Aqueous detergent compositions
The present invention is directed to a composition comprising about 0.01 wt % to about 0.5 wt % of a clay, and about 0.01 wt % to about 0.5 wt % of an external structuring agent which is a parenchymal cellulose material; the present invention is also directed to a liquid detergent composition, comprising from about 5 wt % to about 45 wt % of a surfactant, about 0.01 wt % to about 0.5 wt % of a clay, about 0.01 wt % to about 0.5 wt % of an external structuring agent which is a parenchymal cellulose material, and about 0.1 wt % to about 10 wt % of a builder component; and the present invention is further directed to methods of preparing the liquid detergent compositions; and the present invention is moreover directed to a fragrance composition, comprising about 0.1 wt % to about 10 wt % of an encapsulated fragrance component, about 0.01 wt % to about 0.5 wt % of a clay, and about 0.01 wt % to about 0.5 wt % of an external structuring agent.
1. A composition for enhancing the stability of a liquid detergent or liquid fragrance product comprising:
(a) about 0.01 wt % to about 0.5 wt % of a clay;
(b) about 0.01 wt % to about 0.5 wt % of an external structuring agent, comprising particulate cellulose material containing, by dry weight, at least 60% cellulose, 0.5-10% pectin and 1-15% hemicellulose, and has a volume-weighted median particle dimension within the range of 25-75 μm, as measured by laser light diffractometry,
wherein the clay comprises hydrous aluminium phyllosilicates.
2. The composition according to claim 1 , wherein the clay further comprises one of bentonite, pyrophylite, hectorite, saponite, sauconite, nontronite, talc, and beidellite.
3. The composition according to claim 1 , wherein the external structuring agent is obtained by a method comprising:
(a) providing a parenchymal cell containing plant pulp, vegetable pulp, or sugar beet pulp;
(b) subjecting the parenchymal cell containing vegetable pulp to chemical and/or enzymatic treatment resulting in partial degradation and/or extraction of pectin and hemicellulose; and
(c) subjecting the material resulting from step (b) to a high shear process, wherein the particle size of the cellulose material is reduced so as to yield a particulate material having a volume-weighted median major dimension within the range of 25-75 μm, as measured by laser diffraction analysis.
4. A liquid detergent composition comprising:
(a) an aqueous medium;
(b) about 5 wt % to about 45 wt % of a surfactant system;
(c) about 0.01 wt % to about 0.5 wt % of a clay comprising hydrous aluminium phyllosilicates;
(d) about 0.01 wt % to about 0.5 wt % of an external structuring agent, comprising particulate cellulose material containing, by dry weight, at least 60% cellulose, 0.5-10% pectin and 1-15% hemicellulose, and has a volume-weighted median particle dimension within the range of 25-75 μm, as measured by laser light diffractometry.
5. The composition according to claim 4 , wherein the clay further comprises one of bentonite, pyrophylite, hectorite, saponite, sauconite, nontronite, talc, and beidellite.
6. The composition according to claim 4 , wherein the external structuring agent is obtained by a method comprising:
(a) providing a parenchymal cell containing plant pulp, vegetable pulp, or sugar beet pulp;
(b) subjecting the parenchymal cell containing vegetable pulp to chemical and/or enzymatic treatment resulting in partial degradation and/or extraction of pectin and hemicellulose; and
(c) subjecting the material resulting from step (b) to a high shear process, wherein the particle size of the cellulose material is reduced so as to yield a particulate material having a volume-weighted median major dimension within the range of 25-75 μm, as measured by laser diffraction analysis.
7. The liquid detergent composition according to claim 4 , wherein the surfactant system comprises:
(a) about 5 wt % to about 25 wt % of an anionic surfactant; and
(b) about 1 wt % to about 20 wt % of a nonionic surfactant.
8. The liquid detergent composition according to claim 7 , wherein said anionic surfactant is selected from the group consisting of alkyl benzene sulfonate, an α-sulfofatty acid ester salt, an alkyl ether sulfate, and mixtures thereof; and said nonionic surfactant is an alcohol ethoxylate.
9. The liquid detergent composition according to claim 8 wherein the anionic surfactant is a mixture of an α-sulfofatty acid ester salt and an alkyl ether sulfate.
10. The liquid detergent composition according to claim 8 , wherein the anionic surfactant is a mixture of methyl ester sulfonate and sodium lauryl ether sulphate.
11. The liquid detergent composition according to claim 4 , wherein the surfactant system comprises:
(a) about 15 to about 20 wt % of an anionic surfactant selected from the group consisting of alkyl benzene sulfonate, methyl ester sulfonate, sodium lauryl ether sulphate, and mixtures thereof, and about 15 to about 20 wt % of an alcohol ethoxylate;
(b) about 8 to about 12 wt % of an anionic surfactant selected from the group consisting of alkyl benzene sulfonate, methyl ester sulfonate, sodium lauryl ether sulphate, and mixtures thereof, and about 1 to about 5 wt % of an alcohol ethoxylate;
(c) about 5 to about 10 wt % of an anionic surfactant selected from the group consisting of alkyl benzene sulfonate, methyl ester sulfonate, sodium lauryl ether sulphate, and mixtures thereof, and about 4 to about 6 wt % of an alcohol ethoxylate; or
(d) about 10 to about 15 wt % of an anionic surfactant selected from the group consisting of alkyl benzene sulfonate, methyl ester sulfonate, sodium lauryl ether sulphate, and mixtures thereof, and about 1 to about 15 wt % of an alcohol ethoxylate.
12. The liquid detergent composition according to claim 4 , wherein the surfactant system comprises methyl ester sulfonate having the following formula (I):
wherein R 1 is a C 4 to C 24 alkyl, R 2 is methyl, and R 3 is a mono-valent or di-valent cation.
13. The liquid detergent composition according to claim 4 , comprising about 6-40 wt % of the surfactant system.
14. The liquid detergent composition according to claim 4 , further comprising a builder component selected from the group consisting of an organic acid, an alkali metal hydroxide, an amine, and mixtures thereof.
15. The liquid detergent composition according to claim 4 , further comprising a chelator.
16. The liquid detergent composition according to claim 4 , further comprising a fragrance component.
17. A fragrance composition, comprising:
(a) an aqueous medium;
(b) about 0.1 wt % to about 10 wt % of an encapsulated fragrance component;
(c) about 0.01 wt % to about 0.5 wt % of a clay comprising hydrous aluminium phyllosilicates, and
(d) about 0.01 to about 0.5 wt % of an external structuring agent, comprising particulate cellulose material containing, by dry weight, at least 60% cellulose, 0.5-10% pectin and 1-15% hemicellulose, and has a volume-weighted median particle dimension within the range of 25-75 μm, as measured by laser light diffractometry.
18. The composition according to claim 17 , the clay further comprises one of bentonite, pyrophylite, hectorite, saponite, sauconite, nontronite, talc, and beidellite.
19. The composition according to claim 17 , wherein the external structuring agent is obtained by a method comprising:
(a) providing a parenchymal cell containing plant pulp, vegetable pulp, or sugar beet pulp;
(b) subjecting the parenchymal cell containing vegetable pulp to chemical and/or enzymatic treatment resulting in partial degradation and/or extraction of pectin and hemicellulose; and
(c) subjecting the material resulting from step (b) to a high shear process, wherein the particle size of the cellulose material is reduced so as to yield a particulate material having a volume-weighted median major dimension within the range of 25-75 μm, as measured by laser diffraction analysis.
20. The composition according to claim 1 , wherein the clay further comprises one of bentonite, pyrophylite, hectorite, saponite, sauconite, nontronite, and beidellite.