Amino Silicone Nanoemulsion

• US 20150030643A1
• Filed: 06/24/2014
• Published: 01/29/2015
• Est. Priority Date: 07/26/2013
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Gartstein, Vladimir, Mueller, William Richard, Degenhardt, Charles Raymond, Oh, Hiroshi, Smith, Steven Daryl, Vetter, Nicholas David
• Granted Patent: US 9,717,676 B2
• Time in Patent Office: Days
• US Class Current: 424/401
• CPC Class Codes: A61K 2800/21 Emulsions characterized by droplet sizes below 1 micron
• CPC Class Codes: A61K 8/0208 Tissues; Wipes; Patches
• CPC Class Codes: A61K 8/06 Emulsions
• CPC Class Codes: A61K 8/345 containing more than one hydroxy group
• CPC Class Codes: A61K 8/36 Carboxylic acids; Salts or anhydrides thereof
• CPC Class Codes: A61K 8/39 Derivatives containing from 2 to 10 oxyalkylene groups
• CPC Class Codes: A61K 8/86 Polyethers
• CPC Class Codes: A61K 8/898 containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
• CPC Class Codes: A61Q 19/10 Washing or bathing preparations
• CPC Class Codes: A61Q 5/02 Preparations for cleaning the hair
• CPC Class Codes: A61Q 5/06 Preparations for styling the hair, e.g. by temporary shaping or colouring
• CPC Class Codes: A61Q 5/12 Preparations containing hair conditioners
• CPC Class Codes: C11D 17/0021 Aqueous microemulsions
• CPC Class Codes: C11D 3/3742 Nitrogen containing silicones
• CPC Class Codes: D06M 13/10 with compounds containing oxygen
• CPC Class Codes: Y10T 428/2982 Particulate matter [e.g., sphere, flake, etc.]

Abstract

The present invention relates to amino silicone nanoemulsions. More specifically, the present invention relates to amino silicone nanoemulsions that may be used to protect surfaces from being soiled or wetted.

Claims

1. An amino silicone nanoemulsion comprising:

a. one or more liquid amino silicone compounds represented by formula (1) below;

2. An amino silicone nanoemulsion according to claim 1, wherein the average particle size of said nanoemulsion is from about 20 nm to about 350 nm.

3. An amino silicone nanoemulsion according to claim 1, wherein the sum of the solvent and the surfactant is less than about 32% by weight of said amino silicone compound.

4. An amino silicone nanoemulsion according to claim 1, wherein said amino silicone nanoemulsion comprises from about 0.1% to about 12%, by weight of said amino silicone compound, of a solvent.

5. An amino silicone nanoemulsion according to claim 1, wherein said amino silicone nanoemulsion comprises from about 0.1% to about 5%, by weight of said amino silicone compound, of a solvent.

6. An amino silicone nanoemulsion according to claim 1, wherein said amino silicone nanoemulsion comprises from about 1% to about 30%, by weight of said amino silicone compound, of a surfactant.

7. An amino silicone nanoemulsion according to claim 1, wherein the pH of the amino silicone nanoemulsion is less than about 7.0.

8. An amino silicone nanoemulsion according to claim 1, wherein in said formula (1), R is a methyl group, Wand R² are alkyl groups having 1-3 carbon atoms.

9. An amino silicone nanoemulsion according to claim 1, wherein in said formula (1), m/n is less than about 100.

10. An amino silicone nanoemulsion according to claim 1, wherein in said formula (1), m/n is less than about 90.

11. An amino silicone nanoemulsion according to claim 1, wherein in said formula (1), m/n is less than about 80.

12. An amino silicone nanoemulsion according to claim 1, wherein from about 1% to about 20% of the terminal R′

groups are monovalent groups represented by the formula;

—

OR³, where R³ is a hydrogen atom or a monovalent hydrocarbon group with 1-10 carbon atoms.

13. An amino silicone nanoemulsion according to claim 1, wherein said solvent comprises a glycol ether, an alkyl ether, an alcohol, an aldehyde, a ketone, an ester, or a mixture thereof.

