A process for the preparation of tetrabromobisphenol-a

Details A process for the preparation of tetrabromobisphenol-a A process for the preparation of tetrabromobisphenol-a

C - Chemistry, Metallurgy

07

C

C07C 39/367 (2006.01) C07C 37/62 (2006.01)

Patent

CA 2211193

This invention relates to a process for the production of tetrabromobisphenol- A, which process features: a water and water miscible solvent reaction medium; a reaction temperature between 50 and 100 °C; and the presence, in the reaction medium, of unreacted Br2 during the feed of bisphenol-A to the reactor.

Cette invention concerne un procédé de préparation de tétrabromobisphénol-A caractérisé par l'utilisation d'un support de réaction constitué d'eau et d'un solvant miscible avec l'eau, par une température de réaction comprise entre 50 DEG C et 100 DEG C, et par la présence, dans le support de réaction, de Br2 n'ayant pas réagi au cours de l'alimentation du réacteur en bisphénol-A.

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