| 摘要 |
Surfactants derived from citric acid having the general formula: <CHEM> wherein: R, R<1>, R<2> are equal or different from each other and are H, an alkaline metal, alkaline-earth metal or -NH4 cation, a cation of an organic ammonium base or a group having the formula: -An-R<3> (II) wherein: A is a C2-C4 oxyalkylene group, n is a number ranging from 1 to 20 and R<3> is a C8-C20 alkyl group, at least one of said R, R<1>, R<2> being an -An-R<3> group, and wherein the -OH group of the compound of formula (I) can be esterified or etherified. |
