Detergent composition comprising a cationic copolymer containing (meth)acrylamide and diallyl dimethyl ammonium chloride
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 15 mol % to about 30 mol % of a first structural unit derived from (meth)acrylamide;
(ii) from about 70 mol % to about 85 mol % of a second structural unit derived from diallyl dimethyl ammonium chloride (DADMAC); and
wherein said cationic polymer is characterized by a molecular weight of from about 10 kDaltons to about 150 kDaltons; and
wherein said surfactant system is present at a level of from about 1% to about 70%, by weight of the composition, and wherein said surfactant system comprises anionic surfactant and nonionic surfactant in a ratio of from about 1.1:1 to about 4:1.
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 0.01 mol % to about 15 mol % of a third structural unit derived from acrylic acid.
4. A detergent composition according to claim 1 , wherein said cationic polymer comprises 0 mol % acrylic acid.
5. 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.
6. 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.
7. A detergent composition according to claim 1 , wherein said cationic polymer is substantially free of any silicone-derived structural unit.
8. A detergent composition according to claim 1 , wherein said cationic polymer is characterized by a charge density of from about 4 meq/g to about 12 meq/g.
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 anionic surfactant comprises linear alkyl benzene sulfate (LAS) and alkyl ether sulfate (AES).
13. A detergent composition according to claim 12 , wherein said LAS and said AES are present in a ratio of from about 0.5:1 to about 1.5:1.
14. 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.
15. A detergent composition according to claim 1 , wherein said detergent composition is substantially free of fatty acid.
16. A detergent composition according to claim 1 , wherein said detergent composition is substantially free of cationic surfactant.
17. 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.
18. A detergent composition according to claim 1 , wherein said detergent composition further comprises microencapsulates.
19. A detergent composition according to claim 18 , wherein said microencapsulates are perfume microcapsules.
20. A detergent composition according to claim 1 , wherein said detergent composition further comprises an adjunct selected from an enzyme, a soil release polymer, a hueing agent, and combinations thereof.
21. A detergent composition according to claim 1 , wherein said detergent composition is a liquid.
22. A detergent composition according to claim 1 , wherein said detergent composition is encapsulated in a pouch, wherein said pouch comprises water-soluble film.
23. A method of treating a fabric, comprising the step of contacting said fabric with said detergent composition of claim 1 .