Thermal ink-jet exhibiting reduced kogation

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 22R, C09D 1102

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active

053891325

ABSTRACT:
A composition for use as an ink in thermal ink-jet printers comprising water, a compatible colorant, and certain 2-substituted 1,3-propanediols as humectants, the compositions providing a substantially kogation-free ink.

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patent: 5169437 (1992-12-01), You
patent: 5268027 (1993-12-01), Chan et al.
P. L. Gender, et al.: "Thermal Decomposition (Kogation) of Ethylene Glycol and Diethylene Glycol in Thermal Ink-Jet Inks," IS&Ts 8th Int'l. Congress on Advances in Non-Impact Printing Technologies, Oct. 25-30, 1992, pp. 308-315.
D. J. Halko, et al.: "Kogation: A New Mechanism and Solution," 9th Int'l. Congress on Advances in Non-Impact Printing Technologies, Oct. 4-8, 1993, pp. 269-272.
K. Shirota, et al.: "Kogation of Inorganic Impurities in Bubble Jet Ink," 9th Int'l. Congress on Advances in Non-Impact Printing Technologies, Oct. 4-8, 1993, pp. 273-274.

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