Stable aqueous formulations of stilbene fluorescent...

Details Stable aqueous formulations of stilbene fluorescent... Stable aqueous formulations of stilbene fluorescent...

D - Textiles, Paper

06

L

8/52

D06L 3/12 (2006.01) D21H 21/30 (2006.01)

Patent

CA 1156403

Case 1-12676/+ Stable aqueous formulations of stilbene fluorescent whitening agents 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 Image X wherein R is an aliphatic hydrocarbon radical of 8 to 22 carbon atoms, Y1 and Y2 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.

368312

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