Process for lightening the colour of polyol esters

Details Process for lightening the colour of polyol esters Process for lightening the colour of polyol esters

C - Chemistry, Metallurgy

07

C

C07C 67/60 (2006.01) C07C 67/08 (2006.01)

Patent

CA 2716762

The present invention relates to a process for lightening the colour of polyol esters by reacting polyols with linear or branched aliphatic monocarboxylic acids having 3 to 20 carbon atoms, wherein the reaction product is worked up without using adsorbents and comprises a treatment with ozone or ozone-containing gases and an immediately subsequent steam treatment with subsequent drying.

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