Process for the production of 2-butyl-2-ethyl-1,3-propanediol
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United States of America Patent
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Apr 9, 2002
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N/A
app pub date -
May 30, 2000
filing date -
Aug 19, 1996
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Expired
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Abstract
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 an hydroxide compound is fed, whereby 2-ethylhexanal and formaldehyde are reacted to 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.
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