Solvent based fluorescent ink compositions for ink jet printing
First Claim
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1. A fluorescent ink composition for use in impulse ink jet printers, comprising:
- (a) from about 5-75% wt. of an aromatic alcohol having the general structure;
##STR4## where R1 is hydroxyalkyl having from 1-5 carbon atoms and 1-2 oxygen atoms;
R2 is H, OH, or hdyroxyalkyl having from 1-5 carbon atoms and 1-2 oxygen atoms;
(b) from about 10-90% wt. of a glycol component;
(c) a fatty acid in an amount up to about 15% wt.; and
(d) a fluorescent pigment in an amount up to about 25% wt.
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Abstract
Fluorescent ink compositions and methods for using the ink co positions in drop-on-demand ink jet printers is provided. The fluorescent ink compositions are formulated with an aromatic alcohol, a glycol, a fatty acid, and at least one fluorescent pigment.
52 Citations
23 Claims
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1. A fluorescent ink composition for use in impulse ink jet printers, comprising:
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(a) from about 5-75% wt. of an aromatic alcohol having the general structure;
##STR4## where R1 is hydroxyalkyl having from 1-5 carbon atoms and 1-2 oxygen atoms;
R2 is H, OH, or hdyroxyalkyl having from 1-5 carbon atoms and 1-2 oxygen atoms;(b) from about 10-90% wt. of a glycol component; (c) a fatty acid in an amount up to about 15% wt.; and (d) a fluorescent pigment in an amount up to about 25% wt. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for recording fluorescent information on a substrate, comprising the steps of:
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(a) providing a fluorescent ink composition which comprises; (i) from about 5-75% wt. of an aromatic alcohol having the general structure;
##STR6## where R1 is hydroxy alkyl having from 1-5 carbon atoms and 1-2 oxygen atoms;
R2 is H, OH, or hdyroxy alkyl having from 1-5 carbon atoms and 1-2 oxygen atoms;(ii) from about 10-90% wt. of a glycol component; (iii) a fatty acid in an amount up to about 15% wt.; and (iv) a fluorescent pigment in an amount up to about 25% wt.; (b) ejecting one or more droplets of the fluorescent ink composition from an orifice by the selective application of pressure; and (c) directing the droplets to a receiving surface on a substrate. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification