THE METHOD FOR PREPARING AQUEOUS QUATERNARY AMMONIUM HYDROXIDE SOLUTION

• Main Authors: MIYAKE, MASAHIRO, KONDO, TOSHIO, AOYAMA, TETSUO, SUGAWARA, YASUSHI
• Format: Patent
• Language: English; Korean
• Published: 01.02.2000
• Edition: 7
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; APPARATUS THEREFOR; CHEMISTRY; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS; METALLURGY; ORGANIC CHEMISTRY

고순도의 수산화제4급암모늄수용액을 제조하는 방법을 제공하는 것으로서 제4급암모늄유기산염을 과산화수소, 산소 또는 산소함유가스를 백금족금속촉매의 존재하에 반응시켜서 제4급암모늄무기산염을 제조하고, 이것을 양이온 교환막을 갖는 전해탱크를 사용해서 전해하는 것을 내용으로하는 고순도의 수산화제4급암모늄수용액의 제조방법을 제시하는 것이다. 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.