Easily dispersible solid pigment preparations

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

C09B 67/00 (2006.01) C09D 5/00 (2006.01)

Patent

CA 2752185

The invention relates to solid pigment preparations containing: (A) 5 to 99 percent by weight of at least one pigment; (B) 1 to 95 percent by weight of at least one water--soluble dispersing additive based on copolymers that consist of the following structural units: (i) 1.0 to 50 mole percent of structural unit (B1); a combined total of 50 to 99.0 mole percent of structural units (B2) and (B3); (iii) 0 to 49 mole percent of structural unit (B4).

L'invention concerne des préparations de pigment solide, contenant: (A) de 5 à 99 % en poids d'au moins un pigment, (B) de 1 à 95 % en poids d'au moins un additif aqueux de dispersion à base de copolymères constitués des unités structurelles suivantes: (i) de 1,0 à 50 % en moles de l'unité structurelle (B1), (ii) de 50 à 99,0 % en moles des unités structurelles (B2) et (B3) au total, (iii) de 0 à 49 % en moles de l'unité structurelle (B4).

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