WO2009100464A4 - Compositions containing cationically surface-modified microparticulate carrier for benefit agents - Google Patents

Compositions containing cationically surface-modified microparticulate carrier for benefit agents Download PDF

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Publication number
WO2009100464A4
WO2009100464A4 PCT/US2009/035871 US2009035871W WO2009100464A4 WO 2009100464 A4 WO2009100464 A4 WO 2009100464A4 US 2009035871 W US2009035871 W US 2009035871W WO 2009100464 A4 WO2009100464 A4 WO 2009100464A4
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WO
WIPO (PCT)
Prior art keywords
polymer
composition
type
microparticulate
agent
Prior art date
Application number
PCT/US2009/035871
Other languages
French (fr)
Other versions
WO2009100464A1 (en
Inventor
Ashoke K. Sengupta
Original Assignee
Amcol International Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US12/028,685 external-priority patent/US7915214B2/en
Priority claimed from US12/152,364 external-priority patent/US7888306B2/en
Priority claimed from US12/327,570 external-priority patent/US7871972B2/en
Application filed by Amcol International Corporation filed Critical Amcol International Corporation
Priority to CA2725814A priority Critical patent/CA2725814A1/en
Priority to EP09709193A priority patent/EP2265702A1/en
Publication of WO2009100464A1 publication Critical patent/WO2009100464A1/en
Publication of WO2009100464A4 publication Critical patent/WO2009100464A4/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00—Preparations for care of the hair
    • A61Q5/02—Preparations for cleaning the hair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/20—After-treatment of capsule walls, e.g. hardening
    • B01J13/22—Coating
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/50—Perfumes
    • C11D3/502—Protected perfumes
    • C11D3/505—Protected perfumes encapsulated or adsorbed on a carrier, e.g. zeolite or clay

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Dermatology (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Abstract

A coated microparticulate composition comprising a microparticulate; wherein the microparticulate comprises a benefit agent; and wherein the microparticulate is coated with: a Type-1 Polymer, wherein the Type-1 Polymer comprises a cationic polymer with a cationic atom content greater than about 3 wt. % and a weight average molecular weight less than about 800,000 Dalton; and a Type-2 Polymer, wherein the Type-2 Polymer comprises a cationic polymer with a cationic atom content less than about 3 wt. % and a weight average molecular weight greater than about 1,000,000 Dalton.

