LIQUID TREATMENT COMPOSITION

• US 20090069207A1
• Filed: 09/22/2008
• Published: 03/12/2009
• Est. Priority Date: 03/22/2006
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Depoot, Karel Jozef Maria, Vetter, Kerry Andrew, Panandiker, Rajan Keshav, Dunlop, David Scott, Braeckman, Karl Ghislain, Combs, Mary Jane
• Granted Patent: US 8,236,745 B2
• Time in Patent Office: Days
• US Class Current: 510/296
• CPC Class Codes: C11D 1/74 Carboxylates or sulfonates esters of polyoxyalkylene glycols
• CPC Class Codes: C11D 17/0013 Liquid compositions with insoluble particles in suspension C11D17/0021, C11D17/0026, C11D17/003 take precedence
• CPC Class Codes: C11D 17/003 Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
• CPC Class Codes: C11D 17/043 Liquid or thixotropic (gel) compositions
• CPC Class Codes: C11D 3/0015 liquid
• CPC Class Codes: C11D 3/0089 Pearlescent compositions; Opacifying agents
• CPC Class Codes: C11D 3/12 Water-insoluble compounds
• CPC Class Codes: C11D 3/124 Silicon containing, e.g. silica, silex, quartz or glass beads
• CPC Class Codes: C11D 3/1293 Feldspar; Perlite; Pumice or Portland cement
• CPC Class Codes: C11D 3/2093 Esters; Carbonates
• CPC Class Codes: C11D 3/221 Mono, di- or trisaccharides or derivatives thereof
• CPC Class Codes: C11D 3/222 Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
• CPC Class Codes: C11D 3/225 etherified, e.g. CMC
• CPC Class Codes: C11D 3/227 with nitrogen-containing groups
• CPC Class Codes: C11D 3/3723 Polyamines or polyalkyleneimines
• CPC Class Codes: C11D 3/373 containing silicones
• CPC Class Codes: C11D 3/3734 Cyclic silicones
• CPC Class Codes: C11D 3/3742 Nitrogen containing silicones
• CPC Class Codes: C11D 3/3749 Polyolefins; Halogenated polyolefins; Natural or synthetic rubber; Polyarylolefins or halogenated polyarylolefins
• CPC Class Codes: C11D 3/3765 in liquid compositions
• CPC Class Codes: C11D 3/3773 : in liquid compositions
• CPC Class Codes: C11D 3/3776 : Heterocyclic compounds, e.g. lactam
• CPC Class Codes: C11D 3/382 : Vegetable products, e.g. soya meal, wood flour, sawdust
• CPC Class Codes: C11D 3/40 : Dyes ; Pigments
• CPC Class Codes: C11D 3/42 : Brightening agents ; Blueing agents

Abstract

According to the present invention there is provided a pearlescent liquid treatment composition suitable for use in laundering fabrics comprising a fabric care benefit agent selected from the group consisting of fabric softening agent, colour protection, pill reduction, anti-abrasion, anti-wrinkle agents and mixtures thereof and a pearlescent agent, said pearlescent agent having D0.99 volume particle size of less than 50 μm.

Claims

1. A pearlescent liquid treatment composition suitable for use in laundering fabrics comprising a fabric care benefit agent selected from the group consisting of fabric softening agent, colour protection, pill reduction, anti-abrasion, anti-wrinkle agents and mixtures thereof and a pearlescent agent, said pearlescent agent having D0.99 volume particle size of less than 50 μ

m.

2. A pearlescent liquid treatment composition according to claim 1 additionally comprising a rheology modifier.

3. A pearlescent liquid treatment composition according to claim 1 additionally comprising a deposition aid.

7. A pearlescent liquid treatment composition according to claim 1 wherein the pearlescent agent is an organic pearlescent agent selected from the group having the formula:

wherein R₁ is linear or branched C12-C22 alkyl chain;

R is linear or branched C2-C4 alkylene group;

P is selected from H, C1-C4 alkyl or —

COR₂, R₂ is C4-C22 alkyl; and

n=1-3;

8. A pearlescent liquid treatment composition according to claim 1 wherein the pearlescent agent is an inorganic pearlescent agents selected from the group consisting of mica, metal oxide coated mica, bismuth oxychloride coated mica, bismuth oxychloride, glass, metal oxide coated glass and mixtures thereof.

9. A pearlescent liquid treatment composition according to claim 1 wherein the composition has viscosity of from 1 to 1500 mPa*s at 20-1 at 21°

C.

22. A pearlescent liquid treatment composition according to claim 1 wherein the fabric care benefit agent is selected from the group consisting of silicone derivatives, oily sugar derivatives, dispersible polyolefins, polymer latexes, cationic surfactants and mixtures thereof.

23. A pearlescent liquid treatment composition according to claim 1 wherein the fabric care benefit agent is selected from the group consisting of silicone derivatives, cationic surfactants and mixtures thereof.

