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    Process Compositions and Permeable Films Therefrom
    121.
    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

    申请人： Daniele Bigiavi ,  Giampaolo Pellegatti ,  Stefano Spataro

    发明人： Daniele Bigiavi ,  Giampaolo Pellegatti ,  Stefano Spataro

    IPC分类号： B32B27/32 ,  C08L23/12

    CPC分类号： 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

    摘要： 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.

    摘要翻译： 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
    123.
    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

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

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

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

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

    摘要： 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).

    摘要翻译： 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
    125.
    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

    申请人： Gerben Meier ,  Massimo Covezzi ,  Pietro Baita ,  Gabriele Mei

    发明人： Gerben Meier ,  Massimo Covezzi ,  Pietro Baita ,  Gabriele Mei

    IPC分类号： C08G85/00

    CPC分类号： 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

    摘要： 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.

    摘要翻译： 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
    126.
    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

    申请人： Dominic Berta ,  Cheng Song ,  Lorie Struzik ,  Giampaolo Pellegatti

    发明人： Dominic Berta ,  Cheng Song ,  Lorie Struzik ,  Giampaolo Pellegatti

    IPC分类号： C08F8/00

    CPC分类号： C08L23/10 ,  C08L23/16 ,  C08L2205/025 ,  C08L2205/03

    摘要： 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.

    摘要翻译： 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。

    PROPYLENE ETHYLENE COPOLYMER
    127.
    发明公开
    PROPYLENE ETHYLENE COPOLYMER 审中-公开

    公开(公告)号：US20240352165A1

    公开(公告)日：2024-10-24

    申请号：US18684539

    申请日：2022-08-16

    申请人： Basell Poliolefine Italia S.r.l.

    发明人： Davide Tartari ,  Gilberto Moscardi ,  Monica Galvan

    IPC分类号： C08F210/16 ,  C08J5/18 ,  E02D17/20 ,  E04D5/08

    CPC分类号： C08F210/16 ,  C08J5/18 ,  C08F2800/20 ,  C08J2323/16 ,  E02D17/20 ,  E02D2300/0006 ,  E04D5/08

    摘要： A propylene ethylene copolymer having:



    i) a xylene soluble fraction at 25° C. ranging from 30 wt % to 48 wt %;
    ii) an intrinsic viscosity of the xylene soluble fraction, ranging from 2.8 to 4.3 dl/g;
    iii) a melt flow rate, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, ranging from 0.2 g/10 min to 10 g/10 min;
    iv) an ethylene derived units content ranging from 10.3 wt % to 15.4 wt %;
    v) the ethylene derived units content on the xylene insoluble fraction, ranging from 6.1 wt % to 9.0 wt %;
    vi) the ethylene derived units content on the xylene soluble fraction, ranging from 18.2. wt % to 30.2 wt %;
    vii) the 13C-NMR sequences PEP measured on the xylene insoluble fraction, ranging from 4.1 mol % to 6.5 mol %; and
    (viii) the 13C-NMR sequences PEP measured on the xylene soluble fraction, ranging from 10.5 mol % to 14.2 mol %.