Claims

AMENDED CLAIMS [Received by the International Bureau on 03 AUG 2009 (03.08.2009)]What is Claimed:
1. A coated mi crop articulate composition comprising a microparticiilatc having a neutral or anionic surface charge and, if surface treated with an anionic polymer, the anionic polymer and cationic polymer are not pre-mixed prior to adding to the microparticulatc; wherein the microparticulate comprises a benefit agent; and wherein the microparticulate, having the neutral or anionic surface charge, is coated with cationic polymers, as follows: a Type-1 Polymer, wherein the Type-1 Polymer comprises a water-soluble cationic polymer with a cationic atom content greater than about 3 wt. % and a weight average molecular weight less than about 800,000 Dalton; and a Type-2 Polymer, wherein the Typc-2 Polymer comprises a water-soluble cationic polymer with a cationic atom content less than about 3 wt. % and a weight average molecular weight greater than about 1,000,000 Dalton.
2. The composition of claim 1, wherein the cationic atom content in both the Tyρe-1 Polymer and the Type-2 Polymer comprise quaternary ammonium ions.
3. The composition of claim 1 further comprising an additive selected from the group consisting of water, an organic solvent, a surfactant, and a mixture thereof.
4. The composition of claim 1 , wherein the microparticulate has an average particle diameter of about 1 to about 500 microns.
5. The composition of claim 4, wherein the microparticulatc has an average particle diameter of about 3 to about 100 microns.
6. The composition of claim 5, wherein the microparticulale has an average particle diameter of about 6 to about 50 microns.
7. The composition of claim 5, wherein the microparticulate has a diameter of about 8 to about 10 microns.
8. The composition of claim 1, wherein the microparticulatc further comprises a particulate carrier.
9. The composition of claim 8, wherein the particulate carrier is selected from the group consisting of an adsorbent polymeric microparticle, an adsorbent polymer, a porous solid stale material, a porous polymeric material, an encapsulating shell, and a mixture thereof.
10. The composition of claim 1 , wherein the benefit agent is selected from the group consisting of a flavor, a fragrance, an insect repellent, a silicone oil, a fabric softening agent, an anti-static agent, an anti-wrinkle agent, a stain-resistant agent, an emollient, a moisturizing agent, a wax, an ultraviolet (UV) ray absorber, an antimicrobial agent, an antioxidant, a pigment, a film-forming agent, a skin-care agent, a hair-care agent, a scalp-care agent, an anti-dandruff agent, a hair-coloring agent, a hair-conditioning agent, and a mixture thereof.
11. The composition of claim 1, wherein the Type-1 Polymer has a weight average molecular weight of about 300,000 to about 800,000 Dalton.
12. The composition of claim 11, wherein the Type-1 Polymer has a weight average molecular weight of about 350,000 to about 600,000 Dalton.
13. The composition of claim 12, wherein the Type-1 Polymer has a weight average molecular weight of about 400,000 to about 550,000 Dalton.
14. The composition of claim 1 1 , wherein the Type-1 Polymer has a cationic atom content in the range of about 3 wt. % to about 20 wt. %.
15. The composition of claim 14, wherein the Type-1 Polymer has a cationic atom content in the range of about 5 wt. % to about 15 wt. %.
16. The composition of claim 15, wherein the Typc-1 Polymer has a cationic atom content of about 8 wt. % to about 10 wt. %.
17. The composition of claim 1 , wherein the Typc-2 Polymer has a weight average molecular weight of about 1,000,000 to about 15,000,000 Dalton.
18. The composition of claim 17, wherein the Typc-2 Polymer has a weight average molecular weight of about 1,000,000 to about 10,000,000 Dalton.
19. The composition of claim 18, wherein the Type-2 Polymer has a weight average molecular weight of about 1,000,000 to about 5,000,000 Dalton.
20. The composition of claim 17, wherein the Type-2 Polymer has a cationic atom content in the range of about 0.01 \vt. % to about 3 wt. %.
21. The composition of claim 20, wherein the Type-2 Polymer has a cationic atom content in the range of about 0.1 wt. % to about 2 wt. %.
22. The composition of claim 21 , wherein the Type-2 Polymer has a cationic atom content in the range of about 0.5 wt. % to about 1 wt. %.
23. The composition of claim 1 , wherein the coated microparticulate composition consists essentially of the microparticulate, a Typc-1 Polymer, and a Type-2 Polymer.
24. The composition of claim 23, wherein the microparticulate comprises about 1 wt. % to about 99.9 wt. % of the composition.
25. The composition of claim 24, wherein the microparticulate comprises about 35 wt. % to about 99.5 wt. % of the composition.
26. The composition of claim 25, wherein the microparticulate comprises about 50 wt. % to about 99.0 wt. % of the composition.
27. The composition of claim 26, wherein the microparticulate comprises about 65 wt. % to about 95.0 wt. % of the composition.
28. A product selected from the group consisting of a shampoo, a conditioner, a body wash, a moisturizing agent, a cosmetic cream, a shower gel, a soap, a detergent, a toothpaste, a surface cleansing agent, a surface conditioning agent, and a mixture thereof, wherein the product comprises a composition of claim 1.
29. A method of making a coated microparticulate comprising admixing a sufficient amount of a Type-1 Polymer with a microparticulate, wherein the microparticulate has a neutral or anionic surface charge and, if surface treated with an anionic polymer, the anionic polymer and cationic polymer are not pre-mixed prior to adding to the microparticulate, to raise a ζ-potcntial of an aqueous dispersion of the admixed Type-1 Polymer and microparticulate to at least 65 mV when measured at a concentration of about 0.1 wl. % microparticulate in water; and admixing a Type-2 Polymer with the microparticulate, wherein the Type-1 Polymer has a cationic nitrogen content of at least about 3 wt. % and a weight average molecular weight of less than about 800,000 Dalton, and wherein the Type-2 Polymer has a cationic nitrogen content of less than about 3 wt. % and a weight average molecular weight of greater than about 1,000,000 Dalton.
