Preparations comprising disperse dye and/or UV absorber

1. A dispersant for dispersing disperse dyes or UV absorbers comprising a polycarboxylate ether and wherein the polycarboxylate ether has a molecular weight from 5,000 to 50,000.

2. A preparation comprising a disperse dye and/or a UV absorber, further comprising a polycarboxylate ether as a dispersant and wherein the polycarboxylate ether has a molecular weight from 5,000 to 50,000.

3. The preparation as claimed in claim 2 comprising 1 to 50 weight percent of a disperse dye and/or of a UV absorber and 1 to 25 weight percent of a polycarboxylate ether.

4. The preparation as claimed in claim 2 , wherein the disperse dye is a monoazo, anthraquinone, quinophthalone, methine or coumarin disperse dye.

5. The preparation as claimed in claim 2 , wherein the disperse dye is an azo dye of the formula (I)

where

A represents the residue of a diazo component

R 1 represents hydrogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy, —NHCO(C 1 -C 4 )-alkyl, —NHSO 2 (C 1 -C 4 )-alkyl or halogen;

R 2 represents hydrogen, (C 1 -C 4 )-alkyl or (C 1 -C 4 )-alkoxy; and

R 3 and R 4 independently represent hydrogen, (C 2 -C 4 )-alkenyl, (C 1 -C 4 )-alkyl or (C 1 -C 4 )-alkyl substituted by cyano, hydroxyl, phenoxy, (C 1 -C 4 )-alkoxy, —OCO(C 1 -C 4 )-alkyl, —OCOphenyl, —COO(C 1 -C 4 )-alkyl, —OCOO(C 1 -C 4 )-alkyl or —OCOOphenyl;

or an anthraquinone dye of the formula (V)

wherein

D 1 and D 2 independently represent hydrogen, hydroxyl, amino or nitro;

D 3 and D 4 independently represent hydroxyl, amino or —NHR 5 ;

D 5 and D 6 independently represent hydrogen, halogen, cyano, (C 1 -C 6 )-alkoxy, hydroxy-(C 1 -C 6 )-alkoxy, phenoxy-(C 1 -C 6 )-alkoxy, phenoxy, phenoxy substituted by (C 1 -C 4 )-alkyl, cyano-(C 1 -C 6 )-alkyl, hydroxyl, halogen, (C 1 -C 4 )-alkoxy or (C 1 -C 4 )-alkyl-COO—(C 1 -C 4 )-alkyl, phenyl, phenyl substituted by hydroxyl, (C 1 -C 4 )-alkyl or (C 1 -C 4 )-alkoxy, —SO 2 Ophenyl, —CO(C 1 -C 4 )-alkyl or —COO(C 1 -C 4 )-alkyl; and

R 5 represents (C 1 -C 4 )-alkyl, hydroxy-(C 1 -C 4 )-alkyl, phenyl, phenyl substituted by (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy, hydroxy-(C 1 -C 4 )-alkyl, —OSO 2 (C 1 -C 4 )-alkyl or halogen, —SO 2 -phenyl or —SO 2 -phenyl substituted by (C 1 -C 4 )-alkyl in the phenyl radical;

or where

D 5 and D 6 together represent —CONR 5′ CO— and combine with the joining carbon atoms to form a five-membered ring, where

R5′ represents (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy-(C 2 -C 4 )-alkyl or (C 1 -C 4 )-alkoxy-(C 2 -C 4 )-alkoxy-(C 2 -C 4 )-alkyl;

or a quinophthalone dye of the formula (VI)

where

R 6 represents hydrogen or halogen;

R 7 represents hydrogen or —COOR 8 , and

R 8 represents hydrogen, (C 1 -C 4 )-alkyl or (C 1 -C 4 )-alkoxy-(C 1 -C 4 )-alkoxy;

or a methine dye of the formulae (VII), (VIIb), (VIIc) or (VIId)

where

L 1 represents a 5- or 6-membered carbocyclic or heterocyclic radical and

R 30 represents (C 1 -C 20 )-alkyl, which may be straight chain and branched;

where

L 2 represents aryl and

R 31 represents hydrogen, (C 1 -C 20 )-alkyl or (C 2 -C 20 )-alkenyl;

where

R 32 represents hydrogen or (C 1 -C 4 )-alkyl,

R 33 and R 34 independently represent (C 1 -C 20 )-alkyl, which may be straight chain and branched.

