会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • METHOD FOR ETHYLENE POLYMERIZATION IN A TUBULAR REACTOR WITH REDUCED OUTPUT
    • 在具有减少输出的管状反应器中乙烯聚合的方法
    • WO2010081685A1
    • 2010-07-22
    • PCT/EP2010/000142
    • 2010-01-14
    • BASELL POLYOLEFINE GMBHLITTMANN, DieterFINETTE, Andre-ArmandMEINKE, Hans, Joachim
    • LITTMANN, DieterFINETTE, Andre-ArmandMEINKE, Hans, Joachim
    • C08F10/02
    • B01J19/2415B01J4/008C08F10/02C08F2/38C08F4/38C08F2/00
    • Process for the preparation of ethylene homopolymers or copolymers in the presence of free-radical polymerization initiators at from 100°C to 350°C and pressures in the range of from 160 MPa to 350 MPa in a tubular reactor with at least two spatially separated initiator injection points, wherein injecting initiator rises the temperature of the reaction mixture in the reaction zone following the injection point, and the first initiator injection point of the tubular reactor is not provided with initiator or is provided with so little initiator that the temperature of the reaction mixture does not rise more than 20°C in the first reaction zone and method for reducing the output of a high pressure tubular reactor for the homo- or copolymerization of ethylene in the presence of free-radical polymerization initiators with at least two initiator injection points, wherein feeding of free-radical polymerization initiator to the first initiator injection point is discontinued or reduced to a level that the temperature of the reaction mixture in the first reaction zone does not rise more than 20°C.
    • 在具有至少两个空间分离的引发剂的管式反应器中,在100℃至350℃的自由基聚合引发剂存在下制备乙烯均聚物或共聚物的方法,并且在160MPa至350MPa范围内的压力 注射点,其中注射引发剂在注射点之后升高反应区域中的反应混合物的温度,并且管式反应器的第一引发剂注入点不具有引发剂,或者设置有少量引发剂,使得反应温度 混合物在第一反应区域中不会升高超过20℃,并且在自由基聚合引发剂与至少两个引发剂注入点存在下,降低高压管式反应器的输出以均衡或共聚乙烯的方法 其中将自由基聚合引发剂进料至第一引发剂注入点停止或还原成a 使得第一反应区中的反应混合物的温度不升高超过20℃。
    • 8. 发明申请
    • PROCESS FOR SEPARATING COMPONENTS OF A REACTION MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS
    • 用于分离由乙烯基不饱和单体的高压聚合获得的反应混合物组分的方法
    • WO2015082565A1
    • 2015-06-11
    • PCT/EP2014/076460
    • 2014-12-03
    • BASELL POLYOLEFINE GMBH
    • GROOS, GeorgNEUMANN, ErichDEUERLING, MichaelLITTMANN, Dieter
    • C08F6/10C08F6/12C08J11/02C08F10/00C08F6/00
    • C08F6/12C08F2/01C08F2/02C08F2/34C08F6/001C08F6/10C08J11/02Y02P20/582C08L23/04C08F10/02C08F2/00C08F110/02C08F210/16C08F2500/08
    • Process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, the process comprising the steps of entering the reaction mixture into a separation vessel; separating the reaction mixture into in a gaseous fraction and a liquid fraction; and withdrawing the gaseous fraction from the top of the separation vessel and withdrawing the liquid fraction from the bottom of the separation vessel, wherein the separation is carried out at a pressure of from 15 MPa to 50 MPa and a temperature of from 120°C to 300°C; the separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 4 to 10 and is equipped with an inlet pipe for introducing the reaction mixture into the separation vessel; the inlet pipe extends vertically from the top into the separation vessel; and the ratio of the inner diameter of the inlet pipe at its lower end and the inner diameter of the separating vessel in its cylindrical part is in the range of from 0.2 to 0.4 and process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100°C to 350°C and pressures in the range of from 110 MPa to 500 MPa in a polymerization reactor comprising a such process for separating polymeric and gaseous components.
    • 在自由基聚合引发剂存在下,通过烯属不饱和单体的高压聚合获得的反应混合物的聚合物和气态组分的分离方法,该方法包括以下步骤:将反应混合物进入分离容器; 将反应混合物分离成气态馏分和液体馏分; 并从分离容器的顶部取出气体馏分并从分离容器的底部排出液体部分,其中分离在15MPa至50MPa的压力和120℃至120℃的温度下进行 300℃; 分离容器具有垂直排列的圆柱形,长度与直径L / D之比为4至10,并具有用于将反应混合物引入分离容器的入口管; 入口管从顶部垂直延伸到分离容器中; 并且其下端的入口管的内径与其圆柱形部分中的分离容器的内径的比率在0.2至0.4的范围内以及在烯属不饱和单体中制备乙烯均聚物或共聚物的方法 在聚合反应器中存在自由基聚合引发剂,其温度为100℃至350℃,压力范围为110MPa至500MPa,包括用于分离聚合物和气态组分的方法。