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    Process for producing improved random propylene copolymers
    2.
    发明授权
    Process for producing improved random propylene copolymers 失效
    制备改进的无规丙烯共聚物的方法

    公开(公告)号：US6013742A

    公开(公告)日：2000-01-11

    申请号：US969278

    申请日：1997-11-13

    申请人： Stephan Huffer ,  Meinolf Kersting ,  Franz Langhauser ,  Rainer Alexander Werner ,  Patrik Muller ,  Jurgen Kerth

    发明人： Stephan Huffer ,  Meinolf Kersting ,  Franz Langhauser ,  Rainer Alexander Werner ,  Patrik Muller ,  Jurgen Kerth

    IPC分类号： C08F4/658 ,  C08F4/02 ,  C08F4/64 ,  C08F4/654 ,  C08F210/06 ,  C08F210/16 ,  D01F6/06 ,  C08F4/18

    CPC分类号： C08F210/16 ,  C08F210/06

    摘要： A process for preparing random propylene copolymers containing copolymerized C.sub.2 -C.sub.10 -alk-1-enes by polymerization of propylene and C.sub.2 -C.sub.10 -alk-1-enes in the presence of a Ziegler-Natta catalyst system comprising a titanium-containing solid component a) comprising a compound of magnesium, a halogen, silica gel as support and a carboxylic ester as electron donor compound, and also, as cocatalysts, an aluminum compound b) and a further electron donor compound c), where propylene and the C.sub.2 -C.sub.10 -alk-1-enes are polymerized with one another at from 50 to 100.degree. C. at pressures in the range from 15 to 40 bar and mean residence times of from 0.5 to 5 hours and the support used in the titanium-containing solid component is a silica gel which has a mean particle diameter of from 5 to 200 .mu.m, a mean particle diameter of the primary particles of from 1 to 10 .mu.m and voids or channels having a mean diameter of from 1 to 10 .mu.m, which voids or channels have a macroscopic proportion by volume based on the total particle in the range from 5 to 20%.

    摘要翻译： 在含有含钛固体组分a的齐格勒 - 纳塔催化剂体系存在下，通过丙烯和C 2 -C 10 - 烷-1-烯的聚合制备含共聚的C 2 -C 10 - 烷-1-烯的无规丙烯共聚物的方法 ），其包含镁，卤素，硅胶作为载体的化合物和作为电子给体化合物的羧酸酯，以及作为助催化剂的铝化合物b）和另外的电子给体化合物c），其中丙烯和C 2 -C 10 α-烷-1-烯在50至100℃下以15至40巴的压力和0.5至5小时的平均停留时间彼此聚合，并且在含钛固体组分中使用的载体 是平均粒径为5〜200μm，一次粒子的平均粒径为1〜10μm，平均粒径为1〜10μm的通道的硅胶，其中， 空隙或通道具有基于体积的宏观比例 总颗粒在5至20％的范围内。

    Random propylene copolymers
    4.
    发明授权
    Random propylene copolymers 失效
    无规丙烯共聚物

    公开(公告)号：US5744567A

    公开(公告)日：1998-04-28

    申请号：US763839

    申请日：1996-12-04

    申请人： Stephan Huffer ,  Meinolf Kersting ,  Franz Langhauser ,  Rainer Alexander Werner ,  Patrik Muller ,  Jurgen Kerth

    发明人： Stephan Huffer ,  Meinolf Kersting ,  Franz Langhauser ,  Rainer Alexander Werner ,  Patrik Muller ,  Jurgen Kerth

    IPC分类号： C08F4/658 ,  C08F4/02 ,  C08F4/64 ,  C08F4/654 ,  C08F210/06 ,  C08F210/16 ,  D01F6/06 ,  C08F10/06

    CPC分类号： C08F210/16 ,  C08F210/06

    摘要： Random propylene copolymers containing copolymerized C.sub.2 -C.sub.10 -alk-1-enes are obtainable by polymerization of propylene and C.sub.2 -C.sub.10 -alk-1-enes in the presence of a Ziegler-Natta catalyst system comprising a titanium-containing solid component a) comprising a compound of magnesium, a halogen, silica gel as support and a carboxylic ester as electron donor compound, and also, as cocatalysts, an aluminum compound b) and a further electron donor compound c), where propylene and the C.sub.2 -C.sub.10 -alk-1-enes are polymerized with one another at from 50.degree. to 100.degree. C. at pressures in the range from 15 to 40 bar and mean residence times of from 0.5 to 5 hours and the support used in the titanium-containing solid component is a silica gel which has a mean particle diameter of from 5 to 200 .mu.m, a mean particle diameter of the primary particles of from 1 to 10 .mu.m and voids or channels having a mean diameter of from 1 to 10 .mu.m, which voids or channels have a macroscopic proportion by volume based on the total particle in the range from 5 to 20%.

