Process for Preparing a Chromium-Based Catalyst for the Polymerization and/or Copolymerization of Olefins
    3.
    发明申请
    Process for Preparing a Chromium-Based Catalyst for the Polymerization and/or Copolymerization of Olefins 有权
    制备用于烯烃聚合和/或共聚的铬基催化剂的方法

    公开(公告)号:US20080051532A1

    公开(公告)日:2008-02-28

    申请号:US11628827

    申请日:2005-06-09

    IPC分类号: C08F4/18 C08F2/00

    摘要: Process for preparing a supported catalyst for the polymerization and/or copolymerization of olefins which has a chromium content of from 0.01 to 5% by weight, based on the element, which comprises (a) preparing a homogeneous solution comprising an organic or inorganic chromium compound and at least one further organic or inorganic compound of elements selected from among Mg, Ca, Sr, B, Al, Si, P, Bi, Sc, V, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Ru, Rh, Pd, Hf, Ta, W in a protic or aprotic polar solvent, (b) bringing the solution from a) into contact with a finely divided inorganic support to form a catalyst precursor, (c) if appropriate, removing the solvent from the catalyst precursor and (d) calcining the catalyst precursor at temperatures of from 350 to 950° C., preferably 400 to 900° C., under oxidative conditions.

    摘要翻译: 制备用于烯烃聚合和/或共聚的负载催化剂的方法,该催化剂的铬含量为0.01至5重量%,基于该元素,其包括(a)制备包含有机或无机铬化合物的均匀溶液 以及选自Mg,Ca,Sr,B,Al,Si,P,Bi,Sc,V,Mn,Fe,Co,Ni,Cu,Zn,Zr,Nb中的至少一种有机或无机化合物, Mo,Ru,Rh,Pd,Hf,Ta,W在质子或非质子极性溶剂中,(b)使来自a)的溶液与细碎的无机载体接触以形成催化剂前体,(c) 从催化剂前体中除去溶剂,和(d)在氧化条件下,在350-950℃,优选400-900℃的温度下煅烧催化剂前体。

    Catalyst systems of the ziegler-natta type and a method for production thereof
    4.
    发明申请
    Catalyst systems of the ziegler-natta type and a method for production thereof 审中-公开
    齐格勒 - 纳塔型催化剂体系及其生产方法

    公开(公告)号:US20050075241A1

    公开(公告)日:2005-04-07

    申请号:US10399232

    申请日:2001-10-18

    CPC分类号: C08F10/00 C08F4/6555

    摘要: A method for production of catalytic systems of the Ziegler-Natta type is characterised in comprising the following steps: A) bringing an inorganic metal oxide and a magnesium compound of formula MgRnX2-n into contact, where X=independently, fluorine, chlorine, bromine, iodine, hydrogen, NR2, OR, SR, SO3R or OC(O)R and R=independently, C1-C20 linear, branched, or cyclic alkyl, a C2-C10 alkenyl, an alkylaryl with 1-10 C atoms in the alkyl group and 6-20 C atoms in the aryl group, or a C6-C18 aryl and n=1 or 2, then, B) bringing the intermediate product obtained in step A) into contact with a halogenating reagent, C) bringing the intermediate product obtained in step B) into contact with a) a tetravalent titanium compound, b) a metallo-organic compound of group 3 of the periodic system and c) optionally, an electron-donor compound and D) washing the product obtained in step C) with an aprotic solvent. The invention further relates to a catalytic system obtained as above and a method for the polymerisation of olefins.

    摘要翻译: 一种齐格勒 - 纳塔型催化体系的制备方法,其特征在于包括以下步骤:A)使式MgRnX2-n的无机金属氧化物和镁化合物接触,其中X独立地为氟,氯,溴 ,碘,氢,NR 2,OR,SR,SO 3 R或OC(O)R和R独立地为C 1 -C 20直链,支链或环状烷基,C 2 -C 10烯基,具有1-10个C原子的烷基芳基 烷基和芳基中的6-20个C原子,或C 6 -C 18芳基,n = 1或2,然后B)将步骤A)中得到的中间产物与卤化试剂接触,C) 步骤B)中获得的中间产物与a)四价钛化合物接触,b)周期性体系的第3族金属有机化合物,和c)任选的电子给体化合物,和D)洗涤步骤 C)与非质子溶剂。 本发明还涉及如上所述获得的催化体系和烯烃聚合方法。

    Preparation of amines
    10.
    发明授权
    Preparation of amines 失效
    胺的制备

    公开(公告)号:US6057442A

    公开(公告)日:2000-05-02

    申请号:US159089

    申请日:1998-09-23

    摘要: Amines are prepared from primary or secondary alcohols and nitrogen compounds selected from the group of ammonia, primary and secondary amines, at from 80 to 250.degree. C. under pressures from 0.1 to 40 MPa with hydrogen in the presence of a catalyst comprising zirconium, copper and nickel, wherein the catalytically active composition comprises20-85% by weight of oxygen-containing zirconium compounds, calculated as ZrO.sub.2,1-30% by weight of oxygen-containing copper compounds, calculated as CuO,14-70% by weight of oxygen-containing nickel compounds, calculated as NiO, where the molar ratio of nickel to copper is greater than 1,0-10% by weight of oxygen-containing aluminum and/or manganese compounds, calculated as Al.sub.2 O.sub.3 and/or MnO.sub.2,and no oxygen-containing cobalt or molybdenum compounds.

    摘要翻译: 在含有锆,铜和铜的催化剂存在下,在氢气压力为0.1至40MPa的压力下,从伯,仲醇和选自氨,伯胺和仲胺的氮化合物制备胺。 和镍,其中催化活性组合物包含20-85重量%的以ZrO 2计算的含氧锆化合物,1-30重量%的以CuO计的含氧铜化合物,14-70重量% 以NiO计算的含氧镍化合物,其中镍与铜的摩尔比大于1-10重量%,以Al 2 O 3和/或MnO 2计算的含氧铝和/或锰化合物为0-10重量% 含氧钴或钼化合物。