Diketopyrrolopyrrole pigment with high chroma

Details Diketopyrrolopyrrole pigment with high chroma Diketopyrrolopyrrole pigment with high chroma

1994-03-23

1996-02-20

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106494, 106498, 106499, C07D47102

Patent

active

054925649

ABSTRACT:
The pigment form of the diketopyrrolopyrrole pigment of formula ##STR1## having high saturation, characterised by a chroma C*.sub.ab of at least 45 in the CIELAB system when incorporated in a plasticised PVC pressed sheet. This pigment has superior opacity and an unexpectedly high chroma.

REFERENCES:
patent: 4579949 (1986-04-01), Rochat et al.
patent: 4632704 (1986-12-01), Babler
patent: 4720305 (1988-01-01), Igbal et al.
patent: 4778899 (1988-10-01), Pfenninger et al.
patent: 4931566 (1990-06-01), Surber et al.
patent: 4992101 (1991-02-01), Jaffe
CRC Handbook of Chemistry and Physics, 64th ed., R. C. West, Ed., p. D-12, No. 47, 1984, CRC Press, Boca Raton, FL.

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