P.R. 254 pigment preparation for use in color filters
The invention provides a pigment preparation comprising (a) C.I. Pigment Red 254 with an average particle size d50 of not more than 100 nm;(b) 0.1% to 30% by weight, based on the weight of the PR 254, of one or more dispersants from the group of the unlaked sulfo-containing monoazo dyes; and(c) 0.1% to 30% by weight, based on the weight of the PR 254, of a basic pigment dispersant of the formula (V)
