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    Highly crystalline propylene homopolymers
    4.
    发明授权
    Highly crystalline propylene homopolymers 失效
    高度结晶的丙烯均聚物

    公开(公告)号：US07022795B1

    公开(公告)日：2006-04-04

    申请号：US09041698

    申请日：1998-03-13

    申请人： Stephan Hüffer ,  Joachim Rösch ,  Stefan Seelert ,  Franz Langhauser ,  Dieter Lilge ,  Roland Hingmann ,  Günther Schweier

    发明人： Stephan Hüffer ,  Joachim Rösch ,  Stefan Seelert ,  Franz Langhauser ,  Dieter Lilge ,  Roland Hingmann ,  Günther Schweier

    IPC分类号： C08F110/06 ,  C08F4/646 ,  C08F4/649

    CPC分类号： C08F10/00 ,  C08F110/06 ,  C08F4/651 ,  C08F4/6546 ,  C08F2500/12

    摘要： Propylene homopolymers, wherein, in their separation according to tacticity by first dissolving the polymers in boiling xylene, then cooling the solution to 25° C. at a cooling rate of 10° C./h and then, with ascending temperature, separating the propylene homopolymers into fractions of different tacticity, either one or more of the conditions that i) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 112° C. is greater than 20% by weight or ii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 117° C. is greater than 8% by weight or iii) the fraction of propylene homopolymers which remains undissolved on heating the cooled propylene homopolymer solution to 122° C. is greater than 1% by weight, are satisfied.

    摘要翻译： 丙烯均聚物，其中通过首先将聚合物溶解在沸腾的二甲苯中，根据立构规整度的分离，然后以10℃/小时的冷却速率将溶液冷却至25℃，然后在升高温度下分离丙烯 将均聚物分成不同立构规整度的一个或多个条件，i）在将冷却的丙烯均聚物溶液加热至112℃时保持未溶解的丙烯均聚物的分数大于20重量％或ii） 在将冷却的丙烯均聚物溶液加热至117℃时保持未溶解的丙烯均聚物大于8重量％或iii）在将冷却的丙烯均聚物溶液加热至122℃时保持未溶解的丙烯均聚物的分数大于 1重量％。

    Catalyst systems of the Ziegler-Natta type
    6.
    发明授权
    Catalyst systems of the Ziegler-Natta type 失效
    齐格勒 - 纳塔型催化剂系统

    公开(公告)号：US06524995B2

    公开(公告)日：2003-02-25

    申请号：US09750715

    申请日：2001-01-02

    申请人： Wolf Spaether ,  Stephan Hüffer ,  John Lynch ,  Wolfgang Bidell ,  Joachim Rösch ,  Günther Schweier ,  Roland Hingmann ,  Alexandre Segul ,  Rainer Hemmerich ,  Ingo Treffkorn

    发明人： Wolf Spaether ,  Stephan Hüffer ,  John Lynch ,  Wolfgang Bidell ,  Joachim Rösch ,  Günther Schweier ,  Roland Hingmann ,  Alexandre Segul ,  Rainer Hemmerich ,  Ingo Treffkorn

    IPC分类号： B01J2302

    CPC分类号： C08F10/00 ,  C08F110/06 ,  C08F4/025 ,  C08F4/6546 ,  C08F2500/12 ,  C08F2500/24

    摘要： Catalyst systems of the Ziegler-Natta type comprise as active constituents a) a solid component comprising a compound of titanium or vanadium, a compound of magnesium, a particulate inorganic oxide as support and an internal electron donor compound, and as cocatalyst b) an aluminum compound and c) if desired, a further, external electron donor compound, wherein the particulate, inorganic oxide used has a specific surface area of from 350 to 1000 m2/g and a mean particle diameter {overscore (D)} in the range from 5 to 60 &mgr;m and comprises particles which are composed of primary particles having a mean particle diameter {overscore (d)} in the range from 1 to 10 &mgr;m and contain voids or channels between the primary particles, where the macroscopic proportion of voids or channels having a diameter of greater than 1 &mgr;m in the particles of the inorganic oxides is in the range from 5 to 30% by volume and the molar ratio of the compound of magnesium to the particulate, inorganic oxide is from 0.5:1 to 2.0:1.

    摘要翻译： 齐格勒 - 纳塔型的催化剂体系包括作为活性成分的a）包含钛或钒的化合物的固体组分，镁的化合物，作为载体的颗粒状无机氧化物和内部电子给体化合物，以及作为助催化剂）铝化合物和 ），其中所用的颗粒状无机氧化物的比表面积为350〜1000m2 / g，平均粒径（超芯（D在5〜60μm的范围内）和 包含由平均粒径（超芯（d在1-10μm范围内）并且在初级颗粒之间含有空隙或通道的初级颗粒组成的颗粒，其中空隙或通道的宏观比例具有大于1的直径 无机氧化物颗粒中的母体在5至30体积％的范围内，镁与颗粒的无机氧化物的摩尔比为0.5:1至 2.0：1。

    Ziegler-Natta catalyst systems modified during their preparation
    8.
    发明授权
    Ziegler-Natta catalyst systems modified during their preparation 失效
    齐格勒 - 纳塔催化剂体系在制备过程中改进

    公开(公告)号：US6107231A

    公开(公告)日：2000-08-22

    申请号：US928526

    申请日：1997-09-12

    申请人： Stephan Huffer ,  Ulrich Moll ,  Peter Kolle ,  Roland Hingmann

    发明人： Stephan Huffer ,  Ulrich Moll ,  Peter Kolle ,  Roland Hingmann

    IPC分类号： C08F4/642 ,  C08F4/646 ,  C08F4/654 ,  C08F10/00 ,  C08F110/06 ,  B01J38/56

    CPC分类号： C08F10/00 ,  C08F110/06

    摘要： In catalyst systems of the Ziegler-Natta type comprising as active constituentsa) a titanium-containing solid component which is obtained by reacting a compound of titanium with a compound of magnesium, a halogen, an inorganic oxide as support, a C.sub.1 -C.sub.8 -alkanol and a carboxylic ester as electron donor compound,and also as cocatalyst,b) an aluminum compound andc) if desired, a further electron donor compound,the reaction of the individual components for preparing the titanium-containing solid component a) is carried out in the presence of an aromatic hydrocarbon as solvent.

    摘要翻译： 在包含作为活性成分的齐格勒 - 纳塔型催化剂体系中，a）通过使钛化合物与镁，卤素，作为载体的无机氧化物，C1-C8- 链烷醇和羧酸酯作为电子给体化合物，以及作为助催化剂，b）铝化合物和c）如果需要，还可以进一步施加电子给体化合物，用于制备含钛固体组分a）的各组分的反应 在芳族烃作为溶剂的存在下。