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    Polyethylene and catalyst composition for its preparation
    2.
    发明授权
    Polyethylene and catalyst composition for its preparation 有权
    聚乙烯和催化剂组合物的制备

    公开(公告)号：US08563674B2

    公开(公告)日：2013-10-22

    申请号：US12800998

    申请日：2010-05-27

    申请人： Shahram Mihan

    发明人： Shahram Mihan

    IPC分类号： C08F10/02

    CPC分类号： C08F10/02 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/02 ,  C08F210/16 ,  Y10T428/1345 ,  C08F4/61904 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/10 ,  C08F4/7042 ,  C08F220/10 ,  C08F2500/19 ,  C08F2500/20 ,  C08F2500/26

    摘要： Polyethylene which comprises ethylene homopolymers and copolymers of ethylene with α-olefins and has a molar mass distribution width Mw/Mn of from 6 to 100, a density of from 0.89 to 0.97 g/cm3, a weight average molar mass Mw of from 5000 g/mol to 700 000 g/mol and has from 0.01 to 20 branches/1000 carbon atoms and at least 0.5 vinyl groups/1000 carbon atoms, wherein the 5-50% by weight of the polyethylene having the lowest molar masses have a degree of branching of less than 10 branches/1000 carbon atoms and the 5-50% by weight of the polyethylene having the highest molar masses have a degree of branching of more than 2 branches/1000 carbon atoms, a process for its preparation, catalysts suitable for its preparation and also fibers, moldings, films or polymer blends in which this polyethylene is present.

    摘要翻译： 聚乙烯，其包含乙烯均聚物和乙烯与α-烯烃的共聚物，其摩尔质量分布宽度Mw / Mn为6至100，密度为0.89至0.97g / cm 3，重均摩尔质量Mw为5000g / mol至700000g / mol，具有0.01至20个支链/ 1000个碳原子和至少0.5个乙烯基/ 1000个碳原子，其中5-50重量％的具有最低摩尔质量的聚乙烯具有 小于10个支链/ 1000个碳原子的支链和5-50重量％的具有最高摩尔质量的聚乙烯具有多于2个分支/ 1000个碳原子的支化度，其制备方法，适用于 其制备方法以及其中存在该聚乙烯的纤维，模制品，膜或聚合物共混物。

    Method for transitioning between incompatible olefin polymerization catalyst systems
    3.
    发明授权
    Method for transitioning between incompatible olefin polymerization catalyst systems 有权
    在不相容烯烃聚合催化剂体系之间转化的方法

    公开(公告)号：US08481658B2

    公开(公告)日：2013-07-09

    申请号：US13133803

    申请日：2009-12-17

    申请人： Gerhardus Meier ,  Shahram Mihan

    发明人： Gerhardus Meier ,  Shahram Mihan

    IPC分类号： C08F255/00 ,  C08F4/64 ,  C08F2/34 ,  C08F4/24

    CPC分类号： C08F210/16 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F10/00 ,  C08F2410/05 ,  C08F4/69 ,  C08F4/642 ,  C08F2/34 ,  C08F2/42 ,  C08F210/08 ,  C08F210/14 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/07 ,  C08F4/7042 ,  C08F4/61904

    摘要： A method for transitioning from a Ziegler-Natta to a Phillips catalyst system for the olefin polymerization reaction in one reactor, preferably a gas phase reactor, is described. The method comprises the steps of a) discontinuing a first olefin polymerization reaction performed in the presence of the Ziegler-Natta catalyst system; b) performing a second olefin polymerization reaction in the presence of a further catalyst system comprising catalyst components (A) and (B) producing, respectively, a first and a second polyolefin fraction, wherein the Mw of the first polyolefin fraction is less than the Mw of the second polyolefin fraction and the initial activity of catalyst component (A) exceeds the initial activity of catalyst component (B); and c) performing a third olefin polymerization reaction the presence of the Phillips catalyst system. Thanks to this method, there is no need to empty the reactor after each olefin polymerization reaction, and the transitioning time needed to attain the desired quality of the polyolefin obtained in each olefin polymerization reaction subsequent to the first one is sufficiently short to permit a quick and reliable change of production.

