Insoluble pigments and preparation thereof

Details Insoluble pigments and preparation thereof Insoluble pigments and preparation thereof

C - Chemistry, Metallurgy

09

B

400/1302, 260/43

C09B 45/22 (2006.01) C09B 57/00 (2006.01) C09B 67/20 (2006.01) C09B 69/02 (2006.01) C09C 3/08 (2006.01) C09D 1/00 (2006.01)

Patent

CA 1269365

ABSTRACT OF THE DISCLOSURE A water-insoluble pigment comprising a complex of an inorganic water-insoluble anion exchange material and a water- soluble dye is disclosed, wherein the anionic exchange material is represented by the formula (I) Image where M is a metal element or elements each with a positive valence of a; Q is a metal element or elements each with a positive valence of a+1; a is 2, 3, 4 or 5; A-1, A-2, A-3, and A-4 are each one or more exchangeable anions each having a negative valence of 1, 2, 3, and 4, respectively; x is o < x < 0.5; and n, y, z, d, e, f, and g are real numbers greater than or equal to zero and satisfy the following: 2y + z = a o < d + 2e + 3f + 4g < x O < n < 10 provided that when y = O, a is not equal to 2.

512026

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