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公开(公告)号:US20080045676A1
公开(公告)日:2008-02-21
申请号:US11975053
申请日:2007-10-17
申请人: Robert Hagerty , Kevin Stavens , Marc DeChells , D. Fischbuch , James Farley
发明人: Robert Hagerty , Kevin Stavens , Marc DeChells , D. Fischbuch , James Farley
IPC分类号: C08F4/76
CPC分类号: C08F210/16 , Y10S526/901 , C08F2/34 , C08F2/005 , C08F210/14 , C08F2500/12
摘要: The present invention relates to a continuous gas phase process comprising polymerizing one or more hydrocarbon monomer(s) in a fluidized bed reactor in the presence of a Ziegler-Natta-type catalyst system and a condensable fluid for a period of at least 12 hours where the bed temperature is less than the Critical Temperature and the dew point temperature of the gas composition in the reactor is within 25° C. of the bed temperature.
摘要翻译: 本发明涉及连续气相方法,其包括在齐格勒 - 纳塔型催化剂体系和可冷凝流体存在下在流化床反应器中聚合一种或多种烃单体至少12小时的时间, 床温低于临界温度,反应器中气体组成的露点温度在床温25℃以内。