Process for preparing ester plasticizers

Details Process for preparing ester plasticizers Process for preparing ester plasticizers

C - Chemistry, Metallurgy

07

C

C07C 69/28 (2006.01) C07C 67/08 (2006.01) C07C 69/75 (2006.01)

Patent

CA 2316680

The present invention relates to a process for preparing ester plasticizers from ethylene glycol or the dimers, trimers or tetramers of this compound and linear or branched aliphatic monocarboxylic acids having from 3 to 20 carbon atoms. The reaction is carried out in the presence of organic substances having a boiling point of < 112°C, in particular cyclohexane, as azeotrope formers (entrainers) for removing the water of reaction.

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