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    • 2. 发明授权
    • Process for the preparation of a magnesium halide supported metallocene
catalyst
    • 制备卤化镁负载金属茂催化剂的方法
    • US5962360A
    • 1999-10-05
    • US856191
    • 1997-05-14
    • Swaminathan SivaramSoumen Sensarma
    • Swaminathan SivaramSoumen Sensarma
    • B01J31/22C08F4/02C08F4/60C08F4/619C08F4/6192C08F4/654C08F10/00B01J31/00B01J37/00
    • B01J31/1616B01J31/2295B01J31/26C08F10/00B01J2531/30B01J2531/35B01J2531/40B01J2531/46B01J2531/48B01J2531/49B01J2531/50B01J2531/56B01J2531/60C08F4/61912C08F4/61925
    • The present invention is directed to a process for the preparation of a solid magnesium halide supported metallocene catalyst having a transition metal selected from the group consisting of IIIB, IVB, VB and VIB of the periodic table, which comprises preparing a slurry of magnesium metal in an electron donor solvent; heating the slurry of magnesium metal to 0.degree. C. to 50.degree. C. for a period of 10 minutes to 4 hr.; adding a dihaloalkane compound to said slurry to obtain a homogeneous solution of a support (solution A); separately preparing a solution of a metallocene compound in the same electron donor solvent as solution A (solution B); heating the solution B to 0.degree. C. to 50.degree. C. for a period ranging between 10 minutes and 1 hr., adding solution B to solution A over a period ranging between 10 minutes to 2 hrs. while maintaining the temperature in the range of 0 to 50.degree. C. to obtain a homogeneous solution; cooling the resultant homogeneous solution to room temperature under an inert atmosphere; pouring the reaction mixture into a liquid hydrocarbon medium in which all the components will be partly or completely insoluble to precipitate the solid catalyst; separating the solid catalyst precipitated, washing the solid catalyst with a hydrocarbon solvent; and drying the solid catalyst under vacuum at a temperature ranging between 0 to 50.degree. C.
    • 本发明涉及制备具有选自周期表的IIIB,IVB,VB和VIB的过渡金属的固体卤化镁载体金属茂催化剂的方法,其包括制备镁金属的浆料 电子给体溶剂; 将镁金属的浆料加热至0℃至50℃,持续10分钟至4小时。 向所述浆料中加入二卤代烷烃化合物以获得载体(溶液A)的均匀溶液; 在溶液A(溶液B)中分别制备茂金属化合物与相同电子给体溶剂的溶液; 将溶液B加热至0℃至50℃,持续10分钟至1小时,在溶液A中加入溶液A,时间为10分钟至2小时。 同时保持温度在0〜50℃的范围内,得到均匀溶液; 在惰性气氛下将所得均匀溶液冷却至室温; 将反应混合物倒入液体烃介质中,其中所有组分将部分或完全不溶解以沉淀固体催化剂; 分离固体催化剂沉淀,用烃溶剂洗涤固体催化剂; 并在0至50℃的温度下在真空下干燥固体催化剂。
    • 3. 发明授权
    • Process for the preparation of supported metallocene catalyst
    • 负载金属茂催化剂的制备方法
    • US5965477A
    • 1999-10-12
    • US856196
    • 1997-05-14
    • Swaminathan SivaramSoumen Sensarma
    • Swaminathan SivaramSoumen Sensarma
    • B01J31/22B01J37/02C08F4/02C08F4/60C08F4/6192C08F4/654C08F10/00B01J31/00B01J37/00
    • B01J31/1616B01J31/2295B01J31/26B01J37/0205C08F10/00B01J21/08B01J2531/30B01J2531/35B01J2531/40B01J2531/46B01J2531/48B01J2531/49B01J2531/50B01J2531/56B01J2531/60C08F4/61925
    • This invention is directed to a process for the preparation of a supported metallocene catalyst, said process comprising preparing a precursor catalyst material by dissolving a magnesium halide in an electron donor solvent in which the magnesium halide is completely soluble, heating the solution to a temperature in the range of 20.degree. C. to the boiling point of the respective electron donor for a period ranging between 10 to 60 minutes, separately preparing a solution of the metallocene compound into the same electron donor solvent, heating the solution to a temperature in the range of 25.degree. C. to 70.degree. C. for a period ranging between 0.1 to 0.5 hrs., mixing the two solutions to obtain a homogenous solution of catalyst precursor compound, stirring and maintaining this resulting homogenous solution at a temperature in the range of 50.degree. C. to 70.degree. C. for a period of 0.5 to 2 hrs., separately preparing a slurry of support in a liquid hydrocarbon medium, heating the slurry to a temperature in the range of 50.degree. C. to 70.degree. C. and stirring it for a period of 0.25 to 2 hrs., mixing the homogenous solution of the catalyst precursor compound with the slurry of the support, stirring the resulting slurry for 0.5 to 3 hrs. maintaining at a temperature ranging between 50.degree. C to 70.degree. C., cooling the resultant slurry to room temperature under an inert atmosphere, separating the solid by conventional methods, washing the solid with a hydrocarbon solvent and drying the solid under vacuum to obtain the product.
    • 本发明涉及一种制备负载型茂金属催化剂的方法,所述方法包括通过将卤化镁溶解在其中卤化镁完全溶解的电子给体溶剂中来制备前体催化剂材料,将该溶液加热至 20℃至相应电子给体的沸点的范围为10至60分钟,分别制备茂金属化合物溶于同一电子给体溶剂中,将该溶液加热至该范围内的温度 在25℃至70℃下进行0.1至0.5小时的时间,将两种溶液混合以获得均匀的催化剂前体化合物溶液,搅拌并将该所得均匀溶液保持在50℃ ℃至70℃,时间为0.5至2小时,分别在液体烃介质中制备载体浆料,将浆料加热至温度 在50℃至70℃的范围内搅拌0.25至2小时,将催化剂前体化合物的均匀溶液与载体的浆料混合,将所得浆料搅拌0.5至 3小时 保持在50℃至70℃的温度下,在惰性气氛下将所得浆料冷却至室温,用常规方法分离固体,用烃溶剂洗涤固体,并在真空下干燥该固体,得到 产品。