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    • 4. 发明公开
    • (METH)ACRYLAT-POLYMER ZUR VERBESSERUNG DES VISKOSITÄTSINDEXES
    • (METH)丙烯酸酯聚合物ZUR VERBESSERUNG DESVISKOSITÄTSINDEXES
    • EP2526135A1
    • 2012-11-28
    • EP10788325.8
    • 2010-12-08
    • Evonik RohMax Additives GmbH
    • KOSCHABEK, ReneKÜNZEL, SandraWEBER, MarkusBARTELS, ThorstenWINCIERZ, Christoph
    • C08F220/18C08F220/28C10M145/10
    • The invention relates to a (meth)acrylate polymer for improving the viscosity index, which comprises a) from 5 to 60 wt% of repeating units that are derived from (meth)acrylates of formula (I), where R represents hydrogen or methyl and R
      1 is an alkyl radical having from 1 to 6 carbon atoms, b) from 5 to 80 wt% of repeating units that are derived from (meth)acrylates of formula (II), where R is hydrogen or methyl and R
      2 is an alkyl radical having from 7 to 30 carbon atoms, and c) from 15 to 90 wt% of repeating units that are derived from (meth)acrylates of formula (III), where R is hydrogen or methyl, n is an integer in the range of 2 to 500 and A is C
      2 -C
      4 alkylene and R
      3 is a hydrogen atom or an alkyl radical having from 1 to 4 carbon atoms. The invention further relates to novel lubricating oil compositions, to a method for producing the above-mentioned (meth)acrylate polymers and to the use thereof for improving the viscosity index of lubricating oil compositions that comprise at least one polar base oil.
    • 本发明涉及用于改善粘度指数的(甲基)丙烯酸酯聚合物,其包含a)5-60重量%的衍生自式(I)的(甲基)丙烯酸酯的重复单元,其中R表示氢或甲基, R1是具有1至6个碳原子的烷基,b)5-80重量%的衍生自式(II)的(甲基)丙烯酸酯的重复单元,其中R是氢或甲基,R 2是烷基 具有7至30个碳原子,和c)15至90重量%的衍生自式(III)的(甲基)丙烯酸酯的重复单元,其中R是氢或甲基,n是2的整数 至500,A为C 2 -C 4亚烷基且R 3为氢原子或具有1至4个碳原子的烷基。 本发明还涉及新型润滑油组合物,用于生产上述(甲基)丙烯酸酯聚合物的方法及其用于改善包含至少一种极性基础油的润滑油组合物的粘度指数的用途。
    • 8. 发明申请
    • PROCESS FOR THE PRODUCTION OF ISO-PROPANOL BY LIQUID PHASE HYDROGENATION
    • 通过液相加氢法生产异丙醇的方法
    • WO2009043574A1
    • 2009-04-09
    • PCT/EP2008/008311
    • 2008-10-01
    • INEOS PHENOL GMBH & CO. KGBONMANN, RalfPOMPETZKI, WernerWEBER, Markus
    • BONMANN, RalfPOMPETZKI, WernerWEBER, Markus
    • C07C29/145C07C31/10C07C29/80C07C29/76C07C39/04C07C45/53C07C37/08C07C2/86
    • C07C29/145C07C37/08C07C45/53C07C407/00Y02P20/125C07C49/08C07C409/10C07C31/10C07C39/04
    • The present invention relates to a process for the production of iso-propanol by liquid phase hydrogenation of acetone to iso-propanol in at least two hydrogenation reaction stages, each reaction stage comprising a hydrogenation reaction zone, wherein the hydrogenation reaction product leaving the reaction zone of the first reaction stage contains unreacted acetone and a product stream comprising acetone and iso-propanol is transferred to the reaction zone of a subsequent reaction stage said product stream having at the inlet to the reaction zone of said subsequent reaction stage a temperature of 60 to 100°C, wherein the temperature of the product stream leaving the reaction zone of said subsequent reaction stage at the outlet from said reaction zone is at most 40°C higher than the temperature of the product stream entering said reaction zone at the inlet to said reaction zone and the temperature in said subsequent reaction zone does not exceed 125°C, to a process of purifying an iso-propanol raw product containing less than 1000 wppm acetone comprising subjecting the iso-propanol raw product to a distillation in a dividing wall distillation column to obtain purified iso-propanol and to an integrated process for the production of phenol employing the above hydrogenation process.
    • 本发明涉及通过在至少两个氢化反应阶段中将丙酮液相氢化为异丙醇来生产异丙醇的方法,每个反应阶段包括氢化反应区,其中离开反应区的氢化反应产物 的第一反应阶段包含未反应的丙酮,并且将包含丙酮和异丙醇的产物流转移到随后反应阶段的反应区,所述产物流在所述后续反应阶段的反应区的入口处具有60至 100℃,其中离开来自所述反应区出口的所述后续反应阶段的反应区的产物流的温度比在所述反应区的入口处进入所述反应区的产物流的温度高至多40℃ 反应区域和所述后续反应区域中的温度不超过125℃ 包括含有小于1000wppm丙酮的异丙醇原料,包括使异丙醇原料在分隔壁蒸馏塔中进行蒸馏以获得纯化的异丙醇,以及使用上述氢化方法生产苯酚的一体化方法。