Mono:azo dispersion dyes of benzene series - for use on synthetic fibres esp. aromatic polyester fibres

摘要

Monoazo dispersion dyes of formula (I) (in which R is an opt. substd. hydrocarbon gp.; R' is a hydrocarbon gp.; Y is acyl). Dyeing or printing of synthetic textiles, esp. aromatic polyesters, in bluish-red shades. Also for melt-colouring of polymers. Good dyeing properties and high strength, with good fastness, esp. to sublimation or dry-heat fixing.