Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1996-10-30
1998-07-21
McGinty, Douglas J.
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
514277, 514278, 514279, 514418, 510473, 510462, 510344, 510474, 510511, 510508, 510357, 510351, 510352, 510475, 510397, 8137, C11D 3382, C11D 114, B08B 304
Patent
active
057835438
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to scatterable cleaning formulations for textiles.
2. Discussion of Related Art
In addition to shampoos, powder-form cleaners above all are used for cleaning certain textiles, such as carpets and upholstery, which generally are not accessible to washing and, accordingly, are cleaned in situ. These powder-form cleaners, which are also known as dry-cleaning compositions, consist of a solid which acts as an adsorbent and a volatile liquid which is incorporated in the adsorbent and of which the function is to partly dissolve the soil on the textile. For cleaning, these formulations are scattered onto the textiles and, after evaporation of the liquid, are removed from the textile together with the soil constituents, which have been deposited onto the adsorbent, either by brushing or by vacuum cleaning. Numerous substances have been proposed in the literature both as adsorbents and as liquids for these formulations. Thus, natural polymers, such as wood flour, starch and cork powder, inorganic materials, such as kieselguhr and bentonite, and various synthetic organic polymers in powder form have been proposed as adsorbents. Organic solvents, such as gasoline or chlorinated hydrocarbons, and aqueous surfactant solutions or water/alcohol mixtures have been mentioned as suitable cleaning liquids, cf. for example DE-OSS 38 42 152, 34 37 629 and 40 27 004, which describe the use of relatively large-surface synthetic polymer particles or short-fiber cellulose in conjunction with aqueous or non-aqueous cleaning liquids.
An adequate cleaning effect is only obtained with dry cleaning formulations when, after scattering on, they are worked into the carpet by manual or machine brushing so that they come into contact with all the soil-bearing fibers. Because of the forces applied, the brushing in of the cleaning powder imposes particular demands on the strength of the carpet fibers. In many cases, roughening of the surface and the loss of carpet fibers cannot be avoided. Fluff is formed and, in certain circumstances, even impedes working in of the powder itself because some of the loose fibers wrap themselves around the lower end of the brush so that the brushing-in process has to be interrupted.
Surprisingly, the problems mentioned above are avoided if relatively large porous and rollable particles are added to the carpet cleaning formulations based on powder-form adsorbents.
DESCRIPTION OF THE INVENTION
Accordingly, the present invention relates to a carpet cleaning formulation in the form of a scatterable composition which contains an aqueous cleaning liquid, a solid powder-form adsorbent and, in addition, rollable particles of porous material, the longest dimension of these particles being more than 1 mm and up to 50 mm and the dimensions in two other spatial directions, which are perpendicular to one another and to that length, being at least 10% of this maximum length. Particularly preferred carpet cleaning formulations are those in which the rollable particles consist of a deformable material, more particularly an absorbent sponge-like material.
The presence of rollable particles reduces the wear and tear on the carpet during working-in of the scatterable formulation without any significant reduction in cleaning performance. The formation of fluff is reduced. Loose fibers and similar material, for example hairs lying on the carpet, are rolled around the particles and, accordingly, can no longer lead to clogging of the brush and hence to interruption of the working-in process. In addition, odors emitted during the cleaning process can be effectively masked by the incorporation of suitable fragrances in the porous rollable particles. Since the carpet cleaning formulation, including the rollable particles, can be completely removed by vacuum cleaning after drying, only small amounts of perfume are left on the carpet after cleaning so that only a faint odor remains. Instead of this, the bag of the vacuum cleaner is being provided to an increa
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Ditze Alexander
Fleckenstein Theo
Hahn Thomas
Kresse Franz
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
McGinty Douglas J.
Szoke Ernest G.
Trzaska Steven J.
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