Low color poly(biphenyl ether sulfone) and improved process...

Details Low color poly(biphenyl ether sulfone) and improved process... Low color poly(biphenyl ether sulfone) and improved process...

C - Chemistry, Metallurgy

08

G

C08G 75/23 (2006.01) C08G 65/40 (2006.01)

Patent

CA 2401403

Improved carbonate method for producing poly(biphenyl ether sulfones) having a low color, the improvement being the use of small particle size anhydrous potassium carbonate. The resulting poly(biphenyl ether sulfones) are significantly improved in color.

Procédé amélioré au carbonate, pour la production de poly(biphényl éther sulfones) faiblement colorés, l'amélioration consistant à utiliser un carbonate de potassium anhydre à particules de faible taille. Les poly(biphényl éther sulfones) résultants sont sensiblement améliorés au niveau de la couleur.

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