Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1995-10-11
1997-11-04
Skane, Christine
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510405, 510426, 510430, 510470, 510475, 510484, 134 40, 134 42, C11D 112, C11D 183, C11D 337
Patent
active
056839758
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to the cleaning of floors using aqueous surfactant solutions.
The processes typically used today for the cleaning and care of floors may largely be divided into three classes:
Processes intended mainly for the care and preservation of floors use compositions which produce more or less hard and resistant films after application to and distribution over the floor surface. 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 effectively tolerated depending on the quality of the film. The disadvantage of these compositions is that removal of the firmly adhering films, as necessitated for example by soiling or damage, is only possible under extreme conditions.
By contrast, processes intended to clean and restore the original surface use compositions with high contents of surfactants, 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 Related Art
In addition to these thorough cleaning processes, in which the old self-shine films are removed, there are surface cleaning processes which only remove loosely adhering soil without attacking the floor-care film. The compositions used in these maintenance cleaning processes are generally applied in dilute form only and, in their in-use concentration, contain only small quantities of surfactants and at most small quantities of alkali. Normally, they also contain low concentrations of floor-care substances so that they are also known as floor wiping compositions. After drying on the floor, the floor-care substances leave behind a thin additional film which, on the one hand, is able to smooth out any unevenness in the floor surface and which, because it is redissolved during the next treatment, contributes towards easier soil removal. Examples of such compositions can be found in German patent application 35 33 531 and in GB-PS 1,528,592.
In the development of floor wiping compositions, there is a greater need than in the development of other cleaning compositions optimally to solve several problems at the same time. On the one hand, floor wiping compositions should have high cleaning power and should be able to redissolve the floor-care films emanating from previous applications of the compositions without, at the same time, attacking any more or less permanent floor-care films present. In addition, floor wiping compositions should dry so uniformly after application that the surface appears uniform and does not show any residues in the form of streaks or drops. Depending on the choice of the floor-care substances, the compositions can leave behind satin-finish, self-shine or even polishable films. At all events, it is essential that the remaining floor-care film should not promote resoiling. Despite numerous proposals for the formulation of floor wiping compositions, a composition which optimally satisfies all the requirements mentioned above still remains remote. Accordingly, there is still a need to develop an overall more suitable composition.
DESCRIPTION OF THE INVENTION
The present invention provides a solution to this problem in the form of an aqueous composition which contain synthetic anionic surfactant and a floor-care substance from the group consisting of waxes, film-forming polymers, soap and mixtures thereof and which is characterized in that at least 20% by weight of the surfactants present in the composition, including the soaps, are present in the form of lithium salts. The percentage content of surfactants i
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Osberghaus Rainer
Rogmann Karl-Heinz
Skodell Birgit
Douyon Lorna M.
Grandmaison Real J.
Henkel Ecolab GmbH & Co OHG
Jaeschke Wayne C.
Skane Christine
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