25. A pearlescent liquid treatment composition according to claim 3 wherein the deposition aid is selected from cationic polysaccharides, synthetic cationic polymers and mixtures thereof.

28. A pearlescent liquid treatment composition according to claim 1 wherein the difference in refractive index (Δ

N) of the medium in which the pearlescent agent is suspended and the pearlescent agent is greater than 0.02.

29. A pearlescent liquid treatment composition according to claim 1 wherein the composition has turbidity of greater than 5 and less than 3000 NTU.

30. A pearlescent liquid treatment composition according to claim 1 additionally comprising a viscosity modifier selected from non-polymeric crystalline, hydroxy-functional materials, polymeric rheology modifiers which impart shear thinning characteristics to the composition of high shear viscosity at 20 sec⁻

1 at 21°

C. of from 1 to 1500 cps and a viscosity at low shear (0.05 sec<sup>−

1</sup> at 21°

C.) of greater than 5000 cps.

40. A pearlescent liquid treatment composition according to claim 1 wherein the composition is packaged in a water-soluble film.

41. A pearlescent liquid treatment composition according to claim 1 wherein the D0.99 volume particle size of the pearlescent agent is less than 40 μ

m, more preferably less than 30 μ

m.

42. A method for treating a substrate in need of treatment comprising contacting the substrate with a pearlescent liquid treatment composition according to claim 1 such that the substrate is treated.

4. A pearlescent liquid treatment composition suitable for use in laundering fabrics comprising a fabric care benefit agent selected from the group consisting of fabric softening agent, colour protection, pill reduction, anti-abrasion, anti-wrinkle agents and mixtures thereof, a pearlescent agent and a rheology modifier.

5. A pearlescent liquid treatment composition according to any of claim 4 additionally comprising a deposition aid.

10. A pearlescent liquid treatment composition according to claim 4 wherein the pearlescent agent is an organic pearlescent agent selected from the group having the formula:

wherein R₁ is linear or branched C12-C22 alkyl chain;

R is linear or branched C2-C4 alkylene group;

P is selected from H, C1-C4 alkyl or —

COR₂, R₂ is C4-C22 alkyl; and

n=1-3;

11. A pearlescent liquid treatment composition according to claim 4 wherein the pearlescent agent is an inorganic pearlescent agents selected from the group consisting of mica, metal oxide coated mica, bismuth oxychloride coated mica, bismuth oxychloride, glass, metal oxide coated glass and mixtures thereof.

12. A pearlescent liquid treatment composition according to claim 4 wherein the composition has viscosity of from 1 to 1500 mPa*s at 20⁻

1 at 21°

C.

26. A pearlescent liquid treatment composition according to claim 5 wherein the deposition aid is selected from cationic polysaccharides, synthetic cationic polymers and mixtures thereof.

31. A pearlescent liquid treatment composition according to claim 4 wherein the difference in refractive index (Δ

N) of the medium in which the pearlescent agent is suspended and the pearlescent agent is greater than 0.02.

32. A pearlescent liquid treatment composition according to claim 4 wherein the composition has turbidity of greater than 5 and less than 3000 NTU.

33. A pearlescent liquid treatment composition according to claim 4 additionally comprising a viscosity modifier selected from non-polymeric crystalline, hydroxy-functional materials, polymeric rheology modifiers which impart shear thinning characteristics to the composition of high shear viscosity at 20 sec⁻

1 at 21°

C. of from 1 to 1500 cps and a viscosity at low shear (0.05 sec<sup>−

1</sup> at 21°

C.) of greater than 5000 cps.

43. A pearlescent liquid treatment composition according to claim 4 wherein the composition is packaged in a water-soluble film.

44. A pearlescent liquid treatment composition according to claim 4 wherein the D0.99 volume particle size of the pearlescent agent is less than 40 μ

m, more preferably less than 30 μ

m.

45. A method for treating a substrate in need of treatment comprising contacting the substrate with a pearlescent liquid treatment composition according to claim 4 such that the substrate is treated.

6. A pearlescent liquid treatment composition suitable for use in laundering fabrics comprising a fabric care benefit agent selected from the group consisting of fabric softening agent, colour protection, pill reduction, anti-abrasion, anti-wrinkle agents and mixtures thereof, a pearlescent agent and a deposition aid.

13. A pearlescent liquid treatment composition according to claim 6 wherein the pearlescent agent is an organic pearlescent agent selected from the group having the formula:

wherein R₁ is linear or branched C12-C22 alkyl chain;

R is linear or branched C2-C4 alkylene group;

P is selected from H, C1-C4 alkyl or —

COR₂, R₂ is C4-C22 alkyl; and

n=1-3;

14. A pearlescent liquid treatment composition according to claim 6 wherein the pearlescent agent is an inorganic pearlescent agents selected from the group consisting of mica, metal oxide coated mica, bismuth oxychloride coated mica, bismuth oxychloride, glass, metal oxide coated glass and mixtures thereof.

