Printing inks and printing methods employing the same

Details Printing inks and printing methods employing the same Printing inks and printing methods employing the same

1976-08-03

1978-01-03

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 27, 106 28, 106 29, 260 24, 260 28R, 260 37N, 427256, 427288, C08G 6926

Patent

active

040665852

ABSTRACT:
Intaglio and flexographic printing processes employing solvent-free inks, solid at room temperature but molten at printing temperatures, are disclosed, as are inks suitable therefor, said inks comprising a pigment and a thermoplastic binder having a softening point between 90.degree. C. and 160.degree. C., said binder comprising a synthetic polyamide resin or synthetic polyesteramide resin, each resin being the condensation product of (1) an acid component comprising a dimerized fatty acid and a monocarboxylic acid and (2) an amine component comprising a diamine and, in the case of the polyesteramide resin, additionally comprising a diol and/or alkanolamine.

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