Fabric care compositions, process of making, and method of use comprising primary particles comprising cationic polymer and anionic surfactants

• US 8,193,141 B2
• Filed: 08/28/2009
• Issued: 06/05/2012
• Est. Priority Date: 08/28/2008
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Corona, Alessandro III, Everingham, Brian W., Frankenbach, Gayle Marie, Panandiker, Rajan Keshav, Schubert, Beth Ann, Sivik, Mark Robert, Vetter, Kerry Andrew, Waning, Gregory Thomas
• Primary Examiner(s): Mruk, Brian P
• Application Number:
  US12/549,418
• Publication Number:
  US 20100056419A1
• Time in Patent Office: 1,012 Days
• Field of Search: 510/298, 510/349, 510/445, 510/475, 510/492, 510/504
• US Class Current: 510/298
• CPC Class Codes: C11D 17/003 Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
• CPC Class Codes: C11D 2111/44 Multi-step processes
• CPC Class Codes: C11D 2111/46 applying energy, e.g. irradiation
• CPC Class Codes: C11D 3/0021 Dye-stain or dye-transfer inhibiting compositions
• CPC Class Codes: C11D 3/227 with nitrogen-containing groups
• CPC Class Codes: C11D 3/3723 Polyamines or polyalkyleneimines
• CPC Class Codes: C11D 3/3773 in liquid compositions
• CPC Class Codes: C11D 3/3776 Heterocyclic compounds, e.g. lactam

Abstract

The instant disclosure relates to stable color maintenance and/or rejuvenation compositions comprising at least one cationic polymer and anionic surfactant, and methods for providing the same.

Claims

1. A fabric care composition comprising

a. a structured phase, said structured phase comprising primary particles comprising cationic polymer and anionic surfactant, wherein from about 50% to about 100% of said primary particles have a particle size of from about 2 μ

m to about 10 μ

m; and

b. from 0.001% to 1.0% of a structurant;

wherein said cationic polymer is selected from poly(diallyldimethylammonium chloride-co-acrylic acid), poly(diallyldimethyl ammonium chloride), terpolymer of dimethylamine-epichlorohydrin-ethylenediamine, poly(acrylamide-methacrylamidopropyltrimethyl ammonium chloride), poly(acrylamide-co-N,N-dimethyl aminoethyl acrylate) and its quaternized derivatives, poly(acrylamide-co-methacryloyloxyethyltrimethyl ammonium methylsulfate), or mixtures thereof;

wherein said anionic surfactant is selected from linear alkyl benzene sulfonate, alkyl ethoxylate sulfate, or mixtures thereof;

and wherein said structurant is a hydrogenated castor oil.

2. A composition according to claim 1, wherein said composition comprises from about 0.005% to about 30% by weight of said cationic polymer.

3. A composition according to claim 1 wherein said cationic polymer comprises poly(diallyldimethylammonium chloride-co-acrylic acid).

4. A composition according to claim 1, wherein said cationic polymer has a charge density of from about 0.05 to about 25 meq/g as measured at a pH of 7.

5. A composition according to claim 1, wherein said cationic polymer has a weight average molecular weight of from about 500 to about 10,000,000 Daltons.

6. A composition according to claim 1, wherein said cationic polymer has a weight-average molecular weight 500 Daltons to about 37,500 Daltons and a charge density from about 0.1 to about 12 meq/g.

7. A composition according to claim 1, wherein said anionic surfactant comprises alkyl ethoxylate sulfate.

8. A composition according to claim 1, wherein said composition comprises, by weight of said composition, from about 0.01% to about 5% nonionic surfactant.

9. A composition according to claim 1, wherein said composition comprises, by weight of said composition, from about 0.01% to about 5% linear alkyl benzene sulfonate.

10. A composition according to claim 1, wherein said HLB of said anionic surfactant is from about 7 to about 11.

11. A composition according to claim 1, wherein said composition comprises an ACD:

CCD ratio, based on said anionic surfactant and cationic polymer in said composition, of from about from about 100 to about 0.01.

12. A composition according to claim 1, wherein said composition comprises an organosilicone.

13. A composition according to claim 12 wherein said organosilicone is selected from the group consisting of aminosilicone, silicone polyether, silicone urethane, and combinations thereof.

14. A composition according to claim 1, wherein said composition has a pouring viscosity of from about 10 to about 20,000 centipoises at 20/sec.

15. A composition according to claim 1 wherein said composition has a resting viscosity of from about 10,000 to about 225,000 cps at 0.05/s.

16. A composition according to claim 1 having a G′

of from about 0.5 Pa to about 50,000 Pa as determined from a strain sweep at 3.142 rad/sec, and a G″

of from about 0.5 Pa to about 50,000 Pa, as determined from a strain sweep at 3.142 rad/sec.

17. A composition according to claim 1, wherein said primary particles have a refractive index on a fiber of from about 1.33 to about 1.6.

18. A composition according to claim 1, wherein said composition, under wash conditions comprises a particle size of from about 0.005 μ

m to about 1000 μ

m.

19. A composition according to claim 1, wherein said composition under wash conditions, comprises a coacervate having an elastic and viscous modulus of from about 10 to about 1,000,000 Pa as measured using the Test Methods.