Process for preparing refined acrylic esters

Details Process for preparing refined acrylic esters Process for preparing refined acrylic esters

C - Chemistry, Metallurgy

07

C

C07C 69/54 (2006.01) C07C 67/54 (2006.01)

Patent

CA 2197666

The invention relates to a process for preparing refined acrylic esters comprising distilling an acrylic ester containing stream in the presence of a phenolic inhibitor and oxygen. The invention relates in particular to purified methyl methacrylate prepared from propyne.

Procédé de préparation d'esters acryliques raffinés consistant à distiller un ester acrylique contenant de la vapeur en présence d'un inhibiteur phénolique et d'oxygène. L'invention concerne notamment du méthacrylate de méthyle purifié préparé à partir du propyne.

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