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    • 6. 发明授权
    • Hindered polyalicyclic alkyl catalysts and their use in a gas-phase polymerization reactor
    • 受阻的多环脂族烷基催化剂及其在气相聚合反应器中的应用
    • US07816296B2
    • 2010-10-19
    • US12690606
    • 2010-01-20
    • Maria A. ApecetcheJohn MoorhouseMark G. GoodeRonald S. EisingerKevin J. Cann
    • Maria A. ApecetcheJohn MoorhouseMark G. GoodeRonald S. EisingerKevin J. Cann
    • C08F4/69C08F4/622B01J31/12
    • C08F10/00C08F10/02C08F110/02C08F210/16C08F4/69C08F4/22C08F2500/12C08F2500/18C08F210/14C08F4/025
    • Embodiments of the present invention include a method of polymerizing olefins comprising contacting olefins with a catalyst composition made by the process of combining a hindered polyalicyclic alkyl catalyst precursor with a particulate inorganic oxide for a deposition time greater than 2 hours to form a catalyst composition. Embodiments of the present invention also include catalyst compositions comprising a hindered polyalicyclic alkyl catalyst precursor made by the process of combining the hindered polyalicyclic alkyl catalyst precursor with a particulate inorganic oxide for a deposition time greater than 2 hours to form the catalyst composition. In one embodiment, the hindered polyalicyclic alkyl catalyst precursor is formed by first combining an acid, a compound having the formula RX, and a metal oxide selected from the group consisting of Group 3 to Group 10 oxide compounds to produce a catalyst precursor; characterized in that R is selected from the group consisting of hindered polyalicyclic alkyls, and substituted derivatives thereof, and X is selected from the group consisting of any suitable leaving group.
    • 本发明的实施方案包括使烯烃聚合的方法,其包括使烯烃与通过将受阻多环脂族烷基催化剂前体与颗粒无机氧化物结合沉积时间大于2小时的方法制备的催化剂组合物形成催化剂组合物。 本发明的实施方案还包括催化剂组合物,其包含通过将受阻多环脂族烷基催化剂前体与颗粒无机氧化物结合沉积时间大于2小时的方法制备的受阻多环脂族烷基催化剂前体,以形成催化剂组合物。 在一个实施方案中,受阻多环脂族烷基催化剂前体通过首先组合酸,具有式RX的化合物和选自第3族至第10族氧化物化合物的金属氧化物以形成催化剂前体而形成; 其特征在于R选自受阻多环脂族烷基及其取代衍生物,X选自任何合适的离去基团。