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    • 1. 发明申请
    • REGULATION OF THE CONTINUOUS ETHYLENE POLYMERIZATION PROCESS IN A HIGH-PRESSURE REACTOR
    • 高压反应器中连续乙烯聚合工艺的调控
    • WO2004078800A1
    • 2004-09-16
    • PCT/EP2004/002111
    • 2004-03-03
    • BASELL POLYOLEFINE GMBHMÄHLING, Frank, OlafSCHMIDT, Christian-UlrichALTMANN-DIESES, AngelikaDAISS, Andreas
    • MÄHLING, Frank, OlafSCHMIDT, Christian-UlrichALTMANN-DIESES, AngelikaDAISS, Andreas
    • C08F10/02
    • C08F10/02C08F110/02C08F4/34C08F2/00C08F2/001C08F2500/08C08F2500/12C08F2500/26
    • Method of regulating the process for the continuous free-radical polymerization of ethylene in the presence or absence of comonomers in a tube reactor having at least one reaction zone (1, 2, 3, 4) at pressures above 1000 bar and temperatures in the range from 100 to 400°C, wherein a mixture of at least two polymerization initiators which have different reaction characteristics and provision costs, in particular purchase prices, is metered continuously into the tube reactor at the beginning of each reaction zone (1, 3, 3, 4), at least one physical parameter which as an influence on the polymerization initiator mixture to be used is measured at prescribed intervals in each reaction zone (, 2, 3, 4), the mixture of polymerization initiators which under the prevailing conditions of the physical parameter or parameters measured results in the minimum initiator costs for producing a prescribed amount of polymer product having prescribed product properties and ensures sage operation of the tube reactor is calculated in an optimizer for each reaction zone (1, 2, 3, 4) and, finally, the calculated amount and composition of the polymerization initiators is used as the basis for the further metered additions.
    • 在具有在1000巴以上的压力下具有至少一个反应区(1,2,3,4)的管式反应器中,在存在或不存在共聚单体的条件下,调节乙烯的连续自由基聚合的方法和温度范围 100-400℃,其中在每个反应区(1,3,3)的开始处将具有不同反应特性和提供成本,特别是购买价格的至少两种聚合引发剂的混合物连续地计量到管式反应器中 ,4)中,在每个反应区(2,3,4)中以规定的间隔测量作为对所使用的聚合引发剂混合物的影响的至少一种物理参数,聚合引发剂的混合物在当前条件下 测量的物理参数或参数导致生产规定量的具有规定产品特性的聚合物产品的最小起始剂成本,并确保 在每个反应区(1,2,3,4)的优化器中计算管式反应器,最后,将聚合引发剂的计算量和组成用作进一步计量添加的基础。