Shading composition

1. A composition comprising a mixture of

a) at least one water-soluble phthalocyanine photocatalyst of formula 1(b) and

b) at least one azo dyestuff and/or at least one triphenylmethane dyestuff,

wherein (1b) is

in which

PC is the phthalocyanine ring system;

Me is Zn; Fe(II); Ca; Mg; Na; K; Al-Z 1 ; Si(IV); P(V); Ti(IV); Ge(IV); Cr(VI); Ga(III); Zr(IV); In(III); Sn(IV) or Hf(VI);

Z 1 is a halide; sulfate; nitrate; carboxylate; alkanolate; or hydroxyl ion;

q is 0; 1 or 2;

r is any number from 1 to 4;

Q 2 is hydroxyl; C 1 -C 22 alkyl; branched C 3 -C 22 alkyl; C 2 -C 22 alkenyl; branched C 3 -C 22 alkenyl and mixtures thereof; C 1 -C 22 alkoxy; a sulfo or a carboxyl radical; a radical of the formula

a branched alkoxy radical of the formula

an alkylethyleneoxy unit of the formula an alkylethyleneoxy unit of the formula -(T 1 ) d -(CH 2 ) b (OCH 2 CH 2 ) a —B 3 or an ester of the formula COOR 18 in which

B 2 is hydrogen; hydroxyl; C 1 -C 30 alkyl; C 1 -C 30 alkoxy; —CO 2 H; —CH 2 COOH; —SO 3 − M 1 ; —OSO 3 − M 1 ;

—PO 3 2− M 1 ; —OPO 3 2− M 1 ; and mixtures thereof;

B 3 is hydrogen; hydroxyl; —SO 3 − M 1 ; —OSO 3 − M 1 ,—COOH or C 1 -C 6 alkoxy;

M 1 is a water-soluble cation;

T 1 is —O—; or —NH—;

X 1 and X 4 independently of one another are —O—; —NH—or —N—C 1 -C 5 alkyl;

R 11 and R 12 independently of one another are hydrogen; a sulfo group and salts thereof, a carboxyl group and salts thereof or a hydroxyl group; at least one of the radicals R 11 and R 12 being a sulfo group and salts thereof; a carboxyl group or salts thereof,

Y 2 is —O—; —S—; —NH—or —N—C 1 -C 5 alkyl;

R 13 and R 14 independently of one another are hydrogen; C 1 -C 6 alkyl; hydroxy-C 1 -C 6 alkyl; cyano-C 1 -C 6 alkyl; sulfo- C 1 -C 6 alkyl; carboxy or halogen-C 1 -C 6 alkyl; unsubstituted phenyl or phenyl substituted by halogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy; sulfo or carboxyl or R 13 and R 14 together with the

nitrogen atom to which they are bonded form a saturated 5- or 6-membered heterocyclic ring which may additionally also contain a nitrogen or oxygen atom as a ring member;

R 15 and R 16 independently of one another are C 1 -C 6 alkyl or aryl -C 1 -C 6 alkyl radicals;

R 17 is hydrogen; an unsubstituted C 1 -C 6 alkyl or C 1 -C 6 alkyl substituted by halogen, hydroxyl, cyano, phenyl, carboxyl, carb-C 1 -C 6 alkoxy or C 1 -C 6 alkoxy;

R 18 is C 1 -C 22 alkyl; branched C 3 -C 22 alkyl; C 1 -C 22 alkenyl or branched C 3 -C 22 alkenyl; C 3 -C 22 glycol; C 1 -C 22 alkoxy; branched C 3 -C 22 alkoxy; and mixtures thereof;

M is hydrogen; or an alkali metal ion or ammonium ion,

Z 2 − is a chlorine; bromine; alkylsulfate or aralkylsulfate ion;

a is 0 or 1;

b is from 0 to 6;

c is from 0 to 100;

d is 0; or 1;

e is from 0 to 22;

v is an integer from 2 to 12;

w is 0 or 1;

where the phthalocyanine ring system may also comprise further solubilising groups, wherein the at least one azo dyestuff of formula is sectected from the group consisting of

wherein

X and Y, independently of one another, are each hydrogen; C 1 -C 4 -alkyl or C 1 -C 4 -alkoxy,

R α is hydrogen or aryl,

Z is C 1 -C 4 -alkyl; C 1 -C 4 -alkoxy; halogen; hydroxyl or carboxyl,

n is 1 or 2 and

m is 0, 1 or 2, as well as the corresponding salts thereof and mixtures thereof which composition produces a relative hue angle of 220-320 °, wherein the dyestuff component is degraded when the composition is exposed to sunlight and wherein the degradation rate of the azo dyestuff(s) and/or triphenylmethane dyestuff(s) is at least 1% per 2 hours.

2. The composition according to claim 1 , comprising at least one triphenylmethane dyestuff of formula

3. The composition according to claim 1 , wherein at least one FWA is comprised.

4. A granular formulation comprising a composition according to claim 1 .

5. The granular formulation according to claim 4 comprising

a) from 2 to 75 wt-% of at least one water-soluble phthalocyanine compound and at least one azo dyestuff and/or at least one triphenylmethane dyestuff based on the total weight of the granulate,

b) from 10 to 95 wt-% of at least one further additive, based on the total weight of the granulate, and

c) from 0 to 15 wt-% water, based on the total weight of the granulate.

6. A liquid formulation comprising a composition according to claim 1 .

7. A detergent formulation comprising

I) from 5 to 70 wt-% A) of at least one anionic surfactant and/or B) at least one non-ionic surfactant, based on the total weight of the washing agent formulation,

II) from 5 to 60 wt-% C) of at least one builder substance, based on the total weight of the washing agent formulation,

III) from 0 to 30 wt-% D) of at least one peroxide and, optionally, at least one activator, based on the total weight of the washing agent formulation, and

IV) from 0.001 to 1 wt-% E) of at least one granulate which contains

a) from 2 to 75 wt-% of at least one water-soluble phthalocyanine compound and at least one azo dyestuff and/or at least one triphenylmethane dyestuff as defined in claim 1 , based on the total weight of the granulate,

b) from 10 to 95 wt-% of at least one further additive, based on the total weight of the granulate, and

c) from 0 to 15 wt-% water, based on the total weight of the granulate,

V) from 0 to 60 wt-% F) of at least one further additive, and

VI) from 0 to 5 wt-% G) water.

8. A softener composition comprising

(a) a composition comprising at least one photocatalyst and at least one azo dyestuff and/or at least one triphenylmethane dyestuff, as defined in claim 1 , and

(b) a fabric softener.

9. A shading process for textiles or fabrics comprising treating the textile or fabric with the composition according to claim 1 .

10. Textile treated with a composition as claimed in claim 1 .

11. The composition according to claim 1 , wherein the formula (1b) is the water-soluble phthalocyanine photocatalyst of formula (4)

in which

PC is the phthalocyanine ring system;

Me is Zn; Fe(II); Ca; Mg; Na; K; Al-Z 1 ; Si(IV); P(V); Ti(IV); Ge(IV); Cr(VI); Ga(III); Zr(IV); In(III); Sn(IV) or Hf(VI);

Z 1 is a halide; sulfate; nitrate; carboxylate; alkanolate; or hydroxyl ion;

q is 0; 1; or 2;

Y 3 ′ is hydrogen; an alkali metal ion or ammonium ion; and

r is any number from 1 to 4.

12. The compositions according to claim 11 , wherein the dyestuff is selected from

the group consisting of