C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 57/00 (2006.01) C08K 5/3415 (2006.01) C08L 33/14 (2006.01) C09B 67/08 (2006.01) C09B 67/20 (2006.01) C09D 7/00 (2006.01) C09D 7/12 (2006.01) C09D 11/02 (2006.01) C09D 17/00 (2006.01)
Patent
CA 2136911
A pigment composition comprising A) a 1,4-diketopyrrolo[3,4-c]pyrrole pigment of formula Image (I), wherein A and B are each independently of the other a group of formula Image , Image or Image wherein R1 and R2 are each independently of the other hydrogen, halogen or CN, and B) 0.1-20 % by weight, based on the diketopyrrolopyrrole of formula I, of an acrylic resin obtainable by homopolymerisation of a monomer of formula Image (II), wherein R3 is hydrogen or methyl and R4 and R5 are each independently of the other hydrogen, methyl or ethyl, and n is an integer from 1 to 6, or by copolymerisation of the same monomer with a monomer which is copolymerisable with said same monomer. These pigment compositions have excellent rheology and the colorations obtained with them have surprisisingly high gloss.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
LandOfFree
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