Compositions comprising a perfume and an amino-functional polyme

Cleaning compositions for solid surfaces – auxiliary compositions – With oxygen – halogen – sulfur – or nitrogen containing or...

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510102, 510104, 510276, 510299, 510300, 510308, 510329, 510330, 510392, 510400, 510504, 510515, 510517, 510520, 510528, C11D 350, C11D 330, C11D 162

Patent

active

061036781

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to a fabric treatment composition for effective perfume substantivity on fabrics.


BACKGROUND OF THE INVENTION

Fabrics which exhibit a fresh scent is one of the areas of concern to the consumers. To fulfill such need, perfumes have been incorporated into the compositions for domestic treatment such as in when used in the conventional laundering processes such as pre-treatment, laundry cycle, rinse cycle, tumble drying process and combination thereof. It has now been found that amongst the different classes of perfumes, those which have a hydrophilic character provide a desirable fresh scent.
By "hydrophilic", it is meant that at least 25% by weight of the perfume comprises perfume ingredients having a Clog P of 3 or smaller, as defined hereinafter.
However, a problem encountered with the use of such hydrophilic perfumes is their tendency to be poorly or non- fabric substantive.
Accordingly, it is an object of the invention to provide fabric treatment compositions comprising a hydrophilic perfume, whereby effective perfume substantivity on treated fabrics is obtained.
One solution to this problem is to use a sprayed composition containing said hydrophilic perfume, thereby applying directly the perfume to the fabric without loss of perfume upon domestic treatment. A typical disclosure is described in WO96/04940.
Still another solution is to use a perfume carrier such as a cyclodextrin complex. A typical disclosure can be found in EP-A-0,601,035.
Notwithstanding the advances in the art, there is still a need for a composition containing a hydrophilic perfume, and whereby effective perfume substantivity on fabrics is obtained.
The Applicant has now found that the provision of an amino-functional polymer in a composition containing a hydrophilic perfume fulfills such a need.
Accordingly, it is an advantage of the invention to provide compositions with effective perfume substantivity on the treated fabric.
By "effective perfume substantivity on fabrics", it is meant that a better or equal substantivity of the perfume on the treated fabric is obtained with a composition of the invention compared to fabrics treated with the same perfume composition but no amino-functional polymer.
Still another advantage of the compositions is the resulting care to the colours of the treated fabrics by the present invention compositions.


SUMMARY OF THE INVENTION

The present invention is a composition comprising a perfume and an amino-functional polymer, characterised in that at least 25% by weight of the perfume comprises perfume ingredients having a Clog P of 3 or smaller.
In another aspect of the invention, there is provided a method for providing color care and perfume substantivity on treated fabrics upon domestic treatment which comprises the step of contacting the fabrics with a composition comprising a perfume and an amino-functional polymer, wherein at least 25% by weight of the perfume comprises perfume ingredients having a Clog P of 3 or smaller. The contacting step may occur in an aqueous medium such as in a rinse cycle, pre-treatment process or in a non aqueous medium such as that occurs during a tumble-drying process.


DETAILED DESCRIPTION OF THE INVENTION

Amino-functional polymer
An essential component of the invention is an amino-functional polymer. Indeed, by the present component, the substantivity of the hydrophilic perfume on the treated fabric is increased. Still another advantage of the amino-functional polymer is that they provide care to the colors of fabrics.
The amino-functional polymers of the present invention are water-soluble or dispersible, polyamines. Typically, the amino-functional polymers for use herein have a molecular weight between 200 and 10.sup.6, preferably between 600 and 20,000, most preferably between 1000 and 10,000. These polyamines comprise backbones that can be either linear or cyclic. The polyamine backbones can also comprise polyamine branching chains to a greater or lesser degree. Preferably, the polyamine backbones descr

REFERENCES:
patent: 4386000 (1983-05-01), Turner et al.
patent: 5094761 (1992-03-01), Trinh et al.
patent: 5500138 (1996-03-01), Bacon et al.
patent: 5565145 (1996-10-01), Watson et al.
patent: 5747443 (1998-05-01), Wahl et al.
patent: 5830843 (1998-11-01), Hartman et al.
Chemical Abstract #XP 002031278, vol. 123, No. 8, (Aug. 21, 1995).

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