Claims
- 1. An aqueous fabric softener composition comprising cationic fabric softener and perfume microcapsules prepared by a coacervation process between gelatin having a Bloom strength of from about 300 to about 275 and polyanionic material, selected from the group consisting of: (a) polyphosphates; (b) alginates; (c) carrageenan; (d) carboxymethyl cellulose; (e) polyacrylates; (f) gum arabic; (g) silicates; (h) pectin; (i) Type B gelatin; and (j) mixtures thereof, said composition having a pH of less than about 7.
- 2. The composition of claim 1 wherein said polyanionic material is gum arabic.
- 3. The composition of claim 2 wherein said gelatin is Type A there is from about 5 to about 25 grams of gelatin per 100 grams of perfume, and there is from about 0.4 to about 2.2 grams of gum arabic per gram of gelatin.
- 4. The composition of claim 3 wherein the microcapsule wall is cross-linked with from about 0.05 to about 2.0 grams of glutaraldehyde per 10 grams of gelatin.
- 5. The composition of claim 2 wherein said gelatin is Type A there is from about 5 to about 25 grams of gelatin per 100 grams of perfume, and there is polyanionic material equivalent to from about 0.4 to about 2.2 grams of gum arabic per gram of gelatin.
- 6. The composition of claim 1 wherein said gelatin is Type A there is from about 5 to about 25 grams of gelatin per 100 grams of perfume, there is polyanionic material equivalent to from about 0.4 to about 2.2 grams of gum arabic per gram of gelatin; and the pH of the composition is less than about 5.
- 7. The composition of claim 1 wherein said perfume excludes materials with excessive solubility in water.
- 8. The composition of claim 7 wherein said perfume contains a minor amount of material selected from the group consisting of: straight chain hydrocarbons containing from about 6 to about 16 carbon atoms, C.sub.1 -C.sub.4 alkyl esters of phthalic acid, d-limonene, mineral oil, silanes, silicones, and mixtures thereof.
- 9. The composition of claim 8 wherein said material consists essentially of dodecane.
- 10. The process of treating fabrics in the rinse cycle of a laundry operation with an effective amount of the composition of claim 1.
Parent Case Info
This is a continuation of application Ser. No. 07/316,727 filed on Feb. 27, 1989 now U.S. Pat. No. 4,946,624.
US Referenced Citations (8)
Continuations (1)
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Number |
Date |
Country |
Parent |
316727 |
Feb 1989 |
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