| 摘要 |
The invention concerns a catalyst combination for preparing linear isotactic polymers, wherein said catalyst combination contains a metal complex and an activator and a process for preparing linear, isotactic polymers which have a structure of which the tacticity varies within the range of between 25 and 60% of [mmmm] pentad concentration, an arbitrary or rather regular sequence of isotactic and atactic blocks being excluded, in which process a C2 to C20 olefin are reacted with the catalyst combination.
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