30. The method of claim 29, wherein a ratio of the combined weight of the Type-] Polymer and the Type-2 Polymer to the weight of the microparticulatc is in the range of about 0.01 to about 10.
31. The method of claim 29, wherein the microparticulate is selected from the group consisting of a benefit agent, a particulate carrier, and a mixture thereof.
32. The method of claim 29, wherein the method comprises admixing the Type-1 Polymer with the microparticulate, and then admixing the Type-2 Polymer with the Typc-1 Polymer coated microparticulate.
33. The method of claim 29, wherein the method comprises admixing the Type-1 Polymer with the Type-2 Polymer to make a polymer composition and then admixing the polymer composition with the microparticulate.
34. The method of claim 29, wherein the microparticulate prior to admixing with either the Typc-1 Polymer or the Type-2 Polymer has a neutral or cationic surface charge, further comprising admixing a sufficient amount of an anionic treatment agent selected from the group consisting of an anionic surfactant, an anionic polymer, and a mixture thereof, with the microparticulate to change the ζ-potential of an aqueous dispersion of the admixed anionic treatment agent and microparticulatc to at least -50 mV when measured at a concentration of about 0.1 wt. % microparticulatc in water
35. A microparticulate coating composition consisting of a polymer mixture, wherein the polymer mixture consists of a Type-1 Polymer and a Type-2 Polymer, and wherein the polymer mixture comprises about 50 wt. % to about 99 wt. % of the Type-1 Polymer and about 1 wt. % to about 50 wt. % of the Type-2 Polymer, based on the total weight of the polymers in the mixture, wherein the Type-1 Polymer has a cationic nitrogen content of at least about 3 wt. % and a weight average molecular weight of less than about 800,000 Dalton, and wherein the Type-2 Polymer has a cationic nitrogen content of less than about 3 wt. % and a weight average molecular weight of greater than about 1,000,000 Dalton.
36. The composition of claim 35, wherein the polymer mixture comprises about 60 wt. % to about 95 wt. % of the Type-1 Polymer and about 5 wt % to about 40 wt. % of the Typc-2 Polymer, based on the total weight of the polymers in the mixture..
37. The composition of claim 36, wherein the polymer mixture comprises about
70 vvt. % to about 90 wt. % of the Type-1 Polymer and about 10 wt. % to about 30 wt. % of the Type-2 Polymer.
38. The composition of claim 35, wherein the Type-1 Polymer is a poly(D ADMAC) and wherein the Type-2 Polymer is selected from the group consisting of a cationically modified guar, a cationically modified cellulose, and a mixture thereof.
39. A method of applying a benefit agent to a substitute comprising contacting a substrate with coated microparticulate composition, and rinsing the substrate with water; wherein the microparticulate has a neutral or anionic surface charge and, if surface treated with an anionic polymer, the anionic polymer and cationic polymer are not pre-mixcd prior to adding to the microparticulate, said microparticulate comprising a benefit agent or a carrier containing a benefit agent coated with a Type-1 Polymer with a cationic nitrogen content of at least about 3 wt. % and having a weight average molecular weight of less than about 800,000 Daiton, and coated with a Type-2 Polymer having a cationic nitrogen content in a range of about 0.1 wt. % to about 3 wt. % and having a weight average molecular weight of at least about 1,000,000 Daiton, and wherein the coated microparticulate composition has an increased deposition and an increased retention on the substrate as compared to a composition having the same weight percentage microparticulate selected from the group consisting of a first composition consisting essentially of a microparticulate coated with only a Type-1 Polymer; a second composition consisting essentially of a microparticulate coated with only a Type-2 Polymer.
40. The method of claim 39, wherein the coated microparticulate composition comprises about 5 wt. % to about 20 wt. % of the Type-1 Polymer based on the total weight of the coated microparticulate, and about 0.1 wt. % to about 5 wt. % of the Type-2 Polymer based on the total weight of the coated microparticulate.
PCT/US2009/035871 2008-02-08 2009-03-03 Compositions containing cationically surface-modified microparticulate carrier for benefit agents WO2009100464A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2725814A CA2725814A1 (en) 2008-02-08 2009-03-03 Compositions containing cationically surface-modified microparticulate carrier for benefit agents
EP09709193A EP2265702A1 (en) 2008-02-08 2009-03-03 Compositions containing cationically surface-modified microparticulate carrier for benefit agents

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US12/028,685 2008-02-08
US12/028,685 US7915214B2 (en) 2006-01-12 2008-02-08 Compositions containing benefit agent composites pre-emulsified using colloidal cationic particles
US4438108P 2008-04-11 2008-04-11
US61/044,381 2008-04-11
US12/152,364 2008-05-14
US12/152,364 US7888306B2 (en) 2007-05-14 2008-05-14 Compositions containing benefit agent composites pre-emulsified using colloidal cationic particles
US10133608P 2008-09-30 2008-09-30
US61/101,336 2008-09-30
US12/327,570 2008-12-03
US12/327,570 US7871972B2 (en) 2005-01-12 2008-12-03 Compositions containing benefit agents pre-emulsified using colloidal cationic particles

Publications (2)

Publication Number Publication Date
WO2009100464A1 WO2009100464A1 (en) 2009-08-13
WO2009100464A4 true WO2009100464A4 (en) 2009-10-01

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PCT/US2009/035871 WO2009100464A1 (en) 2008-02-08 2009-03-03 Compositions containing cationically surface-modified microparticulate carrier for benefit agents

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EP (1) EP2265702A1 (en)
CA (1) CA2725814A1 (en)
WO (1) WO2009100464A1 (en)

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