Process for producing spherical particles of furfuryl alcohol resin, spherical particles of furfuryl alcohol resin produced by the process, spherical carbon particles and spherical activated carbon particles
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United States of America Patent
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May 26, 2015
Grant Date -
Nov 28, 2013
app pub date -
Aug 7, 2013
filing date -
Mar 17, 2011
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Abstract
Providing a process for advantageously producing spherical particles of furfuryl alcohol resin using only furfuryl alcohol without using a harmful aldehyde as a starting material. In the process, furfuryl alcohol is subjected to a self-condensation reaction in the presence of an acid catalyst, whereby a fluidic condensation resin of furfuryl alcohol is obtained. The condensation resin of furfuryl alcohol is granulated and cured using water as a reaction medium in the presence of a dispersion stabilizer and an acid catalyst having a pKa of not more than 1.5, whereby spherical cured resin particles are formed.
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