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    Polyolefin compositions
    214.
    发明授权
    Polyolefin compositions 有权
    聚烯烃组合物

    公开(公告)号：US09321913B2

    公开(公告)日：2016-04-26

    申请号：US14352868

    申请日：2012-10-19

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Roberta Marzolla ,  Monica Galvan ,  Angelo Ferraro

    IPC: C08L23/00 ,  C08L23/12 ,  C08L23/08

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

    Abstract: A polyolefin 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: 一种聚烯烃组合物，其包含：A）77重量％至90重量％的在25℃下可溶于二甲苯的级分低于2重量％的丙烯均聚物; 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; 所述组合物在230℃下的熔体流动速率（MFR）值为2.16kg，为0.5-4.5g / 10min; 乙烯的总含量为10重量％至18重量％; 在25℃下可溶于二甲苯的总馏分的特性粘度（AMXSIVtot）的值小于1.5dl / g。

    MULTISTAGE PROCESS FOR THE POLYMERIZATION OF ETHYLENE
    215.
    发明申请
    MULTISTAGE PROCESS FOR THE POLYMERIZATION OF ETHYLENE 有权
    乙烯聚合的多级方法

    公开(公告)号：US20150353655A1

    公开(公告)日：2015-12-10

    申请号：US14653961

    申请日：2013-12-10

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Andreas Maus ,  Gerhardus Meier ,  Gianni Collina ,  Diego Brita

    IPC: C08F110/02

    CPC classification number: C08F110/02 ,  C08F2/14 ,  C08F10/02 ,  C08F2/001 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/14

    Abstract: The present invention relates to a slurry process for preparing an ethylene polymer having a melt flow ratio F/P, which is the ratio among the melt index value measured according to ASTM 1238 condition “F” and the melt index value measured according to ASTM 1238 condition “P” of equal to or lower than 27, carried out in two or more stages of polymerization at temperatures in the range from 60 to 120° C., in which at least two of the said two or more polymerization stages are carried out under different amounts of molecular weight regulator, said process being carried out in the presence of (A) a solid catalyst component comprising Ti, Mg, halogen, having a porosity (PF), measured by the mercury method and due to pores with radius equal to, or lower than, 1 μm, of at least 0.3 cm3/g and a surface area determined by BET method, of lower than 100 m2/g, and being further characterized by the fact that more than 50% of the titanium atoms are in a valence state lower than 4 and (B) of an organoaluminum compound.

    Abstract translation: 本发明涉及一种用于制备熔体流动比F / P的乙烯聚合物的浆料方法，其是根据ASTM 1238条件“F”测量的熔体指数与根据ASTM 1238测量的熔体指数之间的比率 条件“P”等于或低于27，在60至120℃的温度下在两个或更多个聚合阶段进行，其中至少两个所述两个或更多个聚合阶段被执行 在不同量的分子量调节剂下，所述方法在（A）包含通过汞法测量的具有孔隙率（PF）的Ti，Mg，卤素的固体催化剂组分的存在下进行，并且由于具有半径相等的孔 至少为0.3cm 3 / g，BET法测定的表面积低于100m2 / g，进一步的特征在于，超过50％的钛原子为 在低于4的价态下，（B） 的有机铝化合物。

    Propylene polymer compositions
    217.
    发明授权
    Propylene polymer compositions 有权
    丙烯聚合物组合物

    公开(公告)号：US09181424B2

    公开(公告)日：2015-11-10

    申请号：US14349711

    申请日：2012-10-05

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Gisella Biondini ,  Marco Ciarafoni ,  Paola Massari ,  Roberto Pantaleoni

    IPC: C08L23/00 ,  C08L23/10 ,  C08L23/06 ,  C08L23/14

    CPC classification number: C08L23/14 ,  C08L23/142 ,  C08L2205/02 ,  C08L2205/025 ,  C08L2205/24 ,  C08L2314/02 ,  C08L2666/06

    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，其含量在25℃不溶于二甲苯 ℃不低于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％的乙烯衍生单元; 总和A + B为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负荷）为40g / 10min和130g / 10min; 并且其中满足关系式（I）：10

    PROCESS FOR THE PREPARATION OF PROPYLENE RANDOM COPOLYMERS
    218.
    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：US20150284488A1

    公开(公告)日：2015-10-08

    申请号：US14436412

    申请日：2013-10-03

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Monica Galvan ,  Andreas Neumann ,  Tiziana Caputo ,  Stefano Squarzoni ,  Antonio Mazzucco ,  Ofelia Fusco ,  Benedetta Gaddi ,  Gianni Collina

    IPC: C08F210/06

    CPC classification number: C08F210/06 ,  C08F4/651 ,  C08F210/16 ,  C08F2500/03 ,  C08F2500/26

    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) an 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存在下共聚丙烯和乙烯来制备管道： （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 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。

    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS
    219.
    发明申请
    PROCESS FOR THE GAS-PHASE POLYMERIZATION OF OLEFINS 有权
    油相的气相聚合方法

    公开(公告)号：US20150232588A1

    公开(公告)日：2015-08-20

    申请号：US14429585

    申请日：2013-09-05

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： Enrico Balestra ,  Tiziana Caputo ,  Maurizio Dorini ,  Antonio Mazzucco ,  Silvia Soffritti

    IPC: C08F10/06 ,  B01J19/24

    CPC classification number: C08F10/06 ,  B01J8/24 ,  B01J8/26 ,  B01J8/388 ,  B01J19/24 ,  B01J2208/00274 ,  B01J2208/00283 ,  B01J2208/00734 ,  B01J2219/00164 ,  B01J2219/24 ,  C08F10/00 ,  C08F210/06 ,  C08F2/34 ,  C08F2/005 ,  C08F2/001 ,  C08F210/16 ,  C08F2500/12 ,  C08F2/01

    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。 在气相中聚合一种或多种烯烃，在烯烃聚合催化剂的存在下，由此生长的聚合物颗粒在致密形式的重力作用下沿着圆柱形的向下的路径流动，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供给管线的计量抗静电剂，所述供给管线位于从限制件的顶部向上延伸的进料区域中的进料点，距离所述限制物上方的致密化床部分的直径的五倍。

    POLYPROPYLENE FIBER
    220.
    发明申请
    POLYPROPYLENE FIBER 审中-公开
    聚丙烯纤维

    公开(公告)号：US20150191852A1

    公开(公告)日：2015-07-09

    申请号：US14408023

    申请日：2013-06-13

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Monica Galvan ,  Andreas Neumann ,  Roberto Pantaleoni ,  Antonio Mazzucco ,  Ofelia Fusco ,  Benedetta Gaddi ,  Gianni Collina

    IPC: D01F6/06 ,  D04H3/016 ,  D04H3/007 ,  B29C47/00 ,  D04H3/16

    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 MFR1; (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/10 min, the ratio MFR2/MFR1 is comprised between 8 and 18, both MFR1 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个二醚，（b）铝烃基化合物和（c）任选的外电子给体化合物，得到熔体流动速率MFR 1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在15至40g / 10min之间，MFR 2 / MFR 1的比率在8和18之间，MFR 1和MFR 2均根据ISO方法1133（230℃，2.16kg）测量。

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