Processes for the preparation of titanium-phthalocyanine Type X

Details Processes for the preparation of titanium-phthalocyanine Type X Processes for the preparation of titanium-phthalocyanine Type X

1991-04-01

1993-02-23

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, C09B 6750

Patent

active

051891565

ABSTRACT:
A process for the preparation of titanyl phthalocyanine which comprises the reaction of a titanium tetraalkoxide and diiminoisoindolene in the presence of a halonaphthalene solvent; dissolving the resulting Type I titanyl phthalocyanine in a haloacetic acid and an alkylene halide; adding the resulting mixture slowly to a cold alcohol solution; and thereafter isolating the resulting Type X titanyl phthalocyanine with an average volume particle size diameter of from about 0.02 to about 0.5 micron.

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JP 03010257, Jan. 17, 1991 (Abstract).
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