Dye salts of the anthraquinone dye series

Details Dye salts of the anthraquinone dye series Dye salts of the anthraquinone dye series

1994-02-14

1995-05-16

Reamer, James H.

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

Organic compounds

Polycyclo ring system containing anthracene configured ring...

552228, 552229, 552230, 552231, 106 23D, C07C 5018, C07C 5020

Patent

active

054162270

ABSTRACT:
The invention includes printing ink compositions containing an organic solution of a film-forming polymer and a dye salt of formula ##STR1## wherein R is a group of formula ##STR2## wherein R.sub.1 is C.sub.1 -.sub.4 alkyl, R.sub.2 and R.sub.3 are each independently of the other hydrogen, CH.sub.2 X, SO.sub.2 Y or NHCOZ, R.sub.4 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.5 is CH.sub.2 X, SO.sub.2 Y or NHCOZ, X is a NHCOR.sub.6 or NR.sub.7 SO.sub.2 R.sub.6 group, Y is NR.sub.8 R.sub.9 or N(R.sub.8).sub.2, and Z is C.sub.1 -C.sub.4 alkyl or NHR.sub.9, R.sub.6 is C.sub.1 -C.sub.4 alkyl, unsubstituted phenyl or phenyl which is substituted by C.sub.1 -C.sub.4 alkyl or halogen, R.sub.7 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.8 is hydrogen, C.sub.1 -C.sub.4 alkyl or a ##STR3## group, and R.sub.9 is hydrogen C.sub.1 -C.sub.4 alkyl or phenyl, and R', R" and R"' are alkyl radicals containing together 10 to 24 carbon atoms, or a mixture of such dye salts.
These dye salts are suitable for colouring organic solutions of polymers and are distinguished by their good solubility in organic solvents as well as by their purity, high saturation, adhesion, storage stability, and fastness to light and weathering.

REFERENCES:
patent: 3320287 (1967-05-01), Schwander
patent: 3842102 (1974-10-01), Hindermann et al.
patent: 3859283 (1975-01-01), Hindermann et al.
patent: 3994872 (1976-11-01), Kuster
patent: 4005066 (1977-01-01), Gottschalk et al.
patent: 4539418 (1985-09-01), Takaga et al.

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