6. The preparation as claimed in claim 5 , wherein R 6 represents bromine.

7. The preparation as claimed in claim 5 , wherein A conforms to the formula (II)

where

T 1 and T 2 independently represent hydrogen, halogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy, cyano, —SO 2 (C 1 -C 4 -alkyl) or nitro; and

T 3 and T 4 independently represent hydrogen, halogen, trifluoromethyl, cyano, —SO 2 CH 3 , —SCN or nitro;

or to the formula (III)

where

T 5 and T 5′ independently represent hydrogen or halogen; and

T 6 represents hydrogen, —SO 2 CH 3 , —SCN, (C 1 -C 4 )-alkoxy, halogen or nitro;

or to the formula (IV)

where

T 12 represents hydrogen or halogen;

or to the formula (IVa)

where

T 7 represents nitro, —CHO, cyano, —COCH 3 or a group of the formula

where T 10 represents hydrogen, halogen, nitro or cyano;

T 8 represents hydrogen, (C 1 -C 6 )-alkyl or halogen; and

T 9 represents nitro, cyano, —COCH 3 or —COOT 11 ; where T 11 represents (C 1 -C 4 )-alkyl.

8. The preparation as claimed in claim 2 , wherein the UV absorber is a benzotriazole of the formula (VIII)

where

R 9 represents hydrogen, halogen, (C 1 -C 12 )-alkyl, (C 2 -C 12 )-alkenyl, (C 1 -C 12 )-alkoxy or (C 2 -C 12 )-alkenoxy;

R 10 represents hydrogen, halogen, (C 1 -C 12 )-alkyl, (C 2 -C 12 )-alkenyl, (C 1 -C 12 )-alkoxy, (C 2 -C 12 )-alkenoxy, aryl-(C 1 -C 4 )-alkyl, aryl-(C 1 -C 4 )-alkyl, where the aryl group is substituted,

or a group of the formula (IX)

R 11 represents hydrogen, hydroxyl, (C 7 -C 10 )-aralkyloxy, benzoyloxy or substituted benzoyloxy; and

R 12 represents hydrogen, halogen, benzoyl, substituted benzoyl, (C 1 -C 12 )-alkyl, (C 2 -C 12 )-alkenyl, (C 1 -C 12 )-alkoxy, (C 7 -C 10 )-aralkyl, (C 2 -C 12 )-alkenoxy or a group of the formula (IX);

R 13 represents hydrogen, (C 1 -C 10 )-alkyl, (C 2 -C 12 )-alkenyl, —CO(C 1 -C 10 )-alkyl, —CO(C 2 -C 12 )-alkenyl, (C 5 -C 8 )-cycloalkyl, (C 7 -C 10 )-aralkyl or (C 6 -C 10 )-aryl;

R 14 represents (C 1 -C 20 )-alkyl, (C 2 -C 17 )-alkenyl, (C 5 -C 8 )-cycloalkyl, (C 7 -C 10 )-aralkyl, (C 6 -C 10 )-aralkenyl or (C 6 -C 10 )-aryl; and

n represents 1 or 2;

and when n is =1, R 13 and R 14 may combine with their supporting atoms to form a mono- or polynuclear 5- to 8-membered heterocycle;

or a triazine of the formula (X)

where

R 15 represents (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy, halogen or hydroxyl;

R 16 and R 17 independently represent (C 1 -C 4 )-alkylthio, (C 1 -C 4 )-alkoxy, (C 1 -C 18 )-alkyl, hydroxyl-, halogen-, (C 1 -C 4 )-alkoxy-, (C 1 -C 4 )-alkylthio-, amino- or mono- or di-(C 1 -C 4 )-alkylamino-substituted (C 1 -C 18 )-alkyl, phenyl or chlorine-, hydroxyl-, (C 1 -C 4 )-alkyl- or (C 1 -C 8 )-alkoxy-mono-substituted or -polysubstituted phenyl; and

m represents 0, 1 or 2.

