Method for polymerizing &agr;-olefins in a gaseous phase
    6.
    发明授权
    Method for polymerizing &agr;-olefins in a gaseous phase 失效
    在气相中聚合α-烯烃的方法

    公开(公告)号:US06469111B1

    公开(公告)日:2002-10-22

    申请号:US09402894

    申请日:1999-10-13

    IPC分类号: C08F234

    摘要: &agr;-Olefins are polymerized in the gas phase at from 30 to 150° C. and a pressure of from 5 to 80 bar using a catalyst or a catalyst mixture containing as antistatic agent from 0.1 to 5% by weight of ZnO and/or anhydrous MgO, based on the total amount of the catalyst mixture, except for a process in which the catalyst mixture comprises a chromium catalyst and MgO-supported Ziegler catalyst which is modified with an alkene and with alkylaluminum hydride and also comprises free MgO and the total amount of the MgO is not less than 2% by weight of the catalyst mixture.

    摘要翻译: 使用催化剂或含有0.1至5重量%的ZnO和/或无水MgO的抗静电剂的催化剂混合物,将α-烯烃在气相中在30至150℃和5至80巴的压力下聚合 基于催化剂混合物的总量,除了催化剂混合物包含铬催化剂和用烯烃和烷基氢化铝改性的MgO负载的齐格勒催化剂的方法外,还包括游离MgO和总量 MgO不小于催化剂混合物的2重量%