Washing and cleaning agents comprising readily soluble capsules
View Patent ↗Aqueous washing and cleaning agents that contain capsules in addition to other constituents, the capsules each encompassing an active ingredient in a matrix. The introduction of a combination of aluminum silicate and silicic acid into the matrix improves the solubility characteristics of the capsules in a washing operation.
1. An aqueous liquid washing or cleaning agent comprising a surfactant and least one capsule, the capsule comprising, encapsulated in a matrix, an active ingredient, an aluminum silicate, and a silicic acid, the aluminum silicate and the silicic acid being present in the matrix in a ratio from 1:10 to 10:1.
2. The aqueous liquid washing or cleaning agent of claim 1 , wherein the aluminum silicate and the silicic acid are present at a ratio from 1:4 to 4:1.
3. The aqueous liquid washing or cleaning agent of claim 2 , wherein the aluminum silicate and the silicic acid are present at a ratio from 2:3 to 4:3.
4. The aqueous liquid washing or cleaning agent of claim 1 , wherein the active ingredient is one or more selected from the group consisting of optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, detergency builders, enzymes, enzyme stabilizers, antimicrobial active substances, graying inhibitors, anti-redeposition agents, pH adjusting agents, soil release polymers, color transfer inhibitors, electrolytes, conditioning oils, abrasive material, skin-care agents, foam inhibitors, vitamins, proteins, preservatives, washing power intensifiers, luster agents, and UV absorbers.
5. The aqueous liquid washing or cleaning agent of claim 1 , wherein the capsule further comprises at least one hollow microsphere.
6. The aqueous liquid washing or cleaning agent of claim 1 , wherein the matrix comprises one or more materials selected from the group consisting of carrageenan, alginate, and gellan gum.
7. The aqueous liquid washing or cleaning agent of claim 1 , wherein the capsule has a diameter from 0.01 to 10,000 μm along its greatest physical extension.
8. A method of cleaning a textile fabric comprising the steps of contacting a textile fabric with a cleaning-effective amount of a liquid washing or cleaning agent, the agent comprising a surfactant and least one capsule, the capsule comprising, encapsulated in a matrix, an active ingredient, an aluminum silicate, and a silicic acid, the aluminum silicate and the silicic acid being present at a ratio from 1:10 to 10:1.
9. The method of claim 8 , wherein the aluminum silicate and the silicic acid are present at a ratio from 1:4 to 4:1.
10. The method of claim 9 , wherein the aluminum silicate and the silicic acid are present at a ratio from 2:3 to 4:3.
11. The method of claim 8 , wherein the capsule further comprises at least one hollow microsphere.
12. The method of claim 8 , wherein the active ingredient is one or more selected from the group consisting of optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, detergency builders, enzymes, enzyme stabilizers, antimicrobial active substances, graying inhibitors, anti-redeposition agents, pH adjusting agents, soil release polymers, color transfer inhibitors, electrolytes, conditioning oils, abrasive material, skin-care agents, foam inhibitors, vitamins, proteins, preservatives, washing power intensifiers, luster agents, and UV absorbers.
13. The method of claim 8 , wherein the matrix comprises one or more materials selected from the group consisting of carrageenan, alginate, and gellan gum.
14. A method of manufacturing an aqueous liquid washing or cleaning agent, comprising combining a surfactant and at least one capsule, wherein the capsule is formed by encapsulating in a matrix an active ingredient, an aluminum silicate, and a silicic acid, wherein the aluminum silicate and the silicic acid are present in the matrix in a ratio from 1:10 to 10:1.
15. The method of claim 14 , wherein the aluminum silicate and the silicic acid are present at a ratio from 1:4 to 4:1.
16. The method of claim 15 , wherein the aluminum silicate and the silicic acid are present at a ratio from 2:3 to 4:3.
17. The method of claim 14 , wherein the active ingredient is one or more selected from the group consisting of optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, detergency builders, enzymes, enzyme stabilizers, antimicrobial active substances, graying inhibitors, anti-redeposition agents, pH adjusting agents, soil release polymers, color transfer inhibitors, electrolytes, conditioning oils, abrasive material, skin-care agents, foam inhibitors, vitamins, proteins, preservatives, washing power intensifiers, luster agents, and UV absorbers.
18. The method of claim 14 , wherein the capsule further comprises at least one hollow microsphere.
19. The method of claim 14 , wherein the matrix comprises one or more materials selected from the group consisting of carrageenan, alginate, and gellan gum.
20. A liquid detergent comprising a capsule, said capsule comprising, encapsulated in a matrix, an active ingredient, an aluminum silicate, and a silicic acid, wherein the matrix comprises the aluminum silicate and the silicic acid in a ratio from 1:10 to 10:1.
21. The liquid detergent of claim 20 , wherein the active ingredient is one or more selected from the group consisting of optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes, fragrances, antioxidants, detergency builders, enzymes, enzyme stabilizers, antimicrobial active substances, graying inhibitors, anti-redeposition agents, pH adjusting agents, soil release polymers, color transfer inhibitors, electrolytes, conditioning oils, abrasive material, skin-care agents, foam inhibitors, vitamins, proteins, preservatives, washing power intensifiers, luster agents, and UV absorbers.
22. The liquid detergent of claim 20 , wherein the aluminum silicate and the silicic acid are present at a ratio from 1:4 to 4:1.
23. The liquid detergent of claim 21 , wherein the aluminum silicate and the silicic acid are present at a ratio from 2:3 to 4:3.
24. The liquid detergent of claim 20 , wherein the capsule further comprises at least one hollow microsphere.
25. The liquid detergent of claim 20 , wherein the matrix comprises one or more materials selected from the group consisting of carrageenan, alginate, and gellan gum.