| abstract |
Preparations of opacifying agents based on waxy bodies, characterized in that they contain a mixture of emulsifiers consisting of (a) at least one alkyl- and / or alkenyl oligoglycoside, (b) at least one partial glyceride of fatty acids and (c) at least one betaine of the formula (IV) ** (Formula) ** in which R8CO means an aliphatic acyl moiety with 6 to 22 carbon atoms and 0 or 1 to 3 double bonds, m means numbers from 1 to 3, R6 means hydrogen or alkyl moieties with 1 to 4 carbon atoms, R7 means alkyl moieties with 1 to 4 carbon atoms, n means numbers from 1 to 6 and X means an alkali metal and / or alkaline earth metal or ammonium, provided that the proportions by weight between (a) and (c) :( b) is between 6: 1 and 3: 1 and that the preparations are free of anionic surfactants. |