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    Polyethylene Copolymers
    21.
    发明申请
    Polyethylene Copolymers 有权
    聚乙烯共聚物

    公开(公告)号：US20110294975A1

    公开(公告)日：2011-12-01

    申请号：US13143962

    申请日：2010-01-13

    申请人： Fabiana Fantinel ,  Shahram Mihan ,  Gerd Mannebach ,  Volker Dolle

    发明人： Fabiana Fantinel ,  Shahram Mihan ,  Gerd Mannebach ,  Volker Dolle

    IPC分类号： C08F10/14

    CPC分类号： C08F210/16 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/61904 ,  C08F210/14 ,  C08F2500/17 ,  C08F2500/05 ,  C08F2500/12 ,  C08F4/7042

    摘要： A multimodal ethylene copolymer having the following properties: i) density comprised in the range from 0.880 to 0.955 g/cm3; ii) total comonomer content ranging from 6% to 25% by weight; iii) content of 1-butene derived units ranging from 0 to 2% by weight; iv) Mw/Mn comprised from 4 to 20; v) intrinsic viscosity (decalin at 135° C. as determined according to EN ISO 1628-312003) comprised between 1.0 and 4.0 dL/g; said multimodal ethylene copolymer comprises from 10% to 80% by weight of a first polyethylene component and being detected at the Crystaf® apparatus at a temperature higher than 75° C. and from 90% to 20% by weight of a second polyethylene component being a copolymer being detected at a Crystaf® apparatus at a temperature lower than 75° C.; wherein said multimodal ethylene copolymer being fractionated into 12 fractions by means of the Holtrup analysis, the fractions containing more than 2% by weight of the total amount of material meet the following relationship: Cf/HDPE>−0.0075HDPE+0.58; wherein Cf is the amount (% wt) of comonomer of formula CH2═CHT in the copolymer of the fraction and HDPE is the amount (% wt) of the homopolymer component present in the fraction.

    摘要翻译： 具有以下特性的多峰乙烯共聚物：i）密度在0.880至0.955g / cm3的范围内; ii）总共聚单体含量为6重量％至25重量％; iii）1-丁烯衍生单元的含量为0-2重量％; iv）Mw / Mn为4〜20; v）特性粘度（根据EN ISO 1628-312003测定的135℃下的十氢化萘）为1.0至4.0dL / g; 所述多峰乙烯共聚物包含10重量％至80重量％的第一聚乙烯组分，并且在高于75℃的温度下在Crystaf？仪器中检测到，并且90重量％至20重量％的第二聚乙烯组分为 在低于75℃的温度下在Crystaf？仪器上检测共聚物; 其中通过Holtrup分析将所述多峰乙烯共聚物分馏成12个级分，含有超过材料总量的2重量％以上的馏分满足以下关系：Cf / HDPE> -0.0075HDPE + 0.58; 其中Cf是馏分和HDPE的共聚物中式CH 2 = CHT的共聚单体的量（％wt）是存在于级分中的均聚物组分的量（％wt）。

    Process for the preparation of polyolefins
    22.
    再颁专利
    Process for the preparation of polyolefins 有权
    制备聚烯烃的方法

    公开(公告)号：USRE39156E1

    公开(公告)日：2006-07-04

    申请号：US09488037

    申请日：2000-01-19

    申请人： Andreas Winter ,  Martin Antberg ,  Bernd Bachmann ,  Volker Dolle ,  Frank Küber ,  Jürgen Rohrmann ,  Walter Spaleck

    发明人： Andreas Winter ,  Martin Antberg ,  Bernd Bachmann ,  Volker Dolle ,  Frank Küber ,  Jürgen Rohrmann ,  Walter Spaleck

    IPC分类号： C07F17/00 ,  C08F4/642 ,  B01J31/00

    CPC分类号： C08F297/083 ,  C07F17/00 ,  C08F4/63912 ,  C08F4/63916 ,  C08F4/63927 ,  C08F10/00 ,  C08F110/06 ,  C08F2500/15 ,  C08F2500/03 ,  C08F2500/17 ,  C08F2500/12

