Processes for the preparation of titanylphthalocyanines

Details Processes for the preparation of titanylphthalocyanines Processes for the preparation of titanylphthalocyanines

C - Chemistry, Metallurgy

09

B

C09B 47/08 (2006.01) C09B 67/12 (2006.01) C09B 67/16 (2006.01) C09B 67/50 (2006.01) G03G 5/06 (2006.01)

Patent

CA 2061309

A process for the preparation of titanyl phthalocyanine Type X which comprises dissolving titanyl phthalocyanine Type I in a solution of trifluoroacetic acid and methylene chloride; adding the resultant solution to a solvent enabling precipitation of Type X titanyl phthalocyanine; separating the titanyl phthalocyanine Type X from the solution; followed by a first washing with an organic solvent and a second washing with water; and thereafter a solvent treatment with fluorobenzene.

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