Method for preparing aqueous quaternary ammonium hydroxide solution.
摘要
<p>The present invention provides a method for preparing a high-purity aqueous quaternary ammonium hydroxide solution, and there is here disclosed this method for preparing the high-purity aqueous quaternary ammonium hydroxide solution which comprises reacting a quaternary ammonium organic acid salt with hydrogen peroxide, oxygen or an oxygen-containing gas in the presence of a platinum group metal catalyst to produce a quaternary ammonium inorganic acid salt, and then electrolyzing this inorganic acid salt by the use of an electrolytic tank having a cation exchange membrane.</p>
申请公布号
EP0608545(A1)
申请公布日期
1994.08.03
申请号
EP19930120484
申请日期
1993.12.18
申请人
MITSUBISHI GAS CHEMICAL COMPANY, INC.
发明人
AOYAMA, TETSUO, C/O MITSUBISHI GAS CHEM.;KONDO, TOSHIO, C/O MITSUBISHI GAS CHEM.;SUGAWARA, YASUSHI, C/O MITSUBISHI GAS CHEM.;MIYAKE, MASAHIRO, C/O MITSUBISHI GAS CHEM.