1-phenoxy-2-propanol as a formulating aid for dyes

Details 1-phenoxy-2-propanol as a formulating aid for dyes 1-phenoxy-2-propanol as a formulating aid for dyes

C - Chemistry, Metallurgy

09

B

C09B 67/26 (2006.01) C09B 67/34 (2006.01) D21H 21/28 (2006.01)

Patent

CA 2607985

The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.1 to 10% by weight of 1- phenoxy-2-propanol, c) 0 to 20% by weight of an inorganic or an organic acid, d) 0 to 20% by weight of further additives and e) water to complete to 100%, a process for the preparation of the solution and the use thereof for dyeing paper.

L'invention porte sur une solution de coloration aqueuse comprenant: a) 5 à 30 % en poids d'un colorant direct anionique ou cationique, b) 0,1 à 10 % en poids de 1-phénoxy-2-propanol, c) 0 à 20 % en poids d'un acide inorganique ou organique, d) 0 à 20 % en poids d'autres additifs et e) de l'eau pour compléter à 100 %. L'invention porte également sur un procédé de préparation de la solution et sur son utilisation dans la coloration du papier.

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