Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Specific organic component
Patent
1997-05-05
1999-01-19
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Specific organic component
510506, 510524, C11D 1835
Patent
active
058613714
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to compositions for the aftertreatment of washed laundry in the form of an aqueous preparation of stably dispersed or clearly solubilized fabric softener compounds and other auxiliaries for improving fabric hygiene and deodorizing properties.
2. Discussion of Related Art
Laundry aftertreatment compositions are mainly intended to provide washed laundry with a soft full feel and to avoid stiffness after drying. Quaternary ammonium compounds containing two or three long-chain alkyl, alkenyl or acyloxyethyl groups in the form of aqueous dispersions are normally used for this purpose. It is also known that compositions of the type in question can be provided with antimicrobial activity using water-soluble quaternary ammonium compounds containing two short alkyl groups and two medium-length alkyl groups, for example didecyl dimethyl ammonium chloride (cf. Soap & Chem. Spec., March 1969, 47-52, 86).
Unfortunately, this does involve serious stability problems. According to DE 25 03 026 A1, a mixture of quaternary ammonium salts and dialkyl imidazolinium salts is used as the fabric softener and fatty alcohols, lower alcohols and emulsifiers are used to stabilize the dispersions.
It has also been proposed to adjust fabric softeners to acidic pH values in order to neutralize alkaline detergent residues on the fabrics and to make them easier to wash out.
Finally, it is known that pine oil and other wood distillates and terpene-like components thereof have a deodorizing and slight germ-inhibiting effect.
The problem addressed by the present invention was to provide a laundry aftertreatment composition in the form of an aqueous preparation of known fabric softener compounds with improved fabric hygiene, deodorizing and acidifying properties without affecting its stability in storage or Theological properties by correspondingly designing the formulation.
It was found that stably dispersed or clearly solubilized preparations of water-insoluble and water-soluble quaternary ammonium compounds and optionally terpene compounds are obtained, even in the presence of acids, by suitably designing the formulation.
DESCRIPTION OF THE INVENTION
Accordingly, the present invention relates to a composition for the aftertreatment of washed laundry in the form of an aqueous preparation containing corresponding to formula I: ##STR1## in which R.sup.1 and R.sup.2 are alkyl groups containing 16 to 22 carbon atoms or groups with the formula R.sup.5 CO (XC.sub.n H.sub.2n).sub.a, where R.sup.5 CO is a linear acyl group containing 16 to 22 carbon atoms, X is oxygen or --NH--, n=2 or 3, a=1 to 4, R.sup.3 has the same meaning as R.sup.1 or R.sup.2 or is an alkyl group containing 1 to 4 carbon atoms and R.sup.4 is an alkyl group containing 1 to 4 carbon atoms or a hydroxyalkyl group containing 2 to 4 carbon atoms and A.sup.(-) is a halide or methoxysulfate anion, corresponding to formula II: ##STR2## in which R.sup.6 is an alkyl group containing 6 to 16 carbon atoms, R.sup.7 is an alkyl group containing 1 to 12 carbon atoms or a benzyl group, R.sup.8 and R.sup.9 are alkyl groups containing 1 to 4 carbon atoms or hydroxyalkyl groups containing 2 to 4 carbon atoms and A.sup.(-) is a halide or methoxysulfate anion, containing such compounds, carboxylic acid or hydroxycarboxylic acid containing 1 to 6 carbon atoms for adjusting the preparation to a pH value of 1.0 to 5.0 and with an HLB value of 12 to 19.
In the context of the invention, water-insoluble quaternary ammonium compounds (A) are understood to be quaternary ammonium compounds which do not form a clear solution in pure water at 20.degree. C in a concentration of 0.1% by weight.
Water-soluble quaternary ammonium compounds (B) are understood to be quaternary ammonium compounds which form a clear solution in pure water at 20.degree. C. in a concentration of 1% by weight.
The compositions according to the invention have a low consistency and are readily miscible with water. The preparations can be obtained as transp
REFERENCES:
patent: 3775316 (1973-11-01), Berg et al.
patent: 4040966 (1977-08-01), Steinhauer et al.
patent: 4308024 (1981-12-01), Wells
patent: 4789491 (1988-12-01), Chang et al.
patent: 4976885 (1990-12-01), Wisotzki et al.
patent: 5194472 (1993-03-01), Wilson et al.
patent: 5399272 (1995-03-01), Swartley et al.
patent: 5723435 (1998-03-01), Severns et al.
Merz Thomas
Voelkel Theodor
Wilsch-Irrgang Anneliese
Grandmaison Real J.
Hardee John R.
Henkel-Ecolab GmbH & Co. OHG
Jaeschke Wayne C.
Lieberman Paul
LandOfFree
Laundry aftertreatment compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Laundry aftertreatment compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laundry aftertreatment compositions will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1246650