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    Impact resistant polyolefin compositions
    121.
    发明授权
    Impact resistant polyolefin compositions 有权
    耐冲击聚烯烃组合物

    公开(公告)号：US07482406B2

    公开(公告)日：2009-01-27

    申请号：US10551682

    申请日：2004-03-29

    Applicant: Jean News ,  Paola Massari ,  Hans-Jürgen Zimmermann

    Inventor： Jean News ,  Paola Massari ,  Hans-Jürgen Zimmermann

    IPC: C08L23/14 ,  C08F297/08 ,  C08F4/649

    CPC classification number: C08F10/00 ,  C08F210/16 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/16 ,  Y10S526/905 ,  C08F4/651 ,  C08L2666/06 ,  C08F210/06 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/04

    Abstract: Olefin polymer composition comprising (by weight, unless otherwise specified): A) 60-95% of a propylene homopolymer or copoloymer having a Polydispersity Index (P.I.) value of from 4.6 to 10 and a content of isotactic pentads (mmmm), measured by 13C NMR on the fraction insoluble in xylene at 25° C., higher than 98 molar, B) 5-40% of a copolymer of ethylene containing from 40% to 70% of propylene or C4-C10 α-olefins) or of combinations thereof, and optionally minor proportions of a diene; said composition having a Temperature Rising Elution Fractionation (TREF) profile, obtained by fractionation in xylene and collection of fractions at temperatures of 40° C., 80° C. and 90° C., in which the ethylene content Y of the fraction collected at 90° C. satisfies the following relation (1): Y≦−0.8+0.035X+0.0091X2 wherein X is the ethylene content of the fraction collected at 40° C. and both X and Y are expressed in percent by weight, and a value of intrinsic viscosity [η] of the fraction soluble in xylene at 25° C. of from 1.8 to 4.2 dl/g.

    Abstract translation: 烯烃聚合物组合物包含（按重量计，除非另有说明）：A）60-95％的多分散指数（PI）值为4.6至10的丙烯均聚物或共聚合物和全同立构五单元组（mmmm）的含量，通过 在25℃，高于98摩尔的不溶于二甲苯的级分上的13C NMR，B）5-40％含有40％至70％丙烯或C 4 -C 10α-烯烃的乙烯共聚物）或组合 和任选地较小比例的二烯; 所述组合物具有通过在二甲苯中分馏并在40℃，80℃和90℃的温度下收集馏分获得的升温洗脱分馏（TREF）分布，其中收集馏分的乙烯含量Y 满足以下关系式（1）：Y <= -0.8 + 0.035X + 0.0091X2其中X是在40℃收集的馏分的乙烯含量，X和Y都以重量百分比表示 ，在25℃下可溶于二甲苯的馏分的特性粘度η值为1.8-4.2dl / g。

    Process Compositions and Permeable Films Therefrom
    124.
    发明申请
    Process Compositions and Permeable Films Therefrom 有权
    工艺组合和透气薄膜

    公开(公告)号：US20080090061A1

    公开(公告)日：2008-04-17

    申请号：US11793662

    申请日：2005-12-07

    Applicant: Daniele Bigiavi ,  Giampaolo Pellegatti ,  Stefano Spataro

    Inventor： Daniele Bigiavi ,  Giampaolo Pellegatti ,  Stefano Spataro

    IPC: B32B27/32 ,  C08L23/12

    CPC classification number: C08L23/10 ,  B32B27/08 ,  B32B27/32 ,  B32B2270/00 ,  B32B2307/31 ,  B32B2307/412 ,  B32B2307/518 ,  B32B2307/54 ,  B32B2307/7242 ,  B32B2307/7244 ,  B32B2307/7246 ,  B32B2307/75 ,  B32B2439/46 ,  B32B2439/70 ,  C08J5/18 ,  C08J2323/10 ,  C08J2323/12 ,  C08J2323/20 ,  C08L23/20 ,  C08L2666/06

    Abstract: Films especially suitable for the packaging of fresh foodstuff, like salad and vegetables, due to their high permeability to oxygen, carbon dioxide and water vapour, are obtained from polyolefin composition comprising (percentage by weight): A) 5% to 80% of a butene-1 polymer or polymer composition containing from 0% to 25% of one or more comonomers selected from ethylene and alpha-olefins different from 1-butene, provided that, when ethylene only is present as comonomer, the amount of ethylene is higher than 4% and a copolymer fraction (i) containing at least 6.2% of ethylene is present, said polymer or polymer composition having a content of fraction soluble in xylene at 0° C. of from 50% to 100% and a Flexural Modulus (measured according to ISO 178) from 15 to 300 MPa; B) 20% to 95% of a propylene homopolymer or copolymer having a content of fraction insoluble in xylene at room temperature of 93% or more.

