Stable liquid laundry detergent/fabric conditioning composition
First Claim
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1. A stable liquid laundry care composition comprising:
- (a) from about 1% to about 25%, by weight, of a Smectite-type clay having a longest individual particle dimension of less than about one micron and an ion exchange capacity of at least about 50 meq/100 g;
(b) from about 0.25% to about 5%, by weight, of an antisettling agent selected from the group consisting of organophillic organo-clays, fumed silicas or mixtures thereof;
(c) from about 5% to about 45% by weight of water; and
(d) from 0% to about 5%, by weight, of a polyol containing from about 2 to about 6 carbon atoms and from about 2 to about 6 hydroxy groups, such that the combined water and polyol content of the composition does not exceed about 45%, by weight;
wherein said antisettling agent is sufficiently activated by high shear mixing such that said composition has a Brookfield Yield Value of at least about 1.5 dynes/cm2.
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Abstract
Disclosed are stable liquid laundry detergent and liquid fabric softener compositions containing a Smectite-type clay fabric softener and an antisettling agent in a low water/polyol formulation and, optionally, a softness enhancing amount of a polymeric clay-flocculating agent. Also disclosed is a method for producing these compositions and a step-wise method of using them to obtain fabric softening.
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Citations
22 Claims
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1. A stable liquid laundry care composition comprising:
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(a) from about 1% to about 25%, by weight, of a Smectite-type clay having a longest individual particle dimension of less than about one micron and an ion exchange capacity of at least about 50 meq/100 g; (b) from about 0.25% to about 5%, by weight, of an antisettling agent selected from the group consisting of organophillic organo-clays, fumed silicas or mixtures thereof; (c) from about 5% to about 45% by weight of water; and (d) from 0% to about 5%, by weight, of a polyol containing from about 2 to about 6 carbon atoms and from about 2 to about 6 hydroxy groups, such that the combined water and polyol content of the composition does not exceed about 45%, by weight; wherein said antisettling agent is sufficiently activated by high shear mixing such that said composition has a Brookfield Yield Value of at least about 1.5 dynes/cm2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 22)
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16. A method for producing a stable liquid laundry care composition comprising the high shear mixing, at a shear rate of greater than about 10,000 sec-1, at a liquid temperature from about 70°
- F. to about 100°
F., for about 4 to about 10 passes, of a mixture comprising;(a) from about 1% to about 25%, by weight, of a Smectite-type clay having an ion exchange capacity of at least about 50 meq/100 g; (b) from about 0.5% to about 2%, by weight, of an antisettling agent selected from the group consisting of organophillic quaternized organo-clays, fumed silicas, and mixtures thereof; (c) from about 5% to about 45%, by weight, of water; and (d) from 0% to about 5%, by weight, of a polyol containing from about 2 to about 6 carbon atoms and from about 2 to about 6 hydroxy groups, such that the combined water and polyol content of the composition does not exceed about 45%, by weight; such that the fabric softening clay particle size is reduced to less than about one micron and the antisettling agent is fully dispersed and activated such that the composition has a Brookfield Yield Value of at least about 1.5 dynes/cm2. - View Dependent Claims (17, 18, 19, 20, 21)
- F. to about 100°
Specification