14. An amino silicone nanoemulsion according to claim 1, wherein said solvent comprises an ethylene glycol monoalkyl ether that has an alkyl group having 6-12 carbon atoms, a diethylene glycol monoalkyl ether that has an alkyl group having 6-12 carbon atoms, an ethylene glycol monohexyl ether, an ethylene glycol monobutyl ether, a diethylene glycol monohexyl ether, a diethylene glycol monobutyl ether, or combinations thereof.

15. An amino silicone nanoemulsion according to claim 1, wherein said surfactant is selected from nonionic surfactant, anionic surfactant, cationic surfactant, zwitterionic surfactant, ampholytic surfactant, amphoteric surfactant or a mixture thereof.

16. An amino silicone nanoemulsion according to claim 1, wherein said surfactant is a nonionic surfactant.

17. A treatment composition that comprises

a. an amino silicone nanoemulsion,

b. a carrier,

wherein said treatment composition comprises from about 0.001% to about 15% amino silicone nanoemulsion, by weight of the treatment composition, and said treatment composition is substantially free of silicone resin.

18. The treatment composition of claim 17, wherein said treatment composition is selected from the group consisting of beauty care composition, hand washing composition, body wash composition, shampoo composition, conditioner composition, cosmetic composition, hair removal composition, oral care composition, laundry spray composition, laundry rinse additive composition, liquid laundry detergent compositions, solid laundry detergent compositions, hard surface cleaning compositions, liquid hand dishwashing compositions, solid automatic dishwashing compositions, liquid automatic dishwashing, and tab/unit dose form automatic dishwashing compositions, and laundry detergent compositions contained in a water-soluble pouch.

19. A treatment composition according to claim 17, wherein said composition further comprises a perfume.

20. A treatment composition according to claim 17, wherein said composition further comprises a detersive surfactant system.

21. A treatment composition according to claim 20, wherein said detersive surfactant system comprises one or more surfactants selected from nonionic surfactants, cationic surfactants, anionic surfactants, zwitterionic surfactants, ampholytic surfactants, or amphoteric surfactants.

22. A treatment composition according to claim 20, wherein said detersive surfactant system comprises a surfactant selected from C₁₀-C₁₆ alkyl benzene sulfonates, C₈-C₁₈ alkyl sulfate, C₈-C₁₈ alkyl ethoxylated sulfate, or a mixture thereof.

23. A treatment composition according to claim 17, wherein said composition further comprises one or more cleaning adjunct additives.

24. A treatment implement comprising a nonwoven substrate and the treatment composition according to claim 17.

25. A method of treating a surface comprising the step of applying the amino silicone nanoemulsion treatment composition of claim 17 to said surface.

26. The method according to claim 25, wherein said surface is selected from fabric, skin, hair, or a hard surface.

27. The method according to claim 26, wherein said surface is a fabric and wherein the water repellency relative to the untreated fabric is increased, as measured by an increase in Time to Wick.

28. The method according to claim 27, wherein said treatment composition comprises about 0.005% amino silicone, by weight of the treatment composition and the increase in Time to Wick is greater than about 100 seconds.

29. The method according to claim 27, wherein said treatment composition comprises about 0.01% amino silicone, by weight of the treatment composition and the increase in Time to Wick is greater than about 500 seconds.

30. The method according to claim 26, wherein said surface is a fabric and wherein the oil repellency relative to the untreated fabric is increased, as measured by an increase in Time to Wick.

31. The method according to claim 30, wherein the increase in Time to Wick is greater than about 10 seconds.

32. The method according to claim 26, wherein said surface is hair or skin and wherein the dry time relative to the untreated hair or skin is decreased, as measured by an decrease in Technical Dry Time.

33. The method according to claim 32, wherein the Technical Dry Time is less than about 3 minutes.

34. The method according to claim 26, wherein said surface is a hard surface and wherein the contact angle relative to the untreated hard surface is increased.

35. The method according to claim 34, wherein the contact angle is greater than about 36 degrees.