15. A pearlescent liquid treatment composition according to claim 6 wherein the composition has viscosity of from 1 to 1500 mPa*s at 20⁻

1 at 21°

C.

34. A pearlescent liquid treatment composition according to claim 6 wherein the difference in refractive index (Δ

N) of the medium in which the pearlescent agent is suspended and the pearlescent agent is greater than 0.02.

35. A pearlescent liquid treatment composition according to claim 6 wherein the composition has turbidity of greater than 5 and less than 3000 NTU.

36. A pearlescent liquid treatment composition according to claim 6 additionally comprising a viscosity modifier selected from non-polymeric crystalline, hydroxy-functional materials, polymeric rheology modifiers which impart shear thinning characteristics to the composition of high shear viscosity at 20 sec⁻

1 at 21°

C. of from 1 to 1500 cps and a viscosity at low shear (0.05 sec<sup>−

1</sup> at 21°

C.) of greater than 5000 cps.

46. A pearlescent liquid treatment composition according to claim 6 wherein the composition is packaged in a water-soluble film.

47. A pearlescent liquid treatment composition according to claim 6 wherein the D0.99 volume particle size of the pearlescent agent is less than 40 μ

m, more preferably less than 30 μ

m.

48. A method for treating a substrate in need of treatment comprising contacting the substrate with a pearlescent liquid treatment composition according to claim 6 such that the substrate is treated.

16. A pearlescent liquid treatment composition suitable for laundry or hard surface cleaning comprising:

(a) from about 0.5% to about 20% by weight of the composition of a precrystallised organic pearlescent dispersion premix, which comprises

(i) a pearlescent agent having the formula;

wherein R₁ is linear or branched C12-C22 alkyl chain;

R is linear or branched C2-C4 alkylene group;

P is selected from H, C1-C4 alkyl or —

COR₂, R₂ is C4-C22 alkyl; and

n=1-3;

(ii) a surfactant selected from the group consisting of linear or branched C12-C14 alkyl sulfate, alkyl ether sulfate, and mixtures thereof;

(iii) water and adjuncts selected from the group consisting of buffers, pH modifiers, viscosity modifiers, ionic strength modifiers, fatty alcohols, amphoteric surfactants, and mixtures thereof;

(b) fabric care benefit agent, selected from the group consisting of fabric softening agent, colour protection, pill reduction, anti-abrasion, anti-wrinkle agents and mixtures thereof

(c) carrier; and

(d) optionally, a laundry adjunct;

wherein the detergent composition has a viscosity of from about 1 to about 1000 mPa*s at 20<sup>−

1</sup> and 21°

C.

17. The composition according to claim 16 wherein the pearlescent agent comprises mono- and di-fatty acid ethylene glycol ester having a weight ratio ranging from about 1:

2 to about 2;

1.

18. The composition according to claim 16 wherein the pearlescent agent has one or more C12-C22 fatty acyl moieties.

19. The composition according to claim 16 wherein the pearlescent agent has one or more C16-C22 fatty acyl moieties.

20. The composition according to claim 16 wherein the pearlescent agents are ethylene glycol mono- and di-stearates.

21. The composition according to claim 16 further comprising a co-crystallizing agent selected from the group consisting of

(i) fatty acid having a C16-C22 alkyl, alkenyl, alkylaryl or alkoxy moiety;

(ii) fatty alcohol having a C16-C22 alkyl, alkenyl, alkylaryl or alkoxy moiety; and

(iii) mixtures thereof.

24. The composition according to claim 16 wherein the composition additionally comprises a deposition aid

27. A pearlescent liquid treatment composition according to claim 16 wherein the deposition aid is selected from cationic polysaccharides, synthetic cationic polymers and mixtures thereof.

37. A pearlescent liquid treatment composition according to claim 16 wherein the difference in refractive index (Δ

N) of the medium in which the pearlescent agent is suspended and the pearlescent agent is greater than 0.02.

38. A pearlescent liquid treatment composition according to claim 16 wherein the composition has turbidity of greater than 5 and less than 3000 NTU.

39. A pearlescent liquid treatment composition according to claim 16 additionally comprising a viscosity modifier selected from non-polymeric crystalline, hydroxy-functional materials, polymeric rheology modifiers which impart shear thinning characteristics to the composition of high shear viscosity at 20 sec⁻

1 at 21°

C. of from 1 to 1500 cps and a viscosity at low shear (0.05 sec<sup>−

1</sup> at 21°

C.) of greater than 5000 cps.

49. A pearlescent liquid treatment composition according to claim 16 wherein the composition is packaged in a water-soluble film.

50. A pearlescent liquid treatment composition according to claim 16 wherein the D0.99 volume particle size of the pearlescent agent is less than 40 μ

m, more preferably less than 30 μ

m.

51. A method for treating a substrate in need of treatment comprising contacting the substrate with a pearlescent liquid treatment composition according to claim 16 such that the substrate is treated.