| abstract |
The invention relates to a polyglycerol partial ester that can be obtained by esterifying a polyglycerol with a carboxylic acid mixture comprising: at least one polyhydroxycarboxylic acid of a hydroxycarboxylic acid having 8 to 32 carbon atoms, at least one short-chain dicarboxylic acid having 2 to 16, preferably 6 to 14, especially preferably 8 to 12, carbon atoms, at least one long-chain dicarboxylic acid having 24 to 44, preferably 30 to 40, especially preferably 34 to 38, carbon atoms, and at least one fatty acid selected from linear, unsaturated and branched, saturated fatty acids having 14 to 24 carbon atoms. The invention further relates to methods for producing polyglycerol partial esters and to the use of corresponding polyglycerol partial esters as W/O emulsifiers. |