Monoazolake pigment composition and gravure ink using the same

Details Monoazolake pigment composition and gravure ink using the same Monoazolake pigment composition and gravure ink using the same

C - Chemistry, Metallurgy

09

B

C09B 29/30 (2006.01) C09B 41/00 (2006.01) C09B 63/00 (2006.01) C09D 11/00 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2436845

A monoazo lake pigment composition containing a monoazo lake pigment obtained from a laked pigment aqueous slurry prepared by conducting coupling of a diazo component obtained by diazotizing an aromatic amine having a soluble group and a coupler component and conducting laking after or simultaneously with the coupling, wherein the laking is carried out in the presence of a water-soluble acrylic polymer in an amount of 0.1 to 40 parts by weight per 100 parts of the above coupler component, and a gravure ink containing the above pigment composition and a gravure ink vehicle.

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