9. The preparation as claimed in claim 2 , wherein the polycarboxylate ether is a copolymer derived from acrylic acid and/or methacrylic acid and esterified with polyether glycols.

10. The preparation as claimed in claim 2 , wherein the polycarboxylate ether comprises the structural repeat units A, B and C,

wherein

the structural repeat unit A conforms to the formula (XIa), (XIb) or (XIc)

wherein

R 18 represents hydrogen or (C 1 -C 20 )-alkyl;

X represents —OM a , —O—(C p H 2p O) q —R 19 and/or —NH—(C p H 2p O) q —R 19 ;

Y represents O or NR 19 ;

M represents hydrogen, a uni- or bivalent metal cation, ammonium or an organic amine radical;

R 19 represents hydrogen, (C 1 -C 20 )-alkyl, (C 2 -C 20 )-alkenyl, (C 5 -C 8 )-cycloalkyl, (C 6 -C 14 )-aryl, hydroxyl-, carboxyl- or sulfo-substituted (C 6 -C 14 )-aryl;

p represents a whole number from 2 to 4;

q represents a number from 0 to 200;

and

a represents 1 when M represents a univalent cation and represents ½ when M represents a bivalent cation;

the structural repeat unit B conforms to the formula (XII)

where

p, q and R 19 are each as defined above and

R 20 represents hydrogen or (C 1 -C 5 )-alkyl or (C 2 -C 5 )-alkenyl;

and

the structural repeat unit C conforms to the formula (XIIIa) or (XIIIb)

where

R 21 represents hydrogen or methyl;

U represents hydrogen, —COOM a or —COOR 22 ;

Q represents —COOR 22 ;

R 22 represents (C 3 -C 20 )-alkyl, (C 3 -C 20 )-alkenyl, (C 5 -C 8 )-cycloalkyl, or (C 6 -C 14 )-aryl;

R 19 is as defined above,

V represents a polydimethylsiloxane radical of the formula (XVI) or —O—CO—C 6 H 4 —CO—O—; and

z represents a value from 0 to 4.

11. The preparation as claimed in claim 10 , wherein R 22 represents (C 3 -C 20 )-alkyl, (C 3 -C 20 )-alkenyl, cyclopentyl, cyclohexyl, phenyl or naphthyl.

12. The preparation as claimed in claim 7 , wherein the polycarboxylate ether comprises the structural repeat units A, B and C,

wherein

the structural repeat unit A conforms to the formula (XIa), (XIb) or (XIc)

wherein

R 18 represents hydrogen or (C 1 -C 20 )-alkyl;

X represents —OM a , —O—(C p H 2p O) q —R 19 and/or —NH—(C p H 2p O) q —R 19 ;

Y represents O or NR 19 ;

M represents hydrogen, a uni- or bivalent metal cation, ammonium or an organic amine radical;

R 19 represents hydrogen, (C 1 -C 20 )-alkyl, (C 2 -C 20 )-alkenyl, (C 5 -C 8 )-cycloalkyl, (C 6 -C 14 )-aryl, hydroxyl-, carboxyl- or sulfo-substituted (C 6 -C 14 )-aryl;

p represents a whole number from 2 to 4;

q represents a number from 0 to 200;

and

a represents 1 when M represents a univalent cation and represents ½ when M represents a bivalent cation;

the structural repeat unit B conforms to the formula (XII)

where

p, q and R 19 are each as defined above and

R 20 represents hydrogen or (C 1 -C 5 )-alkyl or (C 2 -C 5 )-alkenyl;

and

the structural repeat unit C conforms to the formula (XIIIa) or (XIIIb)

where

R 21 represents hydrogen or methyl;

