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公开(公告)号:US4329492A
公开(公告)日:1982-05-11
申请号:US209032
申请日:1980-11-21
申请人: Naoki Andoh , Itsuo Nishiwaki , Masatoshi Arakawa
发明人: Naoki Andoh , Itsuo Nishiwaki , Masatoshi Arakawa
CPC分类号: C07C67/08
摘要: A continuous process for producing methacrylic acid ester from methacrylic acid and a lower alcohol containing 1 to 3 carbon atoms utilizing sulfuric acid as a catalyst and a hydrophobic solvent to assist in the formation of a heterogeneous reaction mixture, the process being particularly characterized by the steps of reconcentrating and reusing the sulfuric acid.
摘要翻译: 使用硫酸作为催化剂和疏水性溶剂从甲基丙烯酸和含有1至3个碳原子的低级醇生产甲基丙烯酸酯的连续方法,以帮助形成不均匀的反应混合物,该方法的特征在于步骤 重新浓缩和再利用硫酸。