    摘要翻译： 含有共聚的C 2 -C 10 - 烷-1-烯的无规丙烯共聚物可通过丙烯和C 2 -C 10 - 烯-1-烯的齐聚反应获得，该齐格勒 - 纳塔催化剂体系包含含钛的固体组分a） 镁，卤素，硅胶作为载体的化合物和作为电子给体化合物的羧酸酯，以及作为助催化剂的铝化合物b）和另外的电子给体化合物c），其中丙烯和C 2 -C 10 - 烷基 -1-烯烃在50至100℃的压力下彼此聚合，并且平均停留时间为0.5至5小时，并且在含钛固体组分中使用的载体为 平均粒径为5〜200μm，一次粒子的平均粒径为1〜10μm，平均粒径为1〜10μm的空隙或通道的硅胶，其空隙 或通道基于t的体积的宏观比例 他的总粒子在5〜20％的范围内。

    Propylene polymers
    5.
    发明授权
    Propylene polymers 失效
    丙烯聚合物

    公开(公告)号：US5773516A

    公开(公告)日：1998-06-30

    申请号：US761341

    申请日：1996-12-06

    申请人： Stephan Huffer ,  Meinolf Kersting ,  Franz Langhauser ,  Rainer Alexander Werner ,  Stefan Seelert ,  Patrik Muller ,  Jurgen Kerth

    发明人： Stephan Huffer ,  Meinolf Kersting ,  Franz Langhauser ,  Rainer Alexander Werner ,  Stefan Seelert ,  Patrik Muller ,  Jurgen Kerth

    IPC分类号： C08F4/64 ,  C08F210/06 ,  C08F297/08 ,  C08F10/00

    CPC分类号： C08F297/083 ,  C08F210/06

    摘要： Propylene polymers which comprise from 25 to 97% by weight of a propylene polymer (I) containing from 0 to 15% by weight of copolymerized C.sub.2 -C.sub.10 -alk-1-enes and also comprise from 3 to 75% by weight of a further propylene polymer (II) containing from 15 to 80% by weight of copolymerized C.sub.2 -C.sub.10 -alk-1-enes, are obtainable by two-stage polymerization of propylene and C.sub.2 -C.sub.10 -alk-1-enes in the presence of a Ziegler-Natta catalyst system which comprises a titanium-containing solid component a) comprising a compound of magnesium, a halogen, silica gel as support and a carboxylic ester as electron donor compound, and also as cocatalysts an aluminum compound b) and a further electron donor compound c), where, in a first polymerization stage, propylene is polymerized in the presence or absence of further C.sub.2 -C.sub.10 -alk-1-enes at from 50.degree. to 100.degree. C., pressures in the range from 15 to 40 bar and a mean residence time of from 0.5 to 5 hours and subsequently, in a second polymerization stage, a mixture of propylene and further C.sub.2 -C.sub.10 -alk-1-enes is polymerized at from 30.degree. to 100.degree. C., pressures in the range from 15 to 40 bar and mean residence times of from 0.5 to 5 hours onto the propylene polymer obtained from the first polymerization stage, and the silica gel used as support for the titanium-containing solid component has a mean particle diameter of from 5 to 200 .mu.m, a mean particle diameter of the primary particles of from 1 to 10 .mu.m and voids or channels having a mean diameter of from 1 to 10 .mu.m, which voids or channels have a macroscopic volume as a proportion of the total particle in the range from 5 to 20%.

    摘要翻译： 丙烯聚合物，其包含25至97重量％的含有0至15重量％的共聚的C 2 -C 10 - 烷-1-烯的丙烯聚合物（I），并且还包含3至75重量％的另外 含有15-80％（重量）共聚的C 2 -C 10 - 烷-1-烯的丙烯聚合物（II）可以通过在齐格勒（Ziegler）存在下丙烯和C 2 -C 10 - 烷-1-烯的两步聚合来获得 -Natta催化剂体系，其包含含钛固体组分a），其包含镁，卤素，硅胶作为载体的化合物和作为电子给体化合物的羧酸酯，以及作为助催化剂的铝化合物b）和另外的电子给体 化合物c），其中在第一聚合阶段，丙烯在存在或不存在另外的C 2 -C 10 - 烷-1-烯的情况下在50至100℃下聚合，压力为15至40巴 平均停留时间为0.5至5小时，随后在第二聚合阶段中混合 丙烯和其他C 2 -C 10 - 烷-1-烯的反应在30℃至100℃下聚合，压力为15至40巴，平均停留时间为0.5至5小时，得到所得丙烯聚合物 从第一聚合阶段，用作含钛固体成分的载体的硅胶的平均粒径为5〜200μm，一次粒子的平均粒径为1〜10μm，空隙 或平均直径为1至10μm的通道，该空隙或通道的宏观体积占总颗粒的比例在5至20％的范围内。