Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1996-04-15
1998-05-19
Lusignan, Michael
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510215, 510216, 510217, 510475, 510476, C11D 114, C11D 328
Patent
active
057536040
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an aqueous composition which may be used in diluted form for the cleaning and care of hard surfaces, more particularly floors.
Many new processes and compositions for the cleaning and care of floors have been developed in recent years and decades, not least because of the development of new materials for floor coverings. In practice, the choice of the composition is largely determined by whether the surface is to be primarily cleaned or primarily preserved. Thus, compositions which produce more or less hard and resistant films are mainly used for the care and preservation of surfaces. To this end, the compositions contain--generally in emulsified form--waxes or film--forming polymers and crosslinking agents, generally heavy metal salts, which together form self-shine or polishable films on the treated surfaces after drying. Long-lasting protection of the surfaces can be obtained in this way, severe mechanical stressing also being absorbed according to the quality of the film. However, the removal of such films, as necessitated for example by soiling or damage, is only possible under extreme conditions. By contrast, compositions which are mainly intended for cleaning have high surfactant contents, often together with alkaline substances, organic solvents or abrasives. In many cases, soil and old films can be thoroughly removed with such compositions although the surfaces thus cleaned are generally then exposed to resoiling without protection unless they are subsequently subjected to a preserving treatment.
2. Discussion of the Related Art
Since, in many cases, cleaning and care of the floor surface are desirable in equal measure, compositions with which cleaning and preservation are possible in a single operation have also been developed in addition to the compositions mentioned above. Examples of such compositions can be found, for example, in GB-PS 1,528,592, in German patent application 35 33 531 and in earlier hitherto unpublished German patent application P 43 06899. These compositions, which are also known as floor wiping compositions, contain sufficient quantities of surfactants, more particularly nonionic and anionic surfactants, in addition to alkali-soluble film-forming polymers so that the compositions may be used equally for care and cleaning. However, it is remarkable that, even when compositions of the type in question are repeatedly applied, no additional gloss is imparted to the floor. In many cases, however, high cleaning performance and a distinct buildup of gloss are required in particular for heavily stressed floors. At the same time, resoiling of the treated surfaces should remain minimal. Providing a composition which would combine all these properties was one of the problems addressed by the present invention.
DESCRIPTION OF THE INVENTION
The present invention relates to a water-containing floor cleaning composition in the form of a dispersion containing surfactant, film-forming polymer and plasticizer and optionally other typical constituents of floor wiping compositions, characterized in that it contains both a high molecular weight polymer, which is insoluble in water at a pH value of 12, and a low molecular weight polymer which is soluble in water at a pH value of 9.
The new composition has excellent cleaning power and provides the surface of the floor after drying with a very uniform distinct shine which increases in the event of repeated application. Nevertheless, the tendency of the floors thus cleaned towards resoiling is extremely slight. It is particularly remarkable that the glossy film is obtained without the use of heavy metal salts as a crosslinking component.
The new compositions are characterized by the simultaneous presence of two different polymers of which one has a high molecular weight and is insoluble, even in strong alkali, while the second polymer has a relatively low molecular weight and forms a clear solution in water even at a pH value of 9 or lower. Several chemically
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Poethkow Daniela
Soldanski Heinz-Dieter
Grandmaison Real J.
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
Lusignan Michael
Szoke Ernest G.
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