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    • 5. 发明申请
    • Preparation of supported catalysts for polymerization
    • 负载聚合催化剂的制备
    • US20070179051A1
    • 2007-08-02
    • US10588391
    • 2005-02-02
    • Shahram MihanJoachim Wulff-DoringAlexander KopplWolfgang Rohde
    • Shahram MihanJoachim Wulff-DoringAlexander KopplWolfgang Rohde
    • C08F2/00B01J23/00
    • C08F210/16C08F4/65912C08F4/65925C08F10/00C08F4/025C08F4/24C08F4/65916C08F210/14C08F2500/12C08F2500/17C08F2500/18C08F2500/24C08F4/22C08F4/78
    • The invention relates to a process for preparing a supported catalyst, in particular for the polymerization and/or copolymerization of olefins, which comprises: a) preparing a hydrogel; b) milling the hydrogel to give a finely particulate hydrogel; c) producing a slurry based on the finely particulate hydrogel; d) drying the slurry comprising the finely particulate hydrogel to give the support for catalysts; e) producing the supported catalyst by applying at least one transition metal and/or at least one transition metal compound to the support for catalysts and, if appropriate, activating the applied metal and/or compound, wherein a finely particulate hydrogel in which at least 5% by volume of the particles, based on the total volume of the particles, have a particle size in the range from >0 μm to ≦3 μm; and/or at least 40% by volume of the particles, based on the total volume of the particles, have a particle size in the range from >0 μm to ≦12 μm, and/or at least 75% by volume of the particles, based on the total volume of the particles, have a particle size in the range from >0 μm to ≦35 μm, is produced in step b) and a support which can be prepared as set forth in steps a) to d) is used to produce catalysts in step e).
    • 本发明涉及一种制备负载型催化剂的方法,特别是用于烯烃的聚合和/或共聚合,其包括:a)制备水凝胶; b)研磨水凝胶以得到细颗粒水凝胶; c)基于细颗粒水凝胶生产浆料; d)干燥包含细颗粒状水凝胶的浆料,得到催化剂载体; e)通过将至少一种过渡金属和/或至少一种过渡金属化合物施加到催化剂的载体上,并且如果合适地活化所施加的金属和/或化合物,制备负载型催化剂,其中至少 基于颗粒的总体积,5体积%的颗粒具有在>0μm至<3μm的范围内的粒度; 和/或至少40体积%的颗粒,基于颗粒的总体积,其粒度范围为>0μm至≤12μm,和/或至少75体积% 基于颗粒的总体积的颗粒具有在>0μm至<=35μm的范围内的粒度,在步骤b)中制备,并且可以如步骤a)至d所述制备的载体 )用于在步骤e)中制备催化剂。
    • 10. 发明申请
    • Polymerization process in the presence of an antistatic agent
    • 在抗静电剂存在下的聚合过程
    • US20120283369A1
    • 2012-11-08
    • US13514968
    • 2010-12-16
    • Lars KoellingShahram MihanGerhardus Meier
    • Lars KoellingShahram MihanGerhardus Meier
    • C08L81/06C08K5/42
    • C08F10/00C08F110/02C08F2/005C08F2500/12C08F2500/04
    • Process for the polymerization of olefins at temperatures of from −20 to 200° C. and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst and an antistatic agent, wherein the antistatic agent is an antistatically acting composition comprising a polysulfone copolymer, a polymeric compound comprising basic nitrogen atoms, an oil-soluble sulfonic acid and optionally a solvent and the polysulfone copolymer, the polymeric compound comprising basic nitrogen atoms and the oil-soluble sulfonic acid constitute together at least 1 wt. % of the antistatically acting composition, and wherein the antistatically acting composition, when contacted as solution or suspension in heptane, wherein the solution or suspension has a concentration of about 80 g of the antistatically acting composition per liter of heptane, with a 2 M solution of triethylaluminum in heptane at 0° C., generates less than 5 cm3, measured at 23° C. and atmospheric pressure, of ethane per gram of the antistatically acting composition and use of an antistatically acting composition as antistatic agent for the polymerization of olefins at temperatures of from −20 to 200° C. and pressures of from 0.1 to 20 MPa in the presence of a polymerization catalyst.
    • 在聚合催化剂和抗静电剂存在下,在-20至200℃的温度和0.1至20MPa的压力下烯烃的聚合方法,其中抗静电剂是包含聚砜共聚物 ,包含碱性氮原子的聚合化合物,油溶性磺酸和任选的溶剂和聚砜共聚物,包含碱性氮原子的聚合化合物和油溶性磺酸一起构成至少1重量% %的抗静电作用组合物,并且其中所述抗静电作用组合物当作为溶液或悬浮液在庚烷中接触时,其中所述溶液或悬浮液的浓度为每升庚烷约80g抗静电作用组合物,与2M溶液 的三乙基铝在庚烷中在0℃下产生小于5cm 3,在23℃和大气压下测量每克抗静电作用组合物的乙烷和抗静电作用组合物的用作抗静电剂用于烯烃聚合 在-20至200℃的温度和0.1至20MPa的压力下,在聚合催化剂存在下进行。