Ink composition having excellent waterfastness

Details Ink composition having excellent waterfastness Ink composition having excellent waterfastness

1996-10-18

1999-08-03

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106 3113, 106 3127, 106 3132, 106 3164, C09D 500

Patent

active

059326310

ABSTRACT:
An aqueous solution ink composition is provided which yields a waterfast printed image, is fast drying, and is stable under typical printing conditions in an ink-jet printer. The ink composition is excellent with regard to its stability and the waterfastness of the printed image. The aqueous solution ink composition comprises an alkali-soluble polymer resin, a basic dye or an oil-soluble salt-type dye with the color imparting portion of the salt being cationic, and an alkali in an amount sufficient to completely dissolve both the alkali-soluble polymer resin and the dye.

REFERENCES:
patent: 4680332 (1987-07-01), Hair et al.
patent: 5631309 (1997-05-01), Yanagi et al.
Patent Abstracts of Japan of JP 06058347 Dated Mar. 1994.
Patent Abstracts of Japan of JP 62280513 Dated Nov. 6, 1987.
Patent Abstracts of Japan of JP 04076280 Dated Feb. 22, 1992.

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