    摘要： A process for the preparation of an olefin polymer by polymerization or copolymerization of an olefin of the formula Ra—CH═CH—Rb, in which Ra and Rb are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms or Ra and Rb, together with the atoms connecting them, can form a ring, at a temperature of from −60° to 200° C., at a pressure of from 0.5 to 100 bar, in solution, in suspension or in the gas phase, in the presence of a catalyst formed from a metallocene in the meso-form or a meso:rac mixture, with meso:rac>1:99, as transition-metal compound and a cocatalyst, wherein the metallocene is a compound of the formula I, in which M1 is Zr or Hf, R1 and R2 are identical or different and are methyl or chlorine, R3 and R6 are identical or different and are methyl, isopropyl, phenyl, ethyl or trifluoromethyl, R4 and R5 are hydrogen or as defined for R3 and R6, or R4 forms an aliphatic or aromatic ring with R6, or adjacent radicals R4 form a ring of this type, and R7 is a radical, and m plus n is zero or 1.

    摘要翻译： 一种制备烯烃聚合物的方法，该方法是通过使式R a -O-CH-CH-R b的烯烃聚合或共聚制备烯烃聚合物，其中R a R 1和R 2彼此相同或不同，是氢原子或具有1至14个碳原子的烃基或R a a和R b， / SUP>与连接它们的原子一起可以在-60°至200℃的温度下，在0.5至100巴的压力下，在溶液中，悬浮液中或在气相中形成环 在由外消旋混合物中内消旋的茂金属形成的催化剂存在下，外消旋体>外消旋体> 1:99，作为过渡金属化合物和助催化剂，其中金属茂是式 I，其中M 1是Zr或Hf，R 1和R 2相同或不同，是甲基或氯，R SUP > 3和R 6相同或不同，为甲基，异丙基，苯基，乙基或三氟甲基，R 4和 R 5是氢或根据R 3和R 6定义，R 6或R 4还可以是脂族或芳族的 与R 6相连，或相邻基团R 4形成这种环，R 7是一个基团，m + n是 零或1。

    Polymer having long isotactic sequences and randomly-distributed ethylene content obtained by polymerizing propylene in presence of specific catalysts
    26.
    发明授权
    Polymer having long isotactic sequences and randomly-distributed ethylene content obtained by polymerizing propylene in presence of specific catalysts 失效
    在特定催化剂存在下通过聚合丙烯获得的具有长全同立构序列和无规分布的乙烯含量的聚合物

    公开(公告)号：US5700896A

    公开(公告)日：1997-12-23

    申请号：US480542

    申请日：1995-06-07

    申请人： Volker Dolle ,  Jurgen Rohrmann ,  Andreas Winter ,  Martin Antberg

    发明人： Volker Dolle ,  Jurgen Rohrmann ,  Andreas Winter ,  Martin Antberg

    IPC分类号： C08F4/642 ,  C08F4/659 ,  C08F4/6592 ,  C08F110/06 ,  C08F10/06

    CPC分类号： C08F110/06 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/943

    摘要： Propylene isoblock polymers with 0.5 to 10 mol %, based on the total polymer, of randomly distributed ethylene content and with a narrow molecular weight distribution and rubber-like properties are obtained when propylene is polymerized using a catalyst comprising an aluminoxane and a chiral metallocene, containing bridges, of formula I: ##STR1## in which M.sup.1 is preferably hafnium or zirconium, R.sup.1 and R.sup.2 are preferably halogen (e.g. C1) atoms, R.sub.3 through R.sup.6 are hydrogen or C.sub.1 -C.sub.10 alkyl, and pair of adjacent radicals R.sup.3, R.sup.4, R.sup.5, and R.sup.6 can form an aromatic ring with the C-atoms to which they are bonded, and R.sup.7 is preferably --Si(CH.sub.3).sub.2 --Si(CH.sub.3).sub.2 --.

    摘要翻译： 当使用包含铝氧烷和手性茂金属的催化剂聚合丙烯时，获得基于总聚合物的0.5至10摩尔％的随机分布的乙烯含量并具有窄分子量分布和橡胶状性质的丙烯异嵌段聚合物， 含有式I的桥，其中R 1和R 2优选为卤素（例如C 1）原子，R 3至R 6为氢或C 1 -C 10烷基，并且一对相邻基团R 3，R 4，R 5和R 6可以形成 与它们键合的C原子的芳香环，并且R 7优选为-Si（CH 3）2 -Si（CH 3）2 - 。