| 摘要 |
The water-soluble metal soap compositions are provided comprising essentially a metal soap expressed by the general formula (RCOO)xM (Wherein M represents lithium or a non-alkali metal atom, x represents its valency and R represents a hydrocarbon radical having 4 to 20 carbon atoms) and a chelating agent such as polybasic carboxylic acids, polyaminocarboxylic acid salts, etc., the metal soap being contained therein in an amount in the range of 10 to 1/1000 part by weight based on one part of the chelating agent. The aqueous solutions of the metal soap compositions exhibit such a behavior as if they were a single surfactant, and also exhibit excellent surface active properties which are similar or superior to those of conventional surfactants. Further, addition of conventional surfactants to the compositions can notably enhance the performances of the chelating agent such as chelate effect and metal soap-solubilizing effect.
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