Film-form compositions for delivery of soaps and detergents
First Claim
1. A rapidly water soluble film-form composition for the delivery of a surfactant, upon the addition of water, comprising (i) a water soluble polymeric base carrier selected from the group consisting of carbohydrate based hydrocolloids, alginates, hydroxy ethel cellulose, hydroxy propyl cellulose, polyvinyl alcohol, polyacrylic acid and polyethelene oxide;
- (ii) up to seventy percent by weight of a surfactant;
(iii) from five to fifteen percent by weight of water; and
(iv) sufficient plasticizer to impart a desired degree of flexibility to the film.
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Abstract
Rapidly water soluble strips of film carrying surfactants are described for application as soaps and detergents. A preferred water soluble polymer base for the film compositions comprises a carbohydrate based hydrocolloid such as hydroxy propyl methyl cellulose or sodium carboxymethyl cellulose. Suitable base polymers are quick dissolving and can carry high polymer loadings and leave virtually no residue upon rapid dissolution in water. The addition of a small amount of plasticizer to the composition imparts the degree of flexibility required for practical applications.
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Citations
8 Claims
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1. A rapidly water soluble film-form composition for the delivery of a surfactant, upon the addition of water, comprising
(i) a water soluble polymeric base carrier selected from the group consisting of carbohydrate based hydrocolloids, alginates, hydroxy ethel cellulose, hydroxy propyl cellulose, polyvinyl alcohol, polyacrylic acid and polyethelene oxide; -
(ii) up to seventy percent by weight of a surfactant;
(iii) from five to fifteen percent by weight of water; and
(iv) sufficient plasticizer to impart a desired degree of flexibility to the film. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification