Water-fast printing with water-soluble dyes

Details Water-fast printing with water-soluble dyes Water-fast printing with water-soluble dyes

1981-06-09

1983-04-26

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

8578, 8603, 8611, 8625, 8647, 8919, 162162, C09B 6910

Patent

active

043811850

ABSTRACT:
Water-fast printing of paper stock using a colorant solution containing water-soluble polymeric dyes is accomplished by a three step process. Step 1 is selecting a paper stock characterized as containing at least 250 ppm by weight of cation, particularly a polyvalent metal cation (especially Ca.sup.2+ or Al.sup.3+). In step 2, a colorant solution is applied to the paper. This solution is water-based, containing up to 30 wt % of an organic paper-penetrating agent (such as an alkanol), and at least 500 ppm of one or more anionic group-possessing polymeric colorants. In step 3, the solvent is exhausted by either evaporation (which may be aided by the application of heat) or diffusion into the paper stock, or by a combination of both.

REFERENCES:
patent: Re30362 (1980-08-01), Gless, Jr. et al.
patent: 3337288 (1967-08-01), Horiguchi et al.a
patent: 4000118 (1976-12-01), Dawson et al.
patent: 4018826 (1977-04-01), Gless et al.
patent: 4096134 (1978-06-01), Otteson et al.
patent: 4182885 (1980-01-01), Bunes
patent: 4282060 (1981-08-01), Maslanka et al.
patent: 4348257 (1982-09-01), Maslanka et al.

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