Monoazo pigments

Details Monoazo pigments Monoazo pigments

C - Chemistry, Metallurgy

09

B

260/168.1

C09B 29/00 (2006.01) C09B 29/01 (2006.01) C09B 29/033 (2006.01) C09B 29/33 (2006.01)

Patent

CA 1083565

Abstract of the disclosure Monoazo pigments of the formula Image in which R1 is a H atom, an alkyl group containing 1-4 C atoms or a phenyl radical, which is.unsubstituted or substituted by halogen atoms or alkyl or alkoxy groups containing 1-4 C atoms, X1 is a hydrogen or halogen atom, an alkyl or alkoxy group containing 1-4 C atoms or a phenoxy group, n is the number 1 or 2, X2 is a direct bond or a phenylene group, Z is an O or S atom, the NH group or a group of the formula -OCH2-, or Image in which R1 is as defined above, Y1 is a H or halogen atom, an alkyl or alkoxy group containing 1-4 C atoms or an acetylamino group; Y2 is a H or halogen atom or an alkyl or alkoxy group containing 1-4 C atoms and B1 is a hydrogen atom, an alkyl or alkoxy group having 1-4 C atoms, a phenyl group which is unsubstituted or substituted by halogen atoms or alkyl or alkoxy groups having 1-4 C atoms, or a phenoxy group or a group of the formula -NHQ, in which Q is a hydrogen atom, an alkyl group containing 1-6 C atoms or a phenyl radical which is unsubstituted or substituted by halogen atoms or alkyl or alkoxy groups having 1-4 C atoms. These pigments show high tinctorial strength and good fastness to light, over-lacquering, migration, weathering and heat.

290366

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