Process for printing textile fibre materials in accordance with the ink-jet printing process
AssigneeCiba Specialty Chemicals Corporation
InventorsRoger Lacroix, Mickael Mheidle, Peter Scheibli
Life of this patent
Estimating the term…
Abstract
A process for printing textile fiber materials in accordance with the ink-jet printing process, wherein the fiber materials are printed with an aqueous ink comprising a) at least one reactive dye of formulae (1a) to (1i) as indicated herein and b) 1,2-propylene glycol or N-methyl-2-pyrrolidone. The process is especially suitable for printing cellulosic fiber materials. The prints obtained have good fastness properties while having a high color yield.
Claims14
A process for printing textile fibre materials in accordance with the ink-jet printing process, wherein the fibre materials are printed with an aqueous ink comprising
- a) at least one reactive dye of formulae ##STR10## wherein Z and Z' are each independently of the other vinyl or a radical of the formula --CH.sub.2 --CH.sub.2 OSO.sub.3 H,
- B.sub.1 and B.sub.2 are each a C.sub.2 -C.sub.12 alkylene radical which may be interrupted by 1, 2 or 3 --O-- members and is unsubstituted or substituted by hydroxy, sulfo, sulfato, oyano or by carboxy and
- CuPhC is a copper phthalocyanine radical, and
- b) 1,2-propylene glycol or N-methyl-2-pyrrolidone with the proviso that said ink does not contain any substantial amount of a compound of the formula S(CH.sub.2 CH.sub.2 OH).sub.2.
Dependencies are inferred from the claim text.