Cleaning compositions for solid surfaces – auxiliary compositions – Auxiliary compositions for cleaning – or processes of preparing – Soil-release or antisoiling composition
Patent
1995-06-07
1997-01-28
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Auxiliary compositions for cleaning, or processes of preparing
Soil-release or antisoiling composition
510299, 510337, C11D 337, C11D 330
Patent
active
055977952
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a composition and a process for inhibiting dye transfer between fabrics during washing.
BACKGROUND OF THE INVENTION
One of the most persistent and troublesome problems arising during modern fabric laundering operations is the tendency of some colored fabrics to release dye into the laundering solutions. The dye is then transferred onto other fabrics being washed therewith.
One way of overcoming this problem would be to complex or absorb the fugitive dyes washed out of dyed fabrics before they have the opportunity to become attached to other articles in the wash. Polymers have been used within detergent compositions to inhibit dye transfer, such as EP-A-O 102 923, DE-A-2 814 329, FR-A-2 144 721 and EP-265 257.
Copending EP Patent Application 92202168.8 describes dye transfer inhibiting compostions comprising polyamine N-oxides containing polymers.
In addition to dye binding, it is also important to prevent the tendency of some coloured fabrics to release dyes into the wash solution. It has now been found that terephthalate-based soil release polymers when added to said polyamine N-oxide dye transfer inhibiting compositions enhance the overall dye transfer inhibiting performance.
This finding allows the formulation of detergent compositions which are very efficient in preventing colour-bleeding and in eliminating transfer of solubilized or suspended dyes.
According to another embodiment of this invention a process is also provided for laundering operations involving colored fabrics.
Terephthalate-based soil release polymers have also been described in the art, for instance in GB 2 137 221, U.S. Pat. No. 4,116,885, U.S. Pat. No. 132,680, EP 185 427, EP 199 403, EP 241 985 and EP 241 984.
SUMMARY OF THE INVENTION
The present invention relates to inhibiting dye transfer compositions comprising.
DETAILED DESCRIPTION OF THE INVENTION
The compositions of the present invention comprise as essential elements polyamine N-oxide polymers (A) and a terephtalate-based polymer (B).
The polyamine N-oxide polymers contain units having the following structure formula: ##STR1## wherein P is a polymerisable unit, whereto the N--O group can be attached to or wherein the N--O group forms part of the polymerisable unit or a combination of both. ##STR2## x is or 0 or 1; R are aliphatic, ethoxylated aliphatics, aromatic, heterocyclic or alicyclic groups or any combination thereof whereto the nitrogen of the N--O group can be attached or wherein the nitrogen of the N--O group is part of these groups
The N--O group can be represented by the following general structures: ##STR3## wherein R1, R2, R3 are aliphatic groups, aromatic, heterocyclic or alicyclic groups or combinations thereof, x or/and y or/and z is 0 or 1 and wherein the nitrogen of the N--O group can be attached or wherein the nitrogen of the N--O group forms part of these groups.
The N--O group can be part of the polymerisable unit (P) or can be attached to the polymeric backbone or a combination of both.
Suitable polyamine N-oxides wherein the N--O group forms part of the polymerisable unit comprise polyamine N-oxides wherein R is selected from aliphatic, aromatic, alicyclic or heterocyclic groups.
One class of said polyamine N-oxides comprises the group of polyamine N-oxides wherein the nitrogen of the N--O group forms part of the R-group. Preferred polyamine N-oxides are those wherein R is a heterocyclic group such as pyrridine, pyrrole, imidazole, pyrrolidine, piperidine and derivatives thereof. Another class of said polyamine N-oxides comprises the group of polyamine N-oxides wherein the nitrogen of the N--O group is attached to the R-group.
Other suitable polyamine N-oxides are the polyamine oxides whereto the N--O group is attached to the polymerisable unit. Preferred class of these polyamine N-oxides are the polyamine N-oxides having the general formula (I) wherein R is an aromatic, heterocyclic or alicyclic groups wherein the nitrogen of the N--O functional group is part of said R group.
Examples o
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Fredj Abdennaceur
Johnston James P.
Labeque Regine
Thoen Christiaan A.
Allen George W.
Fries Kery A.
Lieberman Paul
The Procter & Gamble & Company
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