Colorant and ink compositions

Details Colorant and ink compositions Colorant and ink compositions

1993-12-13

1995-05-09

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20D, C09D 1102

Patent

active

054136300

ABSTRACT:
Disclosed are aqueous ink compositions for ink jet printing which comprises water, a humectant, and a colorant selected from the group consisting of: (a) those of Formula I ##STR1## wherein R.sub.1 is an electron withdrawing group, R.sub.2 is selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, and substituted arylalkyl, R.sub.3 is selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, and substituted arylalkyl, and Ar is selected from the group consisting of aryl, substituted aryl, arylalkyl, and substituted arylalkyl; (b) those of Formula II ##STR2## wherein R.sub.1 is selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, and substituted arylalkyl, R.sub.2 is selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, and substituted arylalkyl, and Ar is selected from the group consisting of aryl, substituted aryl, arylalkyl, and substituted arylalkyl; (c) dimeric compounds containing two moieties of Formula I; (d) dimeric compounds containing two moieties of Formula II; (e) dimeric compounds containing one moiety of Formula I and one moiety of Formula II; (f) trimeric compounds containing three moieties of Formula I; (g) trimeric compounds containing three moieties of Formula II; (h) trimeric compounds containing two moieties of Formula I and one moiety of Formula II; (i) trimeric compounds containing one moiety of Formula I and two moieties of Formula II; (i) polymeric compounds containing at least four moieties selected from the group consisting of Formula I, Formula II, and mixtures thereof; and (k) mixtures thereof. Also disclosed are printing processes employing the inks.

REFERENCES:
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patent: 3998803 (1976-12-01), Burkhard et al.
patent: 4073965 (1978-02-01), Mammino et al.
patent: 4087244 (1978-05-01), Greve et al.
patent: 4140684 (1979-02-01), Burkhard et al.
patent: 4176509 (1979-09-01), Parton
patent: 4284782 (1981-08-01), Schmidt
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Xerox Disclosure Journal, vol. 3, No. 1, Jan. 1978.
Chemical Abstract, CI 12700, C.I. Solvent Yellow 16 No Date Available.

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