The enhancement of fluorescent whitening agents

Details The enhancement of fluorescent whitening agents The enhancement of fluorescent whitening agents

D - Textiles, Paper

21

H

D21H 21/30 (2006.01) D06L 3/12 (2006.01) D06P 1/667 (2006.01)

Patent

CA 2065016

A method of enhancing the whiteness of a cellulosic material is described which comprises incorporating therein, or apply- ing thereto, a fluorescent whitening agent, a water soluble phosphonate having 1 to 5 phosphonate groups and/or a water soluble carboxylate having 2 to 5 carboxylate groups at a neutral or alkaline pH.

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