发明申请
US20100317887A1 PROCESS FOR PREPARING (METH)ACRYLATES OF C10-ALCOHOL MIXTURES
有权
制备C10-醇混合物(甲基)丙烯酸酯的方法
- 专利标题: PROCESS FOR PREPARING (METH)ACRYLATES OF C10-ALCOHOL MIXTURES
- 专利标题(中): 制备C10-醇混合物(甲基)丙烯酸酯的方法
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申请号: US12867511申请日: 2009-02-26
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公开(公告)号: US20100317887A1公开(公告)日: 2010-12-16
- 发明人: Uwe Meisenburg , Frank Hoefer , Reinhold Schwalm , Nick Gruber , Lothar Karrer
- 申请人: Uwe Meisenburg , Frank Hoefer , Reinhold Schwalm , Nick Gruber , Lothar Karrer
- 申请人地址: DE LUDWIGSHAFEN
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE LUDWIGSHAFEN
- 优先权: EP08102070.3 20080227
- 国际申请: PCT/EP09/52241 WO 20090226
- 主分类号: C07C67/62
- IPC分类号: C07C67/62
摘要:
Process for preparing (meth)acrylates of C10-alcohol mixtures, by reacting (meth)acrylic acid with an isomer mixture of C10-alcohols composed of 2-propylheptanol as the main isomer and at least one of the C10-alcohols 2-propyl-4-methylhexanol, 2-propyl-5-methylhexanol, 2-isopropylheptanol, 2-isopropyl-4-methylhexanol, 2-isopropyl-5-methylhexanol and/or 2-propyl-4,4-dimethylpentanol, in the presence of at least one acidic catalyst and of at least one polymerization inhibitor and in the presence of a solvent which forms an azeotrope with water, the azeotrope is distilled off and condensed, and the condensate splits into an aqueous phase and an organic phase, wherein a) the esterification is performed in a reactor with a circulation evaporator and b) in the presence of a solvent, and c) the crude product is purified by subsequent purifying distillation.
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