Vat dye mixt. for dyeing cotton grey or black - contg. bis-anthraquinonyl:amino-poly:cyclic cpd., and C.I. Vat Black 25, Blue 20 and Green 3

摘要

Novel dye mixts. contains: (A) a bis-(anthraquinon-l-ylamino)-nonacyclic diketone of formula (I); (B) C.I. Vat Black 25 (C.I.69525); (C) C.I. Vat Blue 20 (C.I. 59800); (D) C.I. Vt Green 3 (C.I. 69500); and opt. (E) C.I. Vat Green 1 (C.I. 59825). The dye mixts. contain 15-35 (pref. 20-25)% (A), 25-50 (pref. 35-40)% (B), 25-50 (pref. 35-40)% (C) and 2-15 (pref. 5-10)% (D). USE/ADVANTAGE - For dyeing or printing textiles of cellulose fibres, opt. blended with synthetic fibres. Fibres blended with cellulose are e.g. polyester, polyamide or polyurethane. The mixts. give a full range of black and grey tones. Dyeings have good light fastness with bright tones, give satisfactory coverage of dead and unripe cotton, have good soaping behaviours, etc.