Fabric treatment compositions containing polyglycerol esters
First Claim
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1. An article adapted for providing fabric softening within an automatic clothes dryer, said article comprising:
- (a) a fabric softening amount of softening composition comprising a fatty alkyl polyglycerol ester softener component having the formula ##STR3## wherein R1 is a C9 to C23 aliphatic acylic hydrocarbyl group, and R2 and R3 are selected from the group consisting of hydrogen and C8 to C24 fatty acyl groups and n is from about 2 to about 4, wherein the crystal melting point of said fatty polyglycerol ester is above about 38°
C., and wherein the degree of esterification of said polyglycerol ester is from about 0.2 to about 0.6; and
(b) a dispensing means which provides for release of said softening composition within an automatic laundry dryer at dryer operating temperatures, wherein when said dispensing means is a flexible substrate in a sheet configuration the softening composition is impregnated or coated onto the substrate to provide a weight ratio of softening composition to dry substrate ranging from about 10;
1 to 0.5;
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Abstract
A non-staining, anti-static fabric softening composition comprising particular "polyglycerol esters" is applied to fabrics in an automatic laundry dryer.
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Citations
13 Claims
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1. An article adapted for providing fabric softening within an automatic clothes dryer, said article comprising:
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(a) a fabric softening amount of softening composition comprising a fatty alkyl polyglycerol ester softener component having the formula ##STR3## wherein R1 is a C9 to C23 aliphatic acylic hydrocarbyl group, and R2 and R3 are selected from the group consisting of hydrogen and C8 to C24 fatty acyl groups and n is from about 2 to about 4, wherein the crystal melting point of said fatty polyglycerol ester is above about 38°
C., and wherein the degree of esterification of said polyglycerol ester is from about 0.2 to about 0.6; and(b) a dispensing means which provides for release of said softening composition within an automatic laundry dryer at dryer operating temperatures, wherein when said dispensing means is a flexible substrate in a sheet configuration the softening composition is impregnated or coated onto the substrate to provide a weight ratio of softening composition to dry substrate ranging from about 10;
1 to 0.5;
1. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of imparting a softening and anti-static effect to fabrics in an automatic laundry dryer, comprising the steps of
(a) placing damp fabrics into the dryer; -
(b) applying to said fabrics a fabric softening composition comprising a fatty polyglycerol ester of the formula ##STR4## wherein R1 is a C9 to C23 aliphatic acylic hydrocarbyl group, and R2 and R3 are selected from the groups consisting of hydrogen and C8 to C24 fatty acyl groups and n is from about 2 to about 4, wherein the cyrstal melting point of said fatty polyglycerol ester is above about 38°
C., and wherein the degree of esterification of said polyglycerol ester is from about 0.2 to about 0.6, said application being at the rate of from .01 gram to about 12 grams of polyglycerol ester per 5 pounds of fabrics on a dry fabric weight basis; and(c) operating the dryer to dry the fabrics at a temperature of at least equal to or higher than the melting point of the composition for a period of from about 10 minutes to 60 minutes. - View Dependent Claims (10, 11, 12, 13)
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Specification