract: Fibers comprising a polypropylene obtainable by a process comprising the steps of: (i) polymerizing propylene in the presence of a catalyst system comprising the product obtained by contacting the following components: (a) 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 being selected from 1,3 diethers, (b) an aluminum hydrocarbyl compound, and (c) optionally an external electron donor compound, to obtain a polypropylene precursor having a melt flow rate MFRl; (ii) subjecting the thus-obtained polypropylene precursor to visbreaking to obtain a visbroken polypropylene having a melt flow rate MFR2; (iii) spinning the visbroken polypropylene obtained in the previous step; wherein MFR2 is comprised between from 15 to 40 g/10min, the ratio MFR2/MFR1 is comprised between 8 and 18, both MFRl and MFR2 being measured according to ISO method 1133 (230° C, 2.16 kg).

    Abstract translation: 包含聚丙烯的纤维包括以下步骤:(i)在催化剂体系存在下聚合丙烯,所述催化剂体系包含通过使以下组分接触获得的产物:(a)固体催化剂组分,其包含卤化镁,钛化合物 具有至少一个Ti-卤素键和至少两个电子给体化合物,其中一种以相对于供体总量为40-90%摩尔量存在,选自琥珀酸盐,另一种选自1, 3二醚,(b)铝烃基化合物和(c)任选的外电子给体化合物,以获得熔体流动速率MFR1的聚丙烯前体; (ii)将由此获得的聚丙烯前体进行减粘裂化以得到熔体流动速率MFR 2的减粘裂化聚丙烯; (iii)纺丝上一步获得的耐磨破坏聚丙烯; 其中MFR 2为15至40g / 10min,MFR 2 / MFR 1的比率为8至18,根据ISO方法1133(230℃,2.16kg)测量MFR1和MFR2。

    PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    27.
    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:WO2013092281A1

    公开(公告)日:2013-06-27

    申请号:PCT/EP2012/075005

    申请日:2012-12-11

    CPC classification number: C08F10/02 C08F10/00 C08F4/6492 C08F110/06 C08F4/651

    Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm 3 /g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2μm.

    Abstract translation: 用于聚合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含有Ti,Mg和卤素的非立体特异性固体催化剂组分和一定量的乙烯/α-烯烃嵌段(共)聚合物范围 0.1至5g / g所述固体催化剂组分,所述预聚合的催化剂组分的特征在于水银孔隙率,由于孔径达到1um的孔,范围为0.15至0.5cm 3 / g,并且由至少55 所述孔隙率的百分比是由于孔半径高达0.2μm的孔。

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