Composition
A dishwasher detergent composition, preferably pH neutral, and comprising a strong biodegradable builder and optionally a bleach, and optionally a sulfonated polymer.
1. A composition comprising:
up to 15 wt % of a strong biodegradable builder selected from the group consisting of methyl-glycine-diacetic acid and salts thereof, and glutamic-N,N-diacetic acid and salts thereof;
a water-soluble citrate salt;
at least one sulfonated polymer; and
1 to 30 wt % of a bleach;
wherein said composition is a machine dishwashing detergent composition and has a pH in the range of 5.5 to 7.8, when dissolved 1:100 (wt: wt, composition: water) in de-ionised water at 20 ° C.; and
wherein the bleach is selected from at least one of: an inorganic perhydrate;
an organic peracid; and/or salts thereof.
2. The composition according to claim 1 , wherein the sulfonated polymer includes, as a monomer unit, 2-acrylamido-2-methyl-1-propanesulfonic acid.
3. The composition according to claim 1 , wherein the sulfonated polymer is present in an amount of 0.5 wt % to 40 wt %.
4. The composition according to claim 1 , wherein the strong biodegradable builder is present in the composition in an amount of 0.1 wt % to 15 wt %.
5. The composition according to claim 1 , comprising 0.01 to 3 wt % of one or more enzymes.
6. The composition according to claim 1 , wherein the composition is provided without phosphorus-containing compound(s).
7. The composition according to claim 5 , wherein the one or more enzymes are selected from the group consisting of protease, lipase, amylase, cellulase and peroxidase.
8. The composition according to claim 1 , wherein no inorganic secondary builder is present.
9. The composition according to claim 1 , wherein no phosphate is present in the composition.
10. The composition according to claim 1 , comprising citric acid.
11. The composition according to claim 10 , wherein the composition is in the form of a tablet, rod, ball or lozenge, or the composition is in a particulate form which may be loose or pressed to shape, or the composition is formed by injection moulding, casting or extrusion.
12. The composition according to claim 1 , wherein the strong biodegradable builder is selected from the group consisting of methyl-glycine-diacetic acid and salts thereof.
13. The composition according to claim 1 , comprising 4 to 15 wt% of the bleach.
14. The composition according to claim 3 , wherein the sulfonated polymer is present in an amount of 3 wt % to 10 wt %.
15. The composition according to claim 1 , wherein the composition has a pH of 6 to 7.7, when dissolved 1:100 (wt: wt, composition: water) in de -ionised water at 20 ° C.
16. The composition according to claim 15 , wherein the composition has a pH of 7 to 7.6, when dissolved 1:100 (wt: wt, composition: water) in de -ionised water at 20 ° C.