    摘要翻译： 描述了在一个反应​​器，优选气相反应器中从齐格勒 - 纳塔过渡到用于烯烃聚合反应的菲利普斯催化剂体系的方法。 该方法包括以下步骤：a）停止在齐格勒 - 纳塔催化剂体系存在下进行的第一种烯烃聚合反应; b）在另外的催化剂体系存在下进行第二烯烃聚合反应，所述催化剂体系包含分别产生第一和第二聚烯烃部分的催化剂组分（A）和（B），其中第一聚烯烃部分的Mw小于 第二聚烯烃级分的Mw和催化剂组分（A）的初始活性超过催化剂组分（B）的初始活性; 和c）进行第三烯烃聚合反应的存在的菲利浦催化剂体系。 由于这种方法，在每个烯烃聚合反应之后不需要清空反应器，并且在第一个烯烃聚合反应之后获得的每个烯烃聚合反应中获得的聚烯烃所需的质量所需的转化时间足够短以允许快速 可靠的生产变更。

    Organometallic transition metal compound, catalyst system and preparation of polyolefins
    4.
    发明授权
    Organometallic transition metal compound, catalyst system and preparation of polyolefins 有权
    有机金属过渡金属化合物，催化剂体系和聚烯烃的制备

    公开(公告)号：US08471050B2

    公开(公告)日：2013-06-25

    申请号：US13381327

    申请日：2010-07-20

    申请人： Fabiana Fantinel ,  Ilya Nifant'ev ,  Shahram Mihan

    发明人： Fabiana Fantinel ,  Ilya Nifant'ev ,  Shahram Mihan

    IPC分类号： C08F4/653 ,  C08F4/6592 ,  C08F4/642 ,  B01J31/22

    CPC分类号： C08F10/00 ,  C07F17/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/61904 ,  C08F4/7042 ,  C08F4/65925

    摘要： The present invention relates to non-symmetrical organometallic transition metal compounds of the compound of the formula (I) where R8 and R9 are identical or different and each an substituted or unsubstituted organic radical having from 1 to 40 carbon atoms, catalyst systems comprising at least one of the organometallic transition metal compounds of the present invention and a process for preparing polyolefins by polymerization or copolymerization of at least one olefin in the presence of one of the catalyst systems of the present invention.

    摘要翻译： 本发明涉及式（I）化合物的不对称有机金属过渡金属化合物，其中R 8和R 9相同或不同，各自为具有1至40个碳原子的取代或未取代的有机基团，催化剂体系至少包含 本发明的有机金属过渡金属化合物之一和通过在本发明的催化剂体系之一中存在下通过至少一种烯烃聚合或共聚制备聚烯烃的方法。

    Polyethylene Copolymers
    7.
    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）。

    Polyethylene and catalyst composition for its preparation
    10.
    发明授权
    Polyethylene and catalyst composition for its preparation 有权
    聚乙烯和催化剂组合物的制备

    公开(公告)号：US07767613B2

    公开(公告)日：2010-08-03

    申请号：US11578753

    申请日：2005-04-25

    申请人： Shahram Mihan

    发明人： Shahram Mihan

    IPC分类号： C08F4/06

    CPC分类号： C08F10/02 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F210/02 ,  C08F210/16 ,  Y10T428/1345 ,  C08F4/61904 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/10 ,  C08F4/7042 ,  C08F220/10 ,  C08F2500/19 ,  C08F2500/20 ,  C08F2500/26

    摘要： Polyethylene which comprises ethylene homopolymers and copolymers of ethylene with α-olefins and has a molar mass distribution width Mw/Mn of from 6 to 100, a density of from 0.89 to 0.97 g/cm3, a weight average molar mass Mw of from 5000 g/mol to 700,000 g/mol and has from 0.01 to 20 branches/1000 carbon atoms and at least 0.5 vinyl groups/1000 carbon atoms, wherein the 5-50% by weight of the polyethylene having the lowest molar masses have a degree of branching of less than 10 branches/1000 carbon atoms and the 5-50% by weight of the polyethylene having the highest molar masses have a degree of branching of more than 2 branches/1000 carbon atoms, a process for its preparation, catalysts suitable for its preparation and also fibers, moldings, films or polymer blends in which this polyethylene is present.

    摘要翻译： 聚乙烯，其包含乙烯均聚物和乙烯与α-烯烃的共聚物，其摩尔质量分布宽度Mw / Mn为6至100，密度为0.89至0.97g / cm 3，重均摩尔质量Mw为5000g / mol至700,000g / mol，具有0.01至20个支链/ 1000个碳原子和至少0.5个乙烯基/ 1000个碳原子，其中5-50重量％的具有最低摩尔质量的聚乙烯具有支化度 小于10个支链/ 1000个碳原子，5-50重量％的具有最高摩尔质量的聚乙烯具有多于2个分支/ 1000个碳原子的支化度，其制备方法，适用于其的催化剂 制剂以及其中存在该聚乙烯的纤维，模制品，膜或聚合物共混物。