Functionalized substrates comprising perfume microcapsules

• US 20080014393A1
• Filed: 08/24/2007
• Published: 01/17/2008
• Est. Priority Date: 05/05/2006
• Status: Abandoned Application

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Brown, Jodi, Denome, Frank, Boekley, Lois, Berges-Cabrera, Tania, Fossum, Renae, Wahl, Errol, Gizaw, Yonas, Catalfamo, Vincenzo
• Application Number:
  US11/895,602
• Publication Number:
  US 20080014393A1
• Time in Patent Office: Days
• US Class Current: 428/35.7
• CPC Class Codes: A61K 8/0208 Tissues; Wipes; Patches
• CPC Class Codes: A61K 8/11 Encapsulated compositions
• CPC Class Codes: A61L 9/042 with the help of a macromolecular compound as a carrier or diluent A61L9/048 takes precedence
• CPC Class Codes: A61Q 13/00 Formulations or additives for perfume preparations essential oils or perfumes per se C11B9/00
• CPC Class Codes: C11D 17/0039 Coated compositions or coated components in the compositions, (micro)capsules
• CPC Class Codes: C11D 17/042 Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
• CPC Class Codes: C11D 17/044 Solid compositions
• CPC Class Codes: C11D 3/505 encapsulated or adsorbed on a carrier, e.g. zeolite or clay
• CPC Class Codes: Y10T 428/1352 Polymer or resin containing [i.e., natural or synthetic]

Abstract

An article comprising: a functionalized substrate comprising: a composition susceptible to aqueous attack, comprising a water-soluble material, a partially water soluble material, a water-dispersible materials, a water-disintegrating materials, and mixtures thereof; a plurality of microcapsules encapsulating a perfume, wherein said plurality of microcapsules is incorporated with said functionalized substrate; and a total perfume loading level of from about 1% to about 95% by weight of said functionalized substrate.

Claims

1. An article comprising:

a. a functionalized substrate comprising;

i. a composition susceptible to aqueous attack comprising a water-soluble material, a partially water soluble material, a water-dispersible material, a water-disintegrating material, and mixtures thereof;

ii. a plurality of microcapsules encapsulating a perfume, wherein said plurality of microcapsules is incorporated with said functionalized substrate; and

iii. a total perfume loading level of from about 1% to about 95% by weight of said functionalized substrate.

2. The article according to claim 1, further comprising a perfume microcapsule loading level of from about 1% to about 80% by weight of said functionalized substrate.

3. The article according to claim 1, wherein said functional composition comprises at least a second functional material comprising:

flavors, softening agents, anti-static agents, crisping agents, water/stain repellents, stain release agents, refreshing agents, anti-microbial agents, disinfecting agents, wrinkle resistant agents, wrinkle release agents, odor resistance agents, malodor control agents, abrasion resistance and protection agents, solvents, insect/pet repellents, wetting agents, UV protection agents, skin/fabric conditioning agents, skin/fabric hydrating agents, skin/fabric nurturing agents, color protection agents, dye fixatives, dye transfer inhibiting agents, silicones, preservatives and anti-microbials, fabric shrinkage-reducing agents, perfume microcapsules, brighteners, hueing dyes, bleaches and bleach particles, bleach activators, bleach catalysts, chelants, antifoams, anti-scum agents, whitening agents, catalysts, petrolatum, glycerin, triglycerides, vitamins, other skin care actives such as aloe vera, chamomile, shea butter, mineral oils, silicone oils and silicone waxes, waxes, hydrocarbons, paraffins, isoparaffins, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerin, soil suspending polymers, wetting agents, silicon dioxide particles, malodor reducing agents, cyclodextrin, zeolite, dyes, brighteners, antibacterial actives, antiperspirant actives, cationic polymers, polydimethylsiloxane, derivatized PDMS, silicone polyethers, aminofunctional silicones, sucrose polyesters, polyglycerol esters, polyethylene waxes, vitamin E, niacinamide, enzymes, amino acids, retinol, cucumber extracts, chamomile extracts, almond milk, silk protein, keratin protein and keratin amino acids, natural soap, eucalyptus, natural oat, sea minerals, lavender, rose, vanilla extract, linen flower, hibiscus, citrus, lemon, lime, orange, and combinations thereof.

4. The article according to claim 1, wherein said plurality of microcapsule comprises:

a friable microcapsule;

a moisture-activated microcapsule, a heat-activated microcapsule, and combinations thereof.

5. The article according to claim 1, wherein said plurality of microcapsules is dispersed throughout the functionalized substrate.

6. The article according to claim 1, wherein said functionalized substrate comprises a volume fraction of said plurality of microcapsules comprising from about 0.1 to about 0.8.

7. The article according to claim 1, wherein said functionalized substrate comprises an elongation at break of from about 1 percent to about 200 percent.

8. The article according to claim 1, wherein said functionalized substrate comprises a dissolution rate of from about 0.1 grams/minute to about 0.5 grams/minute.

9. The article according to claim 1, wherein when the functionalized substrate completely dissolves when introduced into an aqueous solution at about 40°

F.

10. The article according to claim 1, further comprising a free perfume.

11. The article according to claim 1, wherein said composition susceptible to aqueous attack comprises a polyvinyl alcohol, a derivative of polyvinyl alcohol, a carboxymethyl cellulose, a derivative of carboxymethyl cellulose, a hydroxypropyl methylcellulose, a polyethylene oxide, a starch, a starch derivative, a surfactant, a soap, a fatty acid, a polyethylene glycol, and mixtures thereof.

12. The article according to claim 1, wherein said composition susceptible to aqueous attack further comprises a soap, a surfactant, a starch, a starch derivative, and mixtures thereof.

13. The article according to claim 1, further comprising a deposition aid, a plasticizer, and mixtures thereof.

14. The article according to claim 1, wherein said functionalized substrate is formed or cut into a shape selected from a flower, petal, tear drop, and a leaf.

15. The article according to claim 14, wherein the functionalized substrate is formed into a shape, wherein said shape and said perfume are coordinated.

16. The article according to claim 1, wherein said functionalized substrate is a substantially planar sheet.

17. The article according to claim 16, comprising a volume to surface area ratio of from about 0.1 mm to about 10 mm.

18. The article according to claim 1, wherein said functionalized substrate comprises a volume from about 0.1 mm³ to about 1000 mm³.

19. The article according to claim 1, wherein said functionalized substrate contains a formaldehyde scavenger.

20. A package comprising:

a. a functionalized substrate according to claim 1;

and

b. a composition comprising a fabric softener, a laundry detergent, a laundry bleach, a dish washing detergent, a hard surface cleaner, and combinations thereof.

21. A method of dispensing an encapsulated perfume comprising:

a. contacting an article according to claim 1 with water;

b. at least partially dissolving said article; and

c. releasing said encapsulated perfume from said article.

22. The method of claim 21, wherein said step of contacting said article with water comprises at least partially immersing said article in said aqueous solution.

23. The method of claim 22, wherein said step of at least partially immersing said article comprises dispensing said article to a wash cycle and/or a rinse cycle of a laundering process.

24. The method of claim 21, wherein the step of contacting said article with water comprises contacting said article with moisture comprising:

moisture in ambient air, moisture from bodily contact;

moisture from clothing moistened by sweat from bodily contact; and

combinations thereof.

25. The method of claim 24, further comprising a step of applying a force onto said article comprising:

tearing;

pulling, twisting, compacting;

folding;

bending and otherwise deforming said article.