Detergent composition comprising a cationic copolymer containing (meth)acrylamide and diallyl dimethyl ammonium chloride

• US 9,771,546 B2
• Filed: 08/25/2015
• Issued: 09/26/2017
• Est. Priority Date: 08/27/2014
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Panandiker, Rajan Keshav, Sivik, Mark Robert, Fossum, Renae Dianna, Birkel, Susanne, Vetter, Nicholas David, Doria, Heather Anne, Barrera, Carola, Aguilera-Mercado, Bernardo, Flores-Figueroa, Aaron
• Primary Examiner(s): BOYER, CHARLES I
• Application Number:
  US14/834,459
• Publication Number:
  US 20160060570A1
• Time in Patent Office: 763 Days
• CPC Class Codes: C11D 1/12 Sulfonic acids or sulfuric acid esters; Salts thereof
• CPC Class Codes: C11D 1/22 derived from aromatic compounds
• CPC Class Codes: C11D 1/66 Non-ionic compounds C11D1/002, C11D1/004, C11D1/008 take precedence
• CPC Class Codes: C11D 1/83 Mixtures of non-ionic with anionic compounds
• CPC Class Codes: C11D 17/043 Liquid or thixotropic (gel) compositions
• CPC Class Codes: C11D 3/001 Softening compositions
• CPC Class Codes: C11D 3/373 containing silicones
• CPC Class Codes: C11D 3/3742 Nitrogen containing silicones
• CPC Class Codes: C11D 3/3769 (Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines

Abstract

Fabric care compositions comprising a cationic polymer, a silicone, and a surfactant system. Methods of making and using such compositions.

Claims

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.