Method of dyeing or printing cellulose-containing fibre materials using disperse dyes

1 . A method of dyeing or printing cellulose-containing fibre material using a disperse dye which comprises treating the fibre material with an aqueous composition comprising a water-soluble or water-dispersible polyester resin and a water-soluble or water-dispersible acrylate binder.

2 . A method according to claim 1 , wherein the disperse dye corresponds to formula

wherein

R 1 is halogen, nitro or cyano,

R 2 is hydrogen, halogen, nitro or cyano,

R 3 is hydrogen, halogen or cyano,

R 4 is hydrogen, halogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy,

R 5 is hydrogen, halogen or C 2 -C 4 alkanoylamino and

R 6 and R 7 are each independently of the other hydrogen, allyl, or C 1 -C 4 alkyl unsubstituted or substituted by hydroxy, cyano, C 1 -C 4 alkoxy, C 1 -C 4 alkoxy-C 1 -C 4 alkoxy, C 2 -C 4 alkanoyloxy, C 1 -C 4 alkoxycarbonyl, phenyl or by phenoxy,

wherein

R 8 is hydrogen, phenyl or phenylsulfonyl, the benzene ring in phenyl and phenylsulfonyl being unsubstituted or substituted by C 1 -C 4 alkyl, sulfo or by C 1 -C 4 alkylsulfonyloxy,

R 9 is unsubstituted or C 1 -C 4 alkyl-substituted amino or is hydroxy,

R 10 is hydrogen or C 1 -C 4 alkoxy,

R 11 is hydrogen, C 1 -C 4 alkoxy, phenoxy or the radical —O—C 6 H 5 —SO 2 —NH—(CH 2 ) 3 —O—C 2 H 5 ,

R 12 is hydrogen, hydroxy or nitro and

R 13 is hydrogen, hydroxy or nitro,

wherein

R 14 is C 1 -C 4 alkyl unsubstituted or substituted by hydroxy or by phenyl or is phenyl,

R 15 is C 1 -C 4 alkyl,

R 16 is cyano,

R 17 is a radical of formula —(CH 2 ) 3 —O—(CH 2 ) 2 —O—C 6 H 5 , phenyl, or C 1 -C 4 alkyl substituted by hydroxy or by phenyl,

R 18 is halogen, nitro or cyano and

R 19 is hydrogen, halogen, nitro, trifluoromethyl or cyano,

wherein

R 20 is C 1 -C 4 alkyl,

R 21 is C 1 -C 4 alkyl unsubstituted or substituted by C 1 -C 4 alkoxy and

R 22 is the radical —COOCH 2 CH 2 OC 6 H 5 and R 23 is hydrogen or

R 22 is hydrogen and R 23 is —N═N—C 6 H 5 ,

wherein the rings A and B are unsubstituted or mono- or poly-substituted by halogen,

wherein

R 24 is C 1 -C 4 alkyl unsubstituted or substituted by hydroxy, C 1 -C 4 alkoxy, C 1 -C 4 alkoxy-C 1 -C 4 alkoxy C 2 -C 4 alkanoyloxy or by C 1 -C 4 alkoxycarbonyl,

wherein

R 25 is C 1 -C 4 alkyl,

R 26 is C 1 -C 4 alkyl unsubstituted or substituted by C 1 -C 4 alkoxy,

R 27 is hydrogen, C 1 -C 4 alkoxy or halogen and

R 28 is hydrogen, nitro, halogen or phenylsulfonyloxy,

wherein

R 29 , R 30 , R 3 , and R 32 are each independently of the others hydrogen or halogen,

R 33 is hydrogen, halogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy,

R 34 is hydrogen, halogen or acylamino and

R 35 and R 36 are each independently of the other hydrogen, or C 1 -C 4 alkyl unsubstituted or substituted by hydroxy, cyano, acetoxy or by phenoxy,

or the dye of formula

wherein

R 37 is hydrogen or halogen,

wherein

R 38 is hydrogen, C 1 -C 4 alkyl, tetrahydrofuran-2-yl, or a C 1 -C 4 alkoxycarbonyl radical unsubstituted or substituted in the alkyl moiety by C 1 -C 4 alkoxy,

wherein

R 39 is hydrogen, or thiophenyl unsubstituted or substituted in the phenyl moiety by C 1 -C 4 alkyl or by C 1 -C 4 alkoxy,

R 40 is hydrogen, hydroxy, amino, or phenylcarbonylamino wherein the phenyl moiety is unsubstituted or substituted by C 1 -C 4 alkyl,

R 41 is hydrogen, halogen, cyano, or thiophenyl, phenoxy or phenyl each of which is unsubstituted or substituted in the phenyl moiety by C 1 -C 4 alkyl or by C 1 -C 4 alkoxy and R 42 is phenyl unsubstitued or substited in the phenly moity be halogen, C 1 -C 4 alkyl or by C 1 -C 4 alkoxy,

wherein

R 43 is hydrogen or C 1 -C 4 alkyl,

R 44 and R 45 are each independently of the other hydrogen, halogen, nitro or cyano,

R 46 is hydrogen, halogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy,

R 47 is hydrogen, halogen or C 2 -C 4 alkanoylamino and

R 48 and R 49 are each independently of the other hydrogen, or C 1 -C 4 alkyl unsubstituted or substituted by hydroxy, cyano, C 1 -C 4 alkoxy, C 1 -C 4 alkoxy-C 1 -C 4 alkoxy, C 2 -C 4 alkanoyloxy, C 1 -C 4 alkoxycarbonyl, phenyl or by phenoxy, or

wherein

R 50 is hydrogen or C 1 -C 4 alkyl,

R 51 is phenyl or phenylcarbonyl, in each of which the phenyl moiety may be substituted by C 1 -C 4 alkyl,

R 52 and R 53 are each independently of the other hydrogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy and

R 54 is hydrogen or C 1 -C 4 alkyl.

3 . A method according to claim 1 , wherein the aqueous composition additionally comprises a crosslinking agent.

4 . A method according claim 1 , wherein the aqueous composition additionally comprises an agent imparting soft-handle properties.

5 . A method according to claim 1 , wherein the treatment of the fibre material with the aqueous composition is carried out as a pretreatment prior to the material being brought into contact with the disperse dye.

6 . A method according to claim 5 , wherein the fibre material impregnated with the aqueous composition in a pretreatment step is dried and the applied polymer matrix is condensed.

7 . A method according to claim 1 , wherein, after the dyeing procedure, a further treatment of the fibre material with the aqueous composition is carried out.

8 . A method according to claim 1 , wherein the cellulose-containing fibre material is a fibre blend.

9 . A method according to claim 1 , wherein the cellulose-containing fibre material is a fibre blend consisting of cellulose and polyester.

10 . A method according to claim 1 , wherein the ratio by weight of polyester resin to acrylate binder in the composition is from 4:1 to 1:1.