[Zr:1].[O:2]=[Sb:3][O:4][Sb:5]=[O:6]>>[OH-:2].[Zr+4:1].[OH-:2].[OH-:2].[OH-:2].[O:2]=[Sb:3][O:4][Sb:5]=[O:6]adding an aqueous solution of a zirconium salt to an aqueous slurry of antimony trioxide particles so that the proportion of the zirconium salt is about 0.1 to about 5 percent by weight (as ZrO2) of the total weight of said composition to form zirconium hydroxide and deposit it onto the surfaces of the antimony trioxide particles;
Wird geladen…