Monoazo pigment compositions

Details Monoazo pigment compositions Monoazo pigment compositions

C - Chemistry, Metallurgy

09

B

C09B 56/02 (2006.01) C09B 67/22 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2078862

2078862 9114744 PCTABS00007 Monoazo pigments are provided which have improved properties achieved by incorporating certain azomethine compounds. The pigment compositions are prepared by reacting a primary amine-terminated alkylene oxide polymer and an acetoacetanilide to form an azomethine coupler and subsequently preparing the monoazo pigment composition by reacting the desired diazo component and coupling component in the presence of the azomethine coupler so as to form an azomethine composition of matter and the desired pigment.

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