Acidic liquid detergent compositions containing bleach catalyst and free of anionic surfactant
Bleach catalyst detergent compositions are provided. The compositions are suitable for use with additional detergent and/or bleaching compositions while providing bleach catalysts within a detergent composition. The detergent compositions are free of anionic surfactant, are highly aqueous and have a pH of less than 6. Methods of use for cleaning are disclosed.
1. A liquid bleach catalyst detergent composition comprising:
a bleach catalyst;
from about 5 wt. % to about 60 wt. % of a nonionic surfactant; and
at least about 10 wt. % water; wherein said composition has a pH of less than 6 and said composition is free of anionic surfactants,
wherein said composition has all compounds combined together prior to use and is storage stable for up to 28 days.
2. The bleach composition of claim 1 further comprising a catalyst according to the following formula: [(LpMnq)nXr]Ys,
wherein each L independently is an organic ligand containing at least three nitrogen atoms and/or at least two carboxyl groups that coordinate with the Mn metal;
wherein each X independently is a coordinating or bridging group selected from the group consisting of H2O, OH—, SH—, HO2-, O2-, O22-, S2-, F—, Cl—, Br—, I—, NO3-, NO2-, SO42-, SO32-, PO43-, N3-, CN—, NR3, NCS—, RCN, RS—, RCO2-, RO—, and
wherein R is a hydrogen or a C1 to C6 alkyl group;
wherein p is an integer from 1 to 4;
wherein q is an integer from 1 to 2;
wherein r is an integer from 0 to 6;
wherein Y is a counter ion; and
wherein s is the number of counter ions.
3. The detergent composition according to claim 1 , wherein a use solution of the detergent composition provides from about 0.01 ppm to about 5 ppm of the bleach catalyst.
4. The detergent composition according to claim 1 , wherein the nonionic surfactant is an ethoxylated linear alcohol surfactant.
5. The detergent composition according to claim 1 , wherein the catalyst is a complex according to the following formula:
wherein M is Mn; wherein L 1 and L 2 are separate ligands or wherein L 1 and L 2 can combine to be a single molecule.
6. The detergent composition according to claim 1 , further comprising a solvent.
7. The detergent composition according to claim 1 , further comprising an optical brightener.
8. The detergent composition according to claim 1 , further comprising a buffer.
9. The detergent composition according to claim 1 , wherein buffer is acetic acid and/or sodium acetate trihydrate.
10. The detergent composition according to claim 1 , wherein said solvent is propylene glycol.
11. The detergent composition according to claim 1 , comprising from about 0.5-10 wt. % of the bleach catalyst, from about 5-45 wt. % of the nonionic surfactant, and from about 0-30 wt. % of at least one additional functional ingredient.
12. A liquid bleach catalyst detergent composition comprising:
from about 30 wt. % to about 80 wt. % water
from about 5-60 wt. % of at least one surfactant comprising a nonionic surfactant;
from about 0.1-30 wt. % of at least one additional functional ingredient; and
from about 0.5-10 wt. % a bleach catalyst, wherein said composition has a pH of less than 6 and is free of anionic surfactants, has all compounds combined together prior to use, and is storage stable for up to 28 days.
13. The composition of claim 12 wherein said catalyst is according to the following formula: [(LpMnq)nXr]Ys,
wherein each L independently is an organic ligand containing at least three nitrogen atoms and/or at least two carboxyl groups that coordinate with the Mn metal;
wherein each X independently is a coordinating or bridging group selected from the group consisting of H2O, OH—, SH—, HO2-, O2-, O22-, S2-, F—, Cl—, Br—, I—, NO3-, NO2-, SO42-, SO32-, PO43-, N3-, CN—, NR3, NCS—, RCN, RS—, RCO2-, RO—, and
wherein R is a hydrogen or a C1 to C6 alkyl group;
wherein p is an integer from 1 to 4;
wherein q is an integer from 1 to 2;
wherein r is an integer from 0 to 6;
wherein Y is a counter ion; and
wherein s is the number of counter ions.
14. The detergent composition according to claim 12 , wherein the nonionic surfactant is an ethoxylated linear alcohol surfactant.
15. The detergent composition according to claim 12 , wherein the composition has a pH of at least about 4.5.
16. The detergent composition according to claim 12 , further comprising a buffer of acetic acid.
17. A method of cleaning and/or bleaching comprising:
providing the liquid bleach catalyst detergent composition of claim 1 ;
generating a use solution from the detergent composition and an alkaline warewash composition in a warewash machine; and
contacting a surface or object in need of cleaning and/or bleaching with the use solution.
18. The method according to claim 17 , further comprising a solvent.