PROCESS FOR THE PRODUCTION OF 2-BUTYL-2-ETHYL-1,3-PROPANEDIOL

摘要

the present invention concerns a process for producing 2-butyl-2-ethyl-1,3-propanediol. According to the process, a reaction mixture is formed, containing 2-ethylhexanal and formaldehyde, into which a hydroxide compound is fed, whereby 2-ethylhexanal and formaldehyde are reacted to produce 2-butyl-2-ethyl-1,3-propanediol. According to the invention, the hydroxide compound is incrementally fed into the reaction mixture. Preferably, the hydroxide compound is fed at least at two input rates, in such a way that the heat production of the reaction between 2-ethylhexanal and formaldehyde immediately after each increase of the input rate of the hydroxide compound is at least almost the same. The invention allows for the production of BEPD in a controlled and safe manner, with excellent yields.