U represents hydrogen, —COOM a or —COOR 22 ;

Q represents —COOR 22 ;

R 22 represents (C 3 -C 20 )-alkyl, (C 3 -C 20 )-alkenyl, (C 5 -C 8 )-cycloalkyl, or (C 6 -C 14 )-aryl;

R 19 is as defined above,

V represents a polydimethylsiloxane radical of the formula (XVI) or —O—CO—C 6 H 4 —CO—O—; and

z represents a value from 0 to 4.

13. The preparation as claimed in claim 8 , wherein the polycarboxylate ether comprises the structural repeat units A, B and C,

wherein

the structural repeat unit A conforms to the formula (XIa), (XIb) or (XIc)

wherein

R 18 represents hydrogen or (C 1 -C 20 )-alkyl;

X represents —OM a , —O—(C p H 2p O) 9 —R 19 and/or —NH—(C p H 2p O) q —R 19 ;

Y represents O or NR 19 ;

M represents hydrogen, a uni- or bivalent metal cation, ammonium or an organic amine radical;

R 19 represents hydrogen, (C 1 -C 20 )-alkyl, (C 2 -C 20 )-alkenyl, (C 5 -C 8 )-cycloalkyl, (C 6 -C 14 )-aryl, hydroxyl-, carboxyl- or sulfo-substituted (C 6 -C 14 )-aryl;

p represents a whole number from 2 to 4;

q represents a number from 0 to 200;

and

a represents 1 when M represents a univalent cation and represents ½ when M represents

a bivalent cation;

the structural repeat unit B conforms to the formula (XII)

where

p, q and R 19 are each as defined above and

R 20 represents hydrogen or (C 1 -C 5 )-alkyl or (C 2 -C 5 )-alkenyl;

and

the structural repeat unit C conforms to the formula (XIIIa) or (XIIIb)

where

R 21 represents hydrogen or methyl;

U represents hydrogen, —COOM a or —COOR 22 ;

Q represents —COOR 22 ;

R 22 represents (C 3 -C 20 )-alkyl, (C 3 -C 20 )-alkenyl, (C 5 -C 8 )-cycloalkyl, or (C 6 -C 14 )-aryl;

R 19 is as defined above,

V represents a polydimethylsiloxane radical of the formula (XVI) or —O—CO—C 6 H 4 —CO—O—; and

z represents a value from 0 to 4.

14. The preparation as claimed in claim 5 , wherein the disperse dye is an azo dye of the formula (I).

15. The preparation as claimed in claim 5 , wherein the disperse dye is an anthraquinone dye of the formula (V).

16. The preparation as claimed in claim 5 , wherein the disperse dye is a quinophthalone dye of the formula (VI).

17. The preparation as claimed in claim 5 , wherein the disperse dye is a methine dye of the formulae (VII), (VIIb), (VIIc), or (VIId).

18. The preparation as claimed in claim 8 , wherein the UV absorber is a benzotriazole of the formula (VIII).

19. The preparation as claimed in claim 8 , wherein the UV absorber is a triazine of the formula (X).

20. The preparation as claimed in claim 2 , wherein

the disperse dye is

C.I. Disperse Yellow 42, 51, 54, 64, 65, 71, 86, 108, 114 or 163;

C.I. Disperse Orange 29, 30, 32 or 157;

C.I. Disperse Red 82, 86, 91, 92, 127, 146, 159, 167, 184, 191, 202, 258, 279, 302 or 381;

C.I. Disperse Violet 28, 35, 57 or 93;

C.I. Disperse Blue 27, 54, 56, 60, 73, 077, 79, 87, 197, 198, 214, 291, 333 or 379; or

C. I. Disperse Brown 19.