Detergent composition comprising a cationic polymer and anionic/nonionic surfactant mixture
Fabric care compositions comprising a cationic polymer, a silicone, and a surfactant system. Methods of making and using such compositions.
1. A laundry detergent composition comprising a cationic polymer, a silicone, and a surfactant system,
wherein said cationic polymer comprises:
(i) from about 5 mol % to about 45 mol % of a first structural unit derived from (meth)acrylamide;
(ii) from about 70 mol % to about 85 mol % of a second structural unit, wherein said second structural unit is derived from a cationic monomer selected from the group consisting of diallyl dimethyl ammonium salts (DADMAS), acrylamidopropyl trimethyl ammonium salts (APTAS), quaternized vinylimidazole (QVi), and mixtures thereof; and
wherein said cationic polymer is characterized by a molecular weight of from about 5 kDaltons to about 200 kDaltons; and
wherein said surfactant system comprises anionic surfactant and nonionic surfactant in a ratio of from about 1.1:1 to about 4:1,
wherein said anionic surfactant comprises linear alkyl benzene sulfate (LAS) and alkyl ether sulfate (AES), and
wherein the nonionic surfactant comprises one or more ethoxylated alcohols;
wherein said detergent composition further comprises an adjunct selected from microencapsulates, enzymes, a soil release polymer, a hueing agent, or combinations thereof.
2. A detergent composition according to claim 1 , wherein (i) and (ii) total to 100 mol %.
3. A detergent composition according to claim 1 , wherein said cationic polymer comprises from about 15 mol % to about 30 mol % of said first structural unit.
4. A detergent composition according to claim 1 , wherein said cationic polymer comprises from about 70 mol % to about 85 mol % of said second structural unit.
5. A detergent composition according to claim 1 , wherein said cationic polymer comprises from 0.01 mol % to about 15 mol % of a third structural unit derived from acrylic acid.
6. A detergent composition according to claim 1 , wherein said cationic polymer is characterized by a molecular weight of from about 15 kDaltons to about 100 kDaltons.
7. A detergent composition according to claim 1 , wherein said cationic polymer is characterized by a molecular weight of from about 20 kDaltons to about 50 kDaltons.
8. A detergent composition according to claim 1 , wherein said cationic polymer is substantially free of any silicone-derived structural unit.
9. A detergent composition according to claim 1 , wherein said silicone is an aminosilicone.
10. A detergent composition according to claim 1 , wherein said silicone is present as a nanoemulsion, wherein said nanoemulsion is characterized by a mean particle size of from about 10 nm to about 500 nm.
11. A detergent composition according to claim 1 , wherein said ratio of anionic surfactant to nonionic surfactant is from about 1.5:1 to about 2.5:1.
12. A detergent composition according to claim 1 , wherein said LAS and said AES are present in a ratio of from about 0.5:1 to about 1.5:1.
13. A detergent composition according to claim 1 , wherein said detergent composition further comprises from about 0.1% to about 4%, by weight of the composition, of fatty acid and/or a salt thereof.
14. A detergent composition according to claim 1 , wherein said detergent composition is substantially free of fatty acid.
15. A detergent composition according to claim 1 , wherein said detergent composition is substantially free of cationic surfactant.
16. A detergent composition according to claim 1 , wherein said detergent composition further comprises an external structuring system comprising non-polymeric crystalline hydroxy-functional structurants, polymeric structurants, or mixtures thereof.
17. A detergent composition according to claim 1 , wherein said microencapsulates are perfume microcapsules.
18. A detergent composition according to claim 1 , wherein said detergent composition is a liquid.
19. A detergent composition according to claim 1 , wherein said detergent composition is encapsulated in a pouch, wherein said pouch comprises water-soluble film.
20. A method of treating a fabric, comprising the step of contacting said fabric with said detergent composition of claim 1 .