Processes for the preparation of titaniumphthalocyanine Type X

Details Processes for the preparation of titaniumphthalocyanine Type X Processes for the preparation of titaniumphthalocyanine Type X

1991-05-28

1993-01-26

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540142, 540143, 430 58, 430 59, 430 78, O09B 6750

Patent

active

051823829

ABSTRACT:
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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