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US4202958A Process for the preparation of polyolefins using a reduced vanadium halide catalyst 失效
使用还原的卤化钒催化剂制备聚烯烃的方法

Process for the preparation of polyolefins using a reduced vanadium halide catalyst
摘要：
A process for the preparation of polyolefins, polymerizing olefins with use of a solid catalyst separated from a reaction mixture which is obtained by reducing a halogen-containing compound of vanadium with an organic aluminum compound in the presence of an ether and an organic aluminum compound.
摘要（中）：

一种制备聚烯烃的方法，使用从反应混合物中分离的固体催化剂聚合烯烃，所述反应混合物是通过在有机铝化合物存在下用有机铝化合物还原含钒化合物而获得的。

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