Manufacturing method of quaternary ammonium salt and electric double layer capacitor using the quaternary ammonium salt manufactured by the method

摘要

The present invention relates to a process for the production of trimethylmethoxymethylammonium chloride, which comprises the steps of adding trimethylamine and chloromethyl methyl ether to a first solvent and reacting them, and producing a white precipitate, trimethylmethoxymethylammonium chloride, A step of selectively separating trimethylmethoxymethylammonium chloride and tetrafluoroboric acid, and a step of reacting the resulting reaction product with a second solvent to obtain a depressurized distillate; Adding methylene chloride and distilled water to the reduced pressure concentrate, extracting the organic layer, collecting the organic layer and distillation under reduced pressure, and adding the resultant of the vacuum distillation to a third solvent to precipitate the precipitate, then selectively separating the precipitate _111N, the quaternary ammonium salt comprises the step of obtaining a BF _41O1 It relates to an electric double layer capacitor using the manufacturing method and thus the quaternary ammonium salts prepared by.