Yuan Mao-lin
2009
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Journal
Resource Development & Market
Abstract
The synthesis of trimethylolethane using formaldehyde and propionaldehyde as material and a mixed solution of calcium hydroxide and a little triethylamine as catalyst was studied.The trimethylolethane was separated from the mixed solution of the reaction by different mathods to obtain purified trimethylolethane.The optimum conditions were:The trimethylolethane was separated by ethanedioic acid and then recrystallized by ethyl alcohol.The purity of trimethylolethane was 99.5% and the yield of trimethylolethane was 81.6%(based on propionaldehyde).Ethyl alcohol could be recovered for reusing.