    Abstract translation: 由于其对氧气，二氧化碳和水蒸气的高渗透性，特别适用于包装新鲜食品（如沙拉和蔬菜）的薄膜由包含（重量百分比）的聚烯烃组合物获得：A）5％至80％的 丁烯-1聚合物或含有0％至25％的一种或多种选自乙烯和不同于1-丁烯的α-烯烃的共聚单体的聚合物组合物，条件是当乙烯仅作为共聚单体存在时，乙烯的量高于 4％，含有至少6.2％的乙烯的共聚物级分（i）存在，所述聚合物或聚合物组合物的含量在0℃下可溶于二甲苯的比例为50％至100％，弯曲模量 根据ISO 178）15〜300MPa; B）20％至95％的丙烯均聚物或共聚物，其在室温下不溶于二甲苯的馏分含量为93％以上。

    Liquid Phase Process for Polymerizing Olefins
    126.
    发明申请
    Liquid Phase Process for Polymerizing Olefins 失效
    用于聚合烯烃的液相方法

    公开(公告)号：US20070265401A1

    公开(公告)日：2007-11-15

    申请号：US10581981

    申请日：2004-11-29

    Applicant: Giuseppe Penzo ,  Daniele Bigiavi ,  Massimo Covezzi ,  Maria Tonti ,  Anna Fait ,  Pietro Baita

    Inventor： Giuseppe Penzo ,  Daniele Bigiavi ,  Massimo Covezzi ,  Maria Tonti ,  Anna Fait ,  Pietro Baita

    IPC: C08F6/06 ,  C08F10/00 ,  C08F2/04

    CPC classification number: C08F6/003 ,  C08F6/02 ,  C08F10/08 ,  C08F110/08 ,  C08F210/08 ,  C08F2/005 ,  C08F2/06 ,  C08F2500/12 ,  C08F2500/17 ,  C08F210/16

    Abstract: A solution process for polymerizing one or more α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1-C18, to produce a polymer that is soluble in the reaction medium, comprising the steps of: continuously polymerizing in a liquid phase the α-olefin in the presence of a catalyst system based on a transition metal compound to obtain a solution of polymer in the reaction medium; the polymeric solution obtained from step a) is then mixed in one or more mixing stages with an aqueous mixture comprising one or more organic compounds having at least a hydroxy or epoxy group, said aqueous mixture having a dynamic viscosity at 30° C. higher than 50 cP (centiPoise).

    Abstract translation: 用于聚合一种或多种式CH 2 -CHR的α-烯烃的溶液方法，其中R是H或烷基C 1 -C 18 - 以产生可溶于反应介质的聚合物，包括以下步骤：在基于过渡金属化合物的催化剂体系的存在下，在液相中连续聚合α-烯烃以获得聚合物 在反应介质中; 然后将由步骤a）得到的聚合物溶液在一个或多个混合阶段与包含一种或多种至少具有羟基或环氧基团的有机化合物的含水混合物混合，所述水性混合物的动态粘度在30℃时高于 50厘泊（厘泊）。

    Process and apparatus for the polymerization of ethylene
    128.
    发明申请
    Process and apparatus for the polymerization of ethylene 有权
    用于乙烯聚合的方法和装置

    公开(公告)号：US20070093621A1

    公开(公告)日：2007-04-26

    申请号：US10568739

    申请日：2004-07-19

    Applicant: Gerben Meier ,  Massimo Covezzi ,  Pietro Baita ,  Gabriele Mei

    Inventor： Gerben Meier ,  Massimo Covezzi ,  Pietro Baita ,  Gabriele Mei

    IPC: C08G85/00

    CPC classification number: B01J8/0055 ,  B01J8/1854 ,  B01J8/24 ,  B01J19/2435 ,  B01J2208/00619 ,  B01J2219/00006 ,  B01J2219/0004 ,  B01J2219/00184 ,  C08F210/16 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/02 ,  Y10S526/905 ,  C08F2/34 ,  C08F2/001 ,  C08L2666/06 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/17 ,  C08F210/08

    Abstract: Process for preparing a broad molecular weight polyethylene by polymerizing ethylene in the presence of a polymerization catalyst, the process comprising the following steps, in any mutual order: a) polymerizing ethylene, optionally together with one or more α-olefinic comonomers having from 3 to 12 carbon atoms, in a gas-phase reactor in the presence of hydrogen, b) copolymerizing ethylene with one or more α-olefinic comonomers having from 3 to 12 carbon atoms in another gas-phase reactor in the presence of an amount of hydrogen less than step a), where in at least one of said gas-phase reactors the growing polymer particles flow upward through a first polymerization zone under fast fluidization or transport conditions, leave said first polymerization zone and enter a second polymerization zone through which they flow downward under the action of gravity.

