Compositions based on 2,9-dichloroquinacridone pigments

Details Compositions based on 2,9-dichloroquinacridone pigments Compositions based on 2,9-dichloroquinacridone pigments

C - Chemistry, Metallurgy

09

B

C09B 57/04 (2006.01) C08K 5/3437 (2006.01) C08K 5/3447 (2006.01) C09B 48/00 (2006.01) C09B 67/22 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2136912

The present invention relates to a heat stable red pigment composition comprising a 2,9- dichloroquinacridone (I) and a bis-(4,5,6,7-tetrachloroisoindolin-1-on-3-ylidene)- phenylene-1,4-diamine pigment (II) and a process for its preparation. The red pigment compositions are particularly useful for pigmenting engineering plastics. Image I Image II

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