Stable aqueous formulations of stilbene fluorescent whitening ag

Details Stable aqueous formulations of stilbene fluorescent whitening ag Stable aqueous formulations of stilbene fluorescent whitening ag

1981-01-07

1982-07-13

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Dye concentrate composition wherein an additional amount of...

8532, 8533, 8584, 8648, 25230123, 162158, 162162, C09K 1106, D06P 3852, D21D 300, D21H 380

Patent

active

043392385

ABSTRACT:
The invention relates to formulations which are stable to metal ions and contain a stilbene fluorescent whitening agent which is substituted by sulfo groups, and an acid phosphoric acid ester of an oxyalkylated fatty amine of the formula ##STR1## wherein R is an aliphatic hydrocarbon radical of 8 to 22 carbon atoms, Y.sub.1 and Y.sub.2 are preferably hydrogen, X is the acid radical of phosphoric acid and the sum of n+m is 2 to 30, preferably 4 to 20. The formulations can additionally contain various assistants such as non-ionic or anionic surfactants and/or organic solvents or polar compounds. The formulations are used for whitening natural and synthetic fabrics, e.g. made from polyamide, cellulose and blended fabrics, as well as paper.

REFERENCES:
patent: 2956898 (1960-10-01), Fleck
patent: 3529922 (1970-09-01), Berger et al.
patent: 3600385 (1971-08-01), Loffelman et al.
patent: 3672816 (1972-06-01), Dehnert
patent: 3765831 (1973-10-01), Senez
patent: 3900608 (1975-09-01), Dierkes et al.
patent: 4258448 (1981-03-01), Keitz et al.

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