Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1995-04-13
1996-11-26
Harriman, Erin M.
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510405, 510536, C11D 172, C11D 1831
Patent
active
055785603
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to water-containing detergent mixtures comprising alkyl and/or alkenyl oligoglycosides, alkyl sulfates, alkyl ether sulfates and amphoteric or zwitterionic surfactants, to manual dishwashing detergents containing these mixtures and to the use of the mixtures for the production of surface-active preparations.
2. Discussion of Related Art
Alkyl oligoglycosides and, in particular, alkyl oligoglucosides are nonionic surfactants which, by virtue of their native raw material base (fatty alcohol and sugar), are acquiring increasing significance and are used, for example, in manual dishwashing detergents or cosmetic products [cf. Tens. Surf. Det. 28, 413 (1991)]. However, despite good performance results, there is still a need for detergent mixtures based on alkyl glucosides of which the performance level synergistically exceeds that of the individual components.
There has hitherto been no shortage of attempts to develop detergent mixtures based on alkyl oligoglucosides which have advantageous properties.
EP-B-0 070 074, EP-B-0 070 075, EP-B-0 070 076 and EP-B-0 070 077 (Procter & Gamble), for example, describe high-foaming combinations of alkyl oligoglucosides with anionic surfactants, such as soaps, alkylbenzene sulfonates, fatty alcohol sulfates, conventional fatty alcohol ether sulfates, .alpha.-olefin sulfonates and alkane sulfonates and, optionally, betaine surfactants.
DE-A1 35 34 082 describes skin-friendly dishwashing detergents containing a combination of anionic sulfate or sulfonate surfactants, alkyl oligoglucosides and fatty acid alkanolamides.
However, where these known detergent mixtures are used in surface-active preparations, reductions in performance and ecotoxicological compatibility have hitherto had to be accepted in some cases.
Accordingly, the problem addressed by the present invention was to develop detergent mixtures based on alkyl and/or alkenyl oligoglycosides having further improved properties.
DESCRIPTION OF THE INVENTION
The present invention relates to water-containing detergent mixtures comprising--based on the solids content--
It has surprisingly been found that the detergent mixtures according to the invention have a washing, dishwashing, foaming and cleaning power and a skin-cosmetic compatibility which exceed those of the individual components through synergistic enhancement. may be obtained by the relevant methods of preparative organic chemistry. EP-A1-0 301 298 and WO 90/3977 are cited as representative of the extensive literature available on the subject.
The alkyl and/or alkenyl oligoglycosides correspond to formula (I) containing 4 to 22 carbon atoms, [G] is a glycose unit containing 5 or 6 carbon atoms and p is a number of 1 to 10. ketoses containing 5 or 6 carbon atoms, preferably from glucose. Accordingly, the preferred alkyl and/or alkenyl oligoglycosides are alkyl and/or alkenyl oligoglucosides. (DP degree), i.e. the distribution of mono- and oligoglycosides, and is a number of 1 to 10. Whereas p in a given compound must always be an integer and, above all, may assume a value of 1 to 6, the value p for a certain alkyl oligoglycoside is an analytically determined calculated quantity which is generally a broken number. Alkyl and/or alkenyl oligoglycosides having an average degree of oligomerization p of 1.1 to 3.0 are preferably used. Alkyl and/or alkenyl oligoglycosides having a degree of oligomerization below 1.7 and, more particularly, between 1.2 and 1.4 are preferred from the performance point of view. containing 4 to 11 and preferably 8 to 10 carbon atoms. Typical examples are butanol, caproic alcohol, caprylic alcohol, capric alcohol and undecyl alcohol and technical mixtures thereof such as are obtained, for example, in the hydrogenation of technical fatty acid ethyl esters or in the hydrogenation of aldehydes from Roelen's oxo synthesis. Alkyl oligoglucosides having a chain length of C.sub.8 to C.sub.10 (DP=1 to 3), which are obtained as first runnings in the separation of technica
REFERENCES:
patent: 4668422 (1987-05-01), Malik et al.
patent: 5258142 (1993-11-01), Geisen et al.
Tenside Surf. Det. 28, 413 (1991) No month available.
J. Am. Oil. Chem. Soc. 68, 629 (1991) No month available.
Giesen Brigitte
Kreienfeld Guenter
Schmid Karl-Heinz
Syldath Andreas
Grandmaison Real J.
Harriman Erin M.
Henkel Corporation
Jaeschke Wayne C.
Ogden Necholus
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