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    • 9. 发明申请
    • PROCESS FOR CONTROLLING IONIC LIQUID CATALYST ACTIVITY BY TITRATION
    • 控制离子液体催化剂活性的方法
    • US20110183423A1
    • 2011-07-28
    • US13008662
    • 2011-01-18
    • Hye Kyung TimkenAnnie T. Pathiparampil
    • Hye Kyung TimkenAnnie T. Pathiparampil
    • G01N31/16
    • G01N31/10B01J27/06B01J27/125B01J31/00B01J31/0284B01J31/40C07C2/58C10G11/02C10G29/06C10G29/205C10G50/00G01N31/16Y02P20/584Y10T436/145555C07C9/16
    • A process for determining ionic liquid catalyst deactivation including (a) collecting at least one sample of an ionic liquid catalyst; (b) hydrolyzing the at least one sample to provide at least one hydrolyzed sample; (c) titrating the at least one hydrolyzed sample with a basic reagent to determine a volume of the basic reagent necessary to neutralize a Lewis acid species of the ionic liquid catalyst; and (d) calculating the acid content of the at least one sample from the volume of basic reagent determined in step (c) is described. Processes incorporating such a process for determining ionic liquid catalyst deactivation are also described. These processes are an alkylation process, a process for controlling ionic liquid catalyst activity in a reaction producing by-product conjunct polymers, and a continuous process for maintaining the acid content of an ionic liquid catalyst at a target acid content in a reaction producing by-product conjunct polymers.
    • 一种用于测定离子液体催化剂失活的方法,包括(a)收集至少一种离子液体催化剂样品; (b)水解所述至少一种样品以提供至少一种水解样品; (c)用碱性试剂滴定至少一种水解样品以确定中和离子液体催化剂的路易斯酸物质所需的碱性试剂的体积; 并且(d)描述从步骤(c)中确定的碱性试剂的体积计算至少一种样品的酸含量。 还描述了结合这种用于确定离子液体催化剂失活的方法的方法。 这些方法是烷基化方法,用于控制产生副产物结合聚合物的反应中的离子液体催化剂活性的方法,以及在反应生成副产物的反应中将离子液体催化剂的酸含量保持在目标酸含量的连续方法, 产品结合聚合物。