Anionic and nonionic emulsified optical brightener suspension wi

Details Anionic and nonionic emulsified optical brightener suspension wi Anionic and nonionic emulsified optical brightener suspension wi

1977-05-11

1978-06-13

Kight, III, John

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

25230121, D06L 312, D06P 144

Patent

active

040946347

ABSTRACT:
Described are aqueous, stable, highly concentrated, finely dispersed, flowable preparations of dyestuffs and optical brighteners insoluble to difficultly soluble in water, which preparations have a low content of dispersing agent and a particle size smaller than 10 .mu., particularly smaller than 2 .mu., characterized in that these preparations contain at least 10 percent by weight of water, at least 30 percent by weight of a finely dispersed dyestuff or optical brightener insoluble to difficultly soluble in water, and a mixture consisting of at most 10 percent by weight of an anion-active dispersing agent, at most 5 percent by weight of a nonionic dispersing agent and at most 35 percent by weight of a hydrotropic agent, as well as, optionally, further additives which preparations are useful for the dyeing, printing and optical brightening of textile material in a conventional manner or for the production of printing pastes having an aqueous base or a water-in-oil-emulsion base which printing pastes are useful for the printing of carrier materials, particularly paper with application of dyestuffs or optical brighteners suitable for transfer printing and use of the printed carrier materials in the transfer printing process on textile materials.

REFERENCES:
patent: 3347617 (1967-10-01), Ulrich et al.
patent: 3558316 (1971-01-01), Keberle
patent: 3900608 (1975-08-01), Dierkes et al.
patent: 3997828 (1976-08-01), Becker et al.

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