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    • 9. 发明申请
    • FAST ACTIVATING CATALYST
    • 快速活化催化剂
    • WO2009085100A2
    • 2009-07-09
    • PCT/US2008013497
    • 2008-12-09
    • CHEVRON PHILLIPS CHEMICAL CONEIL GEORGEBENHAM ELIZABETH ACYMBALUK TED HMCDANIEL MAX P
    • NEIL GEORGEBENHAM ELIZABETH ACYMBALUK TED HMCDANIEL MAX P
    • C08F10/00C08F4/02C08F4/69
    • C08F10/00B01J21/08B01J23/26B01J35/1019B01J35/1047B01J35/1061B01J37/0207B01J37/036B01J37/06C08F110/02C08F4/025C08F4/78C08F2500/09C08F2500/12C08F2500/17C08F2500/07
    • A method of preparing a catalyst comprising aging a silica support in an alkaline solution to produce an alkaline aged silica support, removing at least a portion of the alkaline solution from the alkaline aged silica support to produce a dried silica support, and activating the silica support to produce a catalyst composition, wherein alkaline aging lowers the surface area of the silica support to less than about 50% of the original value and wherein activation of the silica support is carried out in batches of equal to or greater than about 500 lbs for a time period of less than about 8 hours. A method of preparing a polymer comprising alkaline aging a silica support material, adding chromium to the silica support material prior to the alkaline aging, after the alkaline aging, or both to form a chromium-silica support, rapidly activating the chromium-silica support produce an activated olefin polymerization catalyst, contacting the activated olefin polymerization catalyst with at least one monomer in a reaction zone under conditions suitable to produce a polymer, and recovering the polymer
    • 一种制备催化剂的方法,包括在碱性溶液中老化二氧化硅载体以产生碱性老化二氧化硅载体,从碱性老化二氧化硅载体除去至少一部分碱性溶液以产生干燥二氧化硅载体,并活化二氧化硅载体 以产生催化剂组合物,其中碱性老化将二氧化硅载体的表面积降低到小于原始值的约50%,并且其中二氧化硅载体的活化以等于或大于约500lb的批次进行,用于 时间段少于约8小时。 一种制备聚合物的方法,其包括使二氧化硅载体材料碱性老化,在碱性老化之前,碱性老化之后向二氧化硅载体材料中加入铬,或两者形成铬二氧化硅载体,快速活化铬 - 二氧化硅载体产物 活化烯烃聚合催化剂,在适合于生产聚合物的条件下,在反应区中使活化烯烃聚合催化剂与至少一种单体接触,并回收聚合物