    Abstract translation: 通过在聚合催化剂存在下聚合乙烯来制备宽分子量聚乙烯的方法，该方法包括以下步骤：a）聚合乙烯，任选地与一种或多种α-烯烃共聚单体一起聚合，所述α-烯烃共聚单体具有3〜 12个碳原子，在氢气存在下的气相反应器中，b）在另一种气相反应器中在一定量的氢气存在下使乙烯与一种或多种具有3至12个碳原子的α-烯烃共聚单体共聚 其中在至少一个所述气相反应器中，生长的聚合物颗粒在快速流化或运输条件下通过第一聚合区向上流动，留下所述第一聚合区并进入第二聚合区，通过它们向下流动 在重力的作用下。

    Preparation of improved soft olefin polymer materials by using peroxide-containing polyolefins
    129.
    发明申请
    Preparation of improved soft olefin polymer materials by using peroxide-containing polyolefins 审中-公开
    通过使用含过氧化物的聚烯烃制备改进的软烯烃聚合物材料

    公开(公告)号：US20060155070A1

    公开(公告)日：2006-07-13

    申请号：US11325789

    申请日：2006-01-05

    Applicant: Dominic Berta ,  Cheng Song ,  Lorie Struzik ,  Giampaolo Pellegatti

    Inventor： Dominic Berta ,  Cheng Song ,  Lorie Struzik ,  Giampaolo Pellegatti

    IPC: C08F8/00

    CPC classification number: C08L23/10 ,  C08L23/16 ,  C08L2205/025 ,  C08L2205/03

    Abstract: A process for making an improved soft olefin polymer material comprising: a) preparing a polymer mixture comprising: (I) about 70 to about 95% by weight of a heterophasic polyolefin; (II) about 5 to about 30% by weight of a reactive, peroxide-containing olefin polymer; and (III) optionally, about 1 to about 10% by weight of a co-agent having a molecular structure containing at least two aliphatic unsaturated carbon-carbon bonds; wherein (I)+(II)+(III) equals 100%; b) extruding or compounding in molten state the polymer mixture, thereby producing a melt mixture; and optionally c) pelletizing the melt mixture.

    Abstract translation: 一种制备改进的软烯烃聚合物材料的方法，包括：a）制备聚合物混合物，其包含：（I）约70至约95重量％的多相聚烯烃; （II）约5至约30重量％的含活性过氧化物的烯烃聚合物; 和（III）任选的约1至约10重量％的具有包含至少两个脂族不饱和碳 - 碳键的分子结构的助剂; 其中（I）+（II）+（III）等于100％; b）在熔融状态下挤出或混合聚合物混合物，从而产生熔体混合物; 并且任选地c）将熔融混合物造粒。

    POLYOLEFIN FILAMENT
    130.
    发明申请
    POLYOLEFIN FILAMENT 有权

    公开(公告)号：US20250051973A1

    公开(公告)日：2025-02-13

    申请号：US18717910

    申请日：2022-12-05

    Applicant: Basell Poliolefine Italia S.r.l.

    Inventor： Roberta Marchini ,  Gianni Perdomi ,  Gianluca Musacchi ,  Fabio Di Pietro

    IPC: D01F8/06 ,  C08L23/12 ,  C08L23/20

    Abstract: A stretched polyolefin filament, having elongation at break EB of equal to or higher than 80% and a ratio SR/EB, where SR is the stretching ratio, of equal to or lower than 45, made from or containing: a polyolefin composition (I), made from or containing A) from 40% to 78% by weight of a propylene polymer; B) from 22% to 60% by weight of a butene-1 polymer having: 1) a flexural modulus value from 100 to 800 MPa; 2) a ratio MI10/MI2 of from 20 to 40; and 3) a content of fraction soluble in xylene at 0° C. of 15% by weight or lower; wherein the amounts of A) and B) are referred to the total weight of A)+B).

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