Water-soluble copper phthalocyanine dyes free from cellulose reactive groups
Abstract
Abstract A water-soluble dye, free from cellulose reactive groups, of the formula: <IMAGE> wherein R1 is -(CaH2aO)m(CbH2bO)nH, R2 is H or -(CaH2aO)m(CbH2bO)nH, or R1 and R2 together with the nitrogen atom form a morpholine ring a and b are different and from 1 to 8 m is from 1 to 10; n is from 0 to 9; Y is the residue of a copper phthalocyanine sulphonic acid of the formula: CuPc(SO3M)q p is from 1 to 3 q is from 1 to 3 p+q is from 3 to 4 M is H, ammonium, or a monovalent metal; X is NR1R2, alkoxy, NR3R4 in which R3 and R4 are each independently selected from H, alkyl and aryl, or the residue of a mono- or dis-azo chromophore comprising benzene, naphthalene or mono- or bi-cyclic heteroaryl diazo and coupling components, linked to the triazine nucleus through a primary or secondary amine linking groups; and Z is a divalent linking group, which is suitable for the preparation of a printing ink, especially for ink jet printing.
Inventors
- 👤 Anthony G. Baxter
- 👤 Stephen B. Bostock
- 👤 David Greenwood
Bibliographic Details
Claims Analysis
Total Claims: 5References